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Bone Cyst
A radicular cyst (bone cyst) is a cyst which grew out of an embryonic residual tissue due to a dentogenic inflammation stimulus. Patients often speak of a dental cyst and don´t really know what is meant by that. During our embryonic development lots of cells move from one place to another to finally build organs, tissue and parts of the body. Thereby the cells are guided through other cells-so called "guide cells". As soon as the function of the "guide cells" is fulfilled they shrivel or just stay in the tissue. That´s the reason why there are remains in the jaw of the embryonic dental lamina, a structure from which jaw bones, teeth and other structures resulted. The cell remains can be stimulated to growth by the immune system, e.g. through an inflammation stimulus. A bad root treatment evokes an inflammation stimulus on the root tip. If there are cell remains a so called radicular cyst can develop.
Typical symptoms include:
  • tooth migration
  • tooth ache
  • tooth discoloration
Risk factors for radicular cyst include:
  • bad root canal treatment
  • Tooth Trauma
Treatment consists of cyst eradication.
Produced: 04/2011
Sometimes root canal treatments inadequately treat a root infection and an infective inflammatory response can still ensue and induce the formation of a cyst. Steven Koos DDS, MD
Posted: 10 years ago