Angle씨 제Ⅲ급 부정교합의 치험1예

A case report of Angle`s Cl III malocclusion

A 10 year& 11 month old girl patient who had Angle s Class Ⅲ malocclusion were treated by chin cap and fixed appliances. The treatment results obtained were as follows: 1. The anterior crossbite was corrected. 2. The functional overbite & overjet were established. 3. The favorable molar relationships were achieved. 4. The forward growth of the mandible was restrained. 5. The axial inclination of the upper & lower incisors were changed and the upper dental arch length was increased. 6. The facial profile was improved resulting from the good upper & lower jaw relations. 7. There was no harmful changes on the teeth & the periodontal tissues after treatment. 8. The good occlusal stability was showed after 1 year of retention.