Pediatric Dentistry #3

1. Fluoride varnish (5% sodium fluoride in a resin vehicle) is the preferred choice of pediatric dentistry for in-office fluoride delivery for which of the following reasons?

Ease of delivery

Measured maximum dose/exposure to fluoride ion

All of the above

Stays on enamel surfaces longer than any other fluoride product/longer contact time

Question 1 of 20

2. The lowest incidence of cleft palate is seen in which of the following

Mongoloid

Negroes

Indians

Afghans

Question 2 of 20

3. Most natal and neonatal teeth are primary teeth. They should be extracted.

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

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

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

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

Question 3 of 20

4. A 6 yr old child who has been diagnosed as hyperkinetic appears at your office in an obvious state of anxiety at the impending treatment.upon interview his mother relates that he is taking 30 mg of methylphenidate daily.which of the following should you do in planning to make the child more manageable

Double the daily dose of ritalin 1 hr before the dental appointment

Call the childs physician and discuss with him the childs regimen

Balance the medication with 65 mg phenobarbital

Ask the mother to discontinue medication on the day of the dental visits

Question 4 of 20

5. When treating rampant dental caries the first step is to

Restore all teeth with stainless steel crown

Perform a diet analysis and apply topical fluoride solution to all teeth

Perform a prophylaxis instruct in oral hygiene and watch for improved habits

Excavate softened tooth structure and temporize with zinc oxide eugenol

Question 5 of 20

6. Chronic pulpal involvement in a deciduous molar is first manifested as

Radiolucency at apex of root

Widening of pdl in apical 1/3 rd

Radiolucency in furcation area

Normal pulp

Question 6 of 20

7. All of the following instances, except one, may make the use of a rubber dam impractical. Which is the exception?

The presence of fixed orthodontic appliances

A recently erupted tooth that will not retain a clamp

A very nervous or anxious patient

A patient with congested nasal passages or other nasal obstruction

Question 7 of 20

8. A permanent incisor with a closed apex is traumatically intruded. What is the treatment of choice?

Gradual orthodontic repositioning and calcium hydroxide pulpectomy

Surgical repositioning and conventional endodontic therapy

Surgical repositioning and calcium hydroxide pulpectomy

Gradual orthodontic repositioning and conventional endodontic therapy

Question 8 of 20

9. A 5 year old has an enamel fracture of tooth 6.1. What is the most appropriate immediate management?

Pulpectomy.

Pulpotomy.

Extraction.

Smooth sharp edges.

Question 9 of 20

10. 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?

Calcium hydroxide apexification technique

Reappoint for exam and radiographs in 6 weeks

Calcium hydroxide pulpotomy

Formocresol apexification technique

Question 10 of 20

11. The cotton pellet applied to the pulpal stumps in the formocresol pulpotomy technique should be

Dampened with formocresol

Saturated with formocresol

Left in place for 15 minutes

Left in place after the second visit

Question 11 of 20

12. A CONTRAINDICATION for a pulpectomy on a primary molar is

pulpal hyperemia.

spontaneous nocturnal pain.

less than 1/3 of the root structure remaining.

pulp tissue necrosis.

Question 12 of 20

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

maxillary canine.

maxillary molar.

mandibular molar.

mandibular canine.

Question 13 of 20

14. As compared with permanent teeth, primary teeth have:

Thicker and shorter roots

Increased number of accessory canals in pulpal floor

Smaller pulp relative to crown size

Pulp horns further away from the tooth surface

Question 14 of 20

15. Generally, a 20 second etching time is recommended. Enamel that has been exposed to fluoride may be resistant to etching and may aced to be exposed for longer periods.

Both the statements are false

Both the statements are true

First statement is false and the second is true

First statement is true and the second is false

Question 15 of 20

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

the sealant retention rate is greatly reduced.

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

bacterial loads generally increase under the sealant.

the likelihood of caries progression is reduced.

Question 16 of 20

17. Your patient is 9 years old. The mandibular left first primary molar has a large, carious lesion on the distal and on the occlusal and the tooth has greater mobility than what you would normally expect. You should _____.

Perform a pulpotomy

Perform a pulpectomy

Extract the tooth and consider space maintenance

Take a radiograph of the area

Question 17 of 20

18. Which of the following is the most likely cause pulpal necrosis following trauma to a tooth?

Ankylosis

Calcific metamorphosis

Pulpal hyperemia

Dilaceration

Question 18 of 20

19. Which of the following is/are true regarding patients with asthma?

Have a tendency for being dolichofacial

Pain management is best achieved with narcotics

Increased risk for caries

Both a and c

Question 19 of 20

20. 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 pulp cavities are proportionately larger in the primary teeth

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

Question 20 of 20