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RESTO BOARD EXAM QS > Resto Lec > Flashcards

Resto Lec Flashcards

1
Q

CALCIUM HYDROXIDE IS THE PRIMARY MATERIAL FOR PULP
CAPPING DUE TO ITS:

A. RESPONSE IN THE FORMATION OF SECONDARY CARIES
B. ALKALINE AND NON-IRRITATING TO THE PULP
C. SEALING PROPERTIES AS COMPARED TO THE OTHER
MATERIALS
D. SEDATIVE EFFECTS ON THE PULP TISSUE

A

B. ALKALINE AND NON-IRRITATING TO THE PULP

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2
Q

IF THE CAVITY PREPARATION IS CONTAMINATED AFTER ACID
ETCHING WITH SALIVA:

A. AIR DRY CAVITY AND PROCEED WITH THE PROCEDURE
B. POLISH WITH BRUSH AND PUMICE ALL OVER AGAIN
C. RINSE THE SALIVA WITH WATER AND DRY
D. WASH SALIVA, DRY AND ACID ETCH AGAIN

A

D. WASH SALIVA, DRY AND ACID ETCH AGAIN

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3
Q

THREADED PINS ARE USED IN LARGE DENTAL AMALGAM
RESTORATION TO PROVIDE:

A. RESISTANCE FORM
B. RETENTION FORM
C. MUCH NEEDED REINFORCEMENT TO AMALGAM
D. OCCLUSAL STOPS THE OPPOSING TEETH

A

B. RETENTION FORM

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4
Q

WHEN USING ACID ETCH TECHNIQUE TO RESTORE CLASS IV
SITUATION, EXPOSED DENTIN SHOULD FIRST BE COVERED
WITH?

A. CAVITY VARNISH
B. PHOSPHORIC ACID
C. ZOE CEMENT
D. CALCIUM HYDROXIDE LINER

A

D. CALCIUM HYDROXIDE LINER

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5
Q

WHICH FACTOR HAS THE MOST SIGNIFICANT INFLUENCE ON
THE LONGEVITY OF DIRECT COMPOSITE RESTORATIONS IN
POSTERIOR TEETH?

A. CAVITY PREPARATION DESIGN
B. TYPE OF BONDING AGENT USED
C. COMPOSITE MATERIAL SHADE
D. OCCLUSAL FORCES

A

D. OCCLUSAL FORCES

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6
Q

WHAT IS THE MAIN RESON FOR THE DEVELOPMENT OF
SECONDARY CARIES AROUND AMALGAM RESTORATIONS?

A. POOR MARGINAL ADAPTATION
B. GALVANIC CORROSION
C. INSUFFICENT CAVITY DISINFECTION
D. AMALGAM CREEP

A

A. POOR MARGINAL ADAPTATION

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7
Q

WHAT ARE THE CONSTITUENTS OF A COMPOSITE MATERIAL?

A. ONLY A MATRIX MATERIAL
B. ONLY A REINFORCEMENT MATERIAL
C. A MATRIX MATERIAL AND A REINFORCEMENT MATERIAL
D. A SINGLE MATERIAL WITH ENHANCED PROPERTIES

A

C. A MATRIX MATERIAL AND A REINFORCEMENT MATERIAL

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8
Q

WHICH TYPE OF COMPOSITE IS KNOWN FOR ITS EXECELLENT
RESISTANCE TO HIGH TEMPARATURE?

A. POLYMER MATRIX COMPOSITES (PMCs)
B. METAL MATRIX COMPOSITES (MMCs)
C. CERAMIC MATRIX COMPOSITES (CMCs)
D. FIBER-REINFORCED COMPOSITES

A

C. CERAMIC MATRIX COMPOSITES (CMCs)

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9
Q

REASONS FOR INCORPORATING AN ENAMEL CAVOSURFACE
BEVEL IN PREPARATION FOR BONDED, DIRECT, COMPOSITE
RESTORATIONS:
1. PROVIDES MORE SURFACE AREA FOR BONDING
2. ALLOWS FOR MORE PREFERRED END ON ETCHING OF THE
ENAMEL RODS
3. INCREASE RETENTION
4. REDUCE LEAKAGE
5. PROVIDE GREATER POTENTIAL FOR STRENGTHENING THE
REMAINING TOOTH STRUCTURE

