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CC BY-NC-ND 4.0 · Eur J Dent 2016; 10(03): 403-407
DOI: 10.4103/1305-7456.184165
Original Article
Dental Investigation Society

Tooth discoloration induced by a novel mineral trioxide aggregate-based root canal sealer

Dae-Sung Lee
1   Department of Conservative Dentistry, School of Dentistry, Chonbuk National University, Jeonju, Korea
,
Myung-Jin Lim
1   Department of Conservative Dentistry, School of Dentistry, Chonbuk National University, Jeonju, Korea
,
Yoorina Choi
2   Department of Conservative Dentistry, Wonkwang University Dental Hospital, Iksan, Korea,
,
Vinicius Rosa
3   Discipline of Oral Sciences, Faculty of Dentistry, National University of Singapore, Singapore
,
Chan-Ui Hong
4   Department of Conservative Dentistry, School of Dentistry, Dankook University, Cheonan, Korea
,
Kyung-San Min
1   Department of Conservative Dentistry, School of Dentistry, Chonbuk National University, Jeonju, Korea
5   Biomedical Research Institute of Chonbuk National University Hospital, Jeonju, Korea
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Publikationsverlauf

Publikationsdatum:
24. September 2019 (online)

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ABSTRACT

Objectives: The aim of this study was to evaluate tooth discoloration caused by contact with a novel injectable mineral trioxide aggregate (MTA)-based root canal sealer (Endoseal; Maruchi, Wonju, Korea) compared with a widely used resin-based root canal sealer (AHplus; Dentsply De Trey, Konstanz, Germany) and conventional MTA (ProRoot; Dentsply, Tulsa, OK, USA). Materials and Methods: Forty standardized bovine tooth samples were instrumented and divided into three experimental groups and one control group (n = 10/group). Each material was inserted into the cavity, and all specimens were sealed with a self-adhesive resin. Based on CIE Lab system, brightness change (ΔL) and total color change (ΔE) of each specimen between baseline and 1, 2, 4, and 8 weeks were obtained. Results: At all time points, Endoseal showed no significant difference in ΔL and ΔE compared to AHplus and control group (P > 0.05), whereas the ProRoot group showed significantly higher ΔL and ΔE values than the Endoseal group at 2, 4, and 8 weeks (P < 0.05). Therefore, Endoseal showed less discoloration than conventional MTA and a similar color change to AHplus. Conclusions: Within the limitations of this study, our data indicate that the MTA-based sealer produces a similar amount of tooth discoloration as AHplus which is considered to be acceptable.

Key words:

Mineral trioxide aggregate - root canal sealer - spectrophotometry - tooth discoloration
 

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