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Research Article

How Do Dental Materials React On Tooth brushing?

Georg Tellefsen1*, Anders Liljeborg2 and Gunnar Johannsen1

1Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Sweden

2KTH-Albanova, Nanostructurephysics, Sweden

*Corresponding Author:
Dr. Georg Tellefsen
Department of Dental Medicine, Division of Periodontology
Karolinska Institute, Box 4064, 14104 Huddinge, Sweden
Tel: +46 87536140
E-mail: [email protected]

Received date : October 04, 2015; Accepted date : November 20, 2015; Published date : November 27, 2015

Citation: Tellefsen G, Liljeborg A, Johannsen G (2015) How Do Dental Materials React On Tooth brushing? Dentistry 5:341. doi:10.4172/2161-1122.1000341

Copyright: © 2015 Tellefsen G, 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.


Background: Novel dental materials have created the need for new knowledge, in terms of abrasion both in a quantitative, i.e. how much of the surface that has been abraded as well as in a qualitative way, i.e. the roughness of the surface after brushing. Furthermore, the development of new measuring techniques has created a new interest in this type of research.

Objective: To investigate if and how, different filling-materials and an acrylic are affected by brushing with and without tooth pastes.

Methods: The following dental materials were used: a cold cured acrylic, a flow composite and three different hybrid composites. The specimens were attached to acrylic plates and were exposed to brushing in a brushing machine using water alone and two different toothpastes: a low abrasive toothpaste and a whitening toothpaste. After one and six hours of brushing the results were evaluated using a profilometer. A surface roughness value (Ra-value) was calculated from the profilometer measurements for each material.

Results: Brushing with water alone caused negligible abrasion. There was a clear difference in abrasivity between the two toothpastes. Brushing with Pepsodent Whitening® resulted in a rougher surface than after brushing with Colgate Smiles®.

Conclusions: The present study has shown that toothpaste is needed to create a significant abrasion on dental materials. Most materials exhibited a rougher surface after six hours of brushing than after one hour, however some of the materials obtained a smoother surface indicating a polishing effect between one and six hours of brushing. The surface roughness was dependent on the type of toothpaste used.


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