Pedodontics #4 – Unidontia

1. Young permanent tooth with irreversible pulpitis sign is treated as

DPC

RCT

Apexification

IPC

2. The form of rampant carries in young patients after radiotherapy for cancer treatment is

Radiation caries

ECC

Rampant caries

Rampant infant and early childhood decay

3. 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 pulpotomy

Calcium hydroxide apexification technique

Formocresol apexification technique

4. Stainless steel crown are contraindicated in

Rampant caries

After endodontic therapy

Amelogenesis imperfecta

Medically compromised patient

5. Diluted resin is used in

Type C PRR

All of the above

Type B PRR

Type A PRR

6. 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 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.

7. The definition of primate space is:

The space mesial to the mandibular primary canines and distal to the maxillary primary canines

The space mesial to the maxillary primary canines and distal to the mandibular primary canines

The space distal to the mandibular primary canines and distal to the maxillary primary canines

The space mesial to the maxillary primary canines only

8. How much fluoride, in ppm, is contained in commonly used toothpastes?

12,300 ppm

1,000 ppm

5,000 ppm

9,000 ppm

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

Left in place after the second visit

Saturated with formocresol

Left in place for 15 minutes

Dampened with formocresol

10. Mandibular foramina in a 4 year child is located

Below the level of occlusion plane

At the level of occlusal plane

Above the level of occlusal plane

Near the roots of 1st molar

11. The type of GIC used for ART is

Type IX GIC

Type II GIC

Type III GIC

Type I GIC

12. A 1-year-old patient has his first dental examination. The dentist reviews with the parent when to expect the next teeth to erupt, teething, oral hygiene tips for toddlers, and discusses fluoride issues with bottled water and toothpaste. The term that describes this proactive approach to dental care is _____.

Preventive support counseling

Risk assessment

Probability counseling

Anticipatory guidance

13. If a child`s teeth do not form this would primarily effect the growth of

Maxilla

Whole face

Mandible

Alveolar bone

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

1 minute

5 minute

15 seconds

3 minutes

15. Primary teeth are lighter than permanent teeth because

Difference in crystalline structure makes refractive index different

Because of contrast with the adjacent tissue

Lighter color of enamel

Thin dentin in primary teeth

16. Why are implants not generally performed on a 12-year-old patient with congenitally missing lateral incisors?

The patient would likely not be able to tolerate the surgical procedure.

The implants will appear to submerge as the child gets older.

Waiting for the crowns is too much of an esthetic issue with most children that age.

The gingival tissue will recede as the child gets older.

17. Xenophobia is

People phobia

Animal phobia

Stranger phobia

Height phobia

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

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

The presence of fixed orthodontic appliances

19. Which tooth is the only anterior tooth in either dentition to have a shorter inciso-cervical height than the mesio-distal width?

The primary mandibular lateral incisor

The primary maxillary lateral incisor

The primary maxillary central incisor

The primary mandibular central incisor

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

4th

3rd

6th

1st

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