Pedodontics #1 – Unidontia

1. Vital pulp procedures are all except

Apexification

Apexogenesis

IPC

DPC

2. Following types of fissures are not caries susceptible

K and V

U and V

I and K

V and I

3. Most natal and neonatal teeth are primary teeth. They should be extracted.

The first statement is false and the second statement is true.

The first statement is true and the second statement is true.

The first statement is true and the second statement is false.

The first statement is false and the second statement is false.

4. Which property of pit and fissure sealant is most important?

Moderate solubility and water sorption

Low volatility

Thermal conductivity higher than teeth

Adequate working time

5. The cotton pellet applied to the pulpal stumps in the formocresol pulpotomy technique should be

Left in place for 15 minutes

Saturated with formocresol

Dampened with formocresol

Left in place after the second visit

6. Which of the following is the most likely cause pulpal necrosis following trauma to a tooth?

Pulpal hyperemia

Ankylosis

Calcific metamorphosis

Dilaceration

7. When a child patient is not able to hold the film during x-ray, who should hold the film:

Dental assistant

Radiographer

Dentist

Parent

8. The presence of higher amounts of proline rich proteins (PRP) can have what kind of effect on caries causation

It has role during tooth remineralisation only therefore no effect on caries

Caries promoting since they help in bacterial adherence

Make tooth surface resistant to caries since it enhances fluoride action

Aid in super saturation of saliva therefore make tooth resistant to caries

9. Bis-GMA resin was developed by

Wilson and Kent (1972)

Bowen (1965)

Buonocore (1955)

Brown (1945)

10. Which milestone of a child coincides with the eruption of the 1st primary molars

Bowel control

Focusing on light

Making 3-4 word sentences

Standing without support

11. Your patient is 8 years old. Teeth #8 and #9 have approximately 50% of their crowns erupted. One month ago, the patient fell from a skateboard and hit teeth #8 and #9 on the sidewalk. The radiograph today shows open apices of these teeth, normal PDL, and no apparent periapical radiolucency. The patient has no reaction to electrical pulp tests. What is your treatment of choice?

Reappoint for exam and radiographs in 6 weeks

Formocresol apexification technique

Calcium hydroxide pulpotomy

Calcium hydroxide apexification technique

12. What is the minimum alveolar concentration of nitrous oxide (Vol %)?

105

13. As compared with permanent teeth, primary teeth have:

Smaller pulp relative to crown size

Increased number of accessory canals in pulpal floor

Thicker and shorter roots

Pulp horns further away from the tooth surface

14. Enamel has no possibility of repair because

It has a small percent of organic content

Its formative cells are lost once it is completely formed

It is a keratin tissue and has no blood vessels

It has no direct connection with the pulp

15. Your patient is 4 years old. Tooth E was traumatically intruded and approximately 50% of the crown is visible clinically. What is your treatment of choice?

None of the above

Reposition and splint

Reposition, splint, and formocresol pulpotomy

Reposition, splint, and primary endodontics

16. A 6-year-old child presents with a Class I fracture to a tooth with an immature apex. What is the treatment of choice for this patient?

Restore tooth

Perform pulpectomy, place stainless steel crown

Perform pulpotomy, then temporarily restore

Place calcium hydroxide to exposed dentin, restore tooth

17. Oral bacteria attacks organic components of enamel and the breakdown products have the ability to dissolve the tooth mineral, this is

Proteolysis theory

Acidogenic theory or chemico-parasitic theory

Proteolysis chelation theory

Hypoplastic theory

18. DIAGNOdent is a diagnostic device for assessing the presence or absence of pit and fissure caries. DIAGNOdent is a

Portable digital X-ray device

Electronic explorer

Fiberoptic transilluminator

Laser fluorescence device

19. A child starts to hold his head stable at what age:

11-12 months

3-4 months

18-20 months

6-7 months

20. The number of fontanelles present at birth is

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