Finishing & Polishing
Finishing & Polishing CATEGORY DESCRIPTION
Effective finishing/polishing enhances dental esthetics while maximizing restoration strength, maintaining compatibility of occlusal relations and preventing biofilm/plaque retention.
Diamond finishing burs produce clean cuts and a high polish via grinding when material removal is not a concern, with finer grits producing a higher polish/finish. Carbide burs employ cutting to chip away substrate with greater precision than that achieved with grinding, and help conserve natural tooth structure by differentiating between soft composite and hard enamel. Specialized carbide burs enable trimming and finishing of tooth-colored plastic filling materials.
Many polishing systems employ disks, points and cups with rubber impregnated with diamonds, aluminum oxide or aluminum oxide-silicone-carbide. Other systems feature abrasive-coated polishing discs.
Ceramic polishers frequently incorporate embedded aluminum oxide, diamond-impregnated polishing brushes and felt discs for use after adjustments are made to fired porcelain. Also available are pastes that produce an ultra-high-shine polish with polishing cups, silicone polishers, and even rotary carbide burs.
An increasing trend toward finishing/polishing systems that reduce the number of required steps includes carbide burs that produce polishing-ready surfaces and silicone polishers that create a glossy shine on all tooth-colored direct restorative materials. These reusable instruments vary the amount of material removed according to the pressure applied, eliminating the need to change instruments.
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