trephination
[tref€´€ĭ-na´shun] use of the
trephine for creating an opening in the skull or in the sclera.
dental trephination surgical creation of a fistula by puncturing the soft tissue and bone overlying the root apex to provide drainage. Called also
apicostomy.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
ap·i·cos·to·my
(ap'i-kos'tō-mē), An operation in which the labial or buccal alveolar plate is perforated with a trocar and cannula; done to reach the root apex and to take bacterial cultures from this area.
[apico- + G. stoma, mouth]
Farlex Partner Medical Dictionary © Farlex 2012
ap·i·cos·to·my
(ap'i-kos'tō-mē) An operation in which the labial or buccal alveolar plate is perforated with a trocar and cannula; performed to reach the root apex and to take bacterial cultures from this area.
[apico- + G. stoma, mouth]
Medical Dictionary for the Dental Professions © Farlex 2012