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Resistance of four fixation techniques used to treat subcondylar fractures

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Abstract

Objective

This study aimed to evaluate the resistance of four fixation techniques used to treat subcondylar fractures. The following techniques were evaluated: fixation with one 4-hole single straight plate; fixation with one 2-mm 4-hole system plate and one 1.5-mm 3-hole system plate; fixation with two 2-mm plates with a 3-hole anterior plate; and fixation with two 2-mm plates with four holes each.

Study design

Each fixation technique was subjected to a resistance test. The load values were measured when displacement of 1, 2, and 5 mm was reached. Load values were compared for statistically significant differences using analysis of variance (ANOVA; p < 0.5) and Tukey’s test.

Results

Statistically significant differences were observed, when the load was applied to the first molar on the side of the fracture. The group treated with a 4-hole, 2-mm, one plate system showed resistance to lower load values than the groups treated with two plates in any combination.

Conclusions

When the fracture was fixed using two plates, regardless of the kind of plates used, no statistically significant difference between the groups was observed. However, two plate systems showed better resistance than one plate systems.

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Capes (Coordenação de Aperfeiçoamento de Pessoal de Nível Superior).

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Authors and Affiliations

  1. Division of Oral and Maxillofacial Surgery, Piracicaba Dental School, State University of Campinas, Piracicaba, Brazil

    Lucas Cavalieri-Pereira & Márcio de Moraes

  2. Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirão Preto, University of São Paulo, Av. do Café, s/n-Campus USP, 14090-904, Ribeirão Preto, São Paulo, Brazil

    Guilherme Spagnol, Cássio Edvard Sverzut & Alexandre Elias Trivellato

Authors
  1. Lucas Cavalieri-Pereira
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  2. Guilherme Spagnol
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  3. Cássio Edvard Sverzut
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  4. Márcio de Moraes
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  5. Alexandre Elias Trivellato
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Correspondence to Alexandre Elias Trivellato.

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Cavalieri-Pereira, L., Spagnol, G., Sverzut, C.E. et al. Resistance of four fixation techniques used to treat subcondylar fractures. Oral Maxillofac Surg 22, 91–96 (2018). https://doi.org/10.1007/s10006-018-0675-0

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  • DOI: https://doi.org/10.1007/s10006-018-0675-0

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