Abstract:
:This study aimed to evaluate the postoperative changes in masticatory function in patients with jaw deformities with or without asymmetry treated by orthognathic surgery. Thirty female patients who underwent a Le Fort I osteotomy with sagittal split ramus osteotomy (SSRO) were enrolled. The patients were divided into symmetry and asymmetry groups. The bite force, occlusal contact area, and bite force balance were measured before and at 1, 3, and 6 months and 1 year after surgery; these measurements were compared statistically within and between the two groups. In the symmetry group, there was a significant difference in the preoperative bite force and the 1 month postoperative bite force (P=0.0033). In the asymmetry group, the bite force before surgery was significantly different from that at 1 month (P=0.0375) and at 1 year (P=0.0353) after surgery. Significant differences in the bite force were also observed between the following time points: 1 month and 1 year (P=0.0003), 3 months and 1 year (P=0.0034), and 1 month and 6 months (P=0.0486). The occlusal contact area, bite force, and occlusal balance tended to change after Le Fort I osteotomy with SSRO, with a significantly improved bite force in patients with asymmetry before surgery.
journal_name
Int J Oral Maxillofac Surgjournal_title
International journal of oral and maxillofacial surgeryauthors
Moroi A,Ishihara Y,Sotobori M,Iguchi R,Kosaka A,Ikawa H,Yoshizawa K,Marukawa K,Ueki Kdoi
10.1016/j.ijom.2015.03.015subject
Has Abstractpub_date
2015-08-01 00:00:00pages
971-6issue
8eissn
0901-5027issn
1399-0020pii
S0901-5027(15)00127-7journal_volume
44pub_type
杂志文章abstract::The lateral vastus muscle flap has the potential to become one of the most appropriate free flaps for reconstructive surgery in the oral maxillofacial area in selected cases. The flap is relatively easy to harvest and gives rise to little donor site morbidity. The quality of the large diameter vessels allows for relat...
journal_title:International journal of oral and maxillofacial surgery
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journal_title:International journal of oral and maxillofacial surgery
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journal_title:International journal of oral and maxillofacial surgery
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journal_title:International journal of oral and maxillofacial surgery
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journal_title:International journal of oral and maxillofacial surgery
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doi:10.1016/j.ijom.2013.09.008
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journal_title:International journal of oral and maxillofacial surgery
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