Method of applying an orthodontic aid, and mold therefor

Details Method of applying an orthodontic aid, and mold therefor Method of applying an orthodontic aid, and mold therefor

1991-03-01

1992-05-19

Wilson, John J.

Dentistry

Orthodontics

Method of positioning or aligning teeth

433 3, A61C 300

Patent

active

051143399

ABSTRACT:
The invention relates to a method of applying an orthodontic aid to at least one tooth in a row of teeth. A cast of the row of teeth is made by means of molding and counter-molding. The aid is temporarily secured to the cast in the desired position. A deformable layer of material is applied to the cast with aid, and this layer is deformed to conform to the shape of the cast with aid and thus a mold is formed. The mold with aid is positioned on the row of teeth and the bonding agent applied for securing the aid is allowed to harden in a controlled manner. Then the mold is removed, and the aid remains behind, secured to the row of teeth by means of the bonding agent. According to the invention prior to placing the mold with the aid on the row of teeth, an adhesive layer is applied to at least a part of the surface of the mold, that is brought into contact with the row of teeth. This adhesive layer has weaker adhesive strength than the bonding agent for securing the aid to the row of teeth. When the mold is placed on the row of teeth, it is temporarily retained in that position by means of the adhesive layer. The invention further relates to a mold with an adhesive layer for use in this method.

REFERENCES:
patent: 3738005 (1973-06-01), Cohen et al.
patent: 3949477 (1976-04-01), Cohen et al.
patent: 4516938 (1985-05-01), Hall
patent: 4526540 (1985-07-01), Dellinger
patent: 4609349 (1986-09-01), Cain
patent: 4932866 (1990-06-01), Guis

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