In vitro evaluation of fissure sealants'wear under erosive, abrasive and erosive/abrasive conditions

被引:1
|
作者
Hamza, B. [1 ]
Sekularac, M. [2 ]
Attin, T. [2 ]
Wegehaupt, F. J. [2 ]
机构
[1] Univ Zurich, Ctr Dent Med, Clin Orthodont & Pediat Dent, Plattenstr 11, CH-8032 Zurich, Switzerland
[2] Univ Zurich, Ctr Dent Med, Clin Conservat & Prevent Dent, CH-8032 Zurich, Switzerland
关键词
Fissure sealants; Material wear; Fillers; Erosive challenge; Abrasive challenge; FLUORIDE;
D O I
10.1007/s40368-022-00757-z
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Purpose To evaluate and compare the wear of selected resin-based fissure sealants with different compositions properties under erosive, abrasive, and erosive/abrasive conditions. Methods Forty-five samples of the following resin-based fissure sealants were prepared: Fissurit (fluoride free), Fissurit F (with fluoride), Fissurit FX (55 wt.% filler content), Grandio Seal (70 wt.% nano-filler content) and bovine enamel. Fifteen samples from each material were randomly allocated into three groups according to the wear condition they would be subjected to as follows: erosive condition (citric acid, 1 min, pH 2.3), abrasive condition (120 brushing strokes at 2 N, toothpaste slurry RDA value =69), and erosive/abrasive condition (combination of both). The wear challenges were repeated six times each day for 10 days. The material wear was measured using a stylus profilometer. Kruskal-Wallis and Conover's test was applied to compare the resulting material wear between the groups. Results Under erosive conditions, Grandio Seal and Fissurit FX showed statistically significantly the least material wear. Under abrasive and erosive/abrasive conditions, Grandio Seal showed statistically significantly the least material wear. Fissurit F showed statistically significantly the highest material wear under abrasive and erosive/abrasive conditions, after dental enamel (p < 0.05). Conclusion Higher filler content in sealants leads to better wear resistance. Incorporating fluoride into sealants seems to reduce their wear resistance at similar filler contents.
引用
收藏
页码:55 / 61
页数:7
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