[Dicor Plus. New aspects of full ceramic].
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Ceramics↗
Biomedical subjects
P Vryonis
Publications and source records attributed to P Vryonis.
Spectral distributions of dental colour-matching lamps.
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Color↗
Esthetics and function in multiple unit bridges.
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Cuspid↗
Improving esthetics in porcelain-to-gold restorations.
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Color↗
[Simple method for the formation of a complete porcelain border].
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Crowns↗
A simplified approach to the complete porcelain margin.
The technique described produces a metal-ceramic crown exhibiting excellent esthetic qualities and marginal accuracy superior to that achieved on the cast metal margin. A platinum foil apron or refractory dies are not necessary. A precise shoulder preparation, preferably with two master dies, is required. A chamfer with a bevel, a shoulder with a bevel, or chamfer preparations are not suited to this technique. Quantitative evaluation using a measuring microscope showed that a marginal gap on a crown fabricated on an International Bureau of Standards crown die measured 6 microns at the porcelain shoulder and from 17 to 34 microns on a gold margin of the same crown. On a prepared-tooth, rubber-base compression densite die, the marginal gap on the porcelain shoulder was 10 microns.
Crowns↗