Pedodontics Revision #4

1. An advantage of the rubber dam is that it

Reduces the necessity for a carefully carved cervical margin

Muffles any screams the child may emit

Aids in the management of child behaviour

Enables the operator to salvage silver scraps

Question 1 of 20

2. The proposed mode of inheritance of cleft lip and palate is

X linked recessive

Autosomal recessive

Multifactorial

Autosomal dominant

Question 2 of 20

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

Widening of PDL in apical 1/3 rd

Internal resorption

Radiolucency at apex of root

Radiolucency in furcation area

Question 3 of 20

4. The union of two teeth by the crowns is

Concrescence

Fusion

Ankylosis

Gemination

Question 4 of 20

5. When a deciduous tooth is moved orthodontically, the associated permanent tooth germ

follows this movement

moves in the opposite direction

is not affected

can move in any direction

Question 5 of 20

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

Surgical repositioning and conventional endodontic therapy

Gradual orthodontic repositioning and calcium hydroxide pulpectomy

Surgical repositioning and calcium hydroxide pulpectomy

Gradual orthodontic repositioning and conventional endodontic therapy

Question 6 of 20

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

Oral

Inhalation

Question 7 of 20

8. If a 7 yr old child loses a primary mandibular canine at the same time the adjacent lateral incisor is erupting, the dentist should be alert to the possibility of

A tongue habit

Crowding of the mandibular anterior teeth

A developing crossbite

Early eruption of the permanent canine

Question 8 of 20

9. Which of the following dental health recommendations is consistent with the general nutrition guidelines?

Brush your teeth well after snacks.

Eat a bigger lunch and not snack.

A piece of fruit and plain yogurt is an acceptable snack.

Diet soft drinks and potato chips are an acceptable snack.

Question 9 of 20

10. Roots of the permanent maxillary central incisors are completed by what age?

10 years.

Later than 12 years.

8 years.

12 years.

Question 10 of 20

11. 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?

Formocresol apexification technique

Calcium hydroxide apexification technique

Reappoint for exam and radiographs in 6 weeks

Calcium hydroxide pulpotomy

Question 11 of 20

12. A 4 year old has a primary central incisor that is yellow but asymptomatic. The most probable diagnosis is

pulpal calcification.

external resorption

pulpal necrosis.

internal resorption.

Question 12 of 20

13. Prolonged retention of deciduous teeth with delayed eruption of permanent teeth, may occur in a patient suffering from

cleidocranial dysplasia

achondroplasia

infantile cortical hyp3rostosis

massive osteolysis of bone

Question 13 of 20

14. Most common caries seen in primary 1 molar:

Proximal surface above contact point

Occlusal pits and fissures

Proximal surface below contact point

Buccal surface below height of contour

Question 14 of 20

15. Which of the following arises within the first 2 years of life

All of the above

Osteitis deformans

Caffey's disease

Osteogenesis imperfect

Question 15 of 20

16. In the primary dentition, the mandibular foramen is located where in relation to the plane of occlusion?

Much higher than the plane of occlusion

Higher than the plane of occlusion

Lower than the plane of occlusion

The same level as the plane of occlusion

Question 16 of 20

17. What would be the treatment of choice for an ectopically erupting permanent maxillary first molar which has already caused slight resorption of the adjacent deciduous molar?

Stripping of the distal surface of the deciduous tooth to allow the permanent molar to erupt

Extraction of the deciduous tooth

An uprighting spring for the permanent molar

Brass ligature wire looped in the contact area to move the permanent molar distally

Question 17 of 20

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

Left in place after the second visit

Dampened with formocresol

Saturated with formocresol

Left in place for 15 minutes

Question 18 of 20

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

Smooth sharp edges.

Extraction.

Pulpotomy.

Pulpectomy.

Question 19 of 20

20. Best drug for ANUG in a 8 year old child

2nd gen cephalosporin

Penicillin

Aminoglycoside

Tetracycline

Question 20 of 20