A. 1,2,3,4,
B. 2,3,4,5
C. 1,2,3,5
D. 1,2,4,5
E. 1,2,3,4,5

A

E. 1,2,3,4,5

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10
Q

WHAT CLASS/ CLASSES OF CAVITIES IS/ARE FOUND ON THE ALL TEETH (ANTERIER OR POSTERIOR)

A. CLASS I, II
B. CLASS III, IV
C. CLASS I, V, VI
D. CLASS II, IV, V

A

C. CLASS I, V, VI

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11
Q

THE IDEAL ENAMEL AMALGAM INTERFACE:

A. LAP JOINT
B. BUTT JOINT
C. BEVELED LAP JOINT
D. ALL OF THESE

A

B. BUTT JOINT

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12
Q

AN AMALGAM HAS A CORRECT CONSISTENCY WHEN IT IS:

A. RUBBERY AND STICKY
B. DRY, SANDY, AND CRUMBLY
C. SHINY, STICKY, AND SMOOTH
D. COHERENT AND HOMOGENOUS

A

D. COHERENT AND HOMOGENOUS

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13
Q

THE REDUCTION OF WHICH OF THE FOLLOWING REPRESENTS THE MOST SIGNIFICANT ADVANTAGE OF ACID- ETCH TECHNIQUE?

A. MICROLEAKAGE
B. PULPAL IRRITATION
C. SETTING SHRINKAGE OF THE MATRIX
D. COEFFICIENT OF THERMAL EXPANSION

A

A. MICROLEAKAGE

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14
Q

GINGIVAL CAVOSURFACE MARGIN IS BEVELED IN A CLASS II
CAVITY AMALGAM RESTORATION TO;

A. GET A LAP JOINT ON THE CAVOSURFACE ANGLE
B. REMOVE THE UNSUPPORTED ENAMEL RODS
C. GET BURNISHABLE THICKNESS OF AMALGAM
D. MOVE THE CAVOSURFACE AWAY FROM THE CONTACT

A

B. REMOVE THE UNSUPPORTED ENAMEL RODS

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15
Q

MALOCCLUSION IN THE PRIMARY DENTITION CAUSED BY ORAL HABIT WITH AN INTENSE DEGREE ARE USUALLY CORRECTED UNTIL AGE.

A. AS SOON AS POSSIBLE
B. 3
C. 4
D. 5

A

B. 3

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16
Q

THE TREATMENT OF A CARIOUS CENTRAL INCISOR WITH
RADICULAR CYST WITH TOOTH CONSERVATION IS:
A. MASRUPIALIZATION
B. APICAL RESECTION
C. ENDODONTIC TREATMENT AND ENUCLEATION
D. ENDODONTIC TREATMENT

A

C. ENDODONTIC TREATMENT AND ENUCLEATION

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17
Q

THE AXIAL WALL OF THE CLASS V CAVITY PREPARATION IS:

A. FLAT
B. CONCAVE
C. CONVEX
D. CONVEX ONLY INCISOCERVICALLY

A

C. CONVEX

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18
Q

THE RESTORATIVE MATERIAL THAT IS MOST ANTICARIOGENIC IS:

A. COMPOSITE RESIN
B. DENTAL AMALGAM
C. CALCIUM HYDROXIDE
D. GLASS IONOMER CEMENT

A

D. GLASS IONOMER CEMENT

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19
Q

THE MAIN ADVANTAGE IN DEVELOPING HIGH COPPER
AMALGAM ALLOY IS:
A. ELIMINATION OF GAMMA 1 PHASE
B. INCREASE THE STRENGTH OF AMALGAM
C. DECREASE THE FLOW VALUE OF AMALGAM
D. ELIMINATION OF GAMMA PHASE 2
E. REDUCE THE CONDUCTIVITY OF AMALGAM

A

D. ELIMINATION OF GAMMA PHASE 2

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20
Q

IN A CAVITY PREPARATION CAVOSURFACE MARGIN WILL BE JUNCTION BETWEEN:

