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Effects of various root canal sealers on tooth discoloration and internal bleaching
Yi-San Kim(김이산),Sung-Hyeon Choi(최성현),Kyeong-Eun Youn(윤경은),Ji-Hyun Jang(장지현),Hoon-Sang Chang(장훈상),Yun-Chan Hwang(황윤찬),In-Nam Hwang(황인남),Won-Mann Oh(오원만),Bin-Na Lee(이빈나) 대한치과재료학회 2019 대한치과재료학회지 Vol.46 No.1
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.