@article{ author = {Khosropanah, Hengameh and Lashkarizadeh, Nazila and Mohammadzadeh, Saman and MohMosallanezhad, Mohammadrez}, title = {Is Utilizing a Glucometer in the Dental Office Effective in Improving Diabetic Patients’ Oral Health?}, abstract ={Introdouction: Periodontal treatment could have a positive effect on diabetes control . In this study, the researchers evaluated the efficacy of utilizing glucometer devices to detect glycemic levels in dental offices on inducing motivation towards the oral health care of diabetic patients. Materials and methods: Eighty volunteer patients with moderate periodontitis were selected for participation in one of the two groups (40 diabetic patients and 40 non-diabetics) the two groups were unified based on age and sex. Each participant’s baseline blood glucose level with 2 hours post-prandial test (2 hpp) and periodontal parameters of CAL, PI, and BI were measured, and the two groups underwent non-surgical periodontal treatment accompanied by comprehensive oral hygiene instructions. Then, 2 hpp was measured using a glucometer after 1 week and 1 month. All periodontal parameters were evaluated again 1 month after non-surgical treatment. Results: The pattern of changes in 2 hpp mean values over time was not similar for the two groups. In the diabetic patients, the mean of 2 hpp values after 1 week (T1) and 1 month (T2) significantly decreased when compared with that at baseline (T0) (both p < 0.001). Moreover, the mean of 2 hpp values at T2 was significantly lower than that of T1 (p < 0.001). All periodontal parameters significantly decreased at T2 compared to T0 in both groups, but the difference between two time points was significantly higher only for CAL in the diabetic group compared to the non-diabetic group (p = 0.022). Conclusion:The use of a glucometer, as a proactive behavior to increase motivation, was not as effective as oral hygiene instructions on plaque control improvement in diabetic patients with chronic periodontitis.}, Keywords = {Blood Glucose,analysis,Diabetes Mellitus,Oral Health}, volume = {4}, Number = {1}, pages = {1-8}, publisher = {}, doi = {10.18869/acadpub.3dj.4.1.1}, url = {http://3dj.gums.ac.ir/article-1-158-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-158-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {HeidaryPostkan, Rasoul and KahyaieAghdam, Mina and Momen, Ali}, title = {Risk Factors and Early Survival Rate of Biomet 3i Dental Implants. A Retrospective Study}, abstract ={Introdouction: Although highly desirable outcomes and longterm survival of dental implant treatments are well documented, implant failures still occur due to various reasons. Several risk factors may impair implant survival including implant dimensions (length, diameter, and implant design), procedures, local bone density at the implant site, and patient-related risk factors such as age, smoking, and history of periodontal disease, diabetes mellitus, and osteoporosis. Implant failures are classified as early (failure to establish osseointegration) and late (failure to maintain osseointegration) failures. This retrospective study evaluated the survival rates and the associated risk factors of dental implants. Materials and methods: A retrospective cohort of 969 Biomet 3i dental implants from two private practices between 2008 and 2011 were evaluated. The implants were evaluated based on the following parameters: age and sex, smoking, and diameter and surface characteristics of implants. All the dental implants were from a single manufacturer, Biomet 3i (West Palm Beach, FL, USA) with two surface modifications including dual acid-etched with calcium phosphate nanoparticles (Nano- Tite) or acid-etched (OSSEOTITE). Results: Overall success and failure rates of Biomet 3i implants were 97.11% (n = 941) and 2.88% (n = 28), respectively. Among the risk factors, smoking significantly correlated with the increased failure rate of implants (p = 0.041). No significant relationship was observed between other risk factors and the survival rate of dental implants. Conclusion: The overall survival rate of Biomet 3i dental implants was considerably high. Smoking is a major risk factor that is positively correlated to the failure rate of dental implants. More prospective clinical trials are required to evaluate the exact effect of other risk factors on the implants.}, Keywords = {Osseointegration,Dental Implants ,Risk Factors}, volume = {4}, Number = {1}, pages = {9-14}, publisher = {}, doi = {10.18869/acadpub.3dj.4.1.9}, url = {http://3dj.gums.ac.ir/article-1-159-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-159-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {MomeniDanaei, Shahla and Zarifnajafi, Hooman and NabavizadeRafsanjani, Ali and Fakhri, Farnaz and Bahramnia, Fatemeh and Sardarian, Ahmadreza and Nili, Mahs}, title = {Evaluating the Perspective of Students at Shiraz School of Dentistry Regarding Standards of Professional Ethics and Patients’ Rights}, abstract ={Introdouction:  During the past few decades, dental educators have addressed the need for ethics training and have examined various teaching methods. At present, the formulation of comprehensive ethical standards and emphasis on education of its principals have been the subject of debate within the medical profession. Learning elements are available as established educational curriculum. However, students also learn from their experiences in clinical settings. This study aims to evaluate the perspective of dental students regarding professional ethics. Materials and methods: A total of 81 (42 males, 39 females), dental students at Shiraz School of Dentistry were randomly selected. They were given provided two validated and reliable questionnaires regarding the students’ perspectives towards the standards of professional ethics and adherence of faculty members to the ethical principles. The data were analyzed using