Unit 308 - Preventative Dentistry

Question 1

vasoconstriction

Answer 1

narrowing of the blood vessels

Question 2

four methods of administering local anaesthetic in dentistry

Answer 2

infiltration, nerve block, intra-ligamentary and intra-osseous

Question 3

infiltration anaesthetic

Answer 3

anaesthetises gingivae, upper and lower teeth

Question 4

nerve block anaesthetic

Answer 4

anaesthetises with regional anaesthesia

Question 5

three types of nerve block anaesthesia

Answer 5

inferior dental nerve block, mental nerve block and posterior superior dental nerve block

Question 6

intra-osseous anaesthesia

Answer 6

given through the outer part of the alveolar bone and produces profound anaesthesia of immediate tooth

Question 7

class 1 cavity

Answer 7

cavities involving a single surface in a pit or fissure eg. occlusal filling or buccal fillin

Question 8

class 2 cavity

Answer 8

involving at least two surfaces, the mesial or distal, and the occlusal surface of premolar or molar. eg. MO or MOD filling

Question 9

class 3 cavity

Answer 9

involving the mesial or distal surface of an incisor or canine

Question 10

class 4 cavity

Answer 10

involving the mesial, distal and incisal edge of an incisor or canine

Question 11

class 5 cavity

Answer 11

involving the cervical margin of any tooth

Question 12

zinc oxide and eugenol (trade name IRM)

Answer 12

used as a temporary filling,as a lining in deep cavities, during root filling and as a sedative dressing

Question 13

zinc phosphate

Answer 13

used as a temporary filling, as a lining, as a luting cement and for endodontics

Question 14

zinc polycarboxylate

Answer 14

used for temporary filling, luting cement, lining and for endondontics

Question 15

clear strip is also known as

Answer 15

transparent cellulose acetate matrix strip

Question 16

sub gingival calculus

Answer 16

calculus below gum line

Question 17

supragingival calculus

Answer 17

calculus above gum line

Question 18

explain fissure sealing

Answer 18

small bur is used then GIC filled, enamel only

Question 19

cleaning an area is known as

Answer 19

debridement

Question 20

topical anaesthetic is made with

Answer 20

5% lignocaine

Question 21

filling material which adheres to dentine

Answer 21

glass ionomer

Question 22

material comprising of silver alloy and mercury

Answer 22

amalgam

Question 23

material which promotes the formation of secondary dentine and also used for pulp capping

Answer 23

calcium hydroxide (trade name dycal)

Question 24

material used as a sedative in deep fillings (which cannot be placed under composite)

Answer 24

zinc oxide and eugonal (trade name kalzinol)

Question 25

pocket of 7mm or more suggests

Answer 25

furcation

Question 26

matrix bands (narrow or wide) tightened from bottom (used at AmershamDentalCare)

Answer 26

Siqveland matrix retainers

Question 27

matrix band shaped like a bow

Answer 27

ivory matrix retainer

Question 28

matrix band tightened from middle section (looks similar to siqveland matrix retainer)

Answer 28

tofflemire matrix retainer