Production of a negative mould for use in producing of a dental prosthesis, a temporary or permanent crown or bridge

摘要

For producing a mother matrix mould
of a full or partial dental prosthesis orof a temporary crown or bridgeor of a permanent crown or bridge,the data of a digitalised virtual model reflecting the status of the jaw is used to generate a data setof the digital tooth set-up of the full or partial dental prosthesis orof the temporary crown or bridge orof the permanent crown or bridge,based on which a rapid manufacturing or rapid prototyping method is used to produce a functional model of the full or partial dental prosthesis or of the temporary crown or bridge or of the permanent crown or bridge that is then invested in a curable elastic impression material from which the mother matrix mould is produced after curing the elastic impression material.

主权项

1. Method for the production of full or partial dentures according to a digitalised virtual model reflecting the jaw status, comprising the steps
P-A generating a data set of the virtual model from data of the digital record of the jaw status and jaw relation or from the impression taken by the dentist; P-B digital tooth set-up based on the data set from step PA; P-C generating a functional model from the data set of the digital tooth set-up PB using a rapid manufacturing or rapid prototyping method; P-D investing the functional model from step PC in a curable elastic impression material and curing the curable elastic impression material; P-E removing the functional model from the cured elastic impression material while the investment stays behind; P-F inserting stock teeth into the investment; P-G filling the remaining hollow space of the investment with denture plastic material to form the dentures; P-H curing and finishing the dentures.