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]

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api·cos·to·my (a″pĭ-kosґtə-me) dental trephination.

Medical dictionary. 2011.

Look at other dictionaries:

  • apicostome — The trocar and cannula used in apicostomy …   Medical dictionary

  • dental trephination — surgical creation of a fistula by puncturing the soft tissue and cortical bone overlying the root apex to provide drainage. Called also apicostomy …   Medical dictionary

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