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Title: Comparison of stability of titanium and absorbable plate and screw fixation for mandibular angle fractures. Author: Esen A, Ataoğlu H, Gemi L. Journal: Oral Surg Oral Med Oral Pathol Oral Radiol Endod; 2008 Dec; 106(6):806-11. PubMed ID: 18718777. Abstract: OBJECTIVE: The purpose of this experimental study was to compare the stability of titanium and absorbable plate and screw fixation systems for mandibular angle fractures. STUDY DESIGN: Twenty-one sheep hemimandibles were used to evaluate 3 different plating techniques. The groups were fixated with a single titanium plate, a single absorbable plate and double absorbable plates. A cantilever bending biomechanical test model was used for the samples. Each group was tested with vertical forces by a servohydraulic testing unit. The displacement values in each group at each 10 N stage up to 100 N were compared using the 2-way analysis of variance test. RESULTS: The displacement values for the 3 groups differed significantly (P < .05). The variance analyses showed that titanium plate placement had more favorable biomechanical behavior than others. In addition, the 2 absorbable plates group had more favorable biomechanical behavior than a single absorbable plate group but it was not significantly different at 10 to 40 N. CONCLUSION: The study demonstrated that titanium plate and screw fixation system had greater resistance to occlusal loads than absorbable plate and screw systems. In addition, a second absorbable plate orientation provides a more favorable biomechanical behavior than a single absorbable plate placement.[Abstract] [Full Text] [Related] [New Search]