How Could I Get a Cavity Beneath a Dental Crown?

Posted by AllSmiles

I got a crown on a molar tooth in 2017, and the tooth has a cavity in it. How could I get a cavity beneath a crown? Am I going to lose the tooth? – Thanks – Jon from NM

Jon,

A well-made dental crown should typically last longer than seven years. The longevity of a crown depends on factors such as the quality of the materials used, the dentist’s skill, and the patient’s oral hygiene practices.

One critical aspect of crown placement is ensuring a smooth, gap-free margin between the crown and the natural tooth. Roughness or gaps can create areas where plaque can accumulate, increasing the risk of decay.

While insurance companies often have a minimum standard of five years for crown longevity, most dentists aim for much longer. It is unsatisfactory when a crown fails due to decay within seven years, especially for a patient with average oral health.

Depending on the extent of the cavity and the condition of the tooth, a dentist may be able to save it with root canal treatment. An X-ray will reveal whether the tooth is savable.

Your dentist may perform the root canal procedure or refer you to an endodontist (root canal specialist). After the procedure, you will need a new dental crown.

Chandler, Arizona, dentists Dr. William Walden and Dr. Tyrel Beavers sponsor this post. They cater to patients who consider themselves dental cowards.