Advent of Electrolytic etching of base metal paved a path for development of
Correct Answer: Maryland Bridge
Description: A technique for the electrolytic etching of cast base metal retainers was developed at the University of Maryland by
Thompson and Livaditis. Etched-cast retainers have definite advantages over cast-perforated restorations:
Retention is improved because the resin-to-etched metal bond can be substantially stronger than the resin-to-etched enamel. The retainers can be thinner yet still resist flexing.
The oral surface of the cast retainers is highly polished and resists plaque accumulation.
Category:
Dental
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