Dentistry

at a Glance

Elizabeth Kay

Multiple Choice: Chapter 43 Cavity preparation for plastic tooth restorations

Question 1. The appropriate time to restore a tooth is:

A When the tooth becomes sensitive to hot and cold stimuli
B When remineralisation and repair can no longer be expected
C When caries has breached the enamel–dentine junction
D When the tooth begins to look aesthetically displeasing