Abstract：
:The objective of this study was to propose a treatment protocol for patients with lateral prognathism based on the unilateral sagittal split ramus osteotomy (USSRO). This was a prospective study involving 31 patients with lateral prognathism, who required a bilateral sagittal split ramus osteotomy (BSSRO). Two groups were formed using the proposed protocol, with specific inclusion criteria for each group: BSSRO (n=17) and USSRO (n=14). Occlusal parameters (dental midline deviation, overbite, and overjet) were measured preoperatively (T0), at model surgery (T1), 1 month postoperative (T2), and 1year after surgery (T3) and compared. P-values of <0.05 were considered significant. No significant difference was found between the USSRO and BSSRO groups for all occlusal parameters (T0, T1, T2, and T3). In both groups, there was a significant difference between T0 and T1 and no significant difference between T1 and T2 or T1 and T3 in all of the occlusal parameters; the exception was overbite between T1 and T2 in the BSSRO group, which showed a significant difference. No patient in either group showed signs or symptoms of temporomandibular joint dysfunction at T0 or T3. USSRO was found to be a stable alternative in patients with asymmetric mandibular prognathism. At the same time, it reduced the operating time and morbidity when compared to BSSRO.
journal_name
Int J Oral Maxillofac Surgjournal_title
International journal of oral and maxillofacial surgeryauthors
Fariña R,Mebus C,Mayer C,Torrealba R,Moreno Edoi
10.1016/j.ijom.2017.11.010subject
Has Abstractpub_date
2018-05-01 00:00:00pages
630-637issue
5eissn
0901-5027issn
1399-0020pii
S0901-5027(17)31684-3journal_volume
47pub_type
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journal_title：International journal of oral and maxillofacial surgery
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