NDAEB Mock board exam

NDAEB Mock board exam What is the function of a dental liner? - ANS thin layer of material that protects the pulp On what tooth structure is a liner placed? - ANS placed on the deepest portion of the cavity prep What are three unique qualities of Calcium Hydroxide - ANS 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 - ANS 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? - ANS 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? - ANS 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? - ANS soothing to the pulp What is the main function for all liners, bases, varnishes? - ANS All liners and bases replace lost dentin What makes Glass Ionomer Cements so popular? - ANS most widely used, releases fluoride, biocompatible, can be used as a base, liner or a luting cement