Enamel-bonding etchant and procedure

Details Enamel-bonding etchant and procedure Enamel-bonding etchant and procedure

1988-04-12

1989-02-07

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156625, 156635, 252 792, B44C 122

Patent

active

048029505

ABSTRACT:
A gel-etchant for resin bonding in dentistry includes phosphoric acid, fumed silica, and silicon carbide particles. The silicon carbide adds an abrasive to the etchant gel which permits the combination of the preparatory cleansing step and the application step into one operation. The silicon carbide increases the weight of the gel which aids its rinsability and further functions to indicate the location of the acid gel on the tooth. A procedure for applying the gel etchant eliminates a preparatory cleansing step and includes applicator agitation against the tooth, combined with a shortened rinse time.

REFERENCES:
patent: 4713145 (1987-12-01), Doshi

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