Test Your Knowledge - Free MCQ PRACTICE
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DRIVINGTEST
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. The correct access cavity preparation for the mandibular second molar is:
A. Oval.
B. Quadrilateral.
C. Round.
D. Triangular

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. In primary tooth for restoration before putting the filling u put:
A. Base.
B. Calcium hydroxide.
C. Varnish.
D. You put the filling after proper cleaning and drying

4. 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

5. 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

6. Removal of Undermined Enamel in Class II cavity is done by :
A. Chisel
B. Angle former
C. Excavator
D. All of these

7. Length of pins must be equals in both tooth and restoration by a depth of:
A. 1 mm.
B. 2 mm
C. 3 mm.
D. 4 mm

8. Single rooted anterior teeth has endodontic treatment is best treated by:
A. Casted post and core
B. Performed post and composite.
C. Performed post and amalgam.
D. Composite post and core

9. 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

10. Treatment of internal resorption involves:
A. Complete extirpation of the pulp to arrest the resorption process
B. Enlarging the canal apical to the resorbed area for better access.
C. Utilizing a silver cone and sealer to fill the irregularities in the resorbed area.
D. Filling the canal and defect with amalgam

11. 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

12. The basic difference between K files and reamers is:
A. The number of spirals or flutes per unit length.
B. The geometric cross section
C. The depth of flutes.
D. The direction of the spirals

13. Selection of shade for composite is done:
A. Under light.
B. After drying tooth & isolation with rubber dam
C. Both A and B
D. None of the above

14. Rubber dam is contraindicated in:
A. Patient with obstructive nose
B. Mentally retarded Patient
C. Un comparative child.
D. All of these

15. Silicate cement:
A. First tooth colored restoration material
B. It can be used as permanent filling.
C. It contains 12-25 % fluoride
D. A and C

16. Indirect composite inlay overcome the direct composite by:
A. Insufficient polymerization
B. Good contact proximally
C. Gingival seal
D. All of these

17. Composite for posterior teeth:
A. Microfilled + fine filler.
B. Macroflled + rough filler.
C. Hybrid + rough filler
D. None of these

18. Which of the following materials has been shown to simulate reparative dentine formation most effectively when applied to the pulpal wall of a very deep cavity:
A. Copalite varnish.
B. Calcium hydroxide preparation
C. Zinc phosphate cement.
D. Anhydrous class inomer cement

19. 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

20. Polyvinyl silicon compared with polysulfide:
A. Can be poured more than once.
B. Can be poured after 7 days.
C. Less dimensional stability.
D. A and B

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