Anatomic aberrances like palatoradicular grooves, cervical enamel projection, enamel pearls, cysts, foreign bodies, palatal rugae, etc.
(1) Of all anatomic factors, the cervical enamel projection (CEP) is probably the most common and associated with attachment loss in the molar furcation area.
Cervical enamel projection and intermediate bifurcational ridge correlated with molar furcation involvements.
Prevalence of cervical enamel projection and its correlation with furcation involvement in eskimos dry skulls.
Implication of cervical enamel projection to furcation involvement in molars.
The relationship between cervical enamel projection and class II furcation defects in humans.
Cervical enamel projections might be considered a secondary etiological factor in periodontal breakdown and attachment loss.
Cervical enamel projections: Prevalence, location, and extent; with associated periodontal implications.
Relationship between periodontal furcation involvement and molar cervical enamel projections. J Periodontol 1987;58:715-721.
Furcation involvements correlated with enamel projections from the cementoenamel junction.
Cervical enamel projections as an etiologic factor in furcation involvement.