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Evaluation of Microleakage with Retrograde Filling Materials in Blood Contamination  

Cho, Hye-Jin (Department of Conservative Dentistry, School of Dentistry, Chonbuk National University)
Moon, Jhong-Hyun (Department of Conservative Dentistry, School of Dentistry, Chonbuk National University)
Chon, Seong-Min (Department of Conservative Dentistry, School of Dentistry, Chonbuk National University)
Yu, Mi-Kyung (Department of Conservative Dentistry, School of Dentistry, Chonbuk National University)
Publication Information
Journal of Dental Rehabilitation and Applied Science / v.23, no.1, 2007 , pp. 85-93 More about this Journal
Abstract
The purpose of this study was to evaluate the microleakage of root-end filling material filled in blood contaminated root-end cavity and self-etching adhesive placed over blood contaminated resected root apices without root-end preparation. Extracted, human maxillary incisors, canines and mandibular premolar were randomly divided into four groups of 15 teeth each. After canal preparation, resection of the apex and root-end preparation, MTA and IRM were filled in the root-end cavity (A and B group). After canal preparation and resection of the apex, Clearfil SE Bond and Prompt L-Pop were applied over the contaminated root-end surfaces (C and D group). The roots were then subjected to 15cm of water pressure to simulate periapical microleakage stress. Data were analyzed using one-way ANOVA. The results were as follows : 1. All groups showed a tendency of decreasing microleakage in process of time after 2weeks later except IRM group. 2. After 2 weeks and 1 month, MTA group showed less microleakage significantly than other groups(p<0.05). After 2 months, Prompt L-Pop group showed less microleakage significantly than other groups(p<0.05). 3. After 9 months, there were no significant differences among four groups(p>0.05). Thus it is considered that apical sealing using adhesives system without root-end preparation is good method in endodontic surgery.
Keywords
microleakage; root-end filling material; Clearfill SE Bond; Prompt L-Pop;
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