|
KMID : 1036320180400010036
|
|
Maxillofacial Plastic and Reconstructive Surgery
2018 Volume.40 No. 1 p.36 ~ p.36
|
|
|
The effect of botulinum toxin-A injection into the masseter muscles on prevention of plate fracture and post-operative relapse in patients receiving orthognathic surgery
|
|
Shin Sung-Ho
Kang Yei-Jin
Kim Seong-Gon
|
|
|
Abstract
|
|
|
Background: Botulinum toxin-A (BTX-A) injection into muscle reduces muscular power and may prevent post-operative complication after orthognathic surgery. The purpose of this study was (1) to evaluate BTX-A injection into the masseter muscle on the prevention of plate fracture and (2) to compare post-operative relapse between the BTX-A injection group and the no injection group.
Methods: Sixteen patients were included in this study. Eight patients received BTX-A injection bilaterally, and eight patients served as control. All patients received bilateral sagittal split ramus osteotomy for the mandibular setback and additional surgery, such as LeFort I osteotomy or genioplasty. Post-operative plate fracture was recorded. SNB angle, mandibular plane angle, and gonial angle were used for post-operative relapse.
Results: Total number of fractured plates in patients was 2 out of 16 plates in the BTX-A injection group and that was 8 out of 16 plates in the no treatment group (P?=?0.031). However, there were no significant differences in post-operative changes in SNB angle, mandibular plane angle, and gonial angle between groups (P?>?0.05).
Conclusions: BTX-A injection into the masseter muscle could reduce the incidence of plate fracture.
|
|
|
KEYWORD
|
|
|
Botulinum toxins, Type A, Fracture fixation, Internal, Osteotomy, Sagittal split ramus, Postoperative complications
|
|
|
FullTexts / Linksout information
|
|
|
|
|
Listed journal information
|
|
 
|