1) The most widely used pin is
a) cemented pin .
b) self-threaded pin.
c) friction locked pin .
2) Which of the following is the indication of the use of a pin
a) a class II amalgam restoration where one or more cusps have been lost or where the outline form otherwise far exceeds that which considered normal
b) a vary large class III amalgam restoration.
c) a preparation for amalgam buildup over which a cast restoration will be fabricated.
d) all of the above.
3) All of the following are major parts of a hand instrument except :
a) handle.
b) shank .
c) nib.
d) blade.
4) A lesser number of blades in a bur results in
a) more efficient cutting and smoother surface.
b) less efficient cutting and rougher surface.
c) more efficient cutting and rougher surface.
d) less efficient cutting and rougher surface.
5) Which of the following instrument is designed for the removal of caries and refinement of the internal part of the preparation
a) a hoe.
b) a file.
c) a excavator.
d) a scalar.
6) Which a grasp of the hand instrument allows for the greatest intricacy or delicacy of a touch
a) the modified pen grasp.
b) the inverted pen grasp.
c) the palm and thumb grasp.
d) the modified palm and thumb grasp .
7) Chisel is used primarily to cut
a) dentine.
b) cementum .
c) enamel .
d) amalgam.
Enamel is etched with
a) boric acid.
b) acetic acid .
c) phosphoric acid.
d) nitric acid.
9) Which of the restorative material listed below has lowest thermal conductivity and diffusivity
a) amalgam.
b) gold.
c) unfilled resin.
d) filled resin.
10) The most popular method to polymerize matrix monomer is
a) self - cured.
b) chemical - cured .
c) ultra violet light - cured.
d) visible light - cured.
موضوع: POST GRADUTE OPERATIVE MCQ TESTS 
الجمعة فبراير 12, 2010 1:29 am