the t-test and one-way ANOVA. Results: The average grades for males and females in the first questionnaire were 2.25 ± 0.34 and 2.04 ± 0.29, respectively. The average grade in the second questionnaire was 2.50 ± 0.48 for males and 2.47 ± 0.49 for females. In the first questionnaire, the 6th year, 5th year, and 4th year students obtained an average grade of 2.10 ± 0.30, 2.12 ± 0.40, and 2.53 ± 0.46, respectively, and the average grades in the second questionnaire were 2.44 ± 0.49, 2.45 ± 0.52, and 2.43 ± 0.46, respectively. Conclusion: Males had a better perspective regarding professional ethics compared with females. However, regarding the adherence of faculty members to ethical principles, there was no significant difference between the two sexes. None of the variables of age, year of study, and marital status had a significant effect on the students’ perspective of professional ethics.}, Keywords = {Ethics, Professional, Patient Rights, Students, Dental}, volume = {4}, Number = {1}, pages = {15-18}, publisher = {}, doi = {10.18869/acadpub.3dj.4.1.15}, url = {http://3dj.gums.ac.ir/article-1-160-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-160-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Lavaee, Fatemeh and Ranjbar, Zahra and Pakari, Mohse}, title = {Knowledge of Dentists about Tuberclosis in Shiraz, 2014}, abstract ={Introduction: Tuberculosis (TB) is an infectious and contagious disease caused by mycobacterium tuberculosis. Dentists are susceptible to TB. Thus,the aim of this study is to evaluate the knowledge and attitudes of dentists regarding TB. Materials and methods: This cross-sectional and descriptive-analytic study evaluated the knowledge of 120 dentists regarding TB. Using a questionnaire the queries were divided into three categories: 1) general aspects of TB, 2) treatment of TB, and 3) drug interactions and dental management of patients with TB. The relation existing among different categories of the questionnaire and the relation between dentists’ gender and their TB knowledge about were evaluated using the Mann–Whitney test. Results: A positive correlation between the dentist’s knowledge about treatment and drug interaction domains and their age and experience was demonstrated, although general aspects and total score were not affected by aging. There was no significant difference between the knowledge about general aspects of TB and its treatment and drug interactions; however, a significant difference was found between dental management and the knowledge about general aspects of TB (p = 0.040). Conclusion: This study concluded that the dentists’ knowledge about TB is poor. Hence, promoting this knowledge among these professionals is necessary.}, Keywords = {Tuberculosis, Knowledge, Infectious Disease}, volume = {4}, Number = {1}, pages = {19-24}, publisher = {}, doi = {10.18869/acadpub.3dj.4.1.19}, url = {http://3dj.gums.ac.ir/article-1-161-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-161-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Bashardoust, Nazanin and Modabbernia, Shirin and Bagheri, Sara and Shiva, Atena and Jalali, Rez}, title = {Immunohistochemical analysis of Ki-67 expression in oral lichen planus lesions}, abstract ={Introdouction: Lichen planus is a chronic, relatively common, dermal mucosa disease. The World Health Organization (WHO) has introduced lichen planus as a premalignant condition. Ki-67 is a protein that can be detected in all active phases of the cell cycle, especially in the G2 and M phases. Considering the major role of Ki-67 in the regulation of the cell cycle and the fact that it is one of the conditions for pre-malignant potential and epithelial proliferation, the aim of this study was to evaluate Ki-67 expression in oral lichen planus (OLP) lesions. Materials and methods: This study included 32 patients [16 with OLP and 16 with no OLP and a normal epithelium, which were considered the control group (CG)]. Demographic data was extracted from each patient’s file and documented in an information form. Immunohistochemistry for Ki-67 was conducted using the EnVision method. P value was significant at <0.05. Results: Ki-67 staining quality in the OLP group was significantly greater than the CG group according to both the Mann–Whitney test and quantity (p = 0.001). The average percentage of positive cells in the OLP group was 13.11, while the average in the CG group was 2.26. Ki-67 staining in OLPs was 87.5% (++) and 62% with a strong degree of staining. Age and gender differences were compared using the independent t-test no significant statistical differences were noted between the two groups. Conclusion: Considering Ki-67 is a proliferation marker, the increased expression of Ki-67 in the OLP group’s epithelium indicates a high proliferation rate in lichen planus lesions.}, Keywords = {Lichen Planus, Oral , Ki-67 Antigen, Cell Cycle}, volume = {4}, Number = {1}, pages = {25-30}, publisher = {}, doi = {10.18869/acadpub.3dj.4.1.25}, url = {http://3dj.gums.ac.ir/article-1-162-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-162-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Tabatabaei, Seyed Hosin and AkhavanTafti, Mahmood and TavakouliHossini, Ali and Khajehzadeh, Fatemeh and Keshavarz, Samaneh}, title = {Evaluation of Clinical, Demographic, Pathological, and Molecular Factors with Survival Rate of Patients with Oral Squamous cell Carcinoma in Yazd city During 1998–2008}, abstract ={Introdouction: Squamous cell carcinoma is the most common oral cancer and the prognosis because of a late diagnosis remains poor despite numerous treatments. Therefore, we conducted a cross-sectional study to investigate the relationships between survival rate(SR) of oral squamous cell carcinoma (OSCC) and clinical,demographic, pathological, and molecular factors in Yazd city during 1998– 2008. Materials and methods: Data related to 30 Yazdian patients with OSCC who were