| Literature DB >> 2606267 |
J M Berrong, R L Cooley, E S Duke.
Abstract
The effect of the glass-mm, and 3 mm thicknesses were placed over glass-ionomer bases, and the microhardness of the external surface was compared with that of controls without a base. A significant reduction in surface hardness (p less than 0.05) was determined only for the 1-mm test specimens.Entities:
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Year: 1989 PMID: 2606267 DOI: 10.1016/0109-5641(89)90091-2
Source DB: PubMed Journal: Dent Mater ISSN: 0109-5641 Impact factor: 5.304