Pediatric Dentistry #3

1. A four-year old child presents with acute pain associated with a primary mandibular second molar that has a large carious lesion with pulpal involvement. Radiographically, there is periapical pathology on the distal root. The child is very cooperative and is able to tolerate long appointments. What is the preferred choice of therapy for the primary mandibular second molar?

Pulpotomy

Extraction

Pulpectomy

Incision and drainage

Question 1 of 20

2. A child with an avulsed tooth comes with tooth placed in milk, the treatment is

Replantation and splint for 7 days.

Discard the tooth

RCT & then Replantation for 7-14 days.

Replantation and splint for 7 -14 days.

Question 2 of 20

3. Enamel has no possibility of repair because

It is a keratin tissue and has no blood vessels

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

Question 3 of 20

4. Which of the following factors in the Stephan's curve is related to the caries incidence and the sugar intake

Physical form of sugar

Ph of plaque

Frequency of sugar intake

Quantity of sugar intake

Question 4 of 20

5. A patient telephones and tells you he has just knocked out his front tooth but that it is still intact. Your instructions should be to

wrap the tooth in tissue and come to your office in a week's time.

place the tooth in milk and come to your office immediately.

put the tooth in alcohol and come to your office immediately.

put the tooth in water and come to your office at the end of the day.

Question 5 of 20

6. The most likely cause of loss of a pit and fissure sealant is the

use of a chemical-cured sealant.

moisture contamination during placement.

the failure to use primer prior to its placement.

placement of the sealant over enamel caries.

Question 6 of 20

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

Low volatility

Thermal conductivity higher than teeth

Moderate solubility and water sorption

Adequate working time

Question 7 of 20

8. Many months after trauma to a primary incisor, the development of a greyish discolouration in the crown usually indicates

external root resorption.

internal root resorption.

pulp canal calcification.

pulp necrosis.

Question 8 of 20

9. Which amino acid is absent in carisolv

Glycine

Glutamic acid

Lysine

Leucine

Question 9 of 20

10. Which of the following is the most frequently utilized route of administration for sedation in pediatric patients?

Oral

Inhalation

Question 10 of 20

11. How much time is considered normal for the eruption of a succedaneous tooth after the exfoliation of a primary tooth?

3 months

15 days

6 months

1 month

Question 11 of 20

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

numerous teeth in the arch are ankylosed

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

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

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

Question 12 of 20

13. In primary dentition, cusp of carabelli is seen in

Maxillary first molar

Mandibular second molar

Maxillary second molar

Mandibular first molar

Question 13 of 20

14. GIC is done for primary teeth mainly because of

Fluoride release

Its colour

All of the above

Its adhesion to dentin and enamel

Question 14 of 20

15. Which of the following teeth is most likely to resist invasion by caries?

Mandibular canine

Maxillary second premolar

Mandibular first molar

Maxillary central incisor

Question 15 of 20

16. Hyposecretion of thyroid hormone during infancy results in

Gigantism

Myxedema

Cretinism

Graves disease

Question 16 of 20

17. Where do lesions commonly occur in the primary form of acute herpetic gingivostomatitis?

All of the above

Tongue

Tonsils, hard and soft palate

Buccal mucosa

Question 17 of 20

18. A child eleven years old traumatized a permanent maxillary central incisor some time ago. The tooth has never been restored. It is now painful and there is evidence of swelling. A periapical x-ray discloses a pathosis associated with the apex. The suggested treatment is:

Extraction

Observation

Pulpectomy

Pulpotomy

Question 18 of 20

19. Keyes triad is related to

Periodontitis

Gingivitis in young children

Dental Caries

Alveolar abscess

Question 19 of 20

20. Congenital epulis of new born bears a resemblance to

giant cell epulis.

schwannoma

juvenile nasopharyngeal fibroma

granular cell myoblastoma

Question 20 of 20