(under subclass 215) Subject matter relating to either (1) a device or material applied to a natural tooth to form an intermediate layer between the tooth and a filling, crown, etc., to be applied to the tooth, or (2) any treating or protective material that is applied to the teeth to form a film thereon.
SEE OR SEARCH THIS CLASS, SUBCLASS:
80, for apparatus for dispensing and applying coatings to the teeth.
228.1+, for a method which includes the step of applying a restorative composition or cement to fill a tooth or cover its face (bonding).
SEE OR SEARCH CLASS
106, Compositions: Coating or Plastic,
35, for a protective coating composition, per se, adapted to be applied to a tooth to form a structural barrier thereon.
424, Drug, Bio-Affecting and Body Treating Compositions, appropriate subclasses for treating compositions applied to natural teeth.
