MDS AIPGDEE preparations B-IDS | To increase the resistance form of an excessively tapered preparation-

To increase the resistance form of an excessively tapered preparation-
a. Reduce the height of preparation to shorten the arc of rotation.
b. Increase the cervical reduction.
c. Add groove
d. Use adhesive cement.

Ans C Add groove

• Increasing taper and rounding off axial angles reduce resistance
• Proximal grooves and boxes enhance resistance
• Partial coverage crowns have less resistance