Journal of clinical periodontology · 2012
Implant decontamination during surgical peri-implantitis treatment: a randomized, double-blind, placebo-controlled trial.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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de Waal Yvonne C M, Raghoebar Gerry M, Huddleston Slater James J R, Meijer Henny J A, Winkel Edwin G, van Winkelhoff Arie Jan
Аннотация
AIM: The objective of this randomized, double-blind, placebo-controlled trial was to study the effect of implant surface decontamination with chlorhexidine (CHX)/cetylpyridinium chloride (CPC) on microbiological and clinical parameters.
MATERIAL & METHODS: Thirty patients (79 implants) with peri-implantitis were treated with resective surgical treatment consisting of apically re-positioned flap, bone re-contouring and surface debridement and decontamination. Patients were randomly allocated to decontamination with 0.12% CHX + 0.05% CPC (test-group) or a placebo-solution (without CHX/CPC, placebo-group). Microbiological parameters were recorded during surgery; clinical and radiographical parameters were recorded before (pre-) treatment (baseline), and at 3, 6 and 12 months after treatment.
RESULTS: Nine implants in two patients in the placebo-group were lost due to severe persisting peri-implantitis. Both decontamination procedures resulted in significant reductions of bacterial load on the implant surface, but the test-group showed a significantly greater reduction than the placebo-group (log 4.21 ± 1.89 versus log 2.77 ± 2.12, p = 0.006). Multilevel analysis showed no differences between both groups in the effect of the intervention on bleeding, suppuration, probing pocket depth and radiographical bone loss over time.
CONCLUSION: Implant surface decontamination with 0.12% CHX + 0.05% CPC in resective surgical treatment of peri-implantitis leads to a greater immediate suppression of anaerobic bacteria on the implant surface than a placebo-solution, but does not lead to superior clinical results. The long-term microbiological effect remains unknown.
MATERIAL & METHODS: Thirty patients (79 implants) with peri-implantitis were treated with resective surgical treatment consisting of apically re-positioned flap, bone re-contouring and surface debridement and decontamination. Patients were randomly allocated to decontamination with 0.12% CHX + 0.05% CPC (test-group) or a placebo-solution (without CHX/CPC, placebo-group). Microbiological parameters were recorded during surgery; clinical and radiographical parameters were recorded before (pre-) treatment (baseline), and at 3, 6 and 12 months after treatment.
RESULTS: Nine implants in two patients in the placebo-group were lost due to severe persisting peri-implantitis. Both decontamination procedures resulted in significant reductions of bacterial load on the implant surface, but the test-group showed a significantly greater reduction than the placebo-group (log 4.21 ± 1.89 versus log 2.77 ± 2.12, p = 0.006). Multilevel analysis showed no differences between both groups in the effect of the intervention on bleeding, suppuration, probing pocket depth and radiographical bone loss over time.
CONCLUSION: Implant surface decontamination with 0.12% CHX + 0.05% CPC in resective surgical treatment of peri-implantitis leads to a greater immediate suppression of anaerobic bacteria on the implant surface than a placebo-solution, but does not lead to superior clinical results. The long-term microbiological effect remains unknown.