Apparatus for the production of crowns

Claim 1

A DENTAL CROWN-MOLDING APPARATUS ADAPTED TO PRODUCE CROWNS CORRESPONDING TO A PREDETERMINED TOOTH SHAPE AND INCLUDING A PLURALITY OF PERMANENT MOLDS, SAID APPARATUS FURTHER COMPRISING FIRST AND SECOND HALVES, ELONGATED FIRST AND SECOND TROUGHS FORMED IN EACH OF SAID HALVES BEING ADAPTED TO FORM A HOLLOW SPACE IN SAID APPARATUS WHEN SAID HALVES ARE ASSEMBLED, RECESSED PORTIONS IN SAID FIRST HALF EXTENDING PERPENDICULARLY FROM SAID FIRST TROUGH AND HAVING ANATOMICALLY SHAPED CONTOURS CORRESPONDING TO THE LINGUAL CONTOUR OF SAID TEETH, RECESSED PORTIONS IN SAID SECOND HALF EXTENDING PERPENDICULARLY FROM SAID SECOND TROUGH AND HAVING ANATOMICALLY SHAPED CONTOURS CORRESPONDING TO THE LABIAL CONTOUR OF SAID TEETH, SAID RECESSED PORTIONS FORMING SAID PLURALITY OF MOLDS WHEN SAID HALVES ARE ASSEMBLED, CORE ELEMENTS ADAPTED FOR INSERTION INTO EACH OF SAID PERMANENT MOLDS WHEN SAID HALVES ARE ASSEMBLED, AND A BASE MEMBER SECUREDLY HOLDING EACH OF SAID CORE MEMBERS, SAID BASE MEMBER BEING RELEASABLY FITTED WITHIN SAID HOLLOW SPACE WHEN SAID HALVES ARE ASSEMBLED.