referred to Shahid Sadoughi Dental School and Hospital during 1998–2008 were evaluated according to census data. Clinical and histopathological data were gathered via phone calls, and archived specimens were immunohistochemically stained to examine the cell proliferation index (Ki-67), the anti-apoptotic index (bcl2), and a tumor suppressor indicator(p53). The data were analyzed using SPSS statistical software (V.17) via a Kaplan–Meier analysis, and p <0.05 was considered significant. Results: Eighteen cases (60%) were females and 12(40%) were males. The mean 5-year SR was lower in men than women and in patients >50 years of age than <50 years, the mean SR from lowest to highest were record to labial, lingual and intraoral involvement respectively and for smokers and patients with a moderate disease grade(II) and intense p53 staining tended to be lower than other categories however, the differences were not significant. The overall 5-year SR of patients was 55% in this study, and the mean survival was 6.6 years. Conclusion: The SR was lower in older men and smokers Therefore, a more radical treatment and longer follow-upafter treatment for older male smokers are recommended.}, Keywords = {Carcinoma ,Squamous Cell ,Mouth Mucosa ,Tumor Suppressor Protein p53,Survival Rate}, volume = {4}, Number = {1}, pages = {31-38}, publisher = {}, doi = {10.18869/acadpub.3dj.4.1.31}, url = {http://3dj.gums.ac.ir/article-1-163-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-163-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Dehghani, Mahdieh and Ghanea, Sahar and Tabrizizadeh, Mehdi and Hajizadeh, Sahar}, title = {Influence of the Quality of Root Canal Treatment and Crown Restoration on the Prevalence of Apical Periodontitis}, abstract ={Introdouction: The high prevalence of apical periodontitis (AP) of endodontic origin raises an important public health problem. Root canal treatment (RCT) and crown restoration (CR) have an effect on its prevalence. This cross-sectional study was performed to assess the effect of RCT and CR on the prevalence of AP. Materials and methods: Two observers assessed 608 teeth with RCT belonging to patients who were referred to the radiology ward of the dental school at the Shahid Sadoughi University of Medical Sciences, Yazd, Iran, in 2011–2012 in the form of 152 panoramic radiographs. The quality of RCT, including length/ density of root restoration, and crown restoration and the prevalence of AP were recorded from patients’ medical files. Data were analyzed by chi-square test, one-way ANOVA, and logistic regression model using SPSS (ver. 19). Results: The frequency of AP in teeth with RCT was 50.5%. Appropriate CR and RCT was observed in 348 (57.2%) and 168 (30.6%) of teeth, respectively. Furthermore, 36.8% of teeth with appropriate and 68.8% with inappropriate crown restoration showed AP, and the difference was significant (p < 0.001). Prevalence of AP was significantly lower in teeth with acceptable RCT than in those with unacceptable RCT (p < 0.001). Teeth with unacceptable RCT/CR showed AP 6 times more frequently than teeth with acceptable RCT/CR. Conclusion: The findings showed that a considerable number of teeth in Yazd had RCT/CR with unacceptable results and that the quality of both RCT and CR may affect the prevalence of AP. Therefore, considerable efforts are required to improve endodontic and restorative treatment standards.}, Keywords = {Root Canal Therapy,Tooth Crown ,Periapical Periodontitis ,Radiology}, volume = {4}, Number = {2}, pages = {1-7}, publisher = {}, doi = {10.18869/acadpub.3dj.4.2.1}, url = {http://3dj.gums.ac.ir/article-1-165-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-165-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Tabatabaei, Seyed Hosein and AkhavanTafti, Mahmood and Yaghoobi, Bahareh}, title = {Prevalence of Head and Neck Sarcomas in the Main Health Centers in Yazd from 1994 to 2014}, abstract ={Introduction: Head and neck sarcomas involve a group of rare malignant diseases with a high histological variability involving various anatomical sites that can lead to under-reporting of the true incidence of these neoplasms. This study aimed to epidemiologically investigate the occurrence of sarcomas of the head and neck within the past 20 years in Yazd, Iran (1994– 2014). Materials and methods: In this descriptive, cross-sectional and retrospective study, 16114 patient’s records with malignant tumors were examined via the census method, which were available in the archives of 8 main treatment centers in Yazd, Iran within a 20-year period. Age, sex, occupation, habitat, type of sarcoma, tumor location and grade, metastasis, recurrence, and history of head and neck irradiation were recorded. Data were analyzed in SPSS software version 17. Results: Among 586 cases of sarcomas, 59 cases (10.06%) were identified with head and neck sarcomas. The mean age of the patients was 32.22 ± 8.31 years, of which 26 (44.01%) patients were males and 33 (55.9%) were females. Soft tissue sarcomas were noted in 41 cases (69.5%) rhabdomyosarcoma was the most common (27.1%). Eighteen (30.5%) patients had hard tissue sarcomas osteosarcoma (15.3%) was the most common. Soft tissues of the head and neck were the most (49.20%) involved sites. Most sarcomas were low grade. In 5 patients (8.5%), metastases occurred to the head and neck, and the tumor relapsed in 16 patients (27.1%). Conclusion: The findings of the current study were inagreement with those of other reports referred to in different studies. This suggests that the epidemiology of head and neck sarcomas in Yazd, Iran is similar to other geographical regions.