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The use of a profilometer for both quantitative and qualitative measurements of toothpaste abrasivity
KTH, School of Engineering Sciences (SCI), Applied Physics, Biomedical and X-ray Physics.ORCID iD: 0000-0001-9573-2850
2010 (English)In: International Journal of Dental Hygiene, ISSN 1601-5029, E-ISSN 1601-5037, Vol. 8, no 3, p. 237-243Article in journal (Refereed) Published
Abstract [en]

Aim: To evaluate the abrasivity of different toothpastes both quantitatively and qualitatively with a profilometer technique and to correlate these findings to the radioactive dentin abrasivity (RDA) value. Materials and methods: Acrylic plates were exposed to brushing in a brushing machine with 11 different toothpastes. The results were evaluated using a profilometer. A surface roughness value (Ra-value), that is, a qualitative measurement, and also a volume value, that is, a quantitative measurement, were calculated from the profilometer results. These values were then correlated to each other and to the RDA-value. A comparison between RDA, Ra and volume measurements was performed using linear fitting procedure. Results: The results showed that the correlation between RDA and Ra measurements was low (R-2 = 0.04) and also that the correlation between RDA and volume measurements was low (R-2 = 0.00002). Correlation between Ra and abraded volume was high (R-2 = 0.87). Conclusions: It is important to consider not only the RDA-value when evaluating toothpaste abrasivity. From the profilometer results both a quantitative (volume) and qualitative (roughness) measurement of the abrasivity of a toothpaste can be obtained.

Place, publisher, year, edition, pages
2010. Vol. 8, no 3, p. 237-243
Keyword [en]
profilometer, RDA-value, toothpaste abrasivity
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:kth:diva-33231DOI: 10.1111/j.1601-5037.2009.00433.xISI: 000289427700012Scopus ID: 2-s2.0-78049450820OAI: oai:DiVA.org:kth-33231DiVA, id: diva2:415796
Note
QC 20110509Available from: 2011-05-09 Created: 2011-05-02 Last updated: 2017-12-11Bibliographically approved

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Liljeborg, Anders V. G.

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