A. CAVITY WALL/FLOOR AND ADJACENT TOOTH SURFACE
B. CAVITY WALL AND FLOOR
C. FLOOR OF OCCLUSAL BOX AND APPROXIMAL BOX
D. APPROXIMAL WALL OF ONE TOOTH WITH ANOTHER
E. AXIAL WALL AND OCCLUSAL FLOOR

A

A. CAVITY WALL/FLOOR AND ADJACENT TOOTH SURFACE

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21
Q

CAVITY LINERS ARE USED TO:

A. HELP RETAIN THE RESTORATIVE MATERIAL
B. PROTECT THE PULP
C. ADD STRENGTH TO THE RESTORATIVE MATERIAL
D. DECREASE THE SETTING EXPANSION OF AMALGAM

A

B. PROTECT THE PULP

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22
Q

AS AMALGAM AGES, THE DEGREE OF MICROLEAKAGE:

A. INCREASES
B. DECREASES
C. REMAINS THE SAME
D. DOES NOT OCCUR

A

B. DECREASES

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23
Q

A 25- YEAR- OLD PATIENT PRESENTS WITH A LARGE OCCLUSAL CAVITY ON THEIR MAXILLARY FIRST MOLAR. THE DECAY EXTENDS ONTO THE BUCCAL AND LINGUAL CUSPS BUT DOESN’T INVOLVE THE PULP. WHAT IS THE MOST APPROPRIATE CLASS OF CAVITY PREPARATION FOR THIS CASE?

A. CLASS I
B. CLASS II
C. CLASS III
D. CLASS V

A

B. CLASS II

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24
Q

THE PRIMARY PURPOSE OF USING A DENTAL LINER UNDER
RESTORATION IS TO:

A. INCREASE STRENGTH OF THE RESTORATION
B. INSULATE THE PULP
C. IMPROVE ADHESION OF THE RESTORATIVE MATERIAL
D. ENHACE MARGINAL ADAPTATION

A

B. INSULATE THE PULP

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25
Q

TECHNIQUE FOR TREATING A PULP EXPOSURE WITH A
METERIAL THAT SEALS OVER THE EXPOSURE SITE AND
PROMOTES REPERATIVE DENTIN FORMATION IS TERMED AS:
A. DIRECT PULP CAPPING
B. INDIRECT PULP CAPPING
C. PREVENTIVE RESIN RESTORATION
D. PIT AND FISSURE SEALANTS

A

A. DIRECT PULP CAPPING

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26
Q

THE BEST PRIMARY LINER FOR A DEEP CAVITY PREPARATION
WITH NEAR PULP EXPOSURE IS:

A. CALCIUM HYDROXIDE BECAUSE IT IS EFFECTIVE IN PROMOTING SECONDARY DENTIN FORMATION
B. GIC BECAUSE IT RELEASES FLUORIDE THAT CAN ARREST
CARIES FORMATION
C. ZOE, THE EUGENOL CONTENT SOOTHES THE PULP

A

A. CALCIUM HYDROXIDE BECAUSE IT IS EFFECTIVE IN PROMOTING SECONDARY DENTIN FORMATION

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27
Q

PREPARING THE WALLS OF THE CAVITY TO FOLLOW THE
DIRECTION OF THE ENAMEL ROD WILL ENHANCE?

A. RESISTANCE FORM
B. OUTLINE FORM
C. FINISHING THE WALL
D. RETENTION FORM

A

A. RESISTANCE FORM

28
Q

TOOTH PREPARATION FOR SILICATE CEMENT REQUIRES THE FOLLOWING PRINCIPLES EXCEPT:
A. STRONG BONDING AGENT
B. BUTT JOINT
C. ADEQUATE DEPTH
D. CONVENTIONAL-PREPARATION

A

A. STRONG BONDING AGENT

29
Q

EXTENSION FOR PREVENTION IS DIRECTLY RELATED TO:

A. REMOVAL OF UNSUPPORTED ENAMEL ON THE PROXIMAL SURFACE OF CLASS III CAVITY PREPARATION
B. DEPTH OF THE AXIAL WALL OF CLASS III CAVITY PREPARATION
C. ELIMINATION OF ALL CARIOUS DENTIN BEYOND THE AVERAGE DEPTH OF THE PULPAL WALL OF CLASS I CAVITY PREPARATION
D. THE OUTLINE FORM OF THE CAVITY PREPARATION

