Dental Materials

  1. the acid used most commonly to etch tooth structure for bonding procedures is

    A. phosphoric
  2. all of the following statements about bonding to enamel are true except one.

    D. achieved by chemical bonding
  3. bonding to dentin

    D. is best accomplished when the dentin is kept moist after etching
  4. all of the following statements about resin bonding agents are true except one

    B. they chemically bond to the dentin
  5. self-etching bonding agents

    d generally etch enamel equally as well as dentin
    A. use acidic primers to etch the tooth structure
  6. total etch bonding systems

    A. may result in tooth sensitivity caused by over drying or over etching
  7. with the total etch system when bonding to dentin one of the following statements is true.

    B. the surface of the etched, washed and dried dentin should be glistening
  8. dentin sensitivity can be caused by

    E. all of the above
  9. the smear layer

    B. is a tenacious layer of cut tooth debris on the surface of enamel and dentin
  10. all of the following statements about bonding to repair fractured porcelain on a crown are true except one

    D. 10% phosphoric acid is used to etching the porcelain
  11. which one of the following does NOT interfere with the formation of a good bond?

    A. moist dentin after rinsing etchant off and lightly drying
  12. which one of the following is true regarding the bonding of amalgam to a cavity preparation

    A. freshly mixed amalgam is condensed onto unset bonding resin
  13. when endodontic posts are bonded into root canals the boding agent should not be

    B. light curing
  14. all of the following are correct steps for bonding orthodontic brackets except one

    B. the enamel is rinsed and left slightly moist
  15. when bonding composite resin to metal that is exposed after the overlying porcelain has fractured which one of the following is FALSE?

    A. bonding agents are not needed because the composite resin sticks to the metal
Card Set
Dental Materials
chapter 5 review questions