Orthodontic bracket

Details Orthodontic bracket Orthodontic bracket

1995-08-02

1998-07-28

Lucchesi, Nicholas D.

Dentistry

Orthodontics

Bracket

433 9, A61C 300

Patent

active

RE0358630

ABSTRACT:
By using titanium, titanium based alloys, or related metals or alloys, an orthodontic bracket can be manufactured which is lighter and stronger than any conventional type of bracket made of stainless steels, plastics and even ceramics. Ti based brackets have shown excellent corrosion resistance and possess good biocompatibility. Surface treatments including nitriding, diamond coating, pre-oxidation or shot-peening on the slot bottom surface of such brackets reduce the friction coefficient against the orthodontic archwire. Furthermore, the bonding strength may be enhanced by shot-peening, ion beam etching or reactive ion etching on the tooth contact surface of the base portion of the bracket.

REFERENCES:
patent: 4946387 (1990-08-01), Adell
patent: 5044947 (1991-09-01), Sachdeva et al.
patent: 5254003 (1993-10-01), Andreiko
patent: 5288230 (1994-02-01), Nikutowski et al.
patent: 5383784 (1995-01-01), Sernetz
patent: 5454716 (1995-10-01), Banerjee et al.
Rexillium III paper on physical properties (undated).

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