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

Authors
 Ji Sun Kim  ;  Sun Young Han  ;  Ho Keun Kwon  ;  Baek Il Kim 
Citation
 PHOTOMEDICINE AND LASER SURGERY, Vol.31(8) : 392-397, 2013 
Journal Title
 PHOTOMEDICINE AND LASER SURGERY 
ISSN
 1549-5418 
Issue Date
2013
MeSH
Apatites/therapeutic use ; Combined Modality Therapy ; Dentifrices/chemistry ; Dentifrices/therapeutic use* ; Dentin/drug effects ; Dentin Permeability/drug effects* ; Dentin Permeability/radiation effects* ; Dentin Sensitivity/therapy* ; Humans ; Lasers, Gas/therapeutic use* ; Lasers, Solid-State/therapeutic use* ; Microscopy, Electron, Scanning
Keywords
Apatites/therapeutic use ; Combined Modality Therapy ; Dentifrices/chemistry ; Dentifrices/therapeutic use* ; Dentin/drug effects ; Dentin Permeability/drug effects* ; Dentin Permeability/radiation effects* ; Dentin Sensitivity/therapy* ; Humans ; Lasers, Gas/therapeutic use* ; Lasers, Solid-State/therapeutic use* ; Microscopy, Electron, Scanning
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.
Full Text
http://online.liebertpub.com/doi/abs/10.1089/pho.2012.3470
DOI
10.1089/pho.2012.3470
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Preventive Dentistry and Public Oral Health (예방치과학교실) > 1. Journal Papers
Yonsei Authors
Kwon, Ho Keun(권호근)
Kim, Baek Il(김백일) ORCID logo https://orcid.org/0000-0001-8234-2327
Kim, Ji Sun(김지선)
Han, Sun Young(한선영)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/87131
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