Dental tooth system

Details Dental tooth system Dental tooth system

1993-07-28

1996-03-26

Lucchesi, Nicholas D.

Dentistry

Prosthodontics

Cutting edge shape or arrangement

433192, A61C 1308, A61C 1310

Patent

active

055015980

ABSTRACT:
A denture tooth system (10) for a partially or completely edentulous patient, comprising a block of denture teeth (12), each tooth including enlarged undercut surfaces (14) disposed thereupon to permit greater mechanical retention to a rigid base to which the block (12) is secured. The denture tooth system (10) also includes a reduced gingival contour (16) to accommodate implanted attachments or bars and one or more teeth opposing the block. Each one or more posterior opposing teeth includes an enlarged central fossa (20). The block (12) is positioned and configured so that only a lingual cusp (22) of a given maxillary posterior tooth occludes with the central fossa (20) of one of the one or more opposing mandibular posterior teeth in centric occlusion.

REFERENCES:
patent: 1665357 (1928-04-01), Gysi
patent: 2072127 (1937-03-01), Pilkington et al.
patent: 2932893 (1960-04-01), Marder
patent: 3252220 (1966-05-01), Goddard
patent: 3305926 (1967-02-01), Gerber
patent: 3316639 (1967-05-01), Shovers
patent: 3947963 (1976-04-01), Haker
patent: 4194288 (1980-03-01), Hass
patent: 4795345 (1989-01-01), Ai et al.

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