Pediatric Dentistry #9

1. Enamel has no possibility of repair because

It has no direct connection with the pulp

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

Question 1 of 20

2. Cariogram is given by

Blatterfein

Aramani

Klevin allen

Brathall

Question 2 of 20

3. For placing a stainless steel crown, the word festooned means

Stretching

Cutting

Polishing

Crimping

Question 3 of 20

4. 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

Calcium hydroxide apexification technique

Formocresol apexification technique

Calcium hydroxide pulpotomy

Question 4 of 20

5. Ph of calcium hydroxide is

Question 5 of 20

6. A traumatically intruded deciduous maxillary central incisor should be allowed to reerupt if

it is not possible to splint the tooth

other deciduous teeth are also intruded

there is no danger to the permanent successor

it cannot be extracted

Question 6 of 20

7. The best filling material in deciduous teeth for RCT

Gutta percha

Amalgam

Calcium hydroxide

Zinc oxide eugenol

Question 7 of 20

8. Fluorides are effective in the prevention of dental caries by

increasing the resistance of dentin to bacterial penetration.

causing tooth enamel to be more resistant to demineralization.

providing a more favorable pulpal blood supply.

All of the above.

Question 8 of 20

9. In a 4 year old child, the primary central incisor has discoloured following a traumatic injury. The treatment of choice is

pulpectomy.

pulpotomy.

observation.

extraction.

Question 9 of 20

10. The most appropriate management of a 4mm diameter carious exposure on a vital permanent first molar in a 7 year old is

direct pulp capping.

pulpectomy.

extraction.

partial pulpotomy.

Question 10 of 20

11. In treating mentally, retarded children, one generally finds that they

Respond inconsistently

Can be controlled in ways similar to normal children

Respond similarly to normal children of the same mental age

All of the above

Question 11 of 20

12. According to Cron, the tooth starts erupting after

Three fourths of the root formation is complete

One fourth of the root is formed

One half of the root is formed

The entire root is formed

Question 12 of 20

13. Which of the following oropharyngeal function is not involuntary

Respiration

Tongue position

Speech

Gagging

Question 13 of 20

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

Xylitol is a polyol with the same sweetness as sucrose.

Aspartame is a dipepitide of aspartic acid and glutamic acid.

Saccharin alone is not carcinogenic.

Cyclamate is not approved as a food additive.

Question 14 of 20

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

Convex

Follow the direction of enamel rods

Parallel

Diverge occlusally

Question 15 of 20

16. Xenophobia is

People phobia

Animal phobia

Height phobia

Stranger phobia

Question 16 of 20

17. A 7 year old child who complains of pain when eating, has a large carious lesion on a permanent molar. A radiograph reveals no periapical change. The most appropriate treatment is a/an

pulpotomy.

direct pulp capping.

partial pulpotomy.

indirect pulp capping.

Question 17 of 20

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 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.

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

Question 18 of 20

19. What would be the likely consequences if a deciduous mandibular canine is lost just before the eruption of the adjacent permanent lateral incisor?

There would be delayed eruption of the permanent canine

The midline would be shifted toward the affected side and the lower anteriors will be tipped lingually

The lateral incisor would erupt in crossbite

The teeth posterior to the canine would erupt in crossbite

Question 19 of 20

20. 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?

Periodontal

Primarily periodontal with secondary endodontic involvement

Primarily endodontic with secondary periodontal involvement

Endodontic

Question 20 of 20