2010•Inner Mongolia Medical JournalRequires access

Clinical Study on Orthognathic Surgery For Mandibular Prognathism

Dong Da-zhen

Abstract

Objective:To Summarize our experience in orthognathic surgery for Correction of mandibular prognathism.Methods: 6 cases with mandibular prognathism underwent surgery treatment to move the mandibles back.5cases underwent bilateral modified sagittal split ramus osteotomy(SSRO),1case underwent bilateral modified sagittal split ramus osteotomy(SSRO) and maxillary advancement lefort Ⅰ osteotomy.Results: with routinely follow-up ranging from 1 year to 5 years,6 cases acquired satisfied effect,gained coordinate maxillomandibular relation,1case mandibular prognathism slightly recurred.Conclusion: The clinical effect of bilateral modified sagittal split ramus osteotomy(SSRO) Combined with Pre-and post surgical orthodontic treatment for mandibular prognathism is successful,It is greatly improved the face type and dental articulation of all the patients,the masticatory function is also improved.

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Key concepts: Medicine, Mandibular prognathism, Orthognathic surgery, Prognathism, Osteotomy, Sagittal plane, Masticatory force, Mandible (arthropod mouthpart)