Physical-mechanical properties of glass ionomer cements indicated for atraumatic restorative treatment

被引：74
作者：
Bonifacio, C. C. [1 ,2 ]
Kleverlaan, C. J. [3 ]
Raggio, D. P. [4 ]
Werner, A. [3 ]
de Carvalho, R. C. R. [2 ]
van Amerongen, W. E. [1 ]
机构：
[1] Acad Ctr Dent Amsterdam ACTA, Dept Pediat Dent, Amsterdam, Netherlands
[2] Univ Sao Paulo, Sch Dent, Dept Restorat Dent, Sao Paulo, Brazil
[3] Acad Ctr Dent Amsterdam ACTA, Dept Dent Mat Sci, Amsterdam, Netherlands
[4] Univ Sao Paulo, Sch Dent, Dept Pediat Dent, Sao Paulo, Brazil
来源：
AUSTRALIAN DENTAL JOURNAL | 2009年 / 54卷 / 03期
关键词：
Compressive strength; flexural strength; glass ionomer cement; hardness; wear; LONG-TERM WEAR; ART RESTORATIONS; SINGLE-SURFACE; DENTITION; CARIES;
D O I：
10.1111/j.1834-7819.2009.01125.x
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
Background: This study evaluated mechanical properties of glass ionomer cements (GICs) used for atraumatic restorative treatment. Wear resistance, Knoop hardness (Kh), flexural (F-s) and compressive strength (C-s) were evaluated. The GICs used were Riva Self Cure (RVA), Fuji IX (FIX), Hi Dense (HD), Vitro Molar (VM), Maxxion R (MXR) and Ketac Molar Easymix (KME). Methods: Wear was evaluated after 1, 4, 63 and 365 days. Two-way ANOVA and Tukey post hoc tests (P = 0.05) analysed differences in wear of the GICs and the time effect. F-s, C-s, and Kh were analysed with one-way ANOVA. Results: The type of cement (p < 0.001) and the time (p < 0.001) had a significant effect on wear. In early-term wear and Kh, KME and FIX presented the best performance. In long-term wear, F-s and C-s, KME, FIX and HD had the best performance. Strong explanatory power between F-s and the Kh (r(2) = 0.85), C-s and the Kh (r(2) = 0.82), long-term wear and F-s of 24 h (r(2) = 0.79) were observed. Conclusions: The data suggested that KME and FIX presented the best in vitro performance. HD showed good results except for early-term wear.
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收藏
页码：233 / 237
页数：5
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