The arrroemt, of wrap around given to resist dislodgeInent of Maryland Bridge is?
A. 3600
B. 1800
C. 1450
D. 1000
Ans. (B) "Principles Of Tooth Preparation- (For resin bonded bridges) Definitive lingual ledges should be performed during tooth preparation. This will help to provide retention form for the retainer and assist in positive seating during cementation. Sometimes, the preparation can be extended more than 180 degrees of the tooth circumference in order to enhance retention."
A. 3600
B. 1800
C. 1450
D. 1000
Ans. (B) "Principles Of Tooth Preparation- (For resin bonded bridges) Definitive lingual ledges should be performed during tooth preparation. This will help to provide retention form for the retainer and assist in positive seating during cementation. Sometimes, the preparation can be extended more than 180 degrees of the tooth circumference in order to enhance retention."
No comments:
Post a Comment
BAWA'S INSTITUTE FOR DENTAL SCIENCES