Pediatric Dentistry #9

1. Splinting of a permanent maxillary incisor following trauma is required in the management of a

Class II fracture.

luxation injury.

Class IV fracture.

concussion injury.

Question 1 of 20

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

Internal Resorption

Mesial migration

External Resorption

Replacement Resorption Ankylosis

Question 2 of 20

3. The facial and lingual walls of the proximal box in case of class ii amalgam filling fo a primary tooth are

Diverge occlusally

Follow the direction of enamel rods

Convex

Parallel

Question 3 of 20

4. Recommended brushing time in children under supervision of parent is

1 minute

15 seconds

5 minute

3 minutes

Question 4 of 20

5. Patients with down`s syndrome normally have

IQ score above 80

Brachycephalic skull

Stiff muscles

All of the above

Question 5 of 20

6. In a 9yr old child all the permanent incisors are present except the left maxillary central incisor .this may be due to

Presence of a supernumerary teeth

Nasopalatine cyst

Congenital absence

Insufficient root formation

Question 6 of 20

7. A mother and her 4 yr old son are seated alone in a reception area with the child staring off into space,rocking and constantly twisting a strand of hair about about his fingers.upon entry of another person the child begins to beat his fist against the side of his face and behaves as though he does not hear his mother speaking to him.this behavior is most characteristic of

An autistic child

A child with a chronic seizure disorder

A mentally retarded child

First dental appointment anxieties of a 4 yr old child

Question 7 of 20

8. The most common primary tooth to become ankylosed is a

maxillary canine.

maxillary molar.

mandibular canine.

mandibular molar.

Question 8 of 20

9. In the presence of a permanent successor, an ankylosed mandibular primary second molar should be extracted in all of the following situations, except

the erupted first permanent molar has started tipping over the ankylosed tooth resulting in loss of arch length

the deciduous tooth is being retained much beyond its normal exfoliation time

the ankylosed tooth is carious and is causing loss of arch length

numerous teeth in the arch are ankylosed

Question 9 of 20

10. Which of the following statements about alternate sweeteners is INCORRECT?

Xylitol is a polyol with the same sweetness as sucrose.

Saccharin alone is not carcinogenic.

Cyclamate is not approved as a food additive.

Aspartame is a dipepitide of aspartic acid and glutamic acid.

Question 10 of 20

11. Difficult to seal teeth include all the following except

The partially erupted permanent second molar

The partially erupted permanent first molar

The fully erupted premolar

The partially erupted premolar

Question 11 of 20

12. Which pulpotomy medicament demonstrates better success rates than formocresol?

Mineral trioxide aggregate

Calcium hydroxide

Resin-modified glass ionomer cement

Fifth-generation bonding agents

Question 12 of 20

13. 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 ?

0.50 mg

0.25 mg

1.0 mg

2.0mg

Question 13 of 20

14. Roots of the permanent maxillary central incisors are completed by what age?

8 years.

10 years.

Later than 12 years.

12 years.

Question 14 of 20

15. 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

Question 15 of 20

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

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

the likelihood of caries progression is reduced.

bacterial loads generally increase under the sealant.

the sealant retention rate is greatly reduced.

Question 16 of 20

17. Acid etching was introduced by

Wilson and 'Kent (1972)

Buonocore (1955)

Bowen (1965)

Brown (1945)

Question 17 of 20

18. The most appropriate treatment for an 11 year old who has intermittent swelling and pain associated with a central incisor which was traumatized 6 months ago is

extraction.

observation.

pulpotomy.

pulpectomy.

Question 18 of 20

19. Cariogram is given by

Aramani

Blatterfein

Klevin allen

Brathall

Question 19 of 20

20. Hyposecretion of thyroid hormone during infancy results in

Cretinism

Myxedema

Gigantism

Graves disease

Question 20 of 20