Pediatric Dentistry #4

1. Your patient is 7 years old and has a very large, carious lesion on tooth T. What radiological factors should be used in determining the best treatment of choice between pulpotomy and primary endodontics?

All of the above

Furcation involvement

Internal root resorption

External root resorption

Question 1 of 20

2. In preparing a primary first molar for a stainless steel crown, the surface requiring the least amount of reduction is

Lingual

Occlusal

Mesial

Facial

Question 2 of 20

3. 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

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

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

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

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

Question 3 of 20

4. Prior to reimplantation, tooth is soaked in 3% citric acid. This is done to

Increase surface reactivity

Etch the surface

Remove the PDL

Disinfect the tooth

Question 4 of 20

5. In primary molars, the cusp with the largest pulp horn is the

mesiolingual.

distobuccal.

mesiobuccal.

distolingual.

Question 5 of 20

6. The effects of constant mouth breathing include

expansion of the maxilla.

mandibular incisor protrusion.

maxillary incisor retrusion.

anterior open bite.

Question 6 of 20

7. Radiographs of traumatized teeth are necessary to

all of the above

detect root fractures

find out if tooth fragments have been embedded in the soft tissues

determine the stage of root development

Question 7 of 20

8. Fordyce granules are:

Remnants of the dental lamina

Epithelial inclusion cysts

Ectopic sebaceous glands

Found on the buccal and lingual aspects of the alveolus

Question 8 of 20

9. The carious lesion always appears smaller on the radiograph than it actually is. Likewise, microscopic observation of ground sections of teeth reveal that the progress of the lesion through the enamel and dentin is more extensive than it is evident on the radiograph.

First statement is true and the second is false

First statement is false and the second is true

Both the statements are true

Both the statements are false

Question 9 of 20

10. Acute gingivitis of sudden onset in year old is most likely to be

herpes zoster

acute herpetic gingivostomatitis

periodontosis

candidiasis

Question 10 of 20

11. A 7 year old patient presents 4 hours post-trauma with an oblique crown fracture of tooth 2.1 exposing 2mm of vital pulp. The most appropriate treatment is

pulpectomy and obturation with gutta-percha.

extraction and prosthesis.

pulpectomy and obturation with calcium hydroxide.

vital pulpotomy and placement of calcium hydroxide.

Question 11 of 20

12. Preventive resin restoration is used

In cavitated pit and fissure sealants

In non accessible proximal areas

In deep caries

Used in non cavitated pit and fissure sealants

Question 12 of 20

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

6th

1st

3rd

4th

Question 13 of 20

14. It is best to use which of the following for a topical fluoride application in the office for a patient that has porcelain, glass ionomer or composite restorations?

None of the above

Neutral sodium fluoride

Acidulated fluoride (apf) solutions

Stannous fluoride

Question 14 of 20

15. Pulpotomy comes under which level of prevention:

Primary

Primordial

Secondary

Tertiary

Question 15 of 20

16. The most appropriate treatment following the extraction of a first primary molar in a 4 year old child is

to perform space analysis.

regular assessment of arch development.

extraction of the contra-lateral molar.

insertion of a space maintainer.

Question 16 of 20

17. What is the minimum alveolar concentration of nitrous oxide (Vol %)?

105

Question 17 of 20

18. A permanent incisor with an open apex is extruded 4 mm following an injury 15 minutes ago. What is the treatment of choice?

Reposition, splint, monitor closely for vitality.

No immediate treatment, monitor closely for vitality.

Reposition, splint, initiate calcium hydroxide pulpotomy.

Reposition, splint, initiate calcium hydroxide pulpectomy.

Question 18 of 20

19. Class II cavity preparation for amalgam, restorations in deciduous teeth requires

more buccclingual extension as the proximal contact points ate broad and flat

less buccoringual extension as the proximal contact points are broad and flat

less buccolingual extension as the proximal contact points are rounded and narrow

more buccolingual extension as the proximal contact points are rounded and narrow

Question 19 of 20

20. "QID" indicates

Twice daily

Thrice daily

Once daily

Four times a day

Question 20 of 20