How to prevent a Root Canal?

 A cavity or tooth decay is one of the most common things to go wrong with your teeth. Usually a person comes to know of a 'hole' when it starts hurting or paining. By then the cavity is too big and needs a root canal to treat the nerve of the tooth. 

A routine check up done every year may help to detect decay before it gets too big. And we can avoid a root canal with a simple filling.