Endodontics treats and preserves infected teeth to preserve these permanently.
An endodontic treatment includes cleaning the nerve canal to restore health inside the tooth and the adjacent tissue near the apex.
A root can become infected due to e.g. deep caries, cracks in the tooth and root, accidents or even deep periodontal pockets. Here it's important to eliminate the bacteria inside the tooth through systematic irrigation and seal the tooth as tightly as possible to ensure a positive outlook.