Volume 14, Number 3, September 2002

Clinical Application of Bioabsorbable Poly-L-lactic Acid Plate and Screw System in Oral and Maxillofacial Surgery: a Preliminary Report

Mohammad Shafiqul Alam,1 Masaaki Kusano,1 Kazuhiko Yamamoto,1 Tsutomu Sugiura,1 Kazuhiro Murakami,1 Hiroshi Shiotani,1 Yoshinari Morimoto,1 Wakashi Kitayama,1 Masahito Sugimura,1 Shouichi Miyawaki2

1Department of Oral and Maxillofacial Surgery, Nara Medical University, Nara, Japan
2Department of Orthodontics, Okayama University, Dental School, Okayama, Japan

Abstract
Objective: To report on the clinical application of a bioabsorbable poly-L-lactic acid miniplate osteosynthesis system in oral and maxillofacial surgery.
Patients and Methods: Eighteen patients - 10 with fracture and 8 with jaw deformity - were treated using a bioabsorbable poly-L-lactic acid miniplate osteosynthesis system between October 1998 and September 1999.
Results: The mean follow-up period was 8.6 months. The clinical course was satisfactory with bone union evident 6 months after operation. Only 1 patient with a mandibular angle fracture had a complication of screw fracture 3 weeks after operation.
Conclusion: The results suggest that this system is effective for osteosynthesis in several areas of oral and maxillofacial surgery, but a larger series with longer follow up is necessary to fully evaluate its usefulness.

Key words:
Biocompatible materials, Surgery, oral

Asian J Oral Maxillofac Surg. 2002;14:132-138.
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