Experimental analysis of functional stability of sagittal split ramus osteotomies secured by miniplates and position screws

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
V ShettyA A Caputo

Abstract

This study determined the relative functional stabilities of various miniplate systems and configurations used to stabilize sagittal split ramus osteotomies (SSROs) and compared them with conventional internal screw fixation. The biomechanical model was a reproducible prototype of a mandible sagittal osteotomy with consistent material and geometric properties. After advancing the distal segment by 7 mm, each set of mandible analogs (1 set = 3 analogs) was fixed bilaterally by one of three miniplate systems applied in various configurations, and tested with and without a supplemental 2.4-mm bicortical screw applied in the retromolar region. Reduced analogs were placed in a straining frame, and simulated masticatory loads were applied alternatively to the mandibular first molars. Ensuing osteotomy site displacements were measured by transducers attached to a computer-based data acquisition program. A coordinate transformation procedure was used to convert the component displacements captured by the individual transducers into a common "instability factor" to reflect fixation stability for each construct and loading condition. Instability factors for the individual constructs were compared with each other and with those obtained f...Continue Reading

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Citations

Oct 10, 2013·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Fábio Ricardo Loureiro SatoMárcio de Moraes
Dec 10, 2003·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Mark W Ochs
Dec 3, 2014·Oral and Maxillofacial Surgery Clinics of North America·Alan S HerfordRahul Tandon
Sep 10, 2013·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Hoon Joo Yang, Soon Jung Hwang
Jan 25, 2011·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Christoph ZizelmannDennis Rohner
Oct 12, 2010·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Harry C Schwartz
Dec 8, 2009·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Paulo Domingos Ribeiro-JuniorMaria B Papageorge
Sep 12, 1998·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·W Tharanon
May 1, 1997·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·M T MurphyJ E Barber
Jul 1, 2004·The British Journal of Oral & Maxillofacial Surgery·Terry A JonesAndrew Monaghan
Nov 1, 2012·Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology·Fábio Ricardo Loureiro SatoMárcio de Moraes
Jan 1, 2015·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Ji-Su Oh, Su-Gwan Kim
Mar 24, 2009·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Bernardo Ferreira BrasileiroLuis Augusto Passeri
Feb 19, 2008·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Il-Hyuk ChungKyung-Gyun Hwang
Apr 10, 2010·Journal of Applied Oral Science : Revista FOB·Felipe Ladeira PereiraEduardo Sant'Ana
Jun 6, 2015·Oral and Maxillofacial Surgery·Cristina Jardelino de LimaRoger Willian Fernandes Moreira
Dec 16, 2016·The Journal of Craniofacial Surgery·Giuliano Henrique Mião LuchiCláiton Heitz
Jul 26, 2002·The Journal of Craniofacial Surgery·Maurice Y Mommaerts
Mar 15, 2014·Journal of Applied Oral Science : Revista FOB·José Valladares-NetoJosé Rino-Neto
Oct 31, 2018·International Journal of Environmental Research and Public Health·Ju-Won KimByoung-Eun Yang
Oct 20, 2009·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Andrew Ow, Lim Kwong Cheung

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