China Journal of Oral and Maxillofacial Surgery ›› 2015, Vol. 13 ›› Issue (2): 129-133.

• Clinical Articles • Previous Articles     Next Articles

Application of bone grafting in glenoid fossa to improve the stability of Biomet fossa prosthesis in 8 consecutive cases

BAI Guo, YANG Chi, HE Dong-mei, ZHANG Xiao-hu, CHEN Min-jie   

  1. Department of Oral Surgery, Shanghai Ninth People’s Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology. Shanghai 200011, China
  • Received:2014-09-09 Revised:2014-11-13 Online:2015-03-20 Published:2015-04-23
  • Supported by:
    Supported by National Natural Science Foundation of China (81472117) and Research Fund of Science and Technology Committee of Shanghai Municipality (08DZ2271100, 13XD1402300)

Abstract: PURPOSE: To investigate the value of bone grafting in glenoid fossa to improve the stability of Biomet fossa prosthesis implantation. METHODS: Patients who needed total temporomandibular joint replacement surgery from Nov. 2013 to Feb. 2014 were included in this study. Bone grafting in glenoid fossa was performed on each patient instead of conventional bone trimming on articular tubercle. Postoperative measurement of bone attachment area of articular tubercle, bone graft and the top of fossa prosthesis was performed using the ProPlan CMF 1.4 software to determine the stability of the fossa prosthesis. Immediate CT was taken and imported into Proplan software again to evaluate the outcome of bone grafting, Student’s t test was used for statistical analysis with SPSS 19.0 software package. RESULTS: The intraoperative stability of fossa prosthesis was guaranteed and postoperative measurement showed that bone grafting in glenoid fossa increased bone attachment rate of 34.86% than the bone trimming on articular tubercle (P<0.05). CONCLUSIONS: Bone grafting in glenoid fossa could significantly improve the stability of Biomet fossa prosthesis with a reliable outcome.

Key words: Bone grafting, Glenoid Fossa, Stability, Bone attachment area

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