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초록보기

Objectives: The aim of this study was to determine an appropriate application duration of sodium ascorbate (SA) antioxidant gel in reducing microleakage of bonded composite restoration in intracoronally-bleached teeth. Materials and Methods: Eighty endodontically-treated human incisors were randomly divided into eight groups: control, no bleaching; IB and DB, immediate and delayed bonding after bleaching, respectively; S10m, S60m, S24h, S3d and S7d, bleaching + SA gel for 10 min, 60 min, 24 hr, 3 day and 7 day, respectively. For bleaching, a mixture of 30% hydrogen peroxide and sodium perborate was applied for 7 day. All access cavities were restored using One-Step adhesive (Bisco Inc.) and then Aelite LS Packable composite (Bisco Inc.). The bonded specimens were subjected to 500 thermal cycles, immersed in 1% methylene blue for 8 hr, and longitudinally sectioned. Microleakage was assessed with a 0 –4 scoring system and analyzed using nonparametric statistical methods (α = 0.05). Results: Group IB showed a significantly higher microleakge than the control group (p = 0.006) and group DB a statistically similar score to the control group (p > 0.999). Although groups S10m, S60m, and S24h exhibited significantly higher scores than group DB (p < 0.05), the microleakage in groups S3d and S7d was statistically similar to that in group DB (p = 0.771, p > 0.999). Conclusions: Application of SA gel for 3 day after nonvital bleaching was effective in reducing microleakage of composite restoration in intracoronally-bleached teeth.

권호기사

권호기사 목록 테이블로 기사명, 저자명, 페이지, 원문, 기사목차 순으로 되어있습니다.
기사명 저자명 페이지 원문 목차
In-depth morphological study of mesiobuccal root canal systems in maxillary first molars : review Seok-Woo Chang, Jong-Ki Lee, Yoon Lee, Kee-Yeon Kum pp.2-10

The effect of clinical performance on the survival estimates of direct restorations Kyou-Li Kim, Cheol Namgung, Byeong-Hoon Cho pp.11-20

Comparison of the centering ability of Wave·One and Reciproc nickel-titanium instruments in simulated curved canals Young-Jun Lim, Su-Jung Park, Hyeon-Cheol Kim, Kyung-San Min pp.21-25

Apical foramen morphology according to the length of merged canal at the apex Hee-Ho Kim, Jeong-Bum Min, Ho-Keel Hwang pp.26-30

Cyclic fatigue resistance tests of nickel-titanium rotary files using simulated canal and weight loading conditions Ok-In Cho, Antheunis Versluis, Gary S.P. Cheung, Jung-Hong Ha, Bock Hur, Hyeon-Cheol Kim pp.31-35

Inhibitory effect on Streptococcus mutans and mechanical properties of the chitosan containing composite resin Ji-Sun Kim, Dong-Hoon Shin pp.36-42

Effective application duration of sodium ascorbate antioxidant in reducing microleakage of bonded composite restoration in intracoronally-bleached teeth Jae-Young Park, Tae-Yub Kwon, Young-Kyung Kim pp.43-47

Autogenous tooth transplantation for replacing a lost tooth : case reports Ji-Youn Kang, Hoon-Sang Chang, Yun-Chan Hwang, In-Nam Hwang, Won-Mann Oh, Bin-Na Lee pp.48-51

Statistical notes for clinical researchers : assessing normal distribution (2) using skewness and kurtosis 김혜영 pp.52-54

Management of root canal perforation by using conebeam computed tomography 민경산 pp.55-56

참고문헌 (18건) : 자료제공( 네이버학술정보 )

참고문헌 목록에 대한 테이블로 번호, 참고문헌, 국회도서관 소장유무로 구성되어 있습니다.
번호 참고문헌 국회도서관 소장유무
1 The effect of oxygen inhibition on an unfilled/filled composite system. 네이버 미소장
2 The prognosis of bleached root-filled teeth. 네이버 미소장
3 The Effect of Elapsed Time Following Bleaching on Enamel Bond Strength of Resin Composite 네이버 미소장
4 Influence of intermediary filling material on microleakage of intracoronally bleached and restored teeth. 네이버 미소장
5 Effects of two antioxidants on the microleakage of resin-based composite restorations after nonvital bleaching. 네이버 미소장
6 Effect of nonvital bleaching with 10% carbamide peroxide on sealing ability of resin composite restorations 네이버 미소장
7 Effect of Sodium Ascorbate and the Time Lapse before Cementation after Internal Bleaching on Bond Strength between Dentin and Ceramic 네이버 미소장
8 Reversal of Compromised Bonding to Oxidized Etched Dentin 네이버 미소장
9 Effect of nonvital tooth bleaching on microleakage of resin composite restorations. 네이버 미소장
10 The Effect of Hydrogel and Solution of Sodium Ascorbate on Bond Strength in Bleached Enamel 네이버 미소장
11 Effect of non‐vital tooth bleaching on microleakage of coronal access restorations 네이버 미소장
12 Reaction kinetics of sodium ascorbate and dental bleaching gel 네이버 미소장
13 The pecking order of free radicals and antioxidants: lipid peroxidation, alpha-tocopherol, and ascorbate. 네이버 미소장
14 Ascorbate function and metabolism in the human erythrocyte. 네이버 미소장
15 Ascorbic Acid Oxidation by Hydrogen Peroxide 네이버 미소장
16 Biology of free radical scavengers: an evaluation of ascorbate. 네이버 미소장
17 Transport of ascorbic acid and other water-soluble vitamins. 네이버 미소장
18 Microleakage comparison of glass-ionomer and white mineral trioxide aggregate used as a coronal barrier in nonvital bleaching. 네이버 미소장

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