Decontaminating the surfaces of bonded screw-retained implant prostheses: A comparison of three different post-processing cleaning techniques

被引:0
作者
Sarfaraz, Hasan [1 ]
Netalkar, Pooja. P. [1 ]
Shetty, Mallika [1 ]
Zahid, Mohammed [1 ]
Shetty, Rajesh [1 ]
机构
[1] Yenepoya Deemed Univ, Yenepoya Dent Coll, Dept Prosthodont & Crown & Bridge, Mangalore, Karnataka, India
关键词
ABUTMENTS; PLASMA;
D O I
10.1016/j.prosdent.2024.10.006
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Statement of problem. Bonded screw-retained implant-supported prostheses may become contaminated during fabrication, leading to biological complications. Studies supporting effective cleaning methods are sparse. Purpose. The purpose of this in -vitro study was to compare the effectiveness of 3 different cleaning techniques for the removal of contaminants on the surfaces of bonded screw-retained implant-supported prostheses. Material and methods. Forty-five screw-retained implant-supported prostheses were divided into 3 groups after their processing in the digital laboratory. Group VS included specimens cleaned using vapor steam, group ME using a multi-enzyme cleaner in an ultrasonic bath, and group 3UC using the 3-step ultrasonic cleaning method with different solutions. The presence of contaminants was determined using scanning electron microscopy (SEM) under x200 and x500 magnifications and energy dispersive X-ray spectroscopy (EDS). The ImageJ software program was used to locate and quantify the debris. Statistical tests, including the Wilcoxon signed-rank test, Kruskal-Wallis test, and Dunn test were used to evaluate the effectiveness of the 3 cleaning techniques. Results. Statistically significant differences in the number of surface contaminants were observed at the implant-abutment interface in all 3 groups (P<.05) after each cleaning technique, with the highest mean difference for the 3-step ultrasonic cleaning. Elements such as carbon, oxygen, titanium, and calcium showed statistically significant differences (P<.05) compared with other elements among the groups. Conclusions. All 3 cleaning techniques reduced the contaminants on the surfaces of the screwretained implant-supported prostheses. The 3-step ultrasonic cleaning method yielded the best
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页码:541e1 / 541e6
页数:6
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