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A critical comparison of dentifrice abrasion scores on dentine recorded by gravimetric and radiotracer methods.

Authors
  • Barbakow, F
  • Lutz, F
  • Imfeld, T
Type
Published Article
Journal
Journal of Dentistry
Publisher
Elsevier
Publication Date
Oct 01, 1992
Volume
20
Issue
5
Pages
283–286
Identifiers
PMID: 1452866
Source
Medline
License
Unknown

Abstract

Dentifrice abrasivity on dentine is conventionally ranked by various in vitro methods. The abrasivity of selected dentifrices in Switzerland was ranked in 1985 by the gravimetric and in 1989 by the radiotracer method. Because same-named brands of dentifrices were differently ranked by these methods, Swiss clinicians were unsure which ranking to follow. This paper lists the errors known to occur in both techniques, but unfortunately it is difficult to quantitate the magnitudes of these errors. Consequently, it is impossible to determine which method yields the more reliable results. Thus, researchers should look into the problem of dentifrice abrasion scores and try to formulate tests which could simplify the selection of brand-named dentifrices by clinicians and the consumers.

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