A

D. THE OUTLINE FORM OF THE CAVITY PREPARATION

30
Q

CUTTING INSTRUMENTS SHOULD BE THOROUGHLY SHARPENED:

A. TO REDUCE PAIN
B. TO EFFECTIVELY CONTROL THE INSTRUMENT
C. TO CREATE SMOOTH SURFACED WALLS
D. TO AVOID INJURY TO THE TOOTH
E. ALL OF THE ABOVE ARE CORRECT

A

E. ALL OF THE ABOVE ARE CORRECT

31
Q

IF THE INSTRUMENT FORMULA OF AN INSTRUMENT IS 8-80-9-15, THE FIRST NO. OF THE FORMULA INDICATES:

A. WIDTH OF THE BLADE
B. PRIMARY CUTTING- EDGE ANGLE
C. BLADE STRENGTH
D. BLADE ANGLE

A

A. WIDTH OF THE BLADE

32
Q

WHY IS IT IMPORTANT TO RESTORE PROPER PROXIMAL CONTACT WHEN RESTORING TEETH?

A. TO MINIMIZE PERODONTAL POCKET FORMATION
B. TO MAINTAIN THE PROPER HEIGHT OF THE INTERPROXIMAL PAPILLA
C. TO MAINTAIN THE MESIODISTAL DIMENSION OF THE TOOTH
D. ALL OF THESE

A

A. TO MINIMIZE PERODONTAL POCKET FORMATION
B. TO MAINTAIN THE PROPER HEIGHT OF THE INTERPROXIMAL PAPILLA
C. TO MAINTAIN THE MESIODISTAL DIMENSION OF THE TOOTH
D. ALL OF THESE

33
Q

THE RESTORATIVE MATERIAL THAT IS MOST ANTICARIOGENIC
IS:
A. COMPOSITE RESIN
B. DENTAL AMALGAM
C. CALCIUM HYDROXIDE
D. GLASS IONOMER CEMENT

A

D. GLASS IONOMER CEMENT

34
Q

A BASE OR LINER WHICH IS CONTRAINDICATED BENEATH
FILLED OR UNIFIED RESIN IS:

A. GLASS IONOMER
B. CALCIUM HYDROXIDE
C. POLYCARBOXYLATE CEMENT
D. ZINC OXIDE EUGENOL

A

D. ZINC OXIDE EUGENOL

35
Q

THE ACTION OF CALCIUM HYDROXIDE IN PROMOTING A CALCIFIED BARRIER TO PULP THAT IS ACCIDENTALLY EXPOSED WITH AN OPEN APEX IS:

A. CALCIUM IONS FORM PASTE PRECIPITATES TO FORM A CALCIFIED BARRIER
B. CREATING OF AN ALKALINE ENVIRONMENT TO FORM ACALCIFIED BARRIER
C. CREATION OF A ZONE OF COAGULATION NECROSIS
D. CREATION OF NECROTIC TISSUE

A

B. CREATING OF AN ALKALINE ENVIRONMENT TO FORM ACALCIFIED BARRIER

36
Q

DURING CAVITY PREPARATION, PULP DAMAGE CAN BE PREVENTED BY:

A. USE OF DIAMOND BURS WITH A BRUSH STROKE
B. USE OF LOCAL ANESTHETICS
C. USE OF ADEQUATE AIR PRESSURE
D. USE OF ADEQUATE WATER COOLANT

A

D. USE OF ADEQUATE WATER COOLANT

37
Q

WHICH OF THE FOLLOWING IS THE MOST EFFECTIVE WAY TO REDUCE INJURY TO THE PULP DURING A?

