A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
83/22
A61C 13/00 (2006.01)
Patent
CA 1136452
16648 TITLE OF THE INVENTION ARTIFICIAL TEETH THAT MINIMIZE STRESSES ON DENTURE SUPPORTING TISSUE ABSTRACT OF THE DISCLOSURE Artificial posterior teeth of non-interlocking construction having flat surfaces parallel to the plane of lateral tooth movement that form a major portion of the occlusal surfaces. Since the teeth can freely slide laterally on one another, side stresses that would tend to shift the dentures are avoided, even though a cross-bite setup is used. Each tooth has a laterally extending, food positioning and holding groove and one or more spillways thereon that permit fluids and comminuted food to escape, thereby reducing hydraulic pressure.
337598
Gowling Lafleur Henderson Llp
Hass Martin A.
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