Improved surgical treatment in hemimandibular hypertrophy

Aim of the study: A series of seven patients were treated for excess condyle and mandible growth on one side of the face. After a complete preoperative planning study, two different surgical techniques were used to obtain facial symmetry. The purpose of the study was to evaluate the results obtained with these two techniques.

Methods: All patients were diagnosed for hemimandibular hypertrophy. Congenital facial asymmetries or those caused by, tumor, or traumatic events were excluded from the study. The Ferguson technique was used as an alternative to the more conventional technique of direct osteotomy and remodelling of the lower edge of the mandible. In all cases the surgery used an intraoral approach.

Results: All patients in this series gained in facial symmetry and improved their aesthetic condition. The Ferguson technique also produces a more normal shape of the gonion angle and lower edge of the jawbone, especially in the early post-operative period.


  • 1.

    The practice of an extended sagittal ramus osteotomy using the Ferguson technique enables much safer management of the inferior alveolar nerve.

  • 2.

    The use of this technique seems to achieve a finer jaw line, especially in the early post-operative period, with minimal morbidity.

Conflict of interest: None declared.

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Jan 27, 2018 | Posted by in Oral and Maxillofacial Surgery | Comments Off on Improved surgical treatment in hemimandibular hypertrophy
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