A. PREPARE DENTIN WITH SLOW SPEED BURS
B. USE ANESTHETICS WITHOUT VASOCONTRICTORS
C. MINIMIZE DEHYDRATION OF THE DENTINAL SURFACE
D. KEEP THE DENTINAL SURFACE CLEAN BY FREQUENT IRRIGATION

A

C. MINIMIZE DEHYDRATION OF THE DENTINAL SURFACE

38
Q

DISCOLORATION OF THE TOOTH UNDER BIG AMALGAM RESTORATION CAN BE PREVENTED BY:

A. USING A CAVITY VARNISH
B. USING CORRECT ALLOY: MERCURY RATIO
C. USING ZINC PHOSPHATE CEMENT BASE
D. WASHING THE PREPARED CAVITY WITH NaOCI3

A

A. USING A CAVITY VARNISH

39
Q

THE AXIAL WALL OF THE CLASS V CAVITY PREPARATION IS:
A. FLAT
B. CONCAVE
C. CONVEX
D. CONVEX ONLY INCISOCERVICALLY

A

C. CONVEX

40
Q

THE RESTORATIVE MATERIAL THAT IS MOST ANTICARIOGENIC IS:
A. COMPOSITE RESIN
B. DENTAL AMALGAM
C. CALCIUM HYDROXIDE
D. GLASS IONOMER CEMENT

A

D. GLASS IONOMER CEMENT

41
Q

IN PREPARAING CLASS I CAVITY FOR DENTAL AMALGAM, THE DENTIST WILL DIVERGE THE MESIAL AND DISTAL WALLS TOWARD THE OCCLUSAL SURFACE. THE DIVERGENCE SERVES TO:

A. PREVENT UNDERMINING OF THE MARGINAL RIDGES
B. PROVIDE CONVENIENCE FORM
C. RESIST THE FORCES OF MASTICATION
D. EXTEND THE PREPARATION INTO AREAS MORE READILY CLEANSED

A

A. PREVENT UNDERMINING OF THE MARGINAL RIDGES

42
Q

A COMPOSITE RESTORATION IS WIDER THAN THE DIAMETER OF THE LIGHT TIP OF THE CURING UNIT. IN THIS SITUATION, THE RESTORATION IS CURED BY:
A. MOVING THE TIP OVER THE SURFACE FOR THE REQUIRED TIME
B. PLACING THE TIP STEPWISE OVER EACH AREA AND EXPOSING EACH AREA FOR THE REQUIRED TIME
C. POSITIONING THE TIP FAR ENOUGH FROM THE SURFACE TO ILLUMINATE THE ENTIRE SURFACE
D. CENTERING THE TIP ON THE SURFACE AND CURING TH ENTIRE RESTORATION FROM THIS POSITION

A

B. PLACING THE TIP STEPWISE OVER EACH AREA AND EXPOSING EACH AREA FOR THE REQUIRED TIME

43
Q

WHAT CLASS/CLASSES OF CAVITIES IS/ARE FOUND ON THE ALL TEETH (ANTERIOR OR POSTERIOR)
A. CLASS I, II
B. CLASS III, IV
C. CLASS I, V, VI
D. CLASS II, IV, V

A

C. CLASS I, V, VI

44
Q

GINGIVAL CAVO SURFACE MARGIN IS BEVELED IN A CLASS II CAVITY FOR AMALGAM RESTORATION TO:

A. GET A LAP JOINT ON THE CAVOSURFACE ANGLE
B. REMOVE THE ENAMEL UNSUPPORTED ENAMEL RODS
C. GET BURNISHABLE THICKNESS OF AMALGAM
D. MOVE THE CAVOSURFACE AWAY FROM THE CONTACT

A

B. REMOVE THE ENAMEL UNSUPPORTED ENAMEL RODS

45
Q

GLASS IONOMER CEMENTS GENERALLY CONTAIN FLUORO-ALUMINO-SILICA POWDER, THE FLUORO-ALUMINO-SILICAPOWDER IS THE PORTION RESPONSIBLE FOR ONE OF THE
MAJOR ADVANTAGES OF GLASS IONOMER

A. BOTH STATEMENTS ARE CORRECT
B. BOTH STATEMENTS ARE INCORRECT
C. FIRST STATEMENT IS TRUE; SECOND STATEMENT IS FALSE
D. FIRST STATEMENT IS FALSE; SECOND IS TRUE

A

A. BOTH STATEMENTS ARE CORRECT

46
Q

CHOOSE THE COMPOSITES CHARACTERIZED BY EASY MANIPULATION AND HANDLING WITH FAVORABLE WETTABILITY BUT LOW FILLER CONTENT.

