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Surface roughness of dental implants and treatment time using six different implantoplasty procedures

钻石 抛光 材料科学 表面粗糙度 植入 表面光洁度 牙科 牙种植体 复合材料 医学 外科
作者
Christian Ramel,A. Lussi,Mutlu Özcan,Ronald E. Jung,Christoph H. F. Hämmerle,Daniel S. Thoma
出处
期刊:Clinical Oral Implants Research [Wiley]
卷期号:27 (7): 776-781 被引量:76
标识
DOI:10.1111/clr.12682
摘要

Abstract Objectives To test whether or not one of six implantoplasty procedures is superior to the others rendering a minimal final implant surface roughness and a short treatment time. Material and methods Forty‐two one‐piece implants were embedded in epoxy resin blocks with 6‐mm rough implant surface exposed. The following implantoplasty polishing sequences were applied: Brownie ® , Greenie ® sequence ( BG ) (diamond rotary instruments 106‐, 40‐, 15‐μm grit, Brownie ® , Greenie ® silicone polishers); Arkansas stone sequence ( AS ) (diamond 106‐, 40‐, 15‐μm grit, Arkansas stone torpedo‐shaped bur); Short diamond sequence ( SD ) (diamond 106‐, 40‐, 4‐μm grit); Short diamond sequence with Greenie ® ( SDG ) (diamond 106‐, 40‐, 4‐μm grit, Greenie ® ); Complete diamond sequence ( CD ) (diamond 106‐, 40‐, 15‐, 8‐, 4‐μm grit); Complete diamond sequence with Greenie ® ( CDG ) (106‐, 40‐, 15‐, 8‐, 4‐μm grit, Greenie ® ). The polished neck portion served as a positive control, the untreated sandblasted and acid‐etched surface as negative control. Each implant was scanned with a contact profilometer rendering R a values and R z values as a measure of surface roughness. The time needed to polish the implant surface for each group was recorded. Simultaneous comparisons between more than two groups were done performing Kruskal–Wallis tests. Comparisons between two groups were analysed using Wilcoxon rank‐sum tests. Results Mean R a values amounted to 0.32 ± 0.14 μm ( BG ), 0.39 ± 0.13 μm ( AS ), 0.59 ± 0.19 μm ( SDG ), 0.71 ± 0.22 μm ( SD ), 0.75 ± 0.26 μm ( CDG ), 0.98 ± 0.30 μm ( CD ), 0.10 ± 0.01 μm ( PC ) and 1.94 ± 0.47 μm ( NC ). Pairwise one‐sided comparisons between the test group revealed statistically significant differences ( P < 0.05). The shortest treatment time was recorded for group AS (13 ± 2 min) and the longest for CDG (21 ± 2 min) and BG (21 ± 4 min). Conclusions Considering final surface roughness and treatment duration, the use of rotary diamond burs in decreasing roughness, followed by an arkansas stone (group AS ), appears to be an optimal treatment option.
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