Kinetic analysis of cariogenic bacteria on root dentin caries

2014 Fiscal Year Final Research Report

• Project/Area Number: 24592866
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Conservative dentistry
• Research Institution: Okayama University
• Principal Investigator: OHARA NAOKO 岡山大学, 医歯(薬)学総合研究科, 助教 (80301365)
• Co-Investigator(Kenkyū-buntansha): YOSHIYAMA Masahiro 岡山大学, 医歯薬学総合研究科, 教授 (10201071) ; OHARA Naoya 岡山大学, 医歯薬学総合研究科, 教授 (70223930)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Keywords: 根面う蝕 / う蝕誘発モデル / う蝕細菌

Outline of Final Research Achievements

In this study, root caries-induced model was constructed in vitro using the oral streptococci or Actinomyces species. With respect to the change of bacterial species and culture conditions, the penetration depth and dentinal tubules diameter into the dentinal tubules in the lesion of root surface caries were analyzed. As the results, it was indicated that the number of colonization and dentin invasion depended on bacterial species. These findings suggest that bacterial infection of root dentin caries are heavily involved in dental caries pathology.

Free Research Field

歯科保存学