UNIT 315 AND 313 DENTAL NURSING questions with correct answers

Black's classification 1 - correct answer Single surface filling in a pit or fissure. Black's classification 2 - correct answer 2 or more surfaces (occlusal and mesial, distal, lingual in posterior teeth) Black's Classification 3 - correct answer Single surface on anterior teeth. Mesial or distal but not including Incisal edge Black's Classification 4 - correct answer Two surface of anterior teeth - mesial or distal plus incisal edge Black's Classification 5 - correct answer Any cavity on the neck of the tooth (cervical margin) Black's Classification 6 - correct answer Located in cusps of posterior teeth What is an enamel chisel used for? - correct answer Removing unsupported enamel What does calcium hydroxide do? - correct answer Promotes secondary dentine formation What can zinc oxide and Eugenol be used for? - correct answer As a sedative lining (not underneath composite) What is a millers forcep? - correct answer Holds articulating paper in place What is amalgam made up of? - correct answer 60% silver, copper and traces of zinc/tin What is a choice lining for amalgam fillings? - correct answer Zinc oxide eugenol