apicostomy

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• apicostomy — 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 …   Medical dictionary

• 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