Violation
A smooth-surface proximal carious lesion
in enamel, can be depicted as a cone with the apex of the cone at the dentino-enamel junction
initially begins as an enamel defect in the contact area
in enamel, can be depicted as a cone with the base of the cone at the dentino-enamel junction
initially begins as a subgingival enamel defect covered with plaque.