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Published on: September 27, 2013
[Evaluation of the coronal leakage of fiber posts using different adhesive approaches]
1Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology. Shanghai 200011, China. jackanton@126.com
Purpose:
To test and compare the marginal leakage of radicular dentin cemented with three resin cements.
Methods:
Nine extracted maxillary incisors after endodontically treated were divided into 3 groups(n=3).Fiber posts were inserted using three resin cements: One-Step Plus/DuoLink (OD),ParaCore Automix (PA) and RelyXTM Unicem(RU).All teeth were subjected to thermocycling for 5000 cycles. All teeth were stained in 0.1% basic fuchsin for 24h and then longitudinally sectioned into four parts.Coronal leakage was evaluated. SAS 6.0 software package was used for Kruskal-Wallis test.
Results:
Different resin cements significantly affected the coronal leakage of fiber posts(P<0.001).
Conclusion:
The system RU, which represents a new simplified self-adhesive protocol, performs the best sealing capacity.
