Under-surface hardness of light-cured nanofilled resin composites of different shades

被引：1
|
作者：
Ramanitya, A. [1 ]
Indrani, D. J. [1 ]
Herda, E. [1 ]
机构：
[1] Univ Indonesia, Dept Dent Mat, Fac Dent, Jakarta, Indonesia
来源：
1ST PHYSICS AND TECHNOLOGIES IN MEDICINE AND DENTISTRY SYMPOSIUM | 2017年 / 884卷
关键词：
DEPTH;
D O I：
10.1088/1742-6596/884/1/012108
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
The objective of the this study was to analyze the under-surface hardness of light-cured nanofilled composite resins of different shades. The specimens were resin composites of each light (B1), medium (A3), and dark (C3) shades packed in a cylinder mold and subsequently polymerized. The hardness was tested using a Knoop system. The hardness test results for the bright (B1), medium (A3), and dark (C3) shades were 82.4+1.1, 75.9+1.2 and 65.9+1.9, respectively, and indicated significant differences between the under-surface hardness of each shade. It was concluded that resin composites of darker to brigher shades demonstrated lower to higher under-surface hardness.
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页数：4
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