dental materials

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  1. the melting range can best be described as
    A. the point at which wax softens
    B. the temperature of the heat source required
    C. the point at which the wax flows
    D. a comination of melting points
    A. the point at which wax softens
    (this multiple choice question has been scrambled)
  2. a direct wax pattern is fabricated in the mouth. which property of the inlay wax is the most important
    A. melting range
    B. excess residue
    C. residual stress
    D. flow
    A. melting range
    (this multiple choice question has been scrambled)
  3. a wax pattern is invested and burned out in the lost wax procedure. which property of the inlay wax is the most important
    A. flow
    B. melthing range
    C.removal of excess residue
    D. residual stress
    C. removal of excess residue
    (this multiple choice question has been scrambled)
  4. the wax used to form a base into which to pour a gypsum model is
    A. boxing wax
    B. basplate wax
    C. sticky wax
    D. pattern wax
    A. boxing wax
    (this multiple choice question has been scrambled)
  5. utility wax ropes are used to
    A. make corrections in undercut areas of impression
    B. make forms for wax bite registrations
    C. adapt the periphery of impression trays
    D. hold components together for repair
    C. adapt the periphery of impression trays
    (this multiple choice question has been scrambled)
  6. the sprue is used in the lost wax procedure to
    A. aid in loweirn the melthing range of the wax
    B. account for delayed expansion and contraction in the final casting
    C. hold the wax pattern in the investment
    D. make the channel into which molten metal is forced
    D. make the channel into which molten metal is forced
    (this multiple choice question has been scrambled)
  7. if it is necessary to store a wax pattern or bite registration, it should be stored
    A. refrigerated
    B. in a cool dry place
    C. at room teperature
    D. wraped in guaze
    B. in a cool dry place
    (this multiple choice question has been scrambled)
  8. bite registrations are used to
    A. hold models together during articulation
    B.record the amount of force used in biting
    C. record the occlusal relationship between maxillary and mandibular teeth
    D. record how much force is exerted by the teeth
    C. record the occlusal relationship between the maxillary and mandibular teeth
    (this multiple choice question has been scrambled)
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78001
Card Set
dental materials
Description
ch 18 review questions
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