Pediatric Dentistry #10

1. Fordyce granules are:

Epithelial inclusion cysts

Found on the buccal and lingual aspects of the alveolus

Remnants of the dental lamina

Ectopic sebaceous glands

Question 1 of 20

2. Hyposecretion of thyroid hormone during infancy results in

Gigantism

Graves disease

Cretinism

Myxedema

Question 2 of 20

3. Which of the following is the most recommended endodontic obturating material for deciduous teeth?

Maisto's paste

Ca(oh)2 paste

Zoe

Kri paste

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

Quantity of sugar intake

Ph of plaque

Frequency of sugar intake

Physical form of sugar

Question 4 of 20

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

Buccal mucosa

Tonsils, hard and soft palate

Tongue

All of the above

Question 5 of 20

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

3 months

1 month

6 months

15 days

Question 6 of 20

7. Which of the following is true of apexogenesis?

It is nonvital pulp therapy

Endodontic therapy can be performed more effectively following apexogenesis

Its objective is to artificially close the root apex

It is indicated for a tooth with damaged radicular pulp

Question 7 of 20

8. A 20-month-old female presents with her mother to your office for her first check-up. Her mother is concerned because her daughter only has a few erupted teeth. Upon examining the patient, which teeth should you expect to find?

Primary centrals, laterals, canines

Primary centrals, laterals, first molars, canines

Primary centrals, laterals, first molars, second molars

Primary centrals and laterals only

Question 8 of 20

9. The most physiologic medium to transport an avulsed tooth is

Cold milk

Hanks balanced salt solution

Normal saline

ViaspanTM

Question 9 of 20

10. Why are rounded internal line angles desirable in the preparation of amalgam restorations in primary teeth?

They increase resistance

They conserve tooth structure

They increase retention

They decreases internal stresses in the restorative material

Question 10 of 20

11. Maximum gain in height in boys occurs during which year of life?

6th

4th

3rd

1st

Question 11 of 20

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

Molars and premolars

Incisors and canines

Molars and incisors

Premolars and incisors

Question 12 of 20

13. A 4 yr child has a normal complement of primary teeth but they are grey and exhibit extensive occlusal and incisal wear. Radiographic examination indicates some extensive deposits of secondary dentin in these teeth. This condition is

Cleidocranial dysostosis

Neonatal hypoplasia

Amelogenesis imperfect

Dentinogenesis imperfecta

Question 13 of 20

14. 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?

Pulpectomy

Extraction

Pulpotomy

Incision and drainage

Question 14 of 20

15. Which of the following should be performed to ensure a well-adapted and functional stainless steel crown?

Break interproximal contacts using a tapered bur.

Cement the crown with rubber dam in place.

Prepare a well-defined chamfer margin.

Prepare the tooth with sharp line angles.

Question 15 of 20

16. If the fluoride level in the drinking water is greater than 0.6 ppm at any age, no supplemental systemic fluoride is indicated. If the patient is less than 12 months old, no supplemental systemic fluoride is indicated, whatever the water fluoride level.

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

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 false.

Question 16 of 20

17. A 3 year old requires the extraction of a deciduous maxillary second molar. The local anesthetic technique of choice is

an infra-orbital block.

buccal and palatal infiltration.

a tuberosity block plus subperiosteal infiltration of the mesio-buccal root.

a posterior superior alveolar block.

Question 17 of 20

18. Histologically, the congenital epulis of newborn exhibits

sheets, of closely packed cells resembling plasma cells

sparse lymphocytes, stromal cells and fibrosis

sheets of large closely packed cells, showing fine granular eosinophilic cytoplasm

nuclear pleomorphism, hyperchromatism and bizarre cell forms

Question 18 of 20

19. The first teeth to become involved in nursing bottle caries usually are

Mandibular canines

Maxillary and mandibular anterior teeth

Maxillary anterior teeth

Mandibular anterior teeth

Question 19 of 20

20. In mechanical exposure of pulp (size 0.3mm) what is to be done

Pulpectomy

DPC

IPC

RCT

Question 20 of 20