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  • <p>The root canal system within a tooth can be quite varied and complex, which can make the job of providing treatment for it quite difficult.</p><p>For example, what may seem to be a single canal may really be one that branches off.</p><p>Treatment success will depend on cleaning and sealing both paths.</p>
     

    The root canal system within a tooth can be quite varied and complex, which can make the job of providing treatment for it quite difficult.

    For example, what may seem to be a single canal may really be one that branches off.

    Treatment success will depend on cleaning and sealing both paths.

  • <p>X-rays can give a hint of a system's complexity but they can be hard to read.</p><p>For example, this x-ray clearly shows two canals in one root (B). But it's not clear if the two remain separate or join at the root's end.</p>
     

    X-rays can give a hint of a system's complexity but they can be hard to read.

    For example, this x-ray clearly shows two canals in one root (B). But it's not clear if the two remain separate or join at the root's end.

  • <p>The "single" canal in the other root (A) could actually be two separate ones that just happen to be overlapped due to the angle at which the x-ray was taken.</p><p>To be successful, the dentist must accurately decipher each of these puzzles.</p>
     

    The "single" canal in the other root (A) could actually be two separate ones that just happen to be overlapped due to the angle at which the x-ray was taken.

    To be successful, the dentist must accurately decipher each of these puzzles.

  • <p>Some root canals are overlooked during treatment because they are so minute.</p><p>To aid in their detection, the dentist may scan the interior of the tooth using a microscope.</p>
     

    Some root canals are overlooked during treatment because they are so minute.

    To aid in their detection, the dentist may scan the interior of the tooth using a microscope.