Journal of Oral Tissue Engineering

ORIGINAL ARTICLE
 Effects of Tannin on Experimental Staining of Enamel

 Tomoharu OKAMURA1, Yukino HISANO1, Harumi ISONO1, Katsuhiro SUZUKI1,
Jinhao CUI1, Yuma YAMAMOTO1, Chihoko IKEDA1, Hayato OKA2, Junichi FUJITA2,
and Kazuya TOMINAGA1
1 Department of Oral Pathology, School of Dentistry, Osaka Dental University,
2 Department of English, School of Dentistry, Osaka Dental University,
Osaka, Japan
J Oral Tissue Engin 2022; 20(1): 47-54.
SYNOPSIS
Tooth staining is not detrimental to dental health, but it is a dental problem that occurs frequently. Teeth with coloring problems do not give a healthy impression. The mechanism of tooth staining should be clarified to resolve this embarrassment, but much remains unknown. Tannin is a pigment found in various plants and is known in food and drink as the pigment component of persimmons and wine. In this study, we experimentally stained enamel, which constitutes the superficial layer of the crown of teeth, by reacting with tannin and analyzed the results both visually and digitally, and observed whether the microstructure changed or not, and discussed the relationship with the reaction time.

Key words: tooth staining, enamel, tannin, microstructure, time dependent increase


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J-Stage https://www.jstage.jst.go.jp/article/jarde/20/2/20_jarde20_47/_article
DOI https://doi.org/10.11223/jarde.20.47