Dentistry

at a Glance

Elizabeth Kay

Multiple Choice: Chapter 53 Bridges

Question 1. Which one of the following statements is true?

A In a hybrid fixed–movable bridge the matrix component is usually incorporated within the adhesive bridge component
B All fixed movable bridges are contraindicated in long span situations
C When using conventional fixed–movable bridges, the pontic is connected rigidly to the smaller retainer at one end and via a movable connector to the larger retainer at the other end
D Conventional fixed–fixed bridges are usually cemented in place using a resin cement
E In general, cantilever resin-retained bridges are not preferred over a fixed–fixed design because they are mechanically weaker