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🤍Past papers > MCQs > Flashcards

MCQs Flashcards

1
Q

For lower premolars, the purpose of inclining the handpick lingually is to?

A
  • Avoid the buccal pulp horn
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2
Q

For an amalgam restoration of a weakened cusp you should?

A
  • Reduce cusp by 2mm on a flat base for more resistance
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3
Q

Before filling a class V abrasion cavity with GIC you should?

A
  • Clean with pumice, rubber cup, water and weak acid
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4
Q

What is true about the defective margins of amalgam restorations?

A
  • The larger the breakdown the greater the chance of decay
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5
Q

The retention pin in an amalgam restoration hshould be placed?

A
  • Parallel to the outer wall
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6
Q

The most common cause of failure of the IDB is?

A
  • Injecting too low
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7
Q

What is not used in water fluoridation?

A
  • SnF2
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8
Q

What is the best way to clean a cavity before the placement of GIC?

A
  • Polyacrylic Acid
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9
Q

What is the most mineralised part of dentine?

A
  • Peritubular dentine
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10
Q

Patient has woken with a swollen face, puffiness around the ye, oedema of the upper lip with redness and dryness. Exam shows severall deep silicate restorations in anterior teeth, no signs of caries, negative thermal test, negative TTP. Temperature is normal

What condition does the patient have?

A
  • Angioneurotic Oedema
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11
Q

Internal resorption is?

A
  • Usually in response to trauma
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12
Q

On replantation of an avulsed tooth could see?

A

surface resorption, external resorption, inflammatory resorption and replacement resorption

(A,C and D)

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13
Q

The percentage of total dentine surface dentinal tubules make in 0.5mm away from the pulp is?

A

50%

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14
Q

The junction between primary and secondary dentine is?

A

A Resting Line

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15
Q

what is the events of enamel formation?

A

Differentiation of odontoblasts
Elongation of enamel epithelium
Dentine formation
Enamel formation

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16
Q

What is the sequence from superficial to the deepest in dentine caries?

A

Zone of bacterial penetration
Demineralisation
Sclerosis
Reparative dentine

17
Q

The nerve supply to the pulp is composed of which typee of nerve fibres?

A

Afferent and sympathetic

18
Q

In which direction does the palatal root of the upper first molar usually curve towards?

A

Facial/Buccally

19
Q

What is the common appearance of vertical tooth fracture ?

A

Periodontal Abscess like appearance

20
Q

What is a possible indication for indirect pulp capping ?

A

Where any further excavation of dentine would result in pulp exposure

21
Q

Following trauma to the tooth, the next say there was no response to pulp test, you should?

A

Review again later

22
Q

What is the main purpose of performing pulp test on a recently traumatised tooth?

A

To obtain a baseline response

23
Q

What is the main function of EDTA in Endodontics ?

A

Decalcification of dentine

24
Q

What is not true in relation to the presciption of 5mg or 10mg of diazepam for sedation

A

Patients complain of post operative headaches

25
Q

What is true in regards to high risk patients

A

0.1ml of blood from hepatitis B carrier is more infective than 0.1ml of blood from HIV patient

26
Q

What is the best method to verify sterilisation has occurred

A

Use colour change tape in each load and spore test weekly

27
Q

a patient has severe cirrhosis. What problem can be anticipated in the routine dental therapy?

A

Tendency towards prolonged haemorrhage

28
Q

Loss of sensation on the lower lip may be produced by

A

Fracture in the mandible first molar region

29
Q

The patient had a heavy blow to the rightt body of the mandible sustaining fracture. Where would you suspect a second fracture to most likely be ?

A

Left sub-condylar region

30
Q

signs and symptoms that commonly suggest cardiac failure in a patient being assessed for oral surgery are

A

Ankle oedema and dyspnoea

31
Q

A cyst at the apex of a upper central incisor measures 1cm. What is the best treatment?

A

Make a mucoperiosteal flap and remove the cyst through an opening made in the alveolar bone, followed by tooth removal

🤍Past papers (4 decks)

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