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- Title
Ultrasonic investigation of the effect of S-PRG filler-containing coating material on bovine tooth demineralization.
- Authors
MURAYAMA, Ryosuke; FURUICHI, Tetsuya; YOKOKAWA, Miho; TAKAHASHI, Fuminori; KAWAMOTO, Ryo; TAKAMIZAWA, Toshiki; KUROKAWA, Hiroyasu; MIYAZAKI, Masashi
- Abstract
This study investigated the effect of a coating material containing S-PRG fillers on the demineralization of bovine enamel and dentin, by measuring changes in the transmitted ultrasonic velocity. Bovine enamel and dentin specimens with and without coating (ra=6 for each condition) were cut into blocks, immersed in 0.1 M lactic-acid buffer solution (pH 4.75) for 10 min twice daily throughout the test period, and stored in a demineralising artificial saliva solution (pH 7.0) between treatments. The propagation time of longitudinal ultrasonic waves was measured by a pulser-receiver with a transducer. Data were evaluated using ANOVA followed by Tukey's HSD test (a=0.05). The sonic velocity decreased over time for specimens stored in demineralising solution; however, coated specimens had a significantly higher sonic velocity than those without coating. The coating material containing pre-reacted glass-ionomer fillers therefore appeared to reduce the déminéralisation of enamel and dentin.
- Subjects
DIAGNOSTIC ultrasonic imaging; DENTAL glass ionomer cements; SURFACE coatings; TOOTH demineralization; ARTIFICIAL saliva; DENTAL enamel; DENTIN; ANIMAL models in research
- Publication
Dental Materials Journal, 2012, Vol 31, Issue 6, p954
- ISSN
0287-4547
- Publication type
Article
- DOI
10.4012/dmj.2012-153