A. NANO-FILLED
B. HYBRID
C. MICRO-FLOWABLE
D. MICROFILLED

A

D. MICROFILLED

47
Q

AFFECTED DENTIN DIFFERS FROM INFECTED DENTIN IN THAT IT HAS:

A. BEEN INVADED BY MICROORGANISMS
B. ARE PRECISELY THE SAME
C. NOT BEEN INVADED BY MICROORGANISMS
D. A SOFT TEXTURE
E. NONE OF THE ABOVE

A

C. NOT BEEN INVADED BY MICROORGANISMS

48
Q

DISCOLORATION OF THE TOOTH UNDER BIG AMALGAM RESTORATION CAN BE PREVENTED BY:

A. USING CAVITY VARNISH
B. USING CORRECT ALLOY: MERCURY RATIO
C. USING ZINC PHOSPHATE CEMENT BASE
D. WASHING THE PREPARED CAVITY WITH NaOCI3

A

A. USING CAVITY VARNISH

49
Q

WHAT CLASS/CLASSES OF CAVITIES IS/ARE FOUND ON THE ALL TEETH (ANTERIOR OR POSTERIOR)

A. CLASS I, II
B. CLASS III, IV
C. CLASS I, V, VI
D. CLASS I, IV, V

A

C. CLASS I, V, VI

50
Q

ALL ENAMELS MUST CONSIST OF:

A. CLUSTER OF ENAMEL RODS PROTRUDING FROM CAVITY
B. FULL LENGTH ENAMEL RODS OR FULL -LENGTH RODS SUPPORTED BY SHORTER RODS TERMINATING ON SOUN DENTIN
C. CAVITY OUTLINE PLACED ON ROUGH CURVE
D. CAVITY OUTLINE PLACED ON IRREGULAR LINES

A

B. FULL LENGTH ENAMEL RODS OR FULL -LENGTH RODS SUPPORTED BY SHORTER RODS TERMINATING ON SOUN DENTIN

51
Q

WHICH OF THE FOLLOWING IS NOT A CHARACTERISTICS OF DENTAL COMPOSITE?

A. THEY HAVE THERMAL EXPANSION RATE SIMILAR TO TOOTH STRUCTURE
B. THEY ARE PRIMARILY COMPOSED OF A RESIN MATRIX AND A FILLER MATERIAL
C. THEY CAN BE USED IN BOTH ANTERIOR AND POSTERIOR RESTORATIONS
D. THEY RELEASE FLUORIDE TO HELP REMINERALIZE ADJACENT TOOTH STRUCTURE

A

D. THEY RELEASE FLUORIDE TO HELP REMINERALIZE ADJACENT TOOTH STRUCTURE

52
Q

WHICH OF THE FOLLOWING IS TRUE ABOUT DENTAL AMALGAM?

A. IT IS MORE ESTHETICALLY PLEASING THAN COMPOSITE RESINS
B. IT EXHIBITS HIGH COMPRESSIVE STRENGTH IMMEDIATELY AFTER PLACEMENT
C. IT BONDS CHEMICALLY TO TOOTH STRUCTURE, ELIMINATING THE NEED FOR MECHANICAL RETENTION
D. IT HAS A LOWER THERMAL EXPANSION COEFFICIENT THAN COMPOSITE RESINS

A

D. IT HAS A LOWER THERMAL EXPANSION COEFFICIENT THANCOMPOSITE RESINS

53
Q

THE FOLLOWING INCLUDES THE OBJECTIVES OF CAVITY PREPARATION. EXCEPT:

A. ADOPTION OF THE BEST RESTORATION FORM
B. REMOVAL OF THE DECAYED DENTIN
C. EXTENSION OF THE PREPARATION TO A SAFER AREA
D. GIVING ADVICE TO THE PATIENT ON GOOD ORAL HYGIENE

A

D. GIVING ADVICE TO THE PATIENT ON GOOD ORAL HYGIENE

54
Q

THE RESTORATIVE MATERIALS CONSIDERED SUITABLE FOR RESTORING DISTAL CANINE INVOLVING THE CONTACT INCLUDE:
A. AMALGAM
B. CASTED GOLD
C. DIRECT FILLING GOLD
D. ALL OF THESE.

