Reinforcement wire for material for the impression of decayed tooth

Claim 1

A reinforcement for use with a jerry material such as agar agar, silicone resin and so on, which material is pressed over a decayed tooth, which is made flat at its outer surface, and which projects into a hole provided in the tooth, and is solidified for producing an impression of said tooth for joining thereto an artificial tooth by means of said hole and a corresponding post provided on the artificial tooth; said reinforcement comprising a wire body piece and a plurality of short filaments or staple fibers fixed to said piece and projecting radially outwardly therefrom, said filaments or fibers being engaged in the surrounding jerry material when the wire piece is embedded in the jerry material, particularly in the projecting portion thereof which mates with the hole of the decayed tooth, and wherein the wire body piece comprises a stainless steel wire, and the filaments and fibers are made from nylon or rayon fibers which are electrostatic-bonded to the wire.