alexa Comparative Efficacy of Experimental Solutions in Occlu
ISSN: 2161-1122

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Research Article

Comparative Efficacy of Experimental Solutions in Occluding Dentin Tubules: Calcium Phosphate Based and Oxalate-Based Solutions

Haijing Gu, Xiaoyan Zhou, Junqi Ling, Limin Liu, Ziming Zhao and Jinlong Gao*

The University of Sydney Westmead, Australia (NSW)

*Corresponding Author:
Jinlong Gao
Institute of Dental Research, Westmead Centre for Oral Health. Westmead
NSW 2153, Australia
Tel: 6198458772
E-mail: [email protected]

Received date: February 07, 2017; Accepted date: Feburary 15, 2017; Published date: February 21, 2017

Citation: Gu H, Zhou X, Ling J, Liu L, Zhao Z, et al. (2017) Comparative Efficacy of Experimental Solutions in Occluding Dentin Tubules: Calcium Phosphate Based and Oxalate-Based Solutions. Dentistry 7: 411. doi:10.4172/2161-1122.1000412

Copyright: © 2017 Gu H, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



To investigate the efficacy in occluding dentin tubules of a modified calcium phosphate based solution supplemented with fluoride and zinc ions (CaP), dentine discs were separately treated with CaP and certain common desensitizing agents including potassium oxalate solution (OX), modified oxalate solutions supplemented with calcium ions (OX/Ca) or phosphate ions (OX/P) for 8 minutes, followed by occluding abilities evaluation with scanning electron microscopy (SEM). CaP showed the highest per cent of sealed dentin tubules and penetrated the most deeply into the tubules, whereas the oxalate modified and unmodified groups showed predominantly open or partially occluded tubules. OX/Ca and OX/P were more efficient in occluding dentin tubules compared with OX. Furthermore, the occluded material obtained with the experimental CaP solutions was more stable (less susceptible to acid dissolution) compared with those from experimental oxalate solutions. Thus CaP could be a new desensitizing agent in dentin hypersensitivity.


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