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Procedural complications

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Endodontics procedural complications
TR AS
Mind Map by TR AS, updated more than 1 year ago
TR AS
Created by TR AS over 4 years ago
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Resource summary

Procedural complications
  1. Ledge Formation
    1. Why?
      1. Not a proper straight-line access
        1. Not a proper glyde path
      2. What is it?
        1. Artificial irregularity createdon surface of root canal wall
        2. Usually happens in....
          1. Smaller canals
            1. Curved canals
              1. Longer canals
                1. Inadequate irrigation or lubrication
                2. Solutions
                  1. Flexible NiTi files
                    1. Use smaller instrument to bypass ledge
                      1. A little bend in the file
                    2. Instrument separation or fracture within the confines of a canal
                      1. Why?
                        1. Excessive force
                          1. Jumping up a file size
                            1. Inadequate irrigation or lubrication
                              1. Not replacing files often enough

                                Annotations:

                                • Too many times sterilized
                              2. Flexible NiTi more likely to fracture
                              3. Perforation
                                1. Coronal
                                  1. Through the crown
                                    1. Avoid by burring following the axis of the tooth
                                  2. Furcal
                                    1. Through pulpal floor
                                    2. Strip
                                      1. Excessive coronal flaring
                                        1. Shaves off too much dentin
                                      2. Root
                                        1. For example through a ledge foration (lateral perforation)
                                          1. Immediate hemorrhage or sudden pain

                                            Annotations:

                                            • Due to the PDL: lots of vessels 
                                          2. More apical, better prognosis
                                            1. Internal repair with MTA
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