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Background <p>This study evaluates the efficacy of carbon fiber reinforced Polyetheretherketone (Cfr-PEEK) in fixation after sagittal split ramus osteotomy (SSRO) by comparing it with titanium in vitro.</p> Methods <p>Twenty-eight sheep hemimandibles were randomly assigned to four groups for SSRO surgery. Fixation was performed with a 4-hole titanium mini plate for 5&#xa0;mm advancement in Group 1, with a 4-hole Cfr-PEEK mini plate for 5&#xa0;mm advancement for Group 2, with a 4-hole titanium mini plate for 10&#xa0;mm advancement for Group 3, and with a 4-hole Cfr-PEEK mini plate for 10&#xa0;mm advancement for Group 4. A linear vertical load of 50&#xa0;N was applied to all models from the molar region. Displacement values were recorded digitally.</p> Results <p>There was a significant difference among the displacement values of four groups (<i>p</i> &lt; 0.05). The highest displacement values were observed in group 2 and the lowest in group 3. The Cfr-PEEK plates’ fixed groups showed lower displacement values than their titanium counterparts.</p> Conclusions <p>According to this study, Cfr-PEEK provides better stability than titanium by considering the displacement values. However, future experimental and clinical studies that include larger samples and different designs need to be done.</p>

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Biomechanical comparison of the efficacy of Cfr-PEEK and titanium systems in the fixation following sagittal split advancement osteotomy: a biomechanical study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年1月20日

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  • Esengul Sen,
  • Damla Torul

摘要

Background

This study evaluates the efficacy of carbon fiber reinforced Polyetheretherketone (Cfr-PEEK) in fixation after sagittal split ramus osteotomy (SSRO) by comparing it with titanium in vitro.

Methods

Twenty-eight sheep hemimandibles were randomly assigned to four groups for SSRO surgery. Fixation was performed with a 4-hole titanium mini plate for 5 mm advancement in Group 1, with a 4-hole Cfr-PEEK mini plate for 5 mm advancement for Group 2, with a 4-hole titanium mini plate for 10 mm advancement for Group 3, and with a 4-hole Cfr-PEEK mini plate for 10 mm advancement for Group 4. A linear vertical load of 50 N was applied to all models from the molar region. Displacement values were recorded digitally.

Results

There was a significant difference among the displacement values of four groups (p < 0.05). The highest displacement values were observed in group 2 and the lowest in group 3. The Cfr-PEEK plates’ fixed groups showed lower displacement values than their titanium counterparts.

Conclusions

According to this study, Cfr-PEEK provides better stability than titanium by considering the displacement values. However, future experimental and clinical studies that include larger samples and different designs need to be done.