A

D. ALL OF THESE. (AMALGAM, CASTED GOLD, DIRECT FILLING GOLD)

55
Q

THE POSITION OF THE GINGIVAL MARGIN OF A CLASS II AMALGAM PREPARATION IS DICTATED PRIMARILY BY:

A. AESTHETICS
B. THE LOCATION OF GINGIVAL MARGIN
C. THE EXTENT OF CARIOUS LESION
D. THE THICKNESS OF ENAMEL

A

C. THE EXTENT OF CARIOUS LESION

56
Q

WHAT CLASS/CLASSES OF CAVITIES IS/ARE FOUND ON ALL THE TEETH (ANTERIO AND POSTERIOR)

A. CLASS I, II
B. CLASS III, IV
C. CLASS I, V, VI
D. CLASS II, IV, V

A

C. CLASS I, V, VI

57
Q

ARE USED IN VERY SMALL PERCENTAGE TO PRODUCE DIFFERENT SHADES OF COMPOSITES

A. COMPOSITE
B. AMALGAM
C. COLORING AGENT
D. INHIBITORS

A

C. COLORING AGENT

58
Q

THEY ARE ADDED TO PREVENT DISCOLORATION, IN OTHER WORDS THEY ACT LIKE A “SUNSCREEN” TO COMPOSITE

A. INHIBITOR
B. ULTRAVIOLET ABSORBER
C. AMALGAM
D. COLORING AGENT

A

B. ULTRAVIOLET ABSORBER

59
Q

BASIC COMPOSITION OF DENTAL AMALGAM ALLERS:
A. SILVER AND PALLADIUM
B. SILVER AND COPPER
C. SILVER AND ZINC
D. SILVER AND TIN

A

D. SILVER AND TIN

60
Q

THE RESIN MATRIX OF MOST COMPOSITE RESIN IS COMPOSED OF:

A. BIS GMA
B. EPOXY RESIN
C. ACRYLIC RESIN
D. METHYL METHARYLATE

A

A. BIS GMA

61
Q

WHICH OF THE FOLLOWING IS THE MOST EFFECTIVE WAY TO REDUCE INJURY TO THE PULP DURING A RESTORATIVE PROCEDURE?

A. PREPARE DENTIN WITH SLOW-SPEED BURS
B. USE ANESTHETICS WITHOUT VASOCONSTRICTOR
C. MINIMIZE DEHYDRATION OF THE DENTINAL SURFACE
D. KEEEP THE DENTINAL SURFACE CLEAN BY FREQUENT
IRRIGATION

A

C. MINIMIZE DEHYDRATION OF THE DENTINAL SURFACE

62
Q

DISCOLORATION OF THE TOOTH UNDER BIG AMALGAM RESTORATION CAN BE PREVENTED BY:

A. USING CAVITY VARNISH
B. USING CORRECT ALLOY: MERCURY RATIO
C. USING ZINC PHOSPHATE CEMENT BASE
D. WASHING THE PREPARED CAVITY WITH NaOCI3

A

A. USING CAVITY VARNISH

63
Q

AFFECTED DENTIN VS. INFECTED DENTIN

A

NOT BEEN INVADED BY MICROORGANISMS

64
Q

GINGIVAL MARGIN PLACEMENT IN CLASS II AMALGAM RESTORATION

A

THE EXTENT OF CARIOUS LESION

65
Q

WHAT ARE THE INDICATIONS FOR ROOT CANAL TREATMENT IN
ENDODONTICS?

A

INDICATIONS FOR ROOT CANAL TREATMENT INCLUDE IRREVERSIBLE PULPITIS, PULP NECROSIS, SYMPTOMATIC APICAL PERIODONTITIS, PULP CANAL OBLITERATION, AND PERSISTENT PERIAPICAL PATHOLOGY DESPITE CONVENTIONAL ENDODONTIC TREATMENT

66
Q

WHAT IS THE PRIMARY ETIOLOGICAL FACTOR FOR DENTAL CARIES?

A

THE PRIMARY ETIOLOGICAL FACTOR FOR DENTAL CARIES IS THE PRESENCE OF FERMENTABLE CARBOHYDRATES, PARTICULARLY SUCROSE, WHICH LEADS TO
ACID PRODUCTION BY ORAL BACTERIA, PRIMARILY STREPTOCOCCUS MUTANS

67
Q

End

A

RESTO BOARD EXAM QS (1 decks)

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