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Synergistic Effect of Dentinal Tubule Occlusion by Nano-Carbonate Apatite and CO2 Laser In Vitro

Authors
 권호근 ; 김백일 ; 김지선 ; 한선영 
Citation
 Photomedicine and Laser Surgery, Vol.31(8) : 392~397, 2013 
Journal Title
 Photomedicine and Laser Surgery 
ISSN
 1549-5418 
Issue Date
2013
Abstract
Objective: The aim of this study was to evaluate the occluding effects of a combination of dentifrice containing nano-carbonate apatite (n-CAP) and a CO2 laser on dentinal tubules, and to assess the acid resistance of the occluded dentinal tubules produced. Background data: A number of experiments have been conducted recently to relieve the symptoms of dentin hypersensitivity (DH) using a laser in combination with desensitizing products. Materials and methods: One hundred and twenty specimens with exposed dentinal tubules were divided into four groups: the control, n-CAP, laser, and combined groups. Thirty specimens in each group were reassigned into three different conditions: baseline, treatment for occluding dentinal tubules, and acid challenge (pH 4.0 acetate buffer solution for 3 min). At the end of each phase, all specimen surfaces were evaluated by scanning electron microscope (SEM). Results: The combined group had a significantly smaller mean dentinal tubule area than the control group, and the fewest reopened dentinal tubules after acid challenge. Conclusions: The combined therapy is a promising means of treating DH patients in the clinic.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/87131
DOI
10.1089/pho.2012.3470
Appears in Collections:
1. 연구논문 > 2. College of Dentistry > Dept. of Preventive Dentistry
Yonsei Authors
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Link
 http://online.liebertpub.com/doi/abs/10.1089/pho.2012.3470
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