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Zoekopdracht: faculteit: "ACTA" en publicatiejaar: "2009"

AuteursC.C. Bonifacio, C.J. Kleverlaan, D.P. Raggio, A. Werner, R.C.R. de Carvalho, W.E. van Amerongen
TitelPhysical-mechanical properties of glass ionomer cements indicated for atraumatic restorative treatment
TijdschriftAustralian Dental Journal
Jaargang54
Jaar2009
Nummer3
Pagina's233-237
ISSN00450421
FaculteitACTA
SamenvattingBackground:  This study evaluated mechanical properties of glass ionomer cements (GICs) used for atraumatic restorative treatment. Wear resistance, Knoop hardness (Kh), flexural (Fs) and compressive strength (Cs) 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. Fs, Cs, 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, Fs and Cs, KME, FIX and HD had the best performance. Strong explanatory power between Fs and the Kh (r2 = 0.85), Cs and the Kh (r2 = 0.82), long-term wear and Fs of 24 h (r2 = 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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