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Abstract
Thirty-one patients who had genioplasty done alone or in combination with bilateral
sagittal split-ramus osteotomy of the mandible (BSSRO) were examined within 12 to
68 months after surgery. Neurosensory tests revealed that 10% of the mental nerves
in patients who had had isolated genioplasties showed altered sensation of the lower
lip, compared to 28.5% of the nerves in patients who had genioplasties and bilateral
sagittal split-ramus osteotomies. However, when questioned, 71% of the patients in
the latter group indicated awareness of abnormal feeling in the lower lip. Fourteen
teeth in isolated genioplasty cases gave an abnormal response to electric pulp testing.
The incision lines healed satisfactorily in most patients. Of the intraosseous wires
used for fixation, 5.38% were removed 3 to 10 months after surgery. A notch at the
osteotomy site on the lower border of the mandible was noted radiographically in 72.5%
of the sites. Chin ptosis was noted in one patient. The cosmetic results satisfied
93.6% of the patients.
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© 1988 Published by Elsevier Inc.
