Dentistry – Apparatus – Work support
Patent
1998-08-03
1999-11-16
Wilson, John J.
Dentistry
Apparatus
Work support
433 56, A61C 300
Patent
active
059846763
ABSTRACT:
The instant invention provides a novel apparatus; a novel method of using the apparatus; and a novel prosthesis made by the method of using the apparatus. The invention provides an apparatus for forming a palatal plate prosthesis of a substantially precise, predetermined uniform thickness, comprising: a frame; a first component further including elements for enabling it to be detachably fixed to each of the first support, the second support and the third support for detachably fixing a first casting to the frame; and pivotally attached to the first support and the second support for enabling a second casting to be pivoted relative to the first casting; wherein the elements are designed for causing the first casting to generally lie in a first horizontal plane when the first component is detachably fixed to the support; and, a second component attached to the upper portion of the frame generally spaced from and parallel to each the support, for movably fixing a second casting to the frame, sufficient for enabling the second casting to lie generally in a second plane which is generally parallel to, and equidistant from, the first horizontal plane when the first component is detachably fixed to the support.
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patent: 4762490 (1988-08-01), Ludwigs
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