Assessment The Relationship between Upper and Lower Anterior Teeth Segment and Gender Difference: A Sample of AL Muthanna University Students Aged 18-25 Years Old
Kerbala Journal of Medicine,
Volume 8, Issue 1, Pages 2152-2160
Abstractbackground: The assessment of the occlusal features of the anterior segment of thedental arch is considered of vital importance, especially for adult as it affects estheticsgreatly. With the increase in esthetic demands and dental awareness with the vital importance of the anterior teeth in esthetic, function and phonetics. The present study was directed to analyze anterior segment in subjects with class one occlusion. This study that dealt with adult subjects while the previous studies mostly analyzed children. Epidemiological studies are one of the most significant methods which provide adequate information and knowledge about the distribution and prevalence of the occlusal features. Direct metric measurements proved to be helpful and effective for this purpose.
Objectives: This study was designed to assess the relationship between upper and lower anterior teeth segment and gender difference and effect of this relationship on malocclusion.
Materials and methods: This study was conducted from 30 September 2012 to 1 may 2014 on (1771) students in University of Almuthanna ( College of medicine (255), College of Engineering (437) and College of Science (1079)) were clinically examined, only (300) of them were selected who fulfilled the required specifications, (150) students for each gender. Their age was ranging from 18 to 25 years, were studied with respect to relationship of upper and lower anterior segment , overjet, overbite, anterior crossbite ,crowding and spacing.
Results: The normal overjet were presented in (65.3%) students (64.4%) males and (66%) females, increased overjet were presented (24.3%) students (24%) males and (24.6%) females and decreased overjet were presented in (10.4%) students (11.4%) males and (9.4%) females). Normal overbite were presented in (53%) students (52%) males and (54%) females, increased overbite were presented (16.7%) students (16%) males and (17.4%) females, decreased overbite were presented in (30.3%) students (32%) males and (28.6%) females). The anterior crossbite were presented in (8.6%) students (8%) males and (9.3%) females) .Upper segment crowding were presented in (17%) students (18%) males and (16%) females), lower segment crowding were presented in (19%) students (19.4%) males and (18.6%) females). Upper segment spacing were presented in (16.4%) students (17.4%) males and (15.4%) females), lower segment spacing were presented in (11%) students (12%) males and (10%) females),
Conclusion: This study displays more crowding percentage in the lower segment and display more upper segment spacing for total( male and female students),there was no significant difference between males and females in overjet, overbite, anterior crossbite ,crowding and spacing.
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