A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 7/00 (2006.01) A61C 7/14 (2006.01) A61C 9/00 (2006.01)
Patent
CA 2057729
Title: Method of applying an orthodontic aid, and mould therefor 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 moulding and counter-moulding. 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 mould is formed. The mould 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 mould 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 mould with the aid on the row of teeth, an adhesive layer is applied to at least a part of the surface of the mould, 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 mould 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 mould with an adhesive layer for use in this method.
Guis Marinus B.
Guis Marinus B.
Macrae & Co.
Orthodontie Research B.v.
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