Fabricating N. Beheshti, University
a post and core to fit an existing
crown
D.M.D.*
of Tehran,
School of Dental Medicine,
Tehran,
Iran
E
ndodontically treated anterior teeth. often full coverage for esthetic reasons and to provide additional strength. After root canal therapy is satisfactorily completed, the coronal portion of the tooth becomes brittle, increasing the danger of its fracture.’ To avoid this, the construction of a full crown is necessary. It is tempting to prepare the crown of the tooth, make impressions, construct a crown, and cement it into position as quickly as possible.Unless a post has been previously fixed, the dentist will, sooner or later, be confronted with a fractured crown. The following technique describes the fabrication of an individual post and core using the original restoration.
require
-
PROCEDURE 1. Drill the residue of the fractured tooth out of
a post and core to fit an existing
crown
D.M.D.*
of Tehran,
School of Dental Medicine,
Tehran,
Iran
E
ndodontically treated anterior teeth. often full coverage for esthetic reasons and to provide additional strength. After root canal therapy is satisfactorily completed, the coronal portion of the tooth becomes brittle, increasing the danger of its fracture.’ To avoid this, the construction of a full crown is necessary. It is tempting to prepare the crown of the tooth, make impressions, construct a crown, and cement it into position as quickly as possible.Unless a post has been previously fixed, the dentist will, sooner or later, be confronted with a fractured crown. The following technique describes the fabrication of an individual post and core using the original restoration.
require
-
PROCEDURE 1. Drill the residue of the fractured tooth out of
