Quick Answer: Why Do You Get A Cavity Under A Crown?

What happens if you get a cavity under a crown?

Cavities Under a Dental Crown If tooth decay happens under the crown then the dentist will have to replace the crown that is on the top of the tooth.

This is what is going to help the tooth heal.

The dentist can then repair the tooth and place a new crown on the top of it..

Can a tooth get infected under a crown?

Sometimes, the crown puts pressure on a traumatized nerve, and an infection occurs. Or, infections can result from old fillings underneath the crown that leak bacteria that infects the nerve. Signs of infection include: pain when you bite.

Should the tooth under a crown be black?

Is it normal for my tooth to look black under my crown? It’s not supposed to darken. Most of the time, tooth discoloration is caused by bacteria getting in the dental crown. It can also be the result of inadequate seal on the crown.

How long do dental crowns last?

On average, dental crowns last between five and 15 years. The life span of a crown depends on the amount of wear and tear the crown takes, how well you follow good oral hygiene practices, and your personal mouth-related habits.

Why are crowns bad?

Poor fit – which causes recurrent tooth decay and sensitivity. The crown will need to be replaced frequently and will fail quickly. Over-contoured crowns will cause inflammation around the tooth, gum disease, decay, and quick crown failure.