A Case of Acromegaly Using Sagittal Splitting Osteotomy of the Mandibular Ramus and Partial Tongue Excision.

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We report a case of acromegaly using sagittal splitting osteotomy of the mandibular ramus for progenia, partial tongue excision for macroglossia and osteointegrated implants for missing teeth resulting from occlusal failure after a traffic accident.<BR>A 28-year-old male had progenia and macroglossia after treatment for elevated serum growth hormone levels. In the operation we performed, the mandible was moved back 18mm, 18cm<SUP>3</SUP> of the tongue was removed by excision. Intraoral examination revealed the over jet had improved from -13mm to 4mm and the over bite from 6mm to 3mm. The ANB difference went from -12.5° to-3.5°. However the tongue maintained contacted with the corner of the mouth at rest, but contractility was good. Osteointegrated implants were used to improve the occlusal condition, resulting recovery of mastication function. At 23 months postsurgery, the patient shows stable results, significantly improved occlusion, and a stable growth hormone level.
特定非営利活動法人日本顎変形症学会の論文