A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.For each of the following multiple choice questions, choose the most appropriate answer :
1. Chlorhexidine is used as mouth wash in the concentration of:
A. 0.1-0.2 %.
B. 1-2 %.
C. 5-10 %.
D. 20 %
2. What is the cavo-surface angle of prep for amalgam restoration:
A. 30 degree
B. 60 degree
C. 90 degree
D. 130 degree
3. Three year old pt , has anodontia (no teeth at all), what would you do:
A. Full denture
B. Implant.
C. Space maintainer.
D. No intervention
4. Subgingivally scaling and root planning is done by:
A. Gracey Curette.
B. Hoe.
C. Chisel
D. All these
5. It has been proven that amalgam restoration has the following characteristics:
A. Micro leakage decrease with aging of the amalgam restoration.
B. It is the least techniques sensitive of all current direct restorations.
C. High dimensional changes.
D. All of these
6. Actual destruction of the micro organism in root canal attributed mainly to:
A. Proper antibiotic therapy.
B. Effective use of medicaments.
C. Natural defenses in healthy person.
D. Mechanical preparation and irrigation of the canal
7. In 7 Years old patient, all first molars carious and suspected pit and fissure areas of the second molars. Treatment plan:
A. Restore all first molars and observe second molars.
B. Restore all first molars and topical fluoride on second molars.
C. Restore all first molars and seal pits and fissures of second molars
D. Restore first and second molars with composite
8. Which of the following endodontic failure may be retreated only with surgery:
A. Missed major canal.
B. Persistent interappointment pain.
C. Past and core
D. Short canal filling
9. In primary teeth, pathologic changes in radiographs are always seen in:
A. Periapical area.
B. Furcation area
C. Alveolar crest.
D. At base of developing teeth
10. Before filling a class V abrasion cavity with GIC you should,
A. Clean with pumice, rubber cup, water and weak acid
B. Dry the cavity thoroughly before doing anything
C. Acid itch cavity then dry thoroughly
D. All of these
11. Which of the following is the longest in the dental arch:
A. Maxiliary central incisor.
B. Maxiliary second premolar.
C. Mandibular canine.
D. Maxiliary canine
12. The root canal treated teeth has the best prognosis when the root canal is instrumented and obturated:
A. To the radiograph apex.
B. 1 mm beyond the radiograph apex.
C. 1-2 mm short of the radiograph apex
D. 3-4 mm short of the radiograph apex
13. Which of the following failure may be treated non-surgically:
A. Post filling that has removed
B. Severe apical perforation
C. Very narrow canal with a periapical lesion and the apex cannot be reached.
D. None of these
14. Depth of amalgam restoration should be:
A. 1 – 1.5 mm.
B. 1.5 – 2 mm
C. 2 – 3 mm.
D. 3 – 5 mm
15. A class IV composite resin restoration should be finished with a:
A. No. 330 Tungsten carbide bur.
B. Mounted stone.
C. 12- fluted carbide bur
D. Coarse diamond point stone
16. Patient comes to you with edematous gingiva, inflamed, loss of gingival contour and recession, what's the best tooth brushing technique?
A. Modified bass.
B. Modified stillman.
C. Charter.
D. Scrub
17. The best method for tooth brush is Bass method because:
A. It enter to interproximal area
B. Can be used by patient with gingival recession and it rotainary advice to all types of patients.
C. The both sentences are correct.
D. The first sentence is correct and the second is wrong
18. When polishing the amalgam restoration:
A. Avoid heat generation by using wet polishing paste.
B. Wait 24 hours.
C. A and B
D. Neither of these
19. Cause that master G.P not reach working length although it is the same size of last file:
A. Dentin debris.
B. Ledge formation.
C. A and B
D. None of these
20. For treatment of pericoronitis:
A. Extraction of the tooth.
B. Analgesic + Sterility + Antibiotic.
C. Cleaning with concentrated phenol.
D. None
Public Hospital 554/7 New Anaj Mandi, Fatehabad 125050 M: 9810570740, 9810571993
Tel: 01667221011, 9810570740, 9810571993 facebook.com/doctorkc