Medical Mcqs

Cavity varnishes have_____________?
  • (A)  Average bonding to tooth
  • (B)  Low bonding to tooth
  • (C)  Excellent bonding to tooth
  • (D)  No bonding to tooth
All of the following statements are true for zinc oxide eugenol cements except______________?
  • (A)  Equal lengths of base paste and accelerator paste are mixed together until the mix has a uniform colour
  • (B)  Increase in temperature and humidity shorten the setting time
  • (C)  The mix appear thick at the start of mixing but after 30 seconds of additional spatulation it becomes more fluid
  • (D)  Water accelerates but heat retards the setting of zinc oxide eugenol cements
  • (E)  Both C & D