Dentistry – Orthodontics – Means to transmit or apply force to tooth
Patent
1995-12-14
1998-12-15
Wilson, John J.
Dentistry
Orthodontics
Means to transmit or apply force to tooth
A61C 300
Patent
active
058488910
ABSTRACT:
The appliance includes a first member and a second member, with the second member being free of a permanent connection with the first member. The first member has an abutment/obstruction element including an abutment surface and an obstruction surface, and a mounting element for mounting the first member to a tooth on one of the maxillary or mandibular jaws. The second member has a buccally extending projection and a mounting member for mounting the second member to a tooth on the other one of the maxillary or mandibular jaws. The first and second members are mounted on the teeth so as to place the obstruction surface in generally vertical alignment with the buccally extending projection when the mandibular jaw is in its uncorrected position. This orientation causes the obstruction surface and buccally extending projection to strike one another when the patient attempts to close the mandibular and maxillary jaws with the mandibular jaw in its uncorrected position. In this manner, complete closure of the mandibular and maxillary jaws is prevented unless the mandibular jaw is advanced in a forward direction from its uncorrected position sufficient to enable the buccally extending projection to clear the obstruction surface. Once the mandibular jaw is so advanced, the patient may close the maxillary and mandibular jaws and bring the buccally extending projection into contact with the abutment surface, so as to enable the buccally extending projection and the abutment surface to assist in maintaining a forward moving force on the patient's mandibular jaw.
REFERENCES:
patent: 4472138 (1984-09-01), Howe
patent: 4472139 (1984-09-01), Rosenberg
patent: 4871310 (1989-10-01), Vardimon
patent: 5324196 (1994-06-01), Magill
patent: 5443384 (1995-08-01), Franseen et al.
Eckhart James E.
Toll Douglas E.
Ormco Corporation
Wilson John J.
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