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[Change of zygomatic and temporal soft tissue after coronal incision]
Xiang-Bin Bu1, Jun Zhang, Xue-Mei Wang
1Department of Oral and Maxillofacial Surgery, Affiliated Hospial, Binzhou Medical College, Binzhou 256603, China.
Objective:
To investigate the change of zygomatic and temporal soft tissue after coronal incision.
Methods:
A retrospective analysis was performed in 33 patients who received firm fixation for unilateral zygomatic comminuted fracture through semi-coronal incision. All the patients were followed up for more than one year. Craniofacial anthropometric measurement through 3D-CT reconstruction and facial profile was performed. The difference between the operated side and healthy side was analyzed.
Results:
At the temporal concave point, the soft tissue thickness at healthy side was (1.60 +/- 0. 97) mm more than that at operated side, showing a significant difference between them (P < 0.01). While the soft tissue thickness was not statistically different between two sides at zygion, malar prominence, zygomaxillare, and temporal convex point (P > 0.05).
Conclusions:
The soft tissue atrophy may happen at temporal fat pad after semi-coronal incision, but not at zygomatic area. Intraoperative precise dissection and less stretch of soft tissue may be helpful to avoid the postoperative facial asymmetry.
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