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《Journal of Harbin Medical University》 2002-01
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Comparison of periapical exudation of human teeth with 4 kinds of resinifying agents in vitro

JIN Xing ai, LIU Ying qun, LIU Wen zhu, et al (Department of Pediatric Dentistry, College of Stomatology, Harbin Medical University, Harbin 150001, China)  
Objective To observe and measure the exudating amount of some aldehydes and 4 kinds of phenoaldehyde resins in vitro .Methods Measured 60 freshly extracted, intact, permanent teeth that were filled with 4 kinds of resinifying agents from human subjects by the ultraviolet and visible spectrophotometry.Results The amount of exudation was the most at the first day, decreased sharply at the second day. By q test, the amount of free glutaradehyde from glutaraldehyde resinifying agent (GR) was obviously less than that of formaldehyde from each of 3 kinds of formaldehyde resinifying agent (FR). Conclusion The permeability of GR is weaker than that of FR and this study indicates that during the resinifying therapy, we should protect the apical constriction, know sth. of apical foraminas of patients lest it brings more exudate as stimulus to the periapical tissues.
【CateGory Index】: R781.05
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 YueLin;Wang Manen; (Stomatological College Beijing Medical University ,Beijing(100081);Comparison in the diffusive compositions around the root in vitro of both phenolaldehyde resins[J];口腔医学纵横;1995-01
【Co-citations】
Chinese Journal Full-text Database 2 Hits
1 JIN Xing ai, LIU Ying qun, LIU Wen zhu, et al (Department of Pediatric Dentistry, College of Stomatology, Harbin Medical University, Harbin 150001, China);Comparison of periapical exudation of human teeth with 4 kinds of resinifying agents in vitro[J];哈尔滨医科大学学报;2002-01
2 Wu Jidong, Xiang Lixin, Li Sen et al. Dept of Stomatology, ZheJiang Hospital,Hangzhou 310013;A comparative study on preparation techniques for canals after-resinifying therapy.[J];口腔医学纵横;1999-04
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