Korean J Dent Mater.  2019 Mar;46(1):1-10. 10.14815/kjdm.2019.46.1.1.

Effects of various root canal sealers on tooth discoloration and internal bleaching

Affiliations
  • 1Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Chonnam National University, Gwangju, Korea. bnlee13@jnu.ac.kr
  • 2Department of Conservative Dentistry, School of Dentistry, Kyung Hee University, Seoul, Korea.

Abstract

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.

Keyword

Root canal sealer; Tooth discoloration; Non-vital bleaching

MeSH Terms

Calcium
Dental Pulp Cavity*
Endodontics
Gutta-Percha
Pemetrexed
Sodium
Tooth Discoloration*
Tooth*
Calcium
Gutta-Percha
Pemetrexed
Sodium
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