Strength analysis of Le Fort I osteotomy fixation: Titanium versus resorbable plates

Strength analysis of Le Fort I osteotomy fixation: Titanium versus resorbable plates

Purpose: The purpose of this study was to compare the biomechanical characteristics of metallic and polymeric fixation systems using a 3-dimensional skull model to simulate clinical conditions of maxillary advancement and loading. Material and Methods: Standard titanium, prebent titanium, and resorb...

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Veröffentlicht in:Journal of oral and maxillofacial surgery 2001-09, Vol.59 (9), p.1034-1039
Hauptverfasser: Araujo, Marcelo M., Waite, Peter D., Lemons, Jack E.
Format: Artikel
Sprache:eng
Schlagworte:
Absorbable Implants
Analysis of Variance
Biocompatible Materials
Bone Plates
Dental Stress Analysis
Dentistry
Elasticity
Equipment Failure Analysis
Humans
Jaw Fixation Techniques - instrumentation
Lactic Acid
Materials Testing
Models, Anatomic
Osteotomy, Le Fort
Polyglycolic Acid
Polymers
Titanium
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Zusammenfassung:Purpose: The purpose of this study was to compare the biomechanical characteristics of metallic and polymeric fixation systems using a 3-dimensional skull model to simulate clinical conditions of maxillary advancement and loading. Material and Methods: Standard titanium, prebent titanium, and resorbable plates and mesh were applied to surgically altered polyurethane skulls. The constructs were loaded using an Instron machine (Instron Inc, Canton, MA) in anterior-posterior (AP) and inferior-superior (IS) directions. The load displacement, load to failure, and deformation magnitudes and modes of failure were recorded. Statistical studies included analysis of variance (ANOVA) at P
ISSN:0278-2391
1531-5053
DOI:10.1053/joms.2001.25832