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KMID : 1035320190460010001
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Korean Society for Dental Materials
2019 Volume.46 No. 1 p.1 ~ p.10
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Effects of various root canal sealers on tooth discoloration and internal bleaching
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Kim Yi-San
Choi Sung-Hyeon
Youn Kyeong-Eun
Jang Ji-Hyun
Chang Hoon-Sang
Hwang Yun-Chan
Hwang In-Nam
Oh Won-Mann
Lee Bin-Na
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Abstract
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There are several causes of tooth discoloration following root canal treatment. In this study, we evaluated the effects of sealers on tooth discoloration and internal bleaching. Twenty-four teeth were divided into 4 groups: control group, AH plus, Endosequece BC, and MTA fillapex group. Root canal filling was performed using each sealer conventionally and non-vital bleaching was performed with sodium perborate. The L, a, and b values were measured using Vita easyshade. Tooth discoloration after root canal treatment occurs irrespective of the type of sealers and may cause discoloration with only gutta-percha cone. The effect of non-vital bleaching following the use of calcium silicate-based sealers such as Endosequece BC and MTA fillapex was higher than that of AH plus. Therefore, it needs careful use of sealers in endodontics and calcium silicate-based sealers have advantages of bleaching in case of discolored tooth.
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KEYWORD
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Root canal sealer, Tooth discoloration, Non-vital bleaching
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