Authors
- ‪Hossein Aghili 1
- M.H Toode Zaeim 1
- ‪Mahdjoube Goldani moghadam 2
- M.K. Jafari 3
- A. Hedayati Fard 3
- K. Guya 4
1 Associated professor, Department of Orthodontics, Faculty of Dentistry, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
2 Assistant professor, Department of Orthodontics, Faculty of Dentistry, Birjand University of Medical Sciences, Birjand, Iran
3 Dentist, Faculty of Dentistry, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
4 Undergraduate student of dentistry, Faculty of Dentistry, Shahid Sadoughi University of Medical
Abstract
Background and aim: The aim of this study was determining the prevalence of malocclusion amongst the male adolescents of Yazd province and comparing the results with that of other provinces of Iran.
Materials and methods: The sample of this epidemiologic study consisted of 1980 male students with age range of 14-17. The prevalence of class I, II, and III malocclusion according to the Angle’s classification was determined. Prevalence of Overbite, overjet, crowding and posterior crossbite was evaluated as well.
Results: The prevalence of class I, II, and III malocclusion was 50.7, 19.5, and 16.6 percent respectively and normal occlusion was observed in 13.2% of cases. 47 percent of cases had normal overbite. Increased, reduced and edge to edge overbite was seen in 24, 11.9, and 13.1 percent respectively, and 4% had anterior open bite. Overjet was positive in 74.4% and negative in 12.4% of individuals. Prevalence of crowding and posterior crossbite was 40.5% and 10.5% respectively.
Conclusion: Class I malocclusion was the most common occlusal relationship in all of investigations done in different geographic districts of Iran. Clinical significance: Determining malocclusion prevalence in each population is prerequisite of making macro policy in health care systems, this study provides information about prevalence of malocclusion in Yazd province and comparing it with that of other geographical districts of Iran.
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