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Influence of different operatory setups on implant survival rate: a retrospective clinical study
Carina Cardemil1, Zoran Ristevski, Bengt Alsén
1Department of Oral Maxillofacial Surgery, NAL Medical Centre Hospital, Trollhättan, Sweden.
Background:
Surgery performed under sterile operating conditions, as well as atraumatic surgery, has been stated to be among the most important requirements for successful osseointegration. However, there are few reports concerning the sterile surgical technique in association with implant placement, and the appropriate level of operatory setup is not fully known.
Purpose:
The purpose of this study was to analyze implant survival rate using a simplified surgical operatory setup compared with the use of the original Brånemark System (Nobel Biocare AB, Göteborg, Sweden) protocol.
Materials And Methods:
A total of 1,285 consecutively treated patients were included in the study. Four thousand implants were placed during the period of 1985 to 2003. Group A (using the Brånemark System protocol) comprised of 654 patients and 2,414 implants. Group B (using a simplified operatory setup) comprised of 631 patients and 1,586 implants. Healing was evaluated after 6 months of clinical function. Failure was defined as the removal of implants because of nonosseointegration. Statistic analysis was performed using t-test for paired data. The level of significance was set at 5% for comparison of data.
Results:
No significant difference with regard to complications and implant survival rate was found in the study.
Conclusion:
The result from the present study suggests that a simplified operatory setup does not affect the survival rate of oral implant treatment.