endodontics

from WordNet (r) 3.0 (2006)

endodontics
    n 1: the branch of dentistry dealing with diseases of the dental
         pulp [syn: {endodontics}, {endodontia}]

from The Collaborative International Dictionary of English v.0.48

endodontics \endodontics\ n.
   1. the branch of dentistry dealing with diseases of the
      dental pulp.

   Syn: endodontia.
        [WordNet 1.5]

   2. the treatment of diseases of the dental pulp, especially
      by completely removing the pulp and nerve inside a tooth
      and its root, and replacing it with a filling material;
      root canal therapy; pulp canal therapy.
      [PJC]