Effect of artificial saliva on permeability of dentin treated with phosphate containing desensitizer measured by digital flow meter

Masafumi Kanehira, Hiroshi Ishihata, Yasuyuki Araki, Hidekazu Takahashi, Keiichi Sasaki, Werner J. Finger

研究成果: Article査読

2 被引用数 (Scopus)

抄録

The aim of this study was to investigate the effects of artificial saliva on permeability measured using a highly sensitive digital flow meter of dentin discs treated with a phosphate containing desensitizer compound (Teethmate desensitizer; TD). Four random groups (n=10) were treated either with TD or distilled water (DW), then stored in artificial saliva (AS) or DW for 1 day, 1 week and 1 month. Flow rates under 2 kPa pressure were calculated as percentage reduction (PR%) from the baseline. The PR% of TD/AS group was significantly lower after 1 day and 1 week, but the PR%s of 1 month groups among TD/AS, TD/DW and DW/AS were not significantly different. The SEM photograph of TD/AS group displayed that the dentin surface was densely covered with mineral deposits. Ca and phosphate ions from the artificial saliva could penetrate into the tubules and precipitate as hydroxyapatite, resulting in the reduction in permeability.

本文言語English
ページ(範囲)963-969
ページ数7
ジャーナルDental materials journal
38
6
DOI
出版ステータスPublished - 2019

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • 歯科学(全般)

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