Pedodontics #3 – Unidontia

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

Ankylosis

Calcific metamorphosis

Dilaceration

Pulpal hyperemia

2. The teeth usually examined in the simplified oral hygiene index are

Premolars and incisors

Molars and premolars

Molars and incisors

Incisors and canines

3. 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

Reassure the parents as root will develop later

Extract it under la

Extract the structure under GA

4. The most common cause of short stature is?

Growth hormone def

Constitutional delay in growth

Systemic diseases

Hypothyroidism

5. All of the following statements are true except:

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

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

The primary teeth are darker in color than the permanent teeth

The pulp cavities are proportionately larger in the primary teeth

6. The form of rampant carries in young patients after radiotherapy for cancer treatment is

Rampant caries

Rampant infant and early childhood decay

ECC

Radiation caries

7. Vital pulp procedures are all except

Apexogenesis

Apexification

IPC

DPC

8. 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

50% reduction in dental caries

Moderate dental fluorosis

An increase in the amount of fluoride stored in her bones

9. 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?

Calcium hydroxide pulpotomy

Calcium hydroxide apexification technique

Reappoint for exam and radiographs in 6 weeks

Formocresol apexification technique

10. 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 _____.

Preventive support counseling

Anticipatory guidance

Probability counseling

Risk assessment

11. Neonatal teeth are

Present 180 days after birth

Erupt within 30 days of birth

Present at birth

Present within 45 days of birth

12. Pulp extirpation in primary teeth is mechanically difficult because of

Lack of cooperation of children

All of the above

Sensitivity of primary pulps

Tortuous anatomy & branching of canals

13. The concept of window of infectivity was introduced by

Garcia-godoy

Caufield

Harris

Tinnanoff

14. Acid etching was introduced by

Wilson and ‘Kent (1972)

Buonocore (1955)

Bowen (1965)

Brown (1945)

15. Speech retardation may be considered if the child does not talk by –

12 months.

36 months.

18 months.

24 months.

16. The calcification of maxillary and mandibular permanent first molars occurs at what age?

Birth

1.5 to 2 years

10 to 12 months

3 to 4 months

17. A tooth has a periapical radiolucency with normal periodontal probing depths except at the mesiobuccal (MB) line angle it probes to the apex. The tooth tests nonvital. What is the most likely classification of the lesion?

Endodontic

Primarily endodontic with secondary periodontal involvement

Primarily periodontal with secondary endodontic involvement

Periodontal

18. There is a marked increase in the incidence of interproximal caries during the age of

6-8 years

2-3 years

3-5 years

7-9 years

19. The number of fontanelles present at birth is

20. The primary purpose of applying cavity varnish is to prevent

Marginal leakage

Pulp exposure

Thermal damage to the pulp

Discoloration of tooth

Question 1 of 20