}, Keywords = {Head and Neck Neoplasms ,Sarcoma ,Yazd}, volume = {4}, Number = {2}, pages = {8-14}, publisher = {}, doi = {10.18869/acadpub.3dj.4.2.8}, url = {http://3dj.gums.ac.ir/article-1-166-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-166-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Qaranizade, Kamal and Lasemi, Eshagh and MahaseniAghdam, Hamidreza and Malihi, Farshi}, title = {Evaluation of Changing Serum Blood Glucose Levels after Local Anesthetic Injection during Tooth Extraction}, abstract ={Introdouction: Injection of local anesthesia during dental procedures can induce metabolic changes. The purpose of this study was to evaluate the changes in the serum blood glucose levels after the injection of lidocaine with a vasoconstrictor during tooth extraction. Materials and methods: In this clinical trial study, we enrolled 60 patients. We extracted mandibular teeth by using inferior alveolar nerve block. We took a finger blood sample test from each enrolled patient immediately before and 10 min after local anesthesia administration. The anesthetic solution (1.8 mL carpule) contained lidocaine and 1:80,000 epinephrine. It was injected through the inferior alveolar nerve after negative aspiration. Only one carpule was injected into each patient. This study is approved by the ethics committee of the research center of Azad University of Medical Sciences. Results: The mean age of the patients in our study was 39.54 ± 15 years. Thirty-five patients were male, and 25 were female. The serum blood glucose level was 111.6 ± 25.47 mg/dL before local anesthesia and 115.3 ± 24.39 mg/dL after tooth extraction (P = 0.418). Eleven female patients and four male patients had a reduction in the blood glucose levels after injection. There was a significant difference between these groups (P = 0.01). Conclusion: According to our findings and previous reports, using local anesthesia during tooth extraction does not induce hypoglycemia and could increase the serum blood glucose level in individuals.}, Keywords = {Anesthesia ,Local ,Epinephrine ,Glucose ,Lidocaine ,Tooth Extraction}, volume = {4}, Number = {2}, pages = {15-19}, publisher = {}, doi = {10.18869/acadpub.3dj.4.2.15}, url = {http://3dj.gums.ac.ir/article-1-167-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-167-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {MomeniDanaei, Shahla and Zarifnajafi, Hooman and NabavizadeRafsanjani, Ali and Fakhri, Farnaz and Bahramnia, Fatemeh and Sardarian, Ahmadreza and Nili, Mahs}, title = {Evaluating the relationship between Orthodontic Treatment need and Oral Health-Related Quality of life Among students aged 15-18 year in Shiraz}, abstract ={Introdouction: The major demand for orthodontic treatment is associated with esthetic complaints rather than with the severity of occlusal irregularities. This study evaluated the relationship between orthodontic treatment need based on index of complexity, outcome, and need (ICON) and orthodontic- specific quality of life (QOL) among high school students in Shiraz. Materials and methods: Based on the correlation between ICON and QOL score (r = 0.254) with α = 0.05 and an estimated power of 80%, 118 high school students (49 girls and 69 boys) aged 15-18 years were selected for this analytical cross-sectional study. The students were randomly selected. The need for orthodontic treatment was determined according to ICON and was compared with QOL, which was assessed using Cunningham’s questionnaire. Data analysis was performed by SPSS-21 using Spearman’s correlation coefficient and Mann-Whitney tests. (p<0.05) Results: Analysis based on Spearman’s correlation coefficient, showed no significant association between QOL score and ICON (r=0.95, p=0.282), Mann-Whitney test did not show a significant difference between boys and girls. QOL score was considerably higher in boys (median = 18.50, mean ± SD = 14.82 ± 18.5) compared with girls (median = 9.00, mean ± SD = 14.3 ± 15.02) (p = 0.58). Conclusion: No significant difference among boys and girls in relation to orthodontic treatment need was observed, although girls had a significantly lower QOL score than boys. Correlation between orthodontic treatment need and its impact on QOL was also not significant. Therefore, dental esthetics has a greater impact on social acceptance and self-concept among girls.}, Keywords = {Index of Orthodontic Treatment Need,Quality of Life,Students}, volume = {4}, Number = {2}, pages = {20-23}, publisher = {}, doi = {10.18869/acadpub.3dj.4.2.20}, url = {http://3dj.gums.ac.ir/article-1-168-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-168-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {AshuriMoghaddam, Anahita and Kakaei, Narges and JavadiAghdam, Mahs}, title = {Assessment of Dentists’ knowledge of Peri-Implant Inflammatory Diseases and Their Related Treatment in Rasht}, abstract ={Introdouction: Implants are considered to be a useful treatment for the replacement of lost teeth. Although the success rate and durability of implants are high, the prevalence of peri-implantitis is high as well. The purpose of this study was to analyze the knowledge of general practitioners in the city of Rasht in Northern Iran regarding peri-implantitis and its treatment. Materials and methods: This descriptive, cross-sectional research was conducted among general practitioners working in the city of Rasht. They were asked to fill out a questionnaire, which included two parts of personal information and their knowledge about the peri-implantitis disease. Results: Of 100 general practitioners who filled out the questionnaires, between 23-88 % answered correctly with a mean of 54.1%. The knowledge of 6% of dentists was poor, 74% average, and 20% good. There was no meaningful connection between age, sex, and job experience of the dentists and their knowledge of peri-implantitis diseases. Conclusion: The rate of dentists’ knowledge in the city of Rasht regarding peri-implantitis diseases and their knowledge of treatment were average. Thus, continuous training sessions and workshops regarding peri-implantitis diseases are suggested for their improvement.