Patent ID: 7112061
Filing Date: 2006-09-26
Classification: A61C

Abstract:
1. In combination: a dental articulator including: an upper coupling including: an upper dental model including: an upper rear socket receiving said rear of said upper ball; an upper fastener disposed in said bore of said upper ball and connected to said upper front socket and to said upper rear socket so as to compress said upper ball therebetween; said upper fastener being selectively adjustable between a first position wherein said upper front socket is movable rotationally, up and down, and side to side on said upper ball to a selected position and a second position wherein said upper front socket is fixed in the selected position on said upper ball; a lower coupling including: a lower dental model including: a lower rear socket receiving said rear of said lower ball; a lower fastener disposed in said bore of said lower ball and connected to said lower front socket and to said lower rear socket so as to compress said lower ball therebetween; said lower fastener being selectively adjustable between a first position wherein said lower front socket is movable rotationally, up and down, and side to side on said lower ball to a selected position and a second position wherein said lower front socket is fixed in the selected position on said lower ball; and wherein: said lower arm is approximately twice the length of said upper arm such that the biased predetermined position of said journals approximates the location of the hinge axis of a human jaw relative to said upper teeth.