Secondary caries

Caries has developed again under the filling (white) of tooth 46
Secondary caries is a term used in dentistry .
It describes a renewed formation of caries on a carious area that has already been treated, for example on a protruding, insufficiently dense or damaged filling or crown margin .
See also: predilection point
Secondary caries is to be distinguished from caries recurrence , which is based on inadequately treated caries.