Which of the Following Statements About Furcations Is False

Which of the following statements about furcations is false?

A) Furcation involvement occurs when there is loss of attachment apical to the cementoenamel junction (CEJ) .
B) Furcations located closest to the CEJ are most likely to become involved with periodontal disease.
C) Furcations are generally most cervical on the facial surface of mandibular first permanent molars.
D) The more cervical the furcation,the more stable the tooth.