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DHYG 101L LECTURE: Anterior Instruments Lecture Exam (Oct 11)

Quiz by Schweitzer, Marlee

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239 questions
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  • Q1
    what does a 90 degree angle look like?
    a right angle, perpendicular to something else makes a 90 degree
    30s
  • Q2
    what does a 45 degree angle look like?
    half of a right angle, an acute angle
    30s
  • Q3
    what is the definition of parallel?
    2 lines running adjacent in the same plane that will never intersect
    30s
  • Q4
    where do we see things that are parallel when instrumenting?
    long axis of the tooth & interproximal spaces & the instrument shank are seen as parallel when instrumenting
    30s
  • Q5
    what is the range and correct/ideal angulation for calculus removal?
    60-80 degrees is ideal with 70 being optimal... but the full range for calc removal is 45-90 degrees
    30s
  • Q6
    what is the correct range of angulation for insertion of instruments before calculus removal?
    0-40 degrees
    30s
  • Q7
    what are the 4 different types of line/stroke directions whe instrumenting?
    vertical, horizontal, oblique, & circumferential
    30s
  • Q8
    what is another name for an oblique stroke?
    a diagonal stroke
    30s
  • Q9
    what is the definition of a cross-section of an object?
    cutting something in half to look in the middle of it
    30s
  • Q10
    what are the 3 possible cross-section shapes for periodontal instruments?
    triangular, circular, & semi-circular
    30s
  • Q11
    do we measure in mm or cm for instrument stroke length and probe depths?
    measure in mm
    30s
  • Q12
    how many mm are in 1 cm?
    10mm = 1cm
    30s
  • Q13
    a UNC-15 probe can measure up to how many mm depth?
    15 mm
    30s
  • Q14
    what is the definition of the midline (of a tooth)?
    bisects the object/tooth in half down the middle
    30s
  • Q15
    what does each BLACK band on a probe usually indicate?
    the different levels of perio disease... the first black band is one of the first stages of perio and the higher the black bands go the worse the stages of perio get
    30s

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