Pedodontics #4 – Unidontia

1. Localized aggressive periodontitis in the primary dentition is seen most commonly in the primary molar area. It is most common in Asian children.

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

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

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

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

2. How are baby breath located while sucking milk

Due to short and wide tongue

Due to short pharynx

Due to high placed larynx

Due to short soft palate

3. Formocresol has been shown to have a very good success rate when used as a medicament for pulpotomy procedures. Why is there continued interest to find another medicament that performs as well as or better than formocresol?

It has been demonstrated that formocresol may cause failure to develop adequate lung capacity in children.

It has been demonstrated that formocresol may cause spontaneous abortion.

Formocresol is toxic and there is possible bloodborne spread to vital organs.

Application of formocresol is a clinically timeconsuming procedure.

4. Acid etching was introduced by

Wilson and ‘Kent (1972)

Bowen (1965)

Brown (1945)

Buonocore (1955)

5. Xenophobia is

Stranger phobia

Animal phobia

People phobia

Height phobia

6. The most effective immediate action for a child who has accidentally swallowed 10 cc of a 10 percent fluoride solution is to

Have the child drink milk or some other calcium containing liquid

Send the child immediately to the emergency room of a hospital

Have a child drink a 10 percent sodium bicarbonate solution

Have the child to drink copious quantities of water to dilute the solution

7. The most common cause of short stature is?

Constitutional delay in growth

Hypothyroidism

Growth hormone def

Systemic diseases

8. First sign of formocresol pulpotomy failure is:

Bleeding

Pain

Internal resorption

Discoloration

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

Radiographer

Dental assistant

Dentist

Parent

10. The best filling material in deciduous teeth for RCT

Zinc oxide eugenol

Amalgam

Calcium hydroxide

Gutta percha

11. If a child`s teeth do not form this would primarily effect the growth of

Whole face

Alveolar bone

Maxilla

Mandible

12. A 15-year-old female has lived in a non-fluoridated area all of her life. Which of the following is most likely to occur in this young lady when she moves to a community where the drinking water naturally contains 6 ppm of fluoride?

Gastrointestinal problems

An increase in the amount of fluoride stored in her bones

50% reduction in dental caries

Moderate dental fluorosis

13. A lady with an Infant reported to clinic with the complaint of white teeth like structure, at the level of gingiva in mandibular anterior region. What should dentist do?

Selective grinding & let it remain

Extract it under la

Extract the structure under GA

Reassure the parents as root will develop later

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

Thermal conductivity higher than teeth

Moderate solubility and water sorption

Adequate working time

Low volatility

15. A 1-year-old patient has his first dental examination. The dentist reviews with the parent when to expect the next teeth to erupt, teething, oral hygiene tips for toddlers, and discusses fluoride issues with bottled water and toothpaste. The term that describes this proactive approach to dental care is _____.

Anticipatory guidance

Probability counseling

Risk assessment

Preventive support counseling

16. A radiograph of a 4 yr child reveals no evidence of calcification of mandibular second premolars. This means that

It is too early in life to make final predictions concerning development of any permanent teeth

Primary second molar should be extracted to allow permanent 1st molars to drift forward

These teeth may develop later

The child will probably never develop second premolars

17. All of the following statements are true except:

The crown surfaces of all primary teeth are much smoother than the permanent teeth

The pulp cavities are proportionately larger in the primary teeth

The primary teeth are darker in color than the permanent teeth

In general, the crowns of primary teeth are more bulbous and constricted than the permanent counterpart

18. The enamel rods in the gingival third of primary teeth slope occlusally instead of cervically as in permanent teeth, and the interproximal contacts of primary teeth are broader and flatter than permanent teeth.

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

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

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

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

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

Pulp horns further away from the tooth surface

Increased number of accessory canals in pulpal floor

Smaller pulp relative to crown size

Thicker and shorter roots

20. Young permanent tooth with irreversible pulpitis sign is treated as

RCT

DPC

Apexification

IPC

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