Method for designing a connector

Details Method for designing a connector Method for designing a connector

2007-09-18

2010-06-01

Patel, Ramesh B (Department: 2121)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C433S213000, C433S001000, C433S190000, C700S163000, C700S182000

Reexamination Certificate

active

07729794

ABSTRACT:
A method for designing a connector between a first and a second element of a dental restoration, such as a connector between coping and coping, or coping and pontic, or pontic and pontic of a bridge, which is characterized by the steps of computing a (first) model of the first element and a (second) model of the second element, defining a connecting straight line between the first model and the second model, computing edge curves (γ0, γ4) on the first model and the second model, whereby the edge curves are defined by origins of surface normal vectors of the models, which satisfy boundary conditions relative to the connecting line, computing offset curves (γ1, γ3) on the first model and the second model from the first edge curves, and connecting the first edge curves and the offset curves of the first model and of the second model and computing the connector on the basis of the course of the connection between the curves.

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http://web.wieland-dental-systems.com/uploads/tx—pxwldownloads/DentalDesigner—GB.pdf, Dental designer, 2007, pp. 50-66.
An Tao et al, Computer Aided Design and Manufacturing of the Framework of PFM Fixed Bridge, Nov. 2006, pp. 1-5.
Wolfgang, A Survey of curve and surface methods in CAGD 1983, pp. 1-61.

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