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A new material (single crystal sapphire screw) for internal fixation of the mandibular ramus.

Authors
  • Iizuka, T
  • Fujimoto, H
  • Ono, T
Type
Published Article
Journal
Journal of Cranio-Maxillofacial Surgery
Publisher
Elsevier
Publication Date
Feb 01, 1987
Volume
15
Issue
1
Pages
24–27
Identifiers
PMID: 3470312
Source
Medline
License
Unknown

Abstract

A new single crystal sapphire bone screw which has favourable properties such as chemical stability, mechanical strength and biocompatibility, was applied for rigid internal fixation of the sagittal split osteotomies in 86 cases since 1982. Radiographic findings supported the excellent biocompatibility of the material; there was no noticeable bone loss around the screw and the excellent bone adaptation to the threaded portion was observed. The screws can mechanically support the split mandibular rami until bone union occurs. Complications due to the screw were not encountered in follow-up periods of 0.5-3.5 years.

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