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http://dx.doi.org/10.5395/JKACD.2010.35.5.313

Real-time measurement of dentinal fluid flow during desensitizing agent application  

Kim, Sun-Young (Department of Conservative Dentistry, KyungHee University School of Dentistry)
Kim, Eun-Joo (Department of Dental Hygiene, Dong-Nam Health University)
Lee, In-Bog (Department of Conservative Dentistry, Seoul National University School of Dentistry)
Publication Information
Restorative Dentistry and Endodontics / v.35, no.5, 2010 , pp. 313-320 More about this Journal
Abstract
Objectives: The aim of this study was to examine changes in the dentinal fluid flow (DFF) during desensitizing agent application and to compare permeability after application among the agents. Materials and Methods: A Class 5 cavity was prepared to exposure cervical dentin on an extracted human premolar which was connected to a sub-nanoliter fluid flow measuring device (NFMD) under 20 cm water pressure. DFF was measured from before application of desensitizing agent (Seal&Protect, SP; SuperSeal, SS; BisBlock, BB; Gluma desensitizer, GL; Bi-Fluoride 12, BF) through application procedure to 5 min after application. Results: DFF rate after each desensitizing agent application was significantly reduced when compared to initial DFF rate before application (p < 0.05). SP showed a greater reduction in DFF rate than GL and BF did (p < 0.05). SS and BB showed a greater reduction in DFF rate than BF did (p < 0.05). Conclusions: Characteristic DFF aspect of each desensitizing agent was shown in NFMD during the application procedure.
Keywords
Dentin hypersensitivity; Dentinal fluid flow; Desensitizing agent; Fluid flow measuring device; Permeability;
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Times Cited By KSCI : 2  (Citation Analysis)
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