2013 Fiscal Year Final Research Report

Establishment of remineralization of dentin caries lesions using PRG materials

Research Project

Project/Area Number	24792037
Research Category	Grant-in-Aid for Young Scientists (B)
Allocation Type	Multi-year Fund
Research Field	Conservative dentistry
Research Institution	Nihon University
Principal Investigator	YASUDA Genta 日本大学, 歯学部, 非常勤医員 (50579977)
Research Collaborator	MIYAZAKI Masashi 日本大学, 歯学部, 教授 (70239391) KUROKAWA Hiroyasu 日本大学, 歯学部, 助教 (10291709)
Project Period (FY)	2012-04-01 – 2014-03-31
Keywords	機能性高分子材料 / 脱灰抑制 / 再石灰化 / S-PRG
Research Abstract	This study evaluated the effect of pre-reacted glass-ionomer (PRG) filler extraction solution on demineralization of bovine enamel by measuring changes in the ultrasound transmission velocity. No changes in sonic velocity were found for specimens stored in the PRG filler extraction solution, indicating that the PRG extraction solution had an effect on inhibiting the demineralization of bovine enamel. Within the limitations of this in vitro study, it can be concluded that the S-PRG filler extraction solution has an ability to prevent demineralization of the enamel. Released ions such as Al, BO, Si, Sr, the S-PRG fillers might improve the acid resistance of teeth.

(4 results)