Los Angeles Root Canal Specialists

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Los Angeles Root Canal Specialists
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Introduction

• A root canal is the anatomic space within the
  root of a tooth.
• Part of a naturally occurring space within a
  tooth, it consists of the pulp chamber (within
  the coronal part of the tooth), the main
  canal(s), and more intricate anatomical branches
  that may connect the root canals to each other or
  to the surface of the root.
• Root canals presenting an oval cross-section are
  found in 50-70 of root canals.

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• In addition, canals with a "tear-shaped" cross
  section are common when a single root contains
  two canals (as occurs, for example, with the
  additional mesial root seen with the lower
  molars), subtleties that can be more difficult to
  appreciate on classical radiographs.
• Recent studies have shown that use of cone-down
  CT can detect accessory canals that would have
  been missed in 23 of cases, which can in turn
  lead to apical periodontitis.
• The upper molars, in particular, are predisposed
  to have an occult accessory canal in nearly half
  of patients.
• When rotary nickel titanium (NiTi) files are used
  in canals with flat-oval or tear-shaped cross
  sections, a circular bore is created due to the
  rotational action of the metal.

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