Bone Union Quality after Fracture Fixation of Mandibular Head with Compression Magnesium Screws

被引:11
作者
Kozakiewicz, Marcin [1 ]
Gabryelczak, Izabela [1 ]
机构
[1] Med Univ Lodz, Dept Maxillofacial Surg, 113 Zeromskiego Str, PL-90549 Lodz, Poland
关键词
magnesium; mandible head; mandible condyle; condylar head fracture; fracture treatment; bone union; fixing material; osteosynthesis; open rigid internal fixation; surgical treatment; IN-VIVO DEGRADATION; CONDYLAR HEAD; ANTIBACTERIAL PROPERTIES; FUNCTIONAL OUTCOMES; SURGICAL-TREATMENT; MINIATURE PIG; OSTEOSYNTHESIS; MODEL; VITRO; BIODEGRADATION;
D O I
10.3390/ma15062230
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
For some years now, fixation devices created with resorbable magnesium alloys for the mandibular head have been clinically available and are beginning to be used. It is thus valuable to evaluate the quality of unions in these cases. The aim of this study was radiological comparison of magnesium versus titanium open reduction and rigid fixations in the mandible condylar head. Thirty-one patients were treated for fractures of the mandibular head with magnesium WE43 alloy headless compression screws (diameter 2.3 mm) and, as a reference group, 29 patients were included with similar construction titanium screws (diameter 1.8 mm). The 12-month results of the treatment were evaluated by the texture analysis of CT. Near similar treatment results were found with magnesium screws in traditional titanium fixation. Magnesium screws result in a higher density of the bone structure in the mandibular head. Conclusions: The quantitative evaluation of bone union after surgical treatment of mandibular head fracture with magnesium compression headless screws indicates that stable consolidation was achieved. Undoubtedly, the resorption process of the screws was found to be incomplete after 12 months, evidenced by a marked densification of the bone structure at the fracture site.
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页数:14
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