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Kozakiewicz M, Zieliński R, Konieczny B, et al. Open Rigid Internal Fixation of Low-Neck Condylar Fractures of the Mandible: Mechanical Comparison of 16 Plate Designs. Materials (Basel). 2020;13(8)doi: 10.3390/ma13081953.
Kozakiewicz, M., Zieliński, R., Konieczny, B., Krasowski, M., & Okulski, J. (2020). Open Rigid Internal Fixation of Low-Neck Condylar Fractures of the Mandible: Mechanical Comparison of 16 Plate Designs. Materials (Basel, Switzerland), 13(8), . https://doi.org/10.3390/ma13081953
Kozakiewicz, Marcin, et al. "Open Rigid Internal Fixation of Low-Neck Condylar Fractures of the Mandible: Mechanical Comparison of 16 Plate Designs." Materials (Basel, Switzerland) vol. 13,8 (2020). doi: https://doi.org/10.3390/ma13081953
Kozakiewicz M, Zieliński R, Konieczny B, Krasowski M, Okulski J. Open Rigid Internal Fixation of Low-Neck Condylar Fractures of the Mandible: Mechanical Comparison of 16 Plate Designs. Materials (Basel). 2020 Apr 22;13(8). doi: 10.3390/ma13081953. PMID: 32331209; PMCID: PMC7215721.
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Materials (Basel). 2020 Apr 22;13(8). doi: 10.3390/ma13081953.

Open Rigid Internal Fixation of Low-Neck Condylar Fractures of the Mandible: Mechanical Comparison of 16 Plate Designs.

Materials (Basel, Switzerland)

Marcin Kozakiewicz, Rafał Zieliński, Bartłomiej Konieczny, Michał Krasowski, Jakub Okulski

Affiliations

  1. Department of Maxillofacial Surgery, Medical University of Lodz, 1st Gen. J. Hallera Pl., 90-647 Lodz, Poland.
  2. Material Science Laboratory, Medical University of Lodz, 251st Pomorska, 92-213 Lodz, Poland.

PMID: 32331209 PMCID: PMC7215721 DOI: 10.3390/ma13081953

Abstract

BACKGROUND: In the literature, no information on plates for low-neck mandibular condylar osteosynthesis can be found, despite the fact that 30 plate designs have already been published. The aim of this study was to compare any dedicated plates for possible use in low-neck condylar fracture osteosynthesis.

METHODS: The force required for 1-mm displacement of the fixed fracture fragments and incidents of screw loosening were recorded on polyurethane mandibles among 16 designs of titanium plates fixed by 6-mm screws in a 2.0 system.

RESULTS: Double-straight plate fixation was the mechanical gold standard (15.2 ± 3.5 N), followed by A-shape Condylar Plates (14.9 ± 2.1 N), X-shape Condylar Plates (14.2 ± 1.3 N) and Auto Repositioning Plates (11.8 ± 2.4 N). Screw loosening was uncommon, as a minimum of three screws were placed into the condylar part. Fewer screws were lost from the ramus part of the fixation if the plate was attached to the condylar part by three screws. Often, the stability of the ramus screws was lost when there were only two fixing screws in the condyle (

CONCLUSIONS: It is advisable to consider the mechanical advantages as one decides which plate to choose for open rigid internal fixation in low-neck condylar fractures, or to only be aware of the significant differences in mobility within the fracture line after fixation with different dedicated plates.

Keywords: ORIF; dedicated plates; low-neck fracture; mandibular condyle; mechanical comparison; surgical treatment

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