Question 1
Which diamond bur has diamond particle grit size of 125–150 micrometer?
- medium
- super coarse
- fine
- coarse
Question 2
Which rubber dam clamp is used for partially erupted or irregularly shaped molars?
- 14A
- 2A
- 12A
- 13A
Question 3
Which dam frame is placed under the dam?
- ostby frame
- plastic U-shaped frame
- young frame
- picture frame
Question 4
When can heat be generated while using a rotary instrument that can cause tooth damage?
- insufficient coolant
- increased pressure when cutting
- using a bur that is no longer straight
- using a dull bur
Question 5
Dental amalgam can be finished and polished as soon as it sets.
- True
- False
Question 6
Which of the following satisfies convenience form?
- convergent buccal and lingual walls
- no unsupported enamel exists
- smallest condenser fits everywhere in the preparation
- isthmus width does not exceed maximum
Question 7
Which of the following is classified as G.V. Black Class I?
- lingual surfaces of maxillary incisors
- proximal surfaces of premolars and molars
- occlusal two thirds of the facial and lingual surfaces of molars
- occlusal surfaces of premolars and molars
Question 8
The wider jaw of the 12A and 13A clamps should always be on the buccal side of the premolar.
- True
- False
Question 9
What does the second number describes on a 3 number formula for hand instruments?
- angle the blade forms with the long axis of the handle
- angle formed between the cutting edge and central axis of the shaft
- width of the blade
- length of the blade
Question 10
What should be checked after placing a restoration?
- no contacts on the margin between the restoration and sound tooth structure
- contacts are the same prior to preparation and after restoration
- there should be fewer contacts on adjacent teeth after placing the restoration compared to before doing the preparation
- no bullseye marks on the restoration
Question 11
What should be done if after a Class I preparation, the thickness of the remaining marginal ridge is less than 1 mm?
- the pulpal floor should be deeper at 4 mm
- the preparation doesn’t need any modification as long as it will be restored with amalgam
- the preparation must be extended to pass through the marginal ridge making it a Class II preparation
- the tooth must be restored with composite
Question 11
What should be done if after a Class I preparation, the thickness of the remaining marginal ridge is less than 1 mm?
- the pulpal floor should be deeper at 4 mm
- the preparation doesn’t need any modification as long as it will be restored with amalgam
- the preparation must be extended to pass through the marginal ridge making it a Class II preparation
- the tooth must be restored with composite
Question 12
What are triangular absorbent pads used to isolate posterior areas in the maxillary and mandibular arches?
- dry angles
- garmers
- retraction cords
- cotton rolls
Question 13
Which hand instrument is used for beveling gingival cavosurface margins, rounding axiopulpal line angles and refining retentive grooves?
- cleoid-discoid
- chisel
- gingival margin trimmers
- wedelstaedt
Question 14
What can be used to smoothen a bumpy pulpal floor?
- largest round bur that will fit the preparation on low speed handpiece going back and forth on stall speed
- smallest round bur on low speed handpiece going back and forth on stall speed
- smallest round bur on high speed going back and forth on full speed
- hand instruments
Question 15
Which component in modern amalgam almost eliminate Gamma 2 phase resulting in a stronger and more corrosion resistant set?
- Copper
- Tin
- Silver
- Zinc
Question 16
Which risk factor will always classify an individual as high caries risk?
- hypo-salivation/gross indicators of dry mouth
- appliances, restorations and other causes of increase biofilm retention
- thick plaque
- exposed root surface
Question 36
What is the minimum rotational speed a dental handpiece can operate while still maintaining enough torque to cut or remove material effectively?
- stall speed
- low speed
- need for speed
- full speed
Question 37
Occlusion doesn’t need to be checked when removing key occlusal contacts.
- True
- False
Question 38
What stage of caries lesion has the enamel showing localized breakdown (cavitation) without visible dentin exposure?
- ICDAS Code 1
- ICDAS Code 2
- ICDAS Code 3
- ICDAS Code 4
- ICDAS Code 5
- ICDAS Code 6
Question 39
Which type of clamp works better on a partially erupted maxillary second molar?
- apically positioned jaw clamp
- double bowed clamp
- winged clamp
- flat jaw clamp
Question 40
Which instrument grasp has the palm of the hand faced more towards the operator?
- modified pen grasp
- modified palm and thumb grasp
- inverted pen grasp
- palm and thumb grasp
Question 41
In Group function, which teeth comes in contact during lateral movement?
- canine, 1st premolar, 2nd premolar, mesial cusp of 2nd molar
- canine, 1st premolar, 2nd premolar, mesial cusp of 1st molar
- canine only
- 1st premolar, 2nd premolar, mesial cusp of 1st molar, mesial cusp of 2nd molar
Question 42
Which component of dental amalgam acts as a deoxidizer by reducing hydrogen gas and other oxide formation?
- Tin
- Copper
- Silver
- Zinc
Question 43
Which rubber dam clamp is used to access the distal of the molar the retractor is on?
- 00
- 14A
- 8AD
- 12A
Question 44
Which type of dental amalgam has a buttery consistency?
- spherical
- admix
- lathe-cut
Question 45
What is the shape or form of the preparation that prevents displacement or removal of the restoration by tipping or lifting forces?
- convenience form
- outline form
- resistance form
- retention form
Question 46
Which type of handpiece uses a HP bur?
- high speed handpiece
- contra-angle low speed handpiece
- latch type handpiece
- straight low speed handpiece
Question 47
Why is it important to ensure occlusal harmony after an operative procedure?
- to avoid failure/fracture of the tooth
- to avoid increased masticatory function
- to avoid failure/fracture of the restoration
- to avoid severe musculoskeletal, myofascial and TMJ related pain
Question 48
Why do hand instruments have shanks that has more than one angle?
- for better access
- for better matching with rotary instrument
- for ease of manufacturing the instrument
- for better balance and control
Question 49
A bur is more efficient in cutting when it has less blades/flutes.
- True
- False
Question 50
Smaller holes on a rubber dam are more retentive but more difficult to seat.
- True
- False
