Home Dentistry Articles Cementoenamel junction
The cementoenamel junction, frequently abbreviated
as the CEJ, is an anatomical landmark identified on a tooth.
It is the location where the enamel, which covers the crown
of a tooth, and the cementum, which covers the root of a tooth,
meet. The border created by these two dental tissues has much
significance as it is usually the location where the gingiva
attaches to a healthy tooth by fibers called the periodontal
Active recession of the gingiva reveals the
cementoenamel junction in the mouth and is usually a sign of
an unhealthy condition.