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Deep Impression Taking Procedures

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1.  What percentage of impressions can be used to make an IIC today?
  1. Less than 20%
  2. 30-40%
  3. 50-60%
  4. 70-80%
  5. Almost 90%
2.  After instruction, what percent of impressions are adequate for the manufacture of an IIC?
  1. Less than 20%
  2. 30-40%
  3. 50-60%
  4. 70-80%
  5. Almost 90%
3.  Some examples of contraindication of deep impressions or IIC include
  1. Osteomas and exostis obstructing the canal
  2. Perforation of the TM
  3. Active infection of outer or middle ear
  4. All of the above
  5. A and C
4.  Exostoses is
  1. Outer ear infection
  2. boney growth in the ear canal
  3. external cartilage growth
  4. A and C
  5. Non of the above
5.  In the patient history, we should be aware of
  1. use of blood thinning medications
  2. allergic reactions to impression materials
  3. color preferences
  4. All of the above
  5. A and B
6.  During the otoscopic exam, we should be looking for
  1. cerumen
  2. foreign objects
  3. anatomical landmarks
  4. All of the above
  5. B and C
7.  When using an cottom dam, it is recommended
  1. to flatten the dam out
  2. use a much larger dam than normal
  3. use OtoEase on the dam to lubricate the canal
  4. All of the Above
  5. A and C
8.  Before injecting the impression material
  1. fill out the order form completely
  2. measure the ear canal for candidacy
  3. visually inspect the placement of the cotton dam
  4. All of the above
  5. B and C
9.  When removing the impression
  1. have the patient move their jaw to assist in breaking the seal
  2. lift the pinna up and back
  3. rotate the impression slowly
  4. take your time and make sure the seal is broken
  5. All of the above
10.  If the impression is too short
  1. attempt to retake the impression
  2. send it in and we will do it anyway
  3. ask that manufacturing "add on" to make the impression long enough
  4. No worries. It will all work out in the end