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CASE REPORT
Year : 2011  |  Volume : 1  |  Issue : 6  |  Page : 333-337

Effect of posterior unilateral crossbite on condylar head height


1 Professor, Dept. of Orthodontics, Sree Balaji Dental College, Bharath University, Chennai, India
2 Associate Professor, Dept. of Orthodontics, Sree Balaji Dental College, Bharath University, Chennai, India
3 Reader, Dept. of Orthodontics, Sree Balaji Dental College, Bharath University, Chennai, India
4 Postgraduate Student, Dept. of Orthodontics, Sree Balaji Dental College, Bharath University, Chennai, India

Correspondence Address:
S Kishore Kumar
Professor, Dept. of Orthodontics, Sree Balaji Dental College, Bharath University, Chennai
India
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Source of Support: None, Conflict of Interest: None


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Posterior unilateral crossbite is a disturbance in malocclusion in transverse plane encountered clinically. Functional shift of mandible as a sequel to impaired masticatory muscle activity tends to affect relative vertical condylar head height. The purpose of this study was to find out if relationship exists between deviation of mandible to the crossbite side to vertical condylar head height using panoramic radiography and cone-beam computed tomography (CBCT) as a diagnostic tool. The mean of vertical condylar head height was 8.00 mm (SD + 0.816) compared to normoocclusive group 8.63 mm (SD + 0.479). This study shows relative decrease in vertical condylar head height in crossbite group compared to the normoocclusive group.


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