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endodontics en·do·don·tics (ěn'dō-dŏn'tĭks)
The branch of dentistry that deals with diseases of the tooth root, dental pulp, and surrounding tissue.
in dentistry, diagnosis, treatment, and prevention of diseases of the dental pulp and the surrounding tissues. (The dental pulp is soft tissue in the centre of the tooth; it contains the nerve, blood and lymphatic vessels, and connective tissue.)