Volume 11, Issue 2 (4-2022)                   3dj 2022, 11(2): 1-6 | Back to browse issues page

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Ostovarrad F, Javidi P, Tabari Khomeiran R, Asna ashari D, Mohammadi S, Mousavi azad Y. The relation between frontal sinus dimension and maxillary and mandibular prognathism/retrognathism among Iranian youth and adults. 3dj. 2022; 11 (2) :1-6
URL: http://3dj.gums.ac.ir/article-1-525-en.html
1- Assisant professor, Department of Oral and Maxillofacial Radiology, School of Dentistry, Guillan University of Medical Sciences, Rasht, Iran
2- Assisant professor, Department of Orthodontics, School of Dentistry, Guillan University of Medical Sciences, Rasht, Iran
3- Social Determinants of Health Research Center guilan universtiy, Guilan University of Medical Sciences, Rasht, Iran
4- Anzali International Branch, Guilan University of Medical Sciences, Rasht, Iran
5- Dentist
Abstract:   (108 Views)
Abstract
Introduction: Estimating the appropriate time for orthodontic treatment is a crucial factor. Given the earlier maturation of sinuses rather than maxillomandibular growth, finding the exact relationship between the growth of the jaws and frontal sinuses is considered to be a helpful element in Orthodontic treatment.
Materials and Methods: This is a descriptive-analytical study, conducted on 60 lateral cephalometric radiographs (18 male-42 female) to estimate the relation between frontal sinus dimension and prognathism/retrognathism of jaws.   The ANB-SNB-SNA angles and Wit’s analysis of the samples were divided into three- jaw I, II, and III classes, indicating the prognathism or retrognathism. The area of Frontal sinus was plotted on the tracing paper and transferred to the Auto CAD software.Independent samples t-test and Kruskal-Wallis test were used to compare the area of frontal sinus to the mandibular and maxillary position.
Results: The statistically difference between frontal sinus area and gender, between the mean area of the frontal sinus and maxillomandibular anterior-posterior orientation, was reported as p=0.294 and p=0.352/p=0.261, respectively.
Conclusion: There was no significant relation between the frontal sinus dimension and maxillary and mandibular prognathism/retrognathism. Consequently,  frontal sinus dimension cannot be used for estimating maxilla and mandibular growth.
 
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Type of Study: Original article | Subject: General
Received: 2022/04/1 | Accepted: 2022/04/10 | Published: 2022/08/2

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