}, Keywords = {Peri-implantitis disease ,Peri-implantitis ,Peri-implant mucositis ,Dentist knowledge}, volume = {4}, Number = {2}, pages = {24-29}, publisher = {}, doi = {10.18869/acadpub.3dj.4.2.24}, url = {http://3dj.gums.ac.ir/article-1-169-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-169-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {AtarbashiMoghadam, Saede and Mohsenifar, Zhale and Lotfi, Ali and Abasi, Lale and Bagheri, Seyedeh Sar}, title = {Fascin Expression in Oral Squamous Cell Carcinoma using an Immunohistochemical Technique}, abstract ={Introdouction: Oral squamous cell carcinoma (OSCC), the most common form of oral cancer, requires early diagnosis and suitable treatments. Fascin is a protein involved in cell adhesion and is increased in expression in certain types of carcinomas. The present study was conducted to assess fascin expression in OSCC using an immunohistochemical technique. Materials and methods: In the present retrospective study, 25 paraffin blocks of OSCC samples were selected and immunohistochemically stained for detection of fascin expression. Fascin expression rate was calculated as the sum of stained cells (scores from 0 to 4) and staining intensity (scores from 0 to 3). Results: Samples collected from 18 men and 7 women, with a mean age of 57.42 years, were assessed, which showed that the most usually affected sites were the gingiva and the tongue. Fascin expression was positive for all the samples and had the highest possible score (24 cases with score 7 and 1 case with score 6). Fascin expression level was not found to have a significant relationship with age, gender, and tumor location (P > 0.05). The data were analyzed using SPSS statistical software (18) via chi-square analysis, independent T test and One way Anova p <0.05 was considered significant. Conclusion: Irrespective of the clinical parameters, fascin expression is possibly involved in the etiology of OSCC target therapy medicines can therefore be used in the future to treat this malignancy.}, Keywords = {Fascin,Mouth Neoplasms,Carcinoma, Squamous Cell ,Immunohistochemistry}, volume = {4}, Number = {2}, pages = {30-34}, publisher = {}, doi = {10.18869/acadpub.3dj.4.2.30}, url = {http://3dj.gums.ac.ir/article-1-170-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-170-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Khodadadi, Effat and GhAhmadiZenouz, Ghazaleh and Pachenari, Narges and Khafri, Soray}, title = {Comparative Evaluation of Surface Hardness of Different Resin-Modified Glass Ionomers and a Compomer}, abstract ={Introdouction: Due to the practical problems and time restriction issues in treating dental problems in children, there is a noticeable demand for the application of a convenient handling restorative material with acceptable physical-mechanical properties. The aim of this investigation was to evaluate Vickers microhardness of four tooth-colored restorative materials as a determining mechanical property in pediatric dental care. Materials and methods: In this in vitro study, 20 samples were established for each Fuji II LC, Ionoseal, Ionolux, and Ionosit restorative dental materials by a single operator using polyvinyl chloride cubical molds (4 × 4 mm side length and 2 mm height). After polymerization by using a halogen visible-light polymerization unit, they were stored in artificial saliva at 37°C for 24 hours and then wet finished with a sequence of silicon carbide grit papers. Fuji II LC was used as the reference material for the resin-modified glass ionomer cements. Vickers hardness of all samples was assessed. The recorded data were analyzed by the Kruskal–Wallis test followed by the Mann–Whitney U test at the P < 0.05 significance level. Results:Besides the statistical difference between the four groups, the mean values of surface microhardness of Fuji II LC and Ionoseal were significantly higher than the powder-liquid Ionolux. The hardness value of compomer and Ionoseal was different but the difference was not statistically significant. Conclusion: On the basis of the importance of microhardness property in the clinical success of a restorative material, the extensively investigated microhardness value of the Ionoseal material in addition to its ease of handling and benefits of time saving may account for its consideration as a reliable restorative material in the dental care for children.}, Keywords = {Child ,Dental Care ,Glass Ionomer ,Compomer ,Ionoseal}, volume = {4}, Number = {3}, pages = {1-9}, publisher = {}, doi = {10.18869/acadpub.3dj.4.3.1}, url = {http://3dj.gums.ac.ir/article-1-179-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-179-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Mosavat, Farzaneh and Ahmadi, Ahur}, title = {Pneumatized Articular Tubercle and Pneumatized Roof of Glenoid Fossa on Cone Beam Computed Tomography: Prevalence and Characteristics in Selected Iranian Population}, abstract ={Introdouction: Mastoid pneumatization is often complete by the age of 5-years and may involve the temporo mandibular joint (TMJ) region, including the pneumatized articular tubercle (PAT) and pneumatized roof of the glenoid fossa (PRGF). To prevent surgical complications, the diagnosis of these air cells is important. The aim of this study was to determine the prevalence and characteristics of PAT and PRGF in the Iranian population. Materials and methods: In this cross-sectional study, convenience sampling was used to select participants. CBCT radiographs of 239 patients were evaluated retrospectively. Prevalence, location, age, and gender of patients with PAT and PRGF were determined. SPSS 18.0 was used for statistical analysis. Results: Of the 239 patients, 51 (21.3%) presented with PAT and 14 (5.9%) with PRGF. The mean age of the PAT patients was 47.92 ± 14.39 years. Unilateral PAT and PRGF were found in 35 (68.6%) and 8 (57.1%) patients, respectively. PAT prevalence was 51% in females and 49% in males. Conclusion: Surgeons planning TMJ intervention should evaluate radiographic imaging preoperatively to prevent intraoperative complications.