Q&A

Question 1

round burs

Answer 1

1/2 
1/4
2
4
6
8

Question 2

inverted cones

Answer 2

33 1/2, 34 , 35

Question 3

Straight (50s)

Answer 3

56, 57, 58

Question 4

Tapered fissure

Answer 4

69

70

Question 5

cross cut straight fissure burs

Answer 5

556

557

Question 6

cross cut tapered fissure burs

Answer 6

700, 701 702

Question 7

holes punched too close

Answer 7

leaking undue pressue on the papillae

Question 8

too far apart

Answer 8

bunching

leaking & interfering w/access & visibility

Question 9

used & must stabilized with compound in order to prevent slippage or tissue laceration

Answer 9

212 clamp / retractor

Question 10

chemical frequently used is an astringent

Answer 10

ALUM

Question 11

remaining dental thickness

Answer 11

2mm

Question 12

Adverse pulpal reaction deep cavity preparation

Answer 12

Silicate cement

Question 13

Throbbing pain in a specific tooth which is sensitive to pressure & when the pain is aggravated by heat relieved by cold

Answer 13

Suppurative Pulpitis

Question 14

controlled by the extent that the enamel has been directly penetrated by the caries by the lateral spreas of caries along DEJ

Answer 14

Outline

Question 15

withstand the stress being places upon it by occlusion without dislodged.Flat pulpal walls, parallelism of opposing walls

Answer 15

Resistsnce

Question 16

Hold the restoration in position generally accomplished by proximal retentive grooeve

Answer 16

Retention

Question 17

Final step pf cleansing / toilet cavity

Answer 17

Remove all the debris

Question 18

resist displacement of the restoration in any direction & reduction of cusps

Answer 18

Retention form

Question 19

Placing gingival bevel

Answer 19

Margin trimmer
Tapered carbide burs
Fine tapered diamond stones

Question 20

Class 3 cavities which helps to insure the proper line of force for Condensation of direct filling gold

Answer 20

Convenience

Question 21

Retention form for a Class II amalgam preparation achieved by

Answer 21

Facial & Lingual grooves placed at the axial line angle

Question 22

3 types of pin

Answer 22

Cemented
Threaded
Friction Lock

Question 23

create a great deal of stress within the tooth

Answer 23

Friction Locl

Question 24

Most generally accepted

Answer 24

Cemented

Threaded

Question 25

Tipping the cusps for a complex amalgam restoration

Answer 25

2-3mm

Question 26

Porcelain bonded to metal restorations should have

Answer 26

Beveled shoulder- labial surface

Chamfer - lingual

Question 27

70% amalgam alloy , improves strength & decreases flow

Answer 27

Silver

Question 28

26% redcues the expansion & also cut down on the strength & hardness of the resultant alloy

Answer 28

Tin- brittle reducing expansion& hardness

Question 29

scavenger to deoxidize

Answer 29

Zinc

Question 30

comprise bullk

Answer 30

Filler

Question 31

initiator which alloys ultraviolet light to be utilized as an activator rather than a tertiary amine type of chemical

Answer 31

Benzoin Methyl Ether

Question 32

gold alloys increases strength & hardness

Answer 32

Copper

Question 33

used to harden the alloy & palladium less expensive

Answer 33

Platinum

Question 34

provide for the lateral setting & thermal expansion of the investment which compensates for the casting shrinkage of the gold

Answer 34

Asbestos

Question 35

primarily utilized as luting agent for the cementation of gold restoration

Answer 35

Zinc Phosphate

Polycarboxylate

Question 36

base of choice since it act as a mild irritant & stimulates the odontoblast to form secondary dentin, dentin bridge formation

Answer 36

CaOh

Question 37

least irritating frequently used as temporary restorations or thermoinsulating base

Answer 37

ZOE - pulpal sedation

Question 38

improve marginal seal & reduce tooth discoloration

Answer 38

Cavity varnishes

Question 39

contraindicated as base under resin restoration

Answer 39

ZOE