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The International Journal of Oral & Maxillofacial Implants



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Int J Oral Maxillofac Implants 30 (2015), No. 1     21. Jan. 2015
Int J Oral Maxillofac Implants 30 (2015), No. 1  (21.01.2015)

Page 151-160, doi:10.11607/jomi.3769, PubMed:25506641

Implant Therapy in a Surgical Specialty Clinic: An Analysis of Patients, Indications, Surgical Procedures, Risk Factors, and Early Failures
Brügger, Odette Engel / Bornstein, Michael M. / Kuchler, Ulrike / Janner, Simone F. M. / Chappuis, Vivianne / Buser, Daniel
Purpose: The aim of this study was to analyze the patient pool referred to a specialty clinic for implant surgery over a 3-year period.
Materials and Methods: All patients receiving dental implants between 2008 and 2010 at the Department of Oral Surgery and Stomatology were included in the study. As primary outcome parameters, the patients were analyzed according to the following criteria: age, sex, systemic diseases, and indication for therapy. For the inserted implants, the type of surgical procedure, the types of implants placed, postsurgical complications, and early failures were recorded. A logistic regression analysis was performed to identify possible local and systemic risk factors for complications. As a secondary outcome, data regarding demographics and surgical procedures were compared with the findings of a historic study group (2002 to 2004).
Results: A total of 1,568 patients (792 women and 776 men; mean age, 52.6 years) received 2,279 implants. The most frequent indication was a single-tooth gap (52.8%). Augmentative procedures were performed in 60% of the cases. Tissue-level implants (72.1%) were more frequently used than bone-level implants (27.9%). Regarding dimensions of the implants, a diameter of 4.1 mm (59.7%) and a length of 10 mm (55.0%) were most often utilized. An early failure rate of 0.6% was recorded (13 implants). Patients were older and received more implants in the maxilla, and the complexity of surgical interventions had increased when compared to the patient pool of 2002 to 2004.
Conclusion: Implant therapy performed in a surgical specialty clinic utilizing strict patient selection and evidence-based surgical protocols showed a very low early failure rate of 0.6%.

Keywords: bisphosphonates, complications, dental implants, early failure, guided bone regeneration, indications