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NDAEB Mock board exam solved questions and answers.
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NDAEB Mock board exam solved questions and answers.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
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