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- Cross-Sectional Microhardness of Human Enamel Subjected to Erosive, Cariogenic or Combined Erosive/Cariogenic Challenges
- Universidade Estadual Paulista (UNESP)
- Universidade de São Paulo (USP)
- Alfenas Fed Univ
- Fundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG)
- This in situ study evaluated the interaction between caries and erosion processes. In the first phase, enamel specimens were subjected to erosion without dental plaque (EO) or to erosion with plaque (EP); in the second phase, they were subjected to erosion plus cariogenic challenge (EC) or cariogenic challenge (CO), both with plaque accumulation. Cross-sectional hardness data (10-330 mu m depth) were tested using ANOVA (alpha = 0.05). EO and EP showed surface softening to 10 mu m depth. CO and EC produced subsurface lesions, of similar depth (up to 220 mu m), with CO showing higher integrated loss of hardness than EC, indicating that cariogenic and erosive challenges did not have an additive effect. Copyright (C) 2010 S. Karger AG, Basel
- Caries Research. Basel: Karger, v. 44, n. 1, p. 29-32, 2010.
- Dental caries
- Dental erosion
- Acesso restrito
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