Hemisection
The surgical sectioning of a multirooted tooth through the furcation
area so that the blocked, defective, or periodontally involved root
or roots may be removed along with the associated portion of the crown.
An artificial crown is required on the remaining half of the crown.
The remaining half will be restored as a one-rooted tooth, and is
usually attached or anchored to an adjacent tooth, for additional
support and stability.
Root Amputation
Root Amputation refers to the complete removal of one or more roots
of a multirooted tooth, without removal of any portion of the crown.
These procedures may become options for treatment as a last ditch
effort to avoid extracting a tooth that may be supporting an existing
bridge. Often the affected root has an infection of the gum or root
tip. Frequently, this tooth has had a previous root canal and the
root that is removed is the one that is "failing". A tooth
without a root canal can also be amputated; the root canal is done
following the surgery.
Sometimes a multi-rooted tooth has a periodontal (gum) abscess
on one root or a pocket between roots. Amputation of the appropriate
root may make it possible for the pocketed area to remodel the surrounding
bone and render the pocketed area more cleansable, improving the overall
prognosis for that tooth. With the advent of modern dental implants,
hemisection and root amputation are often done as a "temporary
measure" to allow enough bone healing. This is one of the reason
single tooth implants
should be considered as a reasonable treatment option. It turns out
that it is MORE economical once you factor in the fees for the original
root canal, an endo post and core, a crown, root amputation surgery,
replacing the crown, etc., and then the possibility is you lose it!
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Statutory Warning: The information is intended
to help you better understand dental conditions and procedures and should
not be construed as specific medical advice or recommendation. The general
information provided here is not a substitute for a consultation with the
dentists. Only personal discussion of your individual needs with a professionally
qualified doctor / dentist will determine the best method of treatment suitable
for you.