retention groove


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re·ten·tion groove

one of the grooves forming opposing vertical constrictions in a tooth to aid in retention of a dental restoration.
Farlex Partner Medical Dictionary © Farlex 2012

re·ten·tion groove

(rē-tenshŭn grūv)
Striatum forming opposing vertical constrictions in a tooth to aid in retention of a dental restoration.
Medical Dictionary for the Dental Professions © Farlex 2012
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