Pediatric Dentistry #9

1. The greatest problem in pulpal diagnosis is predicting the amount or extent of

Recession

Inflammation

Pathologic resorption

Decay

Question 1 of 20

2. When a pit and fissure sealant is placed over early but noncavitated caries

the sealant retention rate is greatly reduced.

the likelihood of caries progression is reduced.

bacterial loads generally increase under the sealant.

the caries will be arrested only if it is a primary tooth.

Question 2 of 20

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

Electronic explorer

Portable digital X-ray device

Laser fluorescence device

Fiberoptic transilluminator

Question 3 of 20

4. The latex sheets used for rubber dam is usually of

5 x 5 inch

1 x 1 inch

6 x 6 inch

2 x 2 inch

Question 4 of 20

5. Differences between child and adult patient are

Both (a) and (b)

Dentist to the parent relationship

Physical, emotional and psychological development

Dentist to the patient relationship

Question 5 of 20

6. The most successful treatment for a vital primary second molar with a large carious pulp exposure is

Pulpotomy with formacresol

Indirect pulp capping

Pulpotomy with calcium hydroxide

Pulp capping with calcium Hydroxide

Question 6 of 20

7. A 5 year and 4 months old child has a retrusive chin with reduced lower facial height, on intraoral examination, full cusp distal step molar relation is seen. The cephalometric parameters reveal a normal SNA but a reduced SNB. What should be the line of treatment

Review at 6 years

Twin Block

Bionator

Frankel II

Question 7 of 20

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

Low volatility

Adequate working time

Moderate solubility and water sorption

Thermal conductivity higher than teeth

Question 8 of 20

9. The definition of primate space is:

The space mesial to the maxillary primary canines and distal to the mandibular primary canines

The space distal to the mandibular primary canines and distal to the maxillary primary canines

The space mesial to the maxillary primary canines only

The space mesial to the mandibular primary canines and distal to the maxillary primary canines

Question 9 of 20

10. Phobia is defined as

A definite fear arises with in infinity of fear

An anxiety in relation to unknown

A fear to known stimulus

A fear to unknown stimulus

Question 10 of 20

11. Failure of bone resorption over an erupting tooth is due to lack of

osteoclasts.

osteocytes.

fibroblasts.

neutrophils.

Question 11 of 20

12. Stony hard on percussion, tooth stops erupting. Such tooth shows

External Resorption

Replacement Resorption Ankylosis

Mesial migration

Internal Resorption

Question 12 of 20

13. A traumatized primary tooth turns pink over a period of time. The pathologic change that has occurred is

Internal resorption

Enamel hypoplasia

Ankylosis

Complete necrosis

Question 13 of 20

14. Fordyce granules are:

Found on the buccal and lingual aspects of the alveolus

Remnants of the dental lamina

Ectopic sebaceous glands

Epithelial inclusion cysts

Question 14 of 20

15. A healthy 3 year old child has just had a routine extraction of a primary mandibular molar. Which of the following post-operative problems as most likely to occur?

Lip bite

Prolonged bleeding

Pain

Loss of blood clot

Question 15 of 20

16. How much fluoride supplement should be provided to a 1 year old child ( in a day) where the level of water fluoride is 0.02 ppm ?

2.0mg

1.0 mg

0.25 mg

0.50 mg

Question 16 of 20

17. The most appropriate management for a concussed tooth is

splinting.

observation.

pulpotomy.

pulpectomy.

Question 17 of 20

18. The dental pulp first become influenced by dental caries when the carious lesion reaches

The DE junction

The dental pulp

Halfway through the dentin

A point 1 -2 mm from the pulp

Question 18 of 20

19. Which of the following is true about calcification of teeth

Calcification of permanent teeth starts around birth

Calcification of all primary teeth and few permanent teeth complete at birth

Calcification of permanent teeth starts at birth

Calcification of primary teeth is almost complete at time of birth

Question 19 of 20

20. Facial and lingual walls of the proximal box of a class II amalgam cavity preparation in a primary tooth should

Parallel each other

Diverge towards the occlusal surface

Converge toward the occlusal surface

Follow the direction of the enamel rods

Question 20 of 20