CAD-CAM plates versus conventional fixation plates for primary mandibular reconstruction: A biomechanical in vitro analysis

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CAD-CAM plates versus conventional fixation plates for primary mandibular reconstruction: A biomechanical in vitro analysis. / Rendenbach, Carsten; Sellenschloh, Kay; Gerbig, Lucca; Morlock, Michael M; Beck-Broichsitter, Benedicta; Smeets, Ralf; Heiland, Max; Huber, Gerd; Hanken, Henning.

In: J CRANIO MAXILL SURG, Vol. 45, No. 11, 11.2017, p. 1878-1883.

Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

Harvard

Rendenbach, C, Sellenschloh, K, Gerbig, L, Morlock, MM, Beck-Broichsitter, B, Smeets, R, Heiland, M, Huber, G & Hanken, H 2017, 'CAD-CAM plates versus conventional fixation plates for primary mandibular reconstruction: A biomechanical in vitro analysis', J CRANIO MAXILL SURG, vol. 45, no. 11, pp. 1878-1883. https://doi.org/10.1016/j.jcms.2017.08.024

APA

Rendenbach, C., Sellenschloh, K., Gerbig, L., Morlock, M. M., Beck-Broichsitter, B., Smeets, R., Heiland, M., Huber, G., & Hanken, H. (2017). CAD-CAM plates versus conventional fixation plates for primary mandibular reconstruction: A biomechanical in vitro analysis. J CRANIO MAXILL SURG, 45(11), 1878-1883. https://doi.org/10.1016/j.jcms.2017.08.024

Vancouver

Bibtex

@article{73d7cdee99b245939bc7f5f66932585d,
title = "CAD-CAM plates versus conventional fixation plates for primary mandibular reconstruction: A biomechanical in vitro analysis",
abstract = "BACKGROUND: CAD/CAM reconstruction plates have become a viable option for mandible reconstruction. The aim of this study was to determine whether CAD/CAM plates provide higher fatigue strength compared with conventional fixation systems.MATERIAL AND METHODS: 1.0 mm miniplates, 2.0 mm conventional locking plates (DePuy Synthes, Umkirch, Germany), and 2.0 mm CAD/CAM plates (Materialise, Leuven, Belgium/DePuy Synthes) were used to reconstruct a polyurethane mandible model (Synbone, Malans, CH) with cortical and cancellous bone equivalents. Mastication was simulated via cyclic dynamic testing using a universal testing machine (MTS, Bionix, Eden Prairie, MN, USA) until material failure reached a rate of 1 Hz with increasing loads on the left side.RESULTS: No significant difference was found between the groups until a load of 300 N. At higher loads, vertical displacement differed increasingly, with a poorer performance of miniplates (p = 0.04). Plate breakage occurred in miniplates and conventional locking plates. Screw breakage was recorded as the primary failure mechanism in CAD/CAM plates. Stiffness was significantly higher with the CAD/CAM plates (p = 0.04).CONCLUSION: CAD/CAM plates and reconstruction plates provide higher fatigue strength than miniplates, and stiffness is highest in CAD/CAM systems. All tested fixation methods seem sufficiently stable for mandible reconstruction.",
keywords = "Journal Article",
author = "Carsten Rendenbach and Kay Sellenschloh and Lucca Gerbig and Morlock, {Michael M} and Benedicta Beck-Broichsitter and Ralf Smeets and Max Heiland and Gerd Huber and Henning Hanken",
note = "Copyright {\textcopyright} 2017 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.",
year = "2017",
month = nov,
doi = "10.1016/j.jcms.2017.08.024",
language = "English",
volume = "45",
pages = "1878--1883",
journal = "J CRANIO MAXILL SURG",
issn = "1010-5182",
publisher = "Elsevier",
number = "11",

}

RIS

TY - JOUR

T1 - CAD-CAM plates versus conventional fixation plates for primary mandibular reconstruction: A biomechanical in vitro analysis

AU - Rendenbach, Carsten

AU - Sellenschloh, Kay

AU - Gerbig, Lucca

AU - Morlock, Michael M

AU - Beck-Broichsitter, Benedicta

AU - Smeets, Ralf

AU - Heiland, Max

AU - Huber, Gerd

AU - Hanken, Henning

N1 - Copyright © 2017 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.

PY - 2017/11

Y1 - 2017/11

N2 - BACKGROUND: CAD/CAM reconstruction plates have become a viable option for mandible reconstruction. The aim of this study was to determine whether CAD/CAM plates provide higher fatigue strength compared with conventional fixation systems.MATERIAL AND METHODS: 1.0 mm miniplates, 2.0 mm conventional locking plates (DePuy Synthes, Umkirch, Germany), and 2.0 mm CAD/CAM plates (Materialise, Leuven, Belgium/DePuy Synthes) were used to reconstruct a polyurethane mandible model (Synbone, Malans, CH) with cortical and cancellous bone equivalents. Mastication was simulated via cyclic dynamic testing using a universal testing machine (MTS, Bionix, Eden Prairie, MN, USA) until material failure reached a rate of 1 Hz with increasing loads on the left side.RESULTS: No significant difference was found between the groups until a load of 300 N. At higher loads, vertical displacement differed increasingly, with a poorer performance of miniplates (p = 0.04). Plate breakage occurred in miniplates and conventional locking plates. Screw breakage was recorded as the primary failure mechanism in CAD/CAM plates. Stiffness was significantly higher with the CAD/CAM plates (p = 0.04).CONCLUSION: CAD/CAM plates and reconstruction plates provide higher fatigue strength than miniplates, and stiffness is highest in CAD/CAM systems. All tested fixation methods seem sufficiently stable for mandible reconstruction.

AB - BACKGROUND: CAD/CAM reconstruction plates have become a viable option for mandible reconstruction. The aim of this study was to determine whether CAD/CAM plates provide higher fatigue strength compared with conventional fixation systems.MATERIAL AND METHODS: 1.0 mm miniplates, 2.0 mm conventional locking plates (DePuy Synthes, Umkirch, Germany), and 2.0 mm CAD/CAM plates (Materialise, Leuven, Belgium/DePuy Synthes) were used to reconstruct a polyurethane mandible model (Synbone, Malans, CH) with cortical and cancellous bone equivalents. Mastication was simulated via cyclic dynamic testing using a universal testing machine (MTS, Bionix, Eden Prairie, MN, USA) until material failure reached a rate of 1 Hz with increasing loads on the left side.RESULTS: No significant difference was found between the groups until a load of 300 N. At higher loads, vertical displacement differed increasingly, with a poorer performance of miniplates (p = 0.04). Plate breakage occurred in miniplates and conventional locking plates. Screw breakage was recorded as the primary failure mechanism in CAD/CAM plates. Stiffness was significantly higher with the CAD/CAM plates (p = 0.04).CONCLUSION: CAD/CAM plates and reconstruction plates provide higher fatigue strength than miniplates, and stiffness is highest in CAD/CAM systems. All tested fixation methods seem sufficiently stable for mandible reconstruction.

KW - Journal Article

U2 - 10.1016/j.jcms.2017.08.024

DO - 10.1016/j.jcms.2017.08.024

M3 - SCORING: Journal article

C2 - 28943180

VL - 45

SP - 1878

EP - 1883

JO - J CRANIO MAXILL SURG

JF - J CRANIO MAXILL SURG

SN - 1010-5182

IS - 11

ER -