A CEPHALOMETRIC EVALUATION OF CLASS II DIVISION 1 ORTHODONTIC PATIENTS TREATED WITH TWIN BLOCK APPLIANCE

Simranjeet Kaur, Varun Baslas

Abstract


Objective: To evaluate and compare the treatment changes with Twin block appliance in class II division 1 malocclusion patients.
Materials and methods: Twenty subjects with Class II division 1 malocclusion were chosen. The subjects were treated with Twin block appliance
(n = 20; mean age: 11.2yrs). Pre-functional and post-functional cephalograms were traced and subjected to analysis.
Results: Skeletal effects seen as increase in mandibular length were significant. Overjet correction with Twin block occurred mainly as a result of
mandibular repositioning and growth. Differential eruption of mandibular molars was observed. Changes in lip position improved the overall
profile.
Conclusions: Twin block is effective in correcting Class II malocclusion, however Twin block causes more skeletal changes than dentoalveolar.


Keywords


Twin Block, Class Ii Malocclusion, Removable Functional Appliance

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