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Journal of Dental Research
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An Erosion Test for Dental Cements

A.W.G. Walls

Dental Materials Unit, Department of Child Dental Health, University of Newcastle-upon-Tyne, Dental School, Framlington Place, Newcastle-upon-Tyne NE2 4BW, England

J.F. McCabe

Dental Materials Unit, Dental School, Framlington Place, Newcastle-upon-Tyne NE2 4BW, England

J.J. Murray

Department of Child Dental Health, University of Newcastle-upon-Tyne, Dental School, Framlington Place, Newcastle-upon-Tyne NE2 4BW, England

A new method for the in vitro measurement of the erosion of dental cements is described which allows repeated, gentle removal of loose surface debris and provides a direct quantitative measurement of material lost. A linear relationship for erosion against time is demonstrated for a glass polyalkenoate material under mildly acidic conditions. This test method is applicable to all acid/base-type cements and gives results comparable to those from in vivo tests.

Journal of Dental Research, Vol. 64, No. 8, 1100-1104 (1985)
DOI: 10.1177/00220345850640081601
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