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Cavities Underneath Old Fillings

Many patients are surprised to know that they can get a new cavity underneath a previous placed filling. This can occur for a number of reasons. It is very important to have your fillings checked regularly so that these cavities can be repaired before the tooth needs more extensive treatment.

This picture shows an old tooth coloured filling with a very small crack in the filling. The crack is enough to allow bacteria to enter the tooth and cause decay.

The filling is removed to get access to the decay. The decay is evident by the brown discolouration. The yellow tooth colour represents healthy dentin.

The decay has been removed. The picture shows healthy dentin free of bacteria.

A new filling has been placed which is nicely sealed and integrated to the surrounding enamel. Notice the natural contours and tooth anatomy which allow cleaning with floss and proper function with the opposing tooth.