DENTAL RETENTION PIN

摘要

FIELD: medical engineering. SUBSTANCE: part of pin 2 exterior to channel is covered with opaque plastic chemically similar to composite filling materials. Pin 2 itself is joined to plastic holding handle 1 by means of plastic neck 4. Flat is formed on end side of coating 3 of pin 2 for distributing pressure exerted by pin 2 over the surface of dental hard tissues. EFFECT: improved strength and anchoring properties. 2 dwgn