Pathology Treatments

Furcation

Canine furcation

Feline furcation

The furcation is the point where the roots separate in a multi-rooted tooth and is often also considered the space between the tooth roots. Furcation involvement and problems occur with attachment loss in this area due to food retention, plaque retention, increased attachment loss, carious lesions. Detection of furcation exposure is determined by use of a probe and radiographs. Exposure exists when a periodontal probe extends into or through the space. Furcation involvement can be divided into the following classifications:

  • Stage 0 (F0) – No furcation involvement.
  • Stage 1 (F1) – a probe extends less than half way under the crown in any direction of a multirooted tooth with attachment loss.
  • Stage 2 (F2) – a probe extends greater than half way under the crown of a multirooted tooth with attachment loss but not through to the other side.
  • Stage 3 (F3) – a probe extends under the crown of a multirooted tooth, through from one side of the furcation to exit the other side.

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