Summary
Purpose
The purpose of the present study was to develop a new type of osteotomy for advancement
genioplasty to decrease the incidence of neurosensory disturbance of the chin.
Patients and method
Forty-six patients who suffered from a slight or moderate degree of microgenia received
a sagittal curving osteotomy for advancement genioplasty. Patients were followed for
1–6 months to assess the neurosensory function of the chin region by evaluating light-touch
perception. The control group, 57 patients, who suffered from the same degree of microgenia,
received a horizontal sliding osteotomy. They were operated on by the same surgical
group and were followed for 1–33 months.
Results
All of the test and control patients were satisfied with the aesthetic results of
the surgery. In the test group, 47 sides (51.87%) of 92 total left and right sides
of chins had a transient neurosensory deficiency but none had permanent neurosensory
deficiency. In the control group, 98 sides (86.84%) of 114 total chin sides had a
transient neurosensory deficiency and five sides (4.43%) of 114 total chin sides had
permanent neurosensory deficiency.
When applied to patients who suffer from a mild or moderate degree of microgenia and
have normal bite function, the sagittal curving osteotomy is a simple, safe and effective
technique for advancement genioplasty. This technique can distinctively decrease the
incidence of neurosensory disturbance of the chin.
Keywords
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References
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Article info
Publication history
Published online: September 01, 2006
Accepted:
May 31,
2006
Received:
January 6,
2006
Identification
Copyright
© 2006 British Association of Plastic, Reconstructive and Aesthetic Surgeons. Published by Elsevier Inc. All rights reserved.
