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Mechanical evaluation of six techniques for stable fixation of the sagittal split osteotomy after counterclockwise mandibular advancement.
De Oliveira, Leandro Benetti; Reis, Jose Mauricio Nunes; Spin-Neto, Rubens; Gabrielli, Marisa Aparecida Cabrini; Oguz, Yener; Pereira-Filho, Valfrido Antonio.
Afiliação
  • De Oliveira LB; Dental School at Araraquara, Oral and Maxillofacial Surgery Division, São Paulo State University - UNESP, Araraquara, São Paulo, Brazil.
  • Reis JM; Dental School at Araraquara, Department of Prosthodontics, São Paulo State University - UNESP, Araraquara, São Paulo, Brazil.
  • Spin-Neto R; Section of Oral Radiology, Department of Dentistry, Faculty of Health, Aarhus University, Denmark.
  • Gabrielli MA; Dental School at Araraquara, Oral and Maxillofacial Surgery Division, São Paulo State University - UNESP, Araraquara, São Paulo, Brazil.
  • Oguz Y; Maktoum Bin Hamdan Dental University College, Dubai, United Arab Emirates. Electronic address: yeneroguz@gmail.com.
  • Pereira-Filho VA; Dental School at Araraquara, Oral and Maxillofacial Surgery Division, São Paulo State University - UNESP, Araraquara, São Paulo, Brazil.
Br J Oral Maxillofac Surg ; 54(5): 573-8, 2016 Jun.
Article em En | MEDLINE | ID: mdl-27068853
We have evaluated the resistance to displacement of six stable methods of fixation of a sagittal split ramus osteotomy (SSRO) in the mandibular advancement with counterclockwise rotation. We tested 60 synthetic hemimandibles in six groups of 10 each: Group I - fixation with a straight four-hole 2.0mm miniplate; Group II - a straight six-hole 2.0mm miniplate; Group III - two straight 2.0mm four-hole miniplates; Group IV - an eight-hole 2.0mm (grid plate); Group V - a 2.0mm four-hole straight miniplate and 2.0×12mm bicortical screw; and Group VI - a straight four-hole 2.0mm locking miniplate. We applied a linear force in the region between the canine and the first premolar using a universal testing machine (EMIC- DL2000) with a loading cell of 10 KN. The loads at 1, 3, and 5mm displacement were recorded (N) and the data transmitted from the load cell to a computer. Results were analysed using analysis of variance (ANOVA) (p<0.001) and the Tukey post-test for comparison of the significance of the differences between the groups. For the three degrees of displacement, fixation with two straight 2.0mm plates and with the grid plate gave higher load values.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Placas Ósseas / Avanço Mandibular / Osteotomia Sagital do Ramo Mandibular Limite: Humans Idioma: En Revista: Br J Oral Maxillofac Surg Ano de publicação: 2016 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Placas Ósseas / Avanço Mandibular / Osteotomia Sagital do Ramo Mandibular Limite: Humans Idioma: En Revista: Br J Oral Maxillofac Surg Ano de publicação: 2016 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido