Simulation of in vivo degradation of dental composites

被引：14

作者：

Sarkar, NK ^{[1
]}

Karmaker, A

Prasad, A

Shih, F

机构：

[1] Louisiana State Univ, Sch Dent, New Orleans, LA 70119 USA

[2] Jener Pentron Inc, Wallingford, CT 06492 USA

[3] USDA, So Reg Res Ctr, New Orleans, LA 70179 USA

来源：

JOURNAL OF MATERIALS SCIENCE LETTERS | 1999年 / 18卷 / 21期

关键词：

D O I：

10.1023/A:1006666808669

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A study was conducted to simulate and characterize degradation, in particular subsurface damage, in three commercial materials including Silux, Prisma Fil and Herculite. Specimens were exposed for two weeks, then sectioned and final polished with 1 μm Al2O3 to reveal the radial subsurfaces damage layer. Scanning electron microscopy (SEM) and energy-dispersive X-ray analysis (EDXA) enabled to characterize the surfaces of specimens exposed for 6h and 1 day, the subsurface degradation in specimens exposed for two weeks, the filtered particles and the surfaces of unexposed control specimens of each brand.

引用

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页码：1749 / 1752

页数：4

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