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- Title
PROTECTIVE ROLE OF ACQUIRED PELLICLE ON ENAMEL EROSION.
- Authors
Stroici, Carmen; Darabă, Oana Maria; Cojocariu, Anca Maria; Bîrgăoanu, Adina; Sachelarie, Liliana; Nazarie, Smaranda
- Abstract
Materials and method: The aim of the study was to evaluate, by several methods, dental erosion in 0.1 and 1.0% citric acid in vitro and to assess the protective potential of the experimentally formed salivary pellicle (24 h in vitro). Enamel slabs were embedded in epoxy resin and polished. Erosion was performed in citric acid for 1, 5 or 10 min, and recorded as calcium release. Results: Significant microhardness loss on non-pelliclecovered specimens was measured after 1min exposure to 0.1 % citric acid. Microhardness loss was time - and concentration - dependent. Salivary pellicle significantly inhibited both microhardness loss, except for the 10 min immersion in 1.0% citric acid. Discussions and conclusions: The results obtained support the general conclusion that salivary pellicle effectively protects enamel surface against short-term erosion in organic acids.
- Subjects
DENTAL enamel; TOOTH erosion; DENTAL pellicle; CITRIC acid; IN vitro studies; EPOXY resins; MICROHARDNESS
- Publication
International Journal of Medical Dentistry, 2012, Vol 16, Issue 4, p272
- ISSN
2066-6063
- Publication type
Article