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:: Volume 3, Number 1 (9-2014) ::
3dj 2014, 3(1): 23-28 Back to browse issues page
The Associated Factors of Permanent First Molar Caries in 7-9 Years Old Children
Javaneh Vejdani , Leila Simaei
Assistant Professor Oro-Maxillofacial Develop mental Disease Research Center, Department of Pediatric Dentistry, Guilan University of Medical Sciences, Dental School, Rasht, Iran
Abstract:   (858 Views)

Introduction: Permanent first molar is the most important unit in the chewing system. Ear-ly loss of first molars can significantly reduce chewing efficiency, increase overbite, lead to premature eruption of the permanent second and third molars, and displacement of adjacent teeth. The purpose of this study was to determine the associated factors of permanent first molar caries in 7-9 years old children in Rasht, in 2014.
Materials and Methods: This cross-sectional comparative study was performed on 190 child-ren 7 to 9 years old. Examination was carried out by one examiner in the pediatric depart-ment, with disposable mirror and explorer and under the light of dental unit. A self-adminis-tered questionnaire was completed by parents before the examination, containing an informed consent, demographic data and information about tooth brushing and dietary habits. Data were statistically analyzed using independent t-test and chi-square tests.
Results: There was a significant relationship between the permanent first molar caries and dmft index (p = 0.001), mean plaque index (p = 0.001), consumption of between meal snacks three times a day (p = 0.046), using of sugar-containing drinks before bedtime (p = 0.048) and the age tooth brushing had started (p=0.027). There was no significant association between socio-demographic factors, frequency and method of tooth brushing and the perma-nent first molar caries.
Conclusion: High dmft and plaque index, con-sumption of between meal snacks and using sugary drinks before sleep increases the risk of permanent first molar caries.

Keywords: Dental Caries, Dental Plaque, DMF Index, Molar
Full-Text [PDF 549 kb]   (1621 Downloads)    
Type of Study: Original article | Subject: So on
Received: 2014/10/23 | Accepted: 2014/10/23 | Published: 2014/10/23
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DOI: 10.18869/acadpub.3dj.3.1.23


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Vejdani J, Simaei L. The Associated Factors of Permanent First Molar Caries in 7-9 Years Old Children. 3dj. 2014; 3 (1) :23-28
URL: http://3dj.gums.ac.ir/article-1-91-en.html
Volume 3, Number 1 (9-2014) Back to browse issues page
مجله دانشکده دندانپزشکی دانشگاه علوم پزشکی گیلان Journal of Dentomaxillofacial
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