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http://dx.doi.org/10.5395/JKACD.2004.29.4.365

An electrochemical study of the sealing ability of three retrofilling materials  

Park, Dong-Sung (Department of Conservative Dentistry, The Institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Sohn, Suh-Jin (Department of Conservative Dentistry, The Institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Oh, Tae-Seok (Department of Conservative Dentistry, The Institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Yoo, Hyun-Mi (Department of Conservative Dentistry, The Institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Park, Chan-Je (Department of Conservative Dentistry, The Institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Yim, Soon-Ho (Department of Prosthodontics, The Institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Lee, Young-Kyoo (Department of Periodontology, The Institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Kye, Seung-Bum (Department of Periodontology, The Institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Publication Information
Restorative Dentistry and Endodontics / v.29, no.4, 2004 , pp. 365-369 More about this Journal
Abstract
The purpose of this study was to evaluate the apical sealing ability of Super-EBA, MTA and Dyract-flow as retrofilling materials. Forty-eight extracted human teeth with straight and single root canal were used in this study. The root canals were prepared to a #40 apical canal size and obturated with gutter-percha. Apicoectomies were performed and root end cavities were prepared to a depth of 3mm using an ultrasonic device. The root end cavities were filled with Super-EBA, MTA or Dyract-flow. Leakage was measured using an electrochemical technique for 4 weeks. According to this study, the results were as follows. 1. Increasing leakage with time was observed in all groups. 2. No significant difference was noted among the 3 groups with time (p =0.216). 3. No significant difference was noted among the 3 groups when measured within the same time interval (p =0.814). The results of this study suggest that the sealing ability of Dyract-flow is equal to that of Super-EBA and MTA, and Dyract-flow may be an alternative to other materials for root-end filling.
Keywords
Retrofilling materials; Super-EBA; MTA; Dyract-flow; Electrochemical study; Apical leakage;
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