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ACAR, ZEYNEP AHÜ

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Author: ACAR, YASEMİN BAHAR ×

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    Multidisciplinary treatment approach for correction of facialasymmetry: 3 cases
    (2019-11-05) ACAR, ZEYNEP AHÜ; ACAR, YASEMİN BAHAR; YILDIRIM, GAMZE; BÜYÜKAKÇA M., YILDIRIM G., ACAR Y. B., BİREN S., ACAR Z. A.
    AIM: Ideal treatment planning for the correction of severe skeletal malocclusion is orthodontics combined with orthognathic surgery. This poster aims to present multidisciplinary treatment of 3 cases with Class III malocclusion and mandibular deviation. MATERIAL-METHOD: Three female patients with the chief complaints of mandibular prominence and facial asymmetry were admitted to treatment in our clinic. Case 1, clinically had asymmetrical face, adequate lip closure, normal smile-line, concave profile; dental Class III relationship and posterior openbite on the right. Lateral cephalometric evaluation showed SNA:75°, SNB:79°, ANB:-4°, I-SN:104 °, IMPA:87 °, Witts:- 4.5mm and low angle vertical growth pattern. Postero-anterior cephalometric measurements revealed 1.0mm shifting of menton to left and 3° counterclockwise occlusal cant. Case 2 had asymmetric face, insufficient lip closure, low smile-line, convex profile; dental Class III relationship and circular openbite. Cephalometric values showed SNA:79°, SNB:77°, ANB:2°, I-SN:106°, IMPA:78°, Witts:-13mm and high angle vertical growth pattern. Menton point was shifted 10.6 mm to left and the occlusal cant was 2° counterclockwise. Case 3 had asymmetrical face, adequate lip closure, normal smile-line, flat profile; dental Class III relationship, crossbite on the left posterior and edge-to-edge bite at the anterior region. CephalometricvaluesshowedSNA:83°,SNB:81°,ANB:2°,I-SN:105°,IMPA:86°,Witts:-5.5mmandhigh angleverticalpattern. Menton pointwas 6.4 mm to left and occlusalcantwas 3° counterclockwise. Non-extraction orthodontic decompensation treatment was planned and patients underwent orthognatic surgery when model surgery displayed stable occlusion. The total duration of treatment was 25, 20 and 19 months, respectively. CONCLUSIONS: Class I molar and canine relationship, ideal overbite and overjet were achieved with the orthodontic and surgical treatment. Sagittal and transversal jaw relations were improved and facial symmetry was improved. As a result, patients were provided with good function and satisfactory aesthetics.