}, Keywords = {Cone-Beam Computed Tomography ,Glenoid Cavity Zygoma}, volume = {4}, Number = {3}, pages = {10-14}, publisher = {}, doi = {10.18869/acadpub.3dj.4.3.10}, url = {http://3dj.gums.ac.ir/article-1-180-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-180-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Esmaeili, Behnaz and Ahmadizenouz, Ghazaleh and KhazaeiPoul, Faezeh and Samani, Yasaman and Gholinia, Hemmat}, title = {Effects of Carbamide Peroxide Bleaching Gel on Color of Silorane- and Methacrylate-based Resin Composites}, abstract ={Introdouction: Bleaching has become a common treatment for improving the appearance of natural teeth. However, the need to protect dental restorations from bleaching agent exposure is inevitable, as these agents may change the color of restorative materials by oxidation. Filtek P90 composite resin has recently been introduced with the aim of decreasing polymerization shrinkage. The purpose of this study was to compare the color changes of silorane- and methacrylate-based resin composites after exposure to various carbamideperoxide regimens. Materials and methods: Sixty-four disk-shaped specimens (10 × 2 mm) of a microhybrid composite, Z250, and a siloranebased composite, P90, were prepared and divided into four subgroups (n = 8). An unbleached group was used as a control, while the remaining specimens in the three subgroups were bleached with 10%, 16%, and 22% carbamide peroxide for 14 days. The color was measured with a spectrophotometer using Commission International de I’Eclairage L*, a*, and b* color scale. The data were analyzed using ANOVA, the t-test, and Tukey’s HSD test. Results: Color differences between bleaching and baseline values (;DeltaE) were <3.3 for all the groups. Z250 and P90 resin composites showed color changes after bleaching with 10%, 16%, and 22% carbamide peroxide, but the changes were insignificant (Z250: p = 0.323, P90: p = 0.136). Conclusion: The color changes were not clinically evident in the sample groups. For both the Z250 and P90 specimens, no statistically significant differences in color were noted.}, Keywords = {Composite Resins ,Methacrylates ,Silorane Resins ,carbamide peroxide ,Color}, volume = {4}, Number = {3}, pages = {15-22}, publisher = {}, doi = {10.18869/acadpub.3dj.4.3.15}, url = {http://3dj.gums.ac.ir/article-1-181-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-181-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Mokhtar, Ali and Bronoosh, Pegah and Haghnegahdar, Abdolaziz}, title = {Pathologic Conditions Associated with Impacted Mandibular Third molar Angulation in an Iranian Population}, abstract ={Introdouction: The aim of this study was to determine the associations between commonly found pathologic conditions and angulation of the lower third molar teeth. Materials and methods: In this retrospective study, 370 panoramic radiographs consisting of 724 lower third molars were evaluated for any pathologies according to their angulation(mesioangular, distoangular, vertical, or horizontal). The data were analyzed using chi-squared tests, and a P value of P;le0.05 was considered significant Results: In total,83.6% of the cases had at least one complication. It was ascertained that mesioangular and vertical impactions had higher risks for pericoronitis and caries development on second molar, while horizontal and distoangular impactions had lower risks. There was a significant relationship between the frequency of third molar impaction and the type of angulation. Conclusion: Mesioangular and vertical impactions, especially those with class A impaction depth, were found to be associated with a higher risk of pathologic conditions. To decide whether to extract or follow up on an impacted third molar, the angulation and impaction depth should be taken into consideration.}, Keywords = {Molar ,Third ,Radiography ,Panoramic ,Pathology ,Mandible}, volume = {4}, Number = {3}, pages = {23-27}, publisher = {}, doi = {10.18869/acadpub.3dj.4.3.23}, url = {http://3dj.gums.ac.ir/article-1-182-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-182-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {AtashBizYeganeh, Leil}, title = {Mandibular Second Premolar with Three Roots: A Case Report}, abstract ={Human mandibular premolars have earned the reputation for having an extremely complex root and root canal morphology. The incidence of multiple roots and canals in mandibular second premolars is lower than those in mandibular first premolars. Mandibular second premolars with three root canals and separate foramina are very rare. In this case report, endodontic management of a three-rooted mandibular second premolar is discussed.}, Keywords = {Mandible ,Bicuspid ,Root}, volume = {4}, Number = {3}, pages = {28-31}, publisher = {}, doi = {10.18869/acadpub.3dj.4.3.28}, url = {http://3dj.gums.ac.ir/article-1-183-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-183-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {MosaviKhoonsari, Elnaz and ghamari, Maryam}, title = {Mandibular First Molar with Five Canals: A Report of Three Cases}, abstract ={The main objective of endodontic therapy is the thorough mechanical and chemical cleansing of the entire root canal system and its complete obturation with an inert filling material. Failure to find and fill a canal contributes toward the failure of endodontic therapy .The root canal anatomy of mandibular first molars is complex. Studies of the morphologic structure of root canal systems have demonstrated the complexity, numbers, and distributions of canals in mandibular first molars. Approximately 2.75% of mandibular first molars have been found in five canals. Although the presence of middle mesial canals in mandibular molars is rare, but finding them is essential for a successful root canal treatment. In this study, we present three mandibular first molars with three canals in the mesial root.