People need a root canal when they have an infected tooth nerve or a damaged dental pulp, according to WebMD. These conditions result from tooth decay or infections, and they are painful. Removal of the nerve and pulp ar... More »

www.reference.com Health Dental

A root canal is recommended when decay, injury or repeated dental work causes a tooth's pulp to become infected or inflamed. The procedure is performed by a specialist called an endodontist. In most cases, patients repor... More »

Sometimes a repeat root canal is needed due to infection. When the soft tissue, called pulp, becomes infected, a dentist drills into the tooth, removes the diseased pulp, cleans and dries the empty chamber, inserts a fil... More »

www.reference.com Health Dental

A root canal infection is treated with a root canal procedure, which entails removing damaged pulp and nerve tissue inside the tooth, explains WebMD. Although the root canal procedure is typically considered highly painf... More »

A root canal procedure entails drilling through the tooth enamel and using files to dig and scrape out all the pulp and nerve tissue inside the tooth, explains WebMD. These files are used in a series of progressively lar... More »

A root canal is recommended when decay, injury or repeated dental work causes a tooth's pulp to become infected or inflamed. The procedure is performed by a specialist called an endodontist. In most cases, patients repor... More »

Dentists use a procedure called a root canal to remove infected or inflamed pulp within a tooth and prevent tooth loss, explains the American Association of Endodontists. The dentist drills into the tooth to expose the p... More »