Evaluation of the rigidity of sagittal split ramus osteotomy fixation using four designs of biodegradable and titanium plates—a numerical study

Safieh Albougha, Mhd Hassan Al Bogha, Mhd Ayham Darwich, Khaldoun Darwich

Research output: Contribution to journalArticle

Abstract

Purpose: This study was conducted to determine the best design of biodegradable plates for providing rigidity when used for fixation of sagittal split ramus osteotomy. Methods: A computerized tomography image of a patient was used to generate a 3D model of a hemi-mandible. Four plate designs were merged with the hemi-mandible. They were (1) straight plate, (2) double straight plate, (3) T-shaped plate, and (4) double Y-shaped plate. Four finite element models were analyzed using the properties of biodegradable materials for the plates, and four additional models were analyzed using titanium alloy properties. Results: The models predicted that rigidity of fixation would be noticeably less among biodegradable plates than titanium plates. They also predicted that the most rigid design among the titanium plates would be the straight plate, but among the biodegradable plates, it would be the double Y-shaped plate. Conclusion: The double Y-shaped design is recommended when using biodegradable plates in fixation of sagittal split ramus osteotomy.

Original languageEnglish
Pages (from-to)281-285
Number of pages5
JournalOral and Maxillofacial Surgery
Volume19
Issue number3
DOIs
Publication statusPublished - Sep 17 2015

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Sagittal Split Ramus Osteotomy
Titanium
Mandible
Tomography

All Science Journal Classification (ASJC) codes

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology

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Evaluation of the rigidity of sagittal split ramus osteotomy fixation using four designs of biodegradable and titanium plates—a numerical study. / Albougha, Safieh; Al Bogha, Mhd Hassan; Darwich, Mhd Ayham; Darwich, Khaldoun.

In: Oral and Maxillofacial Surgery, Vol. 19, No. 3, 17.09.2015, p. 281-285.

Research output: Contribution to journalArticle

Albougha, Safieh ; Al Bogha, Mhd Hassan ; Darwich, Mhd Ayham ; Darwich, Khaldoun. / Evaluation of the rigidity of sagittal split ramus osteotomy fixation using four designs of biodegradable and titanium plates—a numerical study. In: Oral and Maxillofacial Surgery. 2015 ; Vol. 19, No. 3. pp. 281-285.
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