Year : 2018

Volume : Volume 9

Issue : Issue 3s

Address for correspondence :
Dr. Sunil Kumar Mishra.
drsunilmishra19@gmail.com

Abstract

Background:  To evaluate antero-posterior position of condyle (APC) in TMJ   among skeletal Class I, Class II and class III subjects in age range of 18-25 years from Central India region. Material & Methods: The study comprised of 90 subjects, divided into three groups of 30 subjects each belongs to skeletal class I malocclusion (Group A), skeletal class II malocclusion (Group B) and skeletal class III malocclusion (Group C). Lateral cephalometric and CBCT of the patients were taken of right side of TMJ and anterior and posterior joint space was measured on it. Mean and Standard Deviation was noted and subjected to statistical tests. The comparison between the different group was done and Tukeys post hoc analysis was applied for inter group comparison.  Results: APC was slightly more in class II study subjects as compare to class I and III. It was 7.58±0.93 mm, 7.82±1.06 mm and 7.33±1.43 mm among skeletal class I, II and III patients respectively. There was statistically no significant difference found in APC between class I, II and III study subjects (p=0.266). Tukeys post hoc analysis showed no statistically much difference between the groups (p>0.05). Conclusion: Antero posterior condyle position was higher in Class II skeletal pattern followed by Class I and Class III skeletal pattern. The variation in APC in the healthy joints should be taken into consideration for a particular population to provide correct and successful treatments.

Keywords: Orthodontics, skeletal deformity, malocclusion.