Abstract
Objective
Partial maxillectomy and postoperative radiotherapy are both risk factors associated
with trismus. This retrospective study aimed to evaluate the incidence and severity
of trismus in patients following partial maxillectomy with or without postoperative
radiotherapy and to compare free flap reconstruction and prosthetic obturation.
Methods
A retrospective review of 40 oral cancer patients who underwent partial maxillectomy
with or without postoperative radiotherapy was performed. Maximum interincisal distance
recorded at least 6 months after surgery was classified according to a revised subjective-objective
management-analytical (SOMA) scale and compared between the free flap reconstruction
group (n = 12) and the prosthetic obturation group (n = 28).
Results
Trismus was observed in 16/40 (40%) patients, and severe trismus was observed in 4/40
(10%) patients. Although no significant difference in trismus grade was observed between
the free flap reconstruction and prosthetic obturation groups, both severe trismus
and radiation-induced osteonecrosis were only seen in the prosthetic obturation group
with postoperative radiotherapy.
Conclusion
Free flap reconstruction was preferable to prosthetic obturation to avoid severe trismus
and radiation-induced osteonecrosis in patients who underwent both partial maxillectomy
and postoperative radiotherapy.
Keywords
Abbreviations:
MID (maximum interincisal distance), SOMA (subjective-objective management-analytical), BMI (body mass index)To read this article in full you will need to make a payment
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Article info
Publication history
Published online: June 07, 2022
Accepted:
May 31,
2022
Received:
April 18,
2022
Identification
Copyright
© 2022 Japanese Society of Otorhinolaryngology-Head and Neck Surgery, Inc. Published by Elsevier B.V. All rights reserved.