}, Keywords = {Molar ,Root Canal Therapy ,Morphology}, volume = {4}, Number = {3}, pages = {32-35}, publisher = {}, doi = {10.18869/acadpub.3dj.4.3.32}, url = {http://3dj.gums.ac.ir/article-1-184-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-184-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Banan, Rahmatollah and Dalili, Zahra and KhalighiSigaroudi, Ali and Sedaghati, Mohammad Jav}, title = {Evaluation of Anatomical Variations of Paranasal Sinuses in Cone-beam Computed Tomography (CBCT) of Patients with Chronic Rhinosinusitis in Comparing with Normal Individuals}, abstract ={Introdouction: An exact knowledge of the anatomical variations of the paranasal sinuses (PNS) is critical for surgeons performing endoscopic sinus surgery and for radiologists involved in making preoperative evaluations. An important aspect is the determination of correlation between the anatomical variations of PNS and the presence of chronic rhinosinusitis (CR). Cone-beam computed tomography (CBCT) has a very important role in evaluating the maxillofacial structures. The purpose of this pilot study was to evaluate the anatomical variations of PNS in patients with CR as compared with normal individuals. Materials and methods: This cross-sectional study evaluated the CBCT scans of 57 patients with CR and 28 patients without CR. Anatomical variations observed in the multiplanar images were investigated. Data were processed using SPSS software. Fisher’s exact test was used for comparing the incidence of different anatomical variations in the control (normal) and CR (experimental) groups Results:The most frequent anatomical variation was septal deviation in 85.7% of normal individuals and 93% of patients with CR. No statistically significant difference existed between the prevalence of anatomical variations in both groups. In contrast, middle concha bullosa was more prevalent in normal individuals than in patients with CR. Conclusion:Anatomical variations occurring in the PNS alone can not lead to CR. It may be accompanied by systemic, local, and environmental factors that could increase the susceptibility of the patient to this disease.}, Keywords = {Sinusitis, Paranasal Sinuses, Cone-Bea- Computed Tomography}, volume = {4}, Number = {4}, pages = {1-6}, publisher = {}, doi = {10.18869/acadpub.3dj.4.4.1}, url = {http://3dj.gums.ac.ir/article-1-196-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-196-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Tabatabaei, Seyed Hosein and Maddah, Aboulfazl and Haerian, Ahmad and AkhavanTafti, Mahmoud and DaneshArdekani, Mohammad and Zarmehi, Sedighe}, title = {Epidemiology of Squamous Cell Carcinoma in Yazd, Iran, from 2001 to 2011}, abstract ={Introduction:Cancer is the second cause of death in the world and the third primary cause in Iran. In this study, we examined the epidemiology of oral squamous cell carcinoma (OSCC) as the most common malignancy of the oral cavity and its related factors in Yazd Province, Iran, from 2001 to 2011. Materials and methods: This descriptive study evaluated the medical records of patients with OSCC in the chief hospital in the city of Yazd. Data were extracted based on the demographic and primary etiologic, clinical, and pathological characteristics. Data were analyzed with t-test and chi-square test at a significance level of α <0.05. Results: OSCC consisted of 54% of the malignancies of the head and neck region, which are most common in the sixth decade of life with a male-tofemale ratio of 1.4:1. The average patients’ age was 62.81 years. The average annual incidence of OSCC in Yazd indigenous population during the study period was 1.02 out of 100,000 individuals. Overall, 49.3% of patients used tobacco or snuff, and the number of females exposed to these factors was significantly less than that of males (P =0.001). The most common microscopic diagnosis was squamous cell carcinoma (SCC) (76%), followed by verrucous carcinoma (21.1%); 55.8% of patients had well-differentiated SCC, and 42.6% exhibited moderately differentiated SCC. The tongue was the most common site of involvement (41.1%), and the most common clinical feature was exophytic lesions (51.4%). Conclusion: The general epidemiological pattern of OSCC in this study was similar to other studies. In older patients (seventh and eighth decades) and females (particularly in cases of tongue), etiologic factors other than tobacco may play more prominent roles.}, Keywords = {Carcinoma, Squamous Cell, Mouth Neoplasms, Prevalence}, volume = {4}, Number = {4}, pages = {7-15}, publisher = {}, doi = {10.18869/acadpub.3dj.4.4.7}, url = {http://3dj.gums.ac.ir/article-1-197-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-197-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Mohtavipour, Seyedeh Tahereh and Sadeghi, Shiva and Mohtavipour, Seyedeh Saeedeh and JavadzadehHaghighat, Aliehsadat and Rezvani, Maryam and MamoudKhalesi, Bahar}, title = {Accuracy of an Intraoral Digital System for File Length Measurement}, abstract ={Introdouction: Canal length measurement is essential for proper endodontic treatment. Any error or miscalculation in working length determination, particularly in curved canals, can result in complications during or after root canal therapy. Digital radiography has enabled accurate measurement of curved canal length. In this study, we evaluated the accuracy of calibration of a complementary metal oxide semiconductor (CMOS) digital system for file length measurement. Materials and methods: In this in vitro study, 45extracted molar teeth were divided into three groups of 15 with respect to the angle and radius of canal curvature. A 5-mm piece of orthodontic wire was placed on the lateral surface of the roots. Digital radiographs were taken after insertion of the endodontic file by the CMOS digital system. Two observers measured the file length with and without using the calibration tool of digital measurement software. The correlation between observers was evaluated and data were analyzed using the paired t-test with 95% confidence interval. Results: The overall agreement between the observers was satisfactory. There was no significant difference between the mean values of calibrated measurement and true file length with respect to canal curvature (P>0.05). However, there was a significant difference between the mean values of uncalibrated measurement and true file length with respect to canal curvature (P<0.05). Conclusion: The calibrated measurement of file length was more accurate than the uncalibrated file length measurement.