Evaluation of ceramic margins for metal-ceramic restorations
1985; Elsevier BV; Volume: 54; Issue: 1 Linguagem: Inglês
10.1016/s0022-3913(85)80056-1
ISSN1097-6841
AutoresJoseph P. Cooney, W. Richter, Michael I. MacEntee,
Tópico(s)Dental materials and restorations
ResumoThis study evaluated various techniques for forming ceramic margins on metal-ceramic restorations. Marginal openings were measured using a scanning electron microscope on replicas derived from elastomeric impressions. Ceramic margins formed with a platinum foil backing showed significantly better fit than those formed with direct-lift techniques. With the platinum foil method these ceramic margins displayed a marginal fit comparable to that obtained with cast metal margins.
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