Biomechanical evaluation of hybrid fixation method of sagittal split ramus osteotomy in mandibular advancement

Autor: Hasan Onur Şimşek, Burcu Gursoytrak, Nurdan Unsal, Haci Saglam, Umut Demetoglu, Dogan Dolanmaz
Přispěvatelé: DOLANMAZ, DOĞAN
Rok vydání: 2018
Předmět:
Dental Stress Analysis
Bone Screws
Osteotomy
Sagittal Split Ramus
In Vitro Techniques
Hard tissue
Locking plate
03 medical and health sciences
Fixation (surgical)
0302 clinical medicine
Sagittal Split Ramus Osteotomy
Animals
Medicine
Sheep
Domestic
Orthodontics
business.industry
030206 dentistry
official publication of the European Association for Cranio-Maxillo-Facial Surgery
cilt.46
ss.2063-2068
2018 [Gursoytrak B.
Unsal N.
Demetoglu U.
Simsek H.
Saglam H.
Dolanmaz D.
-Biomechanical evaluation of hybrid fixation method of sagittal split ramus osteotomy in mandibular advancement.-
Journal of cranio-maxillo-facial surgery]
Fixation method
Jaw Fixation Techniques
Intermaxillary fixation
Biomechanical Phenomena
Otorhinolaryngology
030220 oncology & carcinogenesis
Surgery
Oral Surgery
business
Bone Plates
Mandibular Advancement
Zdroj: Journal of Cranio-Maxillofacial Surgery. 46:2063-2068
ISSN: 1010-5182
DOI: 10.1016/j.jcms.2018.05.005
Popis: Purpose In this study, eight different fixation methods applied after sagittal split ramus osteotomy (SSRO) were compared experimentally. Materials and methods SSRO was performed to 48 sheep hemimandibles in eight groups of 6 each. Group A- a four hole standard miniplate; Group B- a four hole standard miniplate and one bicortical screw; Group C-a four hole locking plate; Group D-a four hole locking plate and one bicortical screw; Group E-a six hole straight miniplate; Group F-a six hole straight miniplate and one bicortical screw; Group G- a sliding plate, which was specifically designed for SSRO; Group H- sliding plate and one bicortical screw. Results In terms of measured values of displacement, the highest degrees of displacement were observed in decreasing order in Groups G, C, A, and E. The least displacement values were detected in Groups H, F, D and B with values being very close to each other. For linear force applied up to 70N, 3 mm or higher displacement values were not seen in any fixation system. Conclusion According to the results of study, all systems are suitable for clinic usage. However, intermaxillary fixation or functional elastics may be needed for sliding plate systems during the healing period of hard tissue.
Databáze: OpenAIRE
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