Abstract
Elongation of the upper lip, in particular the philtrum, and nose widening are common
postoperative changes after a Le Fort I osteotomy. These changes can be induced by
the transection of soft tissue and loosening of the underlying musculature. A methodology
for soft tissue redraping was developed to limit these undesirable nasolabial changes.
This study evaluates the effectiveness of the technique and influence of maxillary
translocation on the nasolabial form. Anthropometric measurements, lip, philtrum length,
and nose width, were taken two weeks prior to, and one year after, surgery. The mean
postoperative changes were minimised to less than 1mm except for lip length in the
extrusion groups, which was less than 1.5mm. Statistical analysis showed a stable
result for lip length after maxillary advancement and/or intrusion as limited lengthening
mainly occurred at the vermilion. Conversely, lip lengthening after extrusion mainly
occurred at the philtrum. The mean nose width was maintained after maxillary advancement,
decreased after extrusion, and increased after intrusion. The type of maxillary translocation
only influenced the nasolabial soft tissue in case of intrusion and extrusion, not
after advancement.
Keywords
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Article info
Publication history
Published online: December 14, 2022
Accepted:
November 30,
2022
Received in revised form:
November 7,
2022
Received:
July 12,
2022
Identification
Copyright
© 2023 The British Association of Oral and Maxillofacial Surgeons. Published by Elsevier Ltd. All rights reserved.
