FIELD: medical engineering.
SUBSTANCE: device has crown part, intra-root part and hollow fixing root part. The cylindrical fixing root part has open-end surface turned towards the intra-root part. Cylinder axis coincides with intra-root part axis. Ratio of internal diameter of the fixing root part to intra-root part diameter in front of fixing root part generatrix is equal to 1.5-6.5.
EFFECT: increased fixation reliability.
21 cl, 3 dwg
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