dental materials

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  1. the metal most commonly used in implants is
    A. silver
    B. stainless steel
    C. gold
    D. titanium
    D. titanium
    (this multiple choice question has been scrambled)
  2. the type of implant tha tis inserted into ahole drilled into the bone is
    A. transosteal
    B. exosteal
    C. endosseous
    D. subperiosteal
    C. endosseous
    (this multiple choice question has been scrambled)
  3. with a two stage implant after the fixture is placed which one of the following occurs
    A. the fixture is covered with bone
    B. the implant crown is placed
    C.the healing abutment is placed and the soft tissue is allowed to heal around it
    D. a cover screw is placed and the fixture is covered with soft tissue flap
    D. a cover screw is placed and the fixture is covered the soft tissue flap
    (this multiple choice question has been scrambled)
  4. potential adverse outcomes when an implant fixture is surgically placed include
    a infection around the implant
    b. perforation of one of the cortical plates of bone
    c. improper anulation of the implant
    d. damage to a nerve or a large blood vessel
    e. all of the above
    e. all of the above
  5. immediate placement implants are done
    A. after the bone fills in the extraction socket
    B. to plug the hole made when teh maxillary sinus is accidentally perforated
    C. at the time of extraction of the toth that wil be replaced
    D. only when a bone graft is needed
    C. at the time of extraction of the tooth that will be replaced
    (this multiple choice question has been scrambled)
  6. implants can be used to support which of the following prostheses
    a. single crowns
    b. fixed bridges
    c. partial or complate dentures
    d. all of the above
    d. all of the above
  7. implant crowns are fixed to the implant fixture by which method?
    A. cemented or held by a screw
    B. welded on
    C. cemented only
    D. held in place with a screw only
    A. cemented or held by a screw
    (this multiple choice question has been scrambled)
  8. the instruments used to clean implants where titanium is exposed include
    A. ultrasonic tips
    B. plastic curettes and scalers
    C. air polishers
    D. carbon steel curettes
    B. plastic curettes and scalers
    (this multiple choice question has been scrambled)
  9. which one of the following statements regarding the gingiva around an implant is false
    A. when healthy, the gingiva produces a biological seal against the implant that prevents microorganisms from invading the deeper tissues
    B. the gingiva has connective tissue fibers that connect or integrate with the surface of the implant
    C. the gingiva is closely adapted to the implant but is not attached into the surface
    B. the gingiva has connective tissue fibers that connect or integrate with the surface of the implant
    (this multiple choice question has been scrambled)
  10. the consequences of not maintaining good oral hygiene around an implant include all of the following except one?
    A. inflammation and swelling of the gingiva
    B. loss of the biological seal
    C. bacterial invasion and potential loosening of the implant
    D. increased bone growth due to chronic irritation
    D. increased bone growth due to chronic irritation
    (this multiple choice question has been scrambled)
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75119
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dental materials
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chapter 11 review questions
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