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Nigerian Journal of Clinical Practice

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Interdisciplinary orthognathic treatment of high angle class III malocclusion

F Ulkur, VO Uyar, F Ozdemir, MZ Guzel

Abstract


For Class III adult patients, combined treatment strategy must be followed which includes either further dentoalveolar compensation or orthognathic surgery following decompensation of the teeth. This case report presents the interdisciplinary approach of a skeletal Class III malocclusion with increased vertical facial dimension, occlusal cant, extracted posterior teeth on the right upper and left lower segments, extensive restorations, and total circular crossbite. The orthodontic alignment took 10 months. LeFort 1 osteotomy with 7 mm advancement, 5 mm impaction on the left side, 3 mm impaction on the right side and 2 mm rotation for midline correction toward the left side, 3 mm set.back of mandible with bilateral sagittal split osteotomy were done. The surgery simulation, postoperative and 2 year follow up records were compatible. The treatment was finalized in a straight profile with stable occlusion and good smile characteristics without airway disturbance.

Key words: Interdisciplinary treatment, orthognathic surgery, skeletal Class III




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