A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
83/24
A61C 13/00 (2006.01) A61C 13/10 (2006.01)
Patent
CA 1072783
Abstract Of Disclosure An artificial tooth for use in a denture compris- ing a base portion, an occlusal portion, and an intermediate portion sandwiched between and secured to the base portion and occlusal portion, the intermediate portion being resil- ient to permit the occlusal portion yieldably to move rela- tive to the base portion. The intermediate portion is dis- posed generally at equal vertical distances from the occlu- sal surface of the occlusal portion and the ridge lap sur- face of the base portion. Anchor wires or other connecting members are provided for limiting the movement of the oc- clusal portion relative to the base portion. Each anchor wire may preferably be rigidly connected to the occlusal portion and loosely pivotally connected to the base por- tion with the anchor wire extending downwardly through the sandwiched intermediate portion. The loose pivotal con- nection permits the occlusal portion to move from its normal position toward the base portion even by tipping movement. Two such anchor wires, spaced apart in the central mesial-distal plane of the tooth, prevent the occlusal portion from twisting relative to the base portion. The anchor wires prevent the occlusal portion from moving from its normal position away from the base portion.
241656
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