Fabrication aiding apparatus

Details Fabrication aiding apparatus Fabrication aiding apparatus

2011-07-05

2011-07-05

Shechtman, Sean P (Department: 2121)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S182000, C433S223000, C345S581000, C345S441000, C703S011000

Reexamination Certificate

active

07974721

ABSTRACT:
A fabrication aiding apparatus capable of easily and properly setting a margin line is provided. The apparatus includes a RAM (Random Access Memory) to store three-dimensional shape data on a model of an abutment tooth to which a dental prosthesis is applied, an accepting section to accept the input of specification of an angle formed between a line defining a contact point and a reference axis on a face containing the reference axis in the model, a contact point detecting section to detect, based on the three-dimensional shape data, three-dimensional position information about a contact with the line forming a specified angle with the reference axis on the face containing the reference axis in the model, and a margin determining section to determine, based on coordinates of a contact point, three-dimensional position information of a margin line in the model.

REFERENCES:
patent: 5417572 (1995-05-01), Kawai et al.
patent: 2006/0183082 (2006-08-01), Quadling et al.
patent: 5-269146 (1993-10-01), None
patent: 2000-185060 (2000-07-01), None
patent: 3460741 (2003-08-01), None

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