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Year : 2017  |  Volume : 4  |  Issue : 1  |  Page : 1-4

Comparison of uvulo-glossopharyngeal dimensions between hypo- and hyper-divergent growth pattern of skeletal class II malocclusion in local population: A pilot study

Department of Orthodontics and Dentofacial Orthopedics, KSR Institute of Dental Science and Research, Tiruchengode, Tamil Nadu, India

Correspondence Address:
Zeba Khuddus Babu
Postgraduate Student, KSR Institute of Dental Science and Research, Tiruchengode, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jiadsr.jiadsr_15_17

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Aim: The aim of this study was to compare the uvuloglossopharyngeal dimensions between hypodivergent and hyperdivergent growth pattern of skeletal class II malocclusion. Materials and Methods: Lateral cephalograms of sixty skeletal class II malocclusion subjects were taken with SIRONA cephalostat. The cephalograms were divided into two groups as hypodivergent and hyperdivergent growth pattern with SN to Go-Gn plane for determining the various growth pattern. It was further subdivided into two groups and under each group (consisting of 15 male, 15 female subjects). Witt's appraisal and beta analysis was used to analyse the skeletal pattern. The airway space was divided as superior, middle and inferior airway space measuring from posterior pharyngeal wall. Statistical analysis used was done using SPSS software. Independent student t' test was used to compare the variables. The results obtained showed statistically significant dimensions of airway space in hyperdivergent females compared to hyperdivergent males. Hypodivergent females and males showed no significant changes in airway dimensions. Conclusion: Females of hyperdivergent growth pattern in skeletal class II malocclusion showed wider pharyngeal airway space than males.

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