accessory cusp

ac·ces·so·ry cusp

(ak-sesŏr-ē kŭsp)
Tubercle or extra tooth cusp.
Compare: Carabelli cusp, talon cusp
References in periodicals archive ?
The detailed examination of aortic valve morphology displayed quadricuspid aortic valve (with 3 equal and small accessory cusp type B in the Hurwitz classification and location between noncoronary and right coronary cusp type II in the Nakamura classification), being a very rare congenital abnormality sometimes leading to valve incompetence treated surgically, see Photo 1 [1-5].
(1) Review of literature showed that talon cusp has been referred by several terms like exaggerated cingula, additional cusp, cusp hyperplasia and accessory cusp. (3) It may occur alone or in association with other dental anomalies like bifid cingula, exaggerated cusp of carabelli, dens invagintus and in particular shovel shaped maxillary incisors.
This accessory cusp can occur as an isolated entity or in association with other dental anomalies.
handleyi has both anterior and posterior accessory cusps, whereas males have only a posterior accessory cusp.
The p2 is as large as the p3 with a tall principal cusp with presence of a small posterior accessory cusp. There is a slight ridge for the posterior cingular cusp.
The talon is actually an expanded posterior accessory cusp with cingulum.
The p3 has a small posterior accessory cusp and a very small cingulum anterolingually, while p4 has well developed anterior and posterior accessory cusps, the posterior one being larger and ending in a widened posterior cingulum.
Caucasians commonly have cusp of Carabelli which is an accessory cusp found on the mesio-lingual cusp of maxillary first molar.
Talon cusp is a dental anomaly that occurs as an accessory cusp like structure from the cingulum of maxillary or mandibular anterior teeth.