The most dangerous type of tooth decay is root decay, as tooth decay and root necrosis is one of the most common health problems that affect teeth.

This condition occurs due to neglecting the treatment of tooth decay in its early stages, as it increases and affects the deeper layers of the tooth, causing root decay and resulting in severe tooth pain, in addition to the spread of infection in neighboring teeth and the loss of affected teeth, and many symptoms occur, such as:

Severe bouts of pain.

Tooth abscess.

Swelling around the affected tooth.

Drainage of pus from the affected tooth area.

Damaged or broken teeth.