Resto

Question 1

Affected dentin (2)

Answer 1

Subtransparent dentin

Transparent dentin

Question 2

Infected dentin (2)

Answer 2

Turbid

Infected dentin

Question 3

Affected dentin characteristics (3)

Answer 3

Dry leathery texture

Capable to remineralize

Question 4

Infected dentin characteristics

Answer 4

Soft mushy or cheesy texture

Question 5

Zone of carious enamel

Answer 5

Translucent zone
Dark
body
Surface

Question 6

Zone of bacterial invasion

Presence of bacteria in tubules

Answer 6

Turbid dentin

Question 7

Demineralized softened dentin but no bacteria in tubules

Answer 7

Transparent dentin

Question 8

Outermost carious zone with numerous mo

Answer 8

Infected dentin

Question 9

Enamel aka substantia ____
Inorganic:___
Organic:_____

Answer 9

Adamantina
96-98%
2-4%

Question 10

Dentin aka substantia ____
Inorganic
Organic

Answer 10

Ebornea
70 inorg
30 organic

Question 11

Cementum aka substantia ____
Inorganic:___
Organic:____

Answer 11

Ossea

50%50%

Question 12

Grass like or bush like or ribbon like hypomineralize enamel arising from DEJ

Answer 12

Enamel tufts

Question 13

Hypomineralize enamel arising from DEJ or outer surf longer than tufts

Hair like strands

Answer 13

Enamel lamellae

Question 14

Extensions of odontoblastic processes of enamel

Answer 14

Enamel spindle

Question 15

Similar to bone

Answer 15

Cementum

Question 16

Loc where fastest progression of caries

Answer 16

Dej

Question 17

Dead odontoblast with empty tubules are known as

Answer 17

Dead tracts

Question 18

Bleaching lasts ….

Answer 18

6 mos to 1 yr

Question 19

Process of setting of amalgam

Answer 19

Crystallization process

Question 20

Corrosion by product of amalgam

Answer 20

Tin sulfide

Question 21

High mercury in amalgam result to

Answer 21

Excessive expansion of amalgam

Question 22

Mercury alloy ratio by weight

Answer 22

8: 5 old
1: 1 EAMES TECHNIQUE

Question 23

Amalgam alloy less condensation force needed with faster working time

Answer 23

Spherical

Question 24

Am alloy particle need more condensation and is easier to carve

Answer 24

Admixed

Question 25

Am alloy need most amount of mercury

Answer 25

Irregular

Question 26

Am alloy need least amount of mercury

Answer 26

Spherical

Question 27

Am rxn strongest and corrodes least Rxn bet ___ and ____

Answer 27

Gamma phase | Silver, tin

Question 28

Second strongest phase of am rxn | With most numerous amalgam

Answer 28

Gamma one phase | Silver, mercury

Question 29

Weakest and softest am rxn | Prone to microporosities

Answer 29

Gamma 2 phase | Tin, mercury

Question 30

Seen in high copper am

Answer 30

Copper tin phase

Question 31

% of copper in low copper amalgam

Answer 31

<6% cu | Or <10% other source

Question 32

% of copper in high copper amalgam

Answer 32

>9%-30% | 10%- 30%

Question 33

Inc expansion of amalgam is rel to (5)

Answer 33

``` Inc mercury Short trituration time Dec condensation pressure Inc particle size Moisture contamination ```

Question 34

Time dimensional change due to constant stress

Answer 34

Creep

Question 35

Contraction or expansion of a material

Answer 35

Dimensional change

Question 36

Formation of oxides

Answer 36

Corrosion

Question 37

A thin layer of corrosion at the top of resto | Loss of luster of amalgam

Answer 37

Tarnish

Question 38

Procedure wherein amalgam is rubbed

Answer 38

Mulling

Question 39

Common cause of amalgam chipping during carving

Answer 39

Carving when am hardened

Question 40

Continuation of trituration processg

Answer 40

Mulling

Question 41

Where there’s ditching of am resto, when it is indic for replacement

Answer 41

>0.5 mm

Question 42

Distance from margin of mesial and distal wall to prox surf must not be less than

Answer 42

PM - 1.6 mm | Molar - 2 mm

Question 43

Most difficult tooth to adapt matrix band

Answer 43

Max 1st pm - mesial developmental depression

Question 44

Why is matrix band extended occlusally when restoring class 2 cavities

Answer 44

For overfilling

Question 45

Common tooth prone to accidental pulpal exposure

Answer 45

Md 1st pm

Question 46

Basic parts of handcutting instruments

Answer 46

Handle Shank Working end

Question 47

Non cuttting instrument

Answer 47

Nib

Question 48

Slightly curved chisel has _____ design

Answer 48

Wedelstaedt design

Question 49

Straight chisel is similar to ____

Answer 49

Carpenter’s chisel

Question 50

Chisel fam

Answer 50

CHAD CHISEL HOE ANGLE FORMER DISCOID AND CLEIOD

Question 51

Hatchet fam

Answer 51

HEG hatchets Excavators GMT

Question 52

Composition of composites (3)

Answer 52

Filler part Matrix Coupling agent

Question 53

Most common matrix in composite

Answer 53

Bis gma - bisphenol A-glycidyl methacrylate

Question 54

For polishing composite For amalgam For gold

Answer 54

Aluminum oxide Tin oxide Iron oxide

Question 55

Setting of composites

Answer 55

Polymerization process

Question 56

Most common filler in composites

Answer 56

Colloidal silica

Question 57

Bis gma invented by

Answer 57

Bowen 1962

Question 58

Component of composites used to produce radiopacity (5)

Answer 58

``` Barium Zinc Boron Zirconium Yttrium ```

Question 59

Bis gma radiolucent or opaque

Answer 59

Radiolucent

Question 60

Disadv of polymerization

Answer 60

Shrinkage

Question 61

Inhibits polymerization (2)

Answer 61

Eugenol | Cavity varnish

Question 62

Ratio of bonded surface to the unbounded surfaces

Answer 62

Configuration factor

Question 63

Etch is discovered by

Answer 63

Buonocore 1955

Question 64

Which is better high or low c factor

Answer 64

Low c factor better If high, shrinkage!!

Question 65

Longest c factor

Answer 65

Class 1

Question 66

Class of cavity with least C FACTOR

Answer 66

Class 4

Question 67

Enamel and dentin is etched true or false

Answer 67

True

Question 68

Etching (4)

Answer 68

Phosphoric acid Edta Maleic acid Citric acid

Question 69

Retention for composite chemical or mechanical

Answer 69

Micromechanical