Multiple choice

Which of the following statements is/are false about cleaning and shaping of the canal?

  1. Shaping of canal is done after cleaning the apical 1/3rd to ensure patency.

  2. Shaping facilitates placement of instruments to the working length by increasing the coronal taper.

  3. Shaping permits more accurate assessment of the apical cross-section diameter of the canal.

  4. Only 1, 2 and 3

  5. Shaping is necessary for more calcifications that occur from coronal portion to the apex.
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A Correct answer
Explanation

This is an incorrect statement about cleaning and shaping of the canal.

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