Coated dental article

Dentistry – Orthodontics – Bracket

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433 17, 433 23, A61C 300

Patent

active

052038041

ABSTRACT:
A dental article is coated with a hard carbon coating of polycrystalline diamond, diamond-like amorphous hydrogen-free carbon, diamond-like hydrogenated amorphous carbon, or combinations thereof. The hard carbon coating presents a barrier to nickel and chromium that might otherwise diffuse from an underlying metal substrate, and as such is useful for patients exhibiting sensitivity to nickel and chromium.

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