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KMID : 0602720150190040200
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Implantology
2015 Volume.19 No. 4 p.200 ~ p.209
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Effect of Implant Design on the Incidence of Peri-implant Disease: Branemark versus Straumann, a 2-Year Retrospective Study in 158 Partially Edentulous Patients
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Kim Seok-Gyu
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Abstract
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Purpose: The aim of this study was to evaluate the effect of implant design on the incidence of peri-implant disease.
Materials and Methods: The subjects of this study were 158 patients with 275 dental implants of 2 different designs, i.e., Branemark (216 implants) and Straumann (59 implants) who received dental implant treatments at Hannam Dental Clinic, Samsung Medical Center from January 2012 to December 2013. After the implant prostheses were delivered, the patients were reevaluated at the 3 to 6 months follow-up visits. Data were retrieved from the electric dental chart and radiographic records. Patients’ personal information, medical and dental history were recorded. The information related to the dental treatment including type, location, length and diameter of the implant, loading time of the implant, and the implant prosthesis type was recorded. Furthermore, the implant survival rate, implant prosthesis success rate, and the incidence of peri-implant diseases (peri-implant mucositis [PM]+peri-implantitis [PI]) were obtained. Clustered Cox regression model was used to compare the incidence of peri-implant diseases between the 2 implant designs. The effect of smoking habit, bruxism/clenching habit, and history of periodontitis on the incidence of peri-implant diseases were also analyzed.
Results: The implant survival rate was 99.3% (2 failed). The incidence of peri-implant diseases was 5.8%. The implant type showed marginally significant influences (p=0.054) on the PM. Straumann presented a 3 fold higher incidence of PM than Branemark. The incidence of peri-implant diseases (PM+PI) were not significantly different between the 2 implant types. The history of periodontitis, smoking habit, and bruxism/clenching habit did not present any significant effects on the incidence of peri-implant diseases.
Conclusion: Within the limitations of this retrospective study, the incidence of peri-implant diseases was not significantly different between the 2 different designs of implant, i.e., Branemark and Straumann.
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KEYWORD
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dental implants, incidence, peri-implantitis, retrospective studies
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