NDAEB Mock Board Exam Questions with Verified Solutions

NDAEB Mock Board Exam Questions with Verified Solutions What is the function of a dental liner? thin layer of material that protects the pulp On what tooth structure is a liner placed? placed on the deepest portion of the cavity prep What are three unique qualities of Calcium Hydroxide 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 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? 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? 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? soothing to the pulp What is the main function for all liners, bases, varnishes? All liners and bases replace lost dentin What makes Glass Ionomer Cements so popular? most widely used, releases fluoride, biocompatible, can be used as a base, liner or a luting cement What are Brand Names of Liners, Varnishes Liners- Cavitec, Dycal, Hydrex, Vitrebond, Life, Pulprotex. Varnishes- Caulk, Coplite, Cavaseal, Handiliner How far below the gingival margin should a matrix band be seated? If it doesn't seat that far what is used instead? Matrix Band should be 1 mm below the gingival wall, if not an extension band is used How do we determine the size of the wedge to be used? The size and shape of the embrasure will determine the size of the wedge used Are wedges placed from the facial/buccal or the lingual surface? Wedges are placed from the lingual side. What are the indications for the use of topical anesthetic? prior to injections, prior to rubber dam clamp placement, prior to suture removal, prior to perio dressing placement, for ulcers, to prevent gagging, prior to deep cleaning What is the first thing you would check prior to placing topical anesthetic? First Check medical history for any allergies, assess pain threshold, intra oral conditions. Medical History and allergies are the first priority* What would you need to educate the client about regarding topical anesthetic Educate the CT- purpose and benefits, rate of onset, duration, taste and numbness Odontoblasts Cells that form dentin Cathode -(ve) Anode +(ve) Imbibition Absorption of water, causing an object to swell Polymerization Process of changing a simple chemical into another substance that contains the same elements Pulpectomy Complete removal of vital pulp from a tooth Pulpotomy Removal of the coronal portion of a vital pulp from a tooth Pulpitis Inflammation of the dental pulp Pulp Cap Application of dental material to a cavity prep with an exposed or nearly exposed dental pulp Apicoectomy Surgical removal of the apical portion of the tooth through a surgical opening made in the overlying bone and gingival tissues Obturation Process of filling a root canal Debridement To remove or clean out the pulpal canal