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US 4,611,991 AGranted
Apparatus for fixing a plaster cast in an articulator for the production of dental prostheses
AssigneeAlphadent
InventorLucien J. C. Heinix
Life of this patent
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Abstract
Apparatus for fixing a plaster cast in an articulator for producing dental prostheses, including a three-point support (5) which is mainly defined by a body (8) to which two coaxial projections (15,16) are fixed and with which a small lath (11) is slidably received, the longitudinal direction of the lath (11) being perpendicular to the general longitudinal direction of the projections (15,16).
Claims9
An apparatus for fixing a plaster cast in an articulator for the production of a dental prosthesis defining a plane encompassing the pterygomaxillary folds and the papilla incisiva, which apparatus comprises:
- (a) a three-point support for engaging the pterygomaxillary folds and the papilla incisiva;
- (b) the support including a body;
- (c) two coaxial elongate projections secured to the body for engaging the pterygomaxillary folds;
- (d) an elongate lath carried by the body and slidably movable with respect thereto for engaging the papilla incisiva;
- and
- (e) wherein the longitudinal axes of the projections are disposed perpendicular to the longitudinal axis of the lath.
3 more elements
Dependencies are inferred from the claim text.