supplemental lobe

sup·ple·men·tal lobe

in dental anatomy, an extra lobe; one that is not included in the typical formation of a tooth.
Farlex Partner Medical Dictionary © Farlex 2012

sup·ple·men·tal lobe

(sŭplĕ-mentăl lōb)
In dental anatomy, an extra lobe; one not included in typical tooth formation.
Medical Dictionary for the Dental Professions © Farlex 2012
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