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. For an amalgam Restoration of weakened cusp you should,
A. reduce cusp by 2mm on a flat base for more resistance
B. reduce cusp by 2mm following the outline of the cusp
C. reduce 2mm for retention form
D. None of these
2. Cementum in cervical 2/3 have:
A. A Cellular intrinsic fiber.
B. A Cellular extrinsic fiber.
C. Cellular mixed fibers.
D. Intermediate cementum
3. 7 days after amalgam restoration, patient came complaining of pain during putting spoon on the restored tooth because:
A. Irreversible pulpitis.
B. Reversible pulpitis.
C. Broken amalgam.
D. Galvanic action
4. What is the benefit of rinsing the mouth with water:
A. Plaque removal.
B. Calculus removal.
C. Washing the food debris
D. All of these
5. Mandibular foramen in young children is:
A. At level of occlusal plane.
B. Above the level of occlusal plane.
C. Anterior the level of occlusal plane.
D. Below the level of occlusal plane
6. Best treatment of choice for carious exposure of a primary molar in a 3 year old child who complain of toothache during and after food taking:
A. Direct pulp capping with caoh.
B. Direct pulp capping with zao paste.
C. Formocresol pulpotomy
D. Caoh pulpotomy
7. Post retention depends on:
A. Post length.
B. Post diameter.
C. Post texture.
D. All of these
8. After scaling and root planning healing occur by:
A. Long junctional epithelium.
B. New attachment.
C. New bone and connective tissue formation.
D. New attached periodontal ligament fibers
9. Histopathologically adenoid cystic carcinoma in characterized by islands of:
A. Basophilic islands of tumor cells that are intermingled with areas of pseudocartilage.
B. Basophilic islands of tumor cells having a "Swiss cheese" appearance
C. Basophilic islands of tumor cells having a "Swiss cheese" appearance and evidence of serous acini.
D. Basophilic islands of tumor cells that contain mucin and normal acini
10. Chronic suppurative periodontitis:
A. Patientlains from moderate pain.
B. Fistula with drain.
C. Pulp polyp in open coronal carious lesion
D. All of these
11. 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
12. What is the estimated incubation period of HIV infection:
A. 6 months.
B. 3 years.
C. 6 years.
D. 10 years
13. Currently the only effective preventive measure for periodontal disease, apart from limited use of antiseptic solutions, is:
A. Regular and rough removal of dental plaque.
B. Salt fluoridation.
C. Dental health education
D. None of these
14. What can we use under composite restoration:
A. Calcium hydroxide
B. ZOE.
C. ZINC phosphate cement
D. All of these
15. After finish class v glass-ionomer cement we do finishing with:
A. Pumice slurry.
B. Aluminum-oxide disc
C. Either of these
D. None of these
16. In the preparation of cavity class II , for restoration with composite resin all Cavosurface angles should be:
A. Well rounded
B. Right angles.
C. Acute angles.
D. Obtuse angles
17. Father for child 12 year pt < asked you about ,the age for the amalgam restoration of his child ,you tell him:
A. 2 years.
B. 9 years
C. 2 decades
D. All life
18. All are irrigation for canals EXCEPT:
A. Saline.
B. Hydrogen beroxide.
C. Sodium hypochlorite
D. RC prep
19. The periodontium comprise which of the following tissues:
A. Gingiva and the PDL.
B. Gingival, PDL, and alveolar bone.
C. Gingival, PDL, alveolar bone, and cementum.
D. Gingival, PDL, alveolar bone, cementum, and enamel
20. Reparative dentine:
A. Second dentine.
B. Formed as dentine Bridge above the pulp
C. Highly tubular dentine and it is detective from first dentine.
D. Sclerosing dentine with less permeability
Public Hospital 554/7 New Anaj Mandi, Fatehabad 125050 M: 9810570740, 9810571993
Tel: 01667221011, 9810570740, 9810571993 facebook.com/doctorkc