NDAEB Mock board exam questions with correct answers

What is the function of a dental liner? - Answer thin layer of material that protects the pulp On what tooth structure is a liner placed? - Answer placed on the deepest portion of the cavity prep What are three unique qualities of Calcium Hydroxide - Answer protects the pulp from chemical irritation, stimulates production of secondary dentin, compatible with all types of materials. What are the three types of Pulpal stimuli - Answer Physical, Mechanical, Chemical & Biologic Can Varnish be placed under all restorative materials? If not, with which materials is it contraindicated? Is there an alternative material that is similar? - Answer Varnishes are used under Amalgams only, they are corrosive to composite resins. A Dentin Sealer would be used instead of a varnish. What does an insulating base do for a tooth? - Answer Insulating Base- placed in a deep cavity prep to protect the tooth from thermal shock. Protective Base- placed when it's necessary to protect the pulp before the restoration is placed ( without it there could be post op sensitivity) Sedative Base- help soothe a pulp that has been damaged during the process of removing decay. What effect does eugenol have on the pulp? - Answer soothing to the pulp