US PATENT SUBCLASS 433 / 220
.~.~.~ By post

Current as of: June, 1999
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433 /   HD   DENTISTRY

215  DF  METHOD OR MATERIAL FOR TESTING, TREATING, RESTORING, OR REMOVING NATURAL TEETH {6}
218  DF  .~ Crown {3}
219  DF  .~.~ Attachment to natural tooth or adjacent crown {1}
220.~.~.~ By post {1}
221  DF  .~.~.~.~> Having surface grooves or ridges

DEFINITION

Classification: 433/220

By post:

(under subclass 219) Subject matter wherein the crown is secured or positioned on the natural tooth by an elongated member extending vertically into both the crown and the natural tooth.

SEE OR SEARCH THIS CLASS, SUBCLASS:

211, for method or means for securing a connecting pin to an artificial tooth facing, the connecting pin adapted to be used to fasten the tooth to a backing or plate.