}, Keywords = {Digital Dental Radiography, Root Canal Therapy, Calibration.}, volume = {4}, Number = {4}, pages = {16-19}, publisher = {}, doi = {10.18869/acadpub.3dj.4.4.16}, url = {http://3dj.gums.ac.ir/article-1-198-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-198-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Salehi, Parisa and Shahidi, Shoaleh and Majdi, Betina and Omidi, Mahsa and Rezapoorgavareshki, Sepideh and Hamedani, Shahram}, title = {Evaluation of the Relationship between Airway Volumes and Vertical Facial Growth Patterns in Adult Patients}, abstract ={Introdouction: This study investigated the potential relationship between vertical facial growth patterns and airway volumes in a sample of Iranian adult patients. Materials and methods: This cross sectional study was conducted on 72 adult patients (44 females, 28 males), ages 18– 45 years, who had been referred to the Department of Oral and Maxillofacial Radiology at the Shiraz University of Medical Science. The vertical growth pattern was assessed by a lateral cephalometric radiograph using two indices: morphological facial index (defined as the ratio of N-Mn and Zy-Zy distance) and Jarabak index (defined as the ratio of S-Go and N-Gn). The sizes of the superior and inferior airway compartments were measured by employing cone beam computed tomography. Data were analyzed on SPSS 21 using the Shapiro–Wilk test, p-p plot test, one-way ANOVA, t-test, and chi square tests (P < 0.05). Results: The total airway volume for all individuals was 21.72 ± 6.69 mm. There were no statistically significant differences between subjects with long, medium, or short faces regarding lower (p= 0.160) or upper (p = 0.183) airway sizes. The gender of the participants did not have a significant relationship with the lower, upper, or total airway sizes. Conclusion: Based on the findings of the current study, we found that the cone beam computed tomography data did not indicate any correlation between airway volume and vertical facial growth pattern.}, Keywords = {Tidal Volume, Cone Beam Computed Tomography}, volume = {4}, Number = {4}, pages = {20-30}, publisher = {}, doi = {10.18869/acadpub.3dj.4.4.20}, url = {http://3dj.gums.ac.ir/article-1-199-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-199-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {Mohtavipour, Seyedeh Tahereh and JavadzadehHaghighat, Alieh Sadat and Mohtavipour, Seyedeh Saeideh and DaliliKajan, Zahra and Shahsavari, Fatemeh and Alimohammadi, Habibeh}, title = {Efficacy of Pseudocolor Tool of Digital System in the Detection of Proximal Caries}, abstract ={Introduction: Various intraoral digital radiographic systems are available as an alternative to film-based radiography. Recent rapid progress in the field of digital radiography offers the possibility of image processing and manipulation. Pseudocolor filter is one of the tools of digital systems. The aim of this study was to compare diagnostic accuracy of proximal caries in black and white and colorized images. Materials and methods: In this in vitro study, forty extracted premolar were selected and mounted in acrylic blocks. The teeth were radiographed with complementary metal-oxide semiconductor (CMOS) digital sensor. Two observers evaluated the images with and without application of the pseudocolor tool. The teeth were sectioned for histological determination of the lesion. The diagnostic accuracy of each method was assessed by means of ROC analysis. Results: There were no significant differences between the black and white and colored mode of images (P = 0.973). There were no significant differences between observers. Conclusion: Color mode of digital images can be used for proximal caries detection.}, Keywords = {Dental Caries, Diagnosis, Digital Dental Radiography}, volume = {4}, Number = {4}, pages = {31-35}, publisher = {}, doi = {10.18869/acadpub.3dj.4.4.31}, url = {http://3dj.gums.ac.ir/article-1-200-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-200-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} } @article{ author = {AtarbashiMoghadam, Fazele and AtarbashiMoghadam, Saede and Bagheri, Sara and Ahmadi, Loghm}, title = {Reactive Hyperplastic Lesion of Endodontic Origin Mimicking Pregnancy Tumor: A Case Report}, abstract ={ Gingiva is a common region of inflammatory and reactive lesions. Systemic conditions, including hormonal imbalance in pregnant women, may cause exaggerated response to irritations such as calculus or infection. Therefore, more accurate assessment is necessary to achieve the best decision making in the differential diagnosis and treatment of these patients. In this paper, we present a reactive hyperplastic lesion of endodontic origin (parulis) on the gingiva in a pregnant woman, which mimicking pregnancy tumor.}, Keywords = {Gingival Hyperplasia, Pyogenic Granuloma, Pulpitis}, volume = {4}, Number = {4}, pages = {36-38}, publisher = {}, doi = {10.18869/acadpub.3dj.4.4.36}, url = {http://3dj.gums.ac.ir/article-1-201-en.html}, eprint = {http://3dj.gums.ac.ir/article-1-201-en.pdf}, journal = {Journal of Dentomaxillofacial}, issn = {}, eissn = {}, year = {2015} }