Refractory die with pin for teeth restoration and method
OwnerJohn G. Pawlusinventor
Life of this patent
Estimating the term…
Abstract
A refractory die removably mountable to a base with a model die for use in producing a crown or veneer to be attached to a tooth to be restored. The model die, produced from die stone, is removably mounted to the base with a portion of the model die corresponding to the tooth to be restored being separable therefrom and used to produce the refractory die. Porcelain is placed on the refractory die to produce the crown or veneer.
Claims13
A method of producing replacement material to restore a first tooth within a set of teeth comprising the steps of:
- creating a first impression of a set of teeth with a first tooth;
- creating from said impression a model die of said set of teeth with said model die having a first portion corresponding to said first tooth to be restored;
- providing mounting pins;
- providing a pin with an enlarged section;
- mounting said mounting pins to said model die;
- mounting said pin with enlarged section to said first portion so said enlarged section projects therefrom;
- creating a base adjacent said model die enclosing said pins and said enlarged section of said pin;
- removing said model die with said pins and said pin with enlarged section from said base;
- severing said model die into multiple portions including at least said first portion with said enlarged section projecting therefrom and a second portion;
- creating a second impression of said first portion with said enlarged section projecting therefrom;
- creating a first refractory die from said second impression providing a replica from refractory material of said tooth and said enlarged section projecting therefrom;
- mounting said refractory die and said second portion onto said base by inserting said pins and said replica of said tooth and enlarged section into said base;
- and,
- placing material onto said refractory die to enable said first tooth to be restored.
A pin for mounting a refractory tooth die comprising:
- a main body including a top end, a bottom end, a front and a back, said main body being cylindrical at said top end and having a middle portion between said top end and said bottom end, said middle portion being tapered and having a pair of opposite sides extending from said back to said front which diverge as said sides extend from said back to said front, said front being rounded as it extends between said opposite sides;
- and:
- said opposite sides diverge as said sides extend from said bottom end toward said top end, said front and back diverge as said front and back extend from said bottom end toward said top end;
- said main body includes a longitudinal axis and said middle portion includes an upper portion whereat said opposite sides extend parallel to said axis, said front and back only diverge between said bottom end and said upper portion, said back is rounded as it extends between said opposite sides and said bottom end is cylindrical.
A combination for use in producing a crown or veneer for a damaged tooth within a set of teeth comprising:
- a base;
- a multi part model die of a set of teeth removably mounted to said base, said model die including a damaged tooth portion separable from said model die and corresponding to a damaged tooth within said set of teeth, said portion removably mounted independently of said model die to said base;
- a pin mounted to said portion of said model die with said pin having an enlarged section extending outwardly from said portion and into said base;
- and,
- a refractory die removably mounted independently from said model die to said base, said refractory die replicating and replacing said portion with said pin.
Dependencies are inferred from the claim text.