MeSH definition : Excision of the apical portion of a tooth through an opening made in the overlying
labial, buccal, or palatal alveolar bone. (Dorland, 28th ed);
MeSH synonym : apicoectomies;
MeSH annotation : do not use /util except by MeSH definition;
Wikipedia link : https://en.wikipedia.org/wiki/Apicoectomy;