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an intraoral surgical operation for deepening the labial, buccal, or lingual sulci; it is performed to increase the intraoral height of the alveolar ridge in order to assist denture retention.
Farlex Partner Medical Dictionary © Farlex 2012
ridge ex·ten·sion(rij ek-stenshŭn)
Intraoral surgical operation for deepening labial, buccal, or lingual sulci; performed to increase intraoral height of alveolar ridge to assist denture retention.
Medical Dictionary for the Dental Professions © Farlex 2012