LobeIs one of the primary divisions of a crown; all
Cusp ridgeEach cusp has four cusp ridges radiating
teeth develop from four or five lobes. Lobes are usually
from its tip. They are named according to the direction
separated by readily identifiable developmental
they take away from the cusp tip (for example, mesial,
distal, buccal, or lingual).
MamelonsAre small, rounded projections of enamel
from the incisal edges of newly erupted anterior teeth.
The projections wear away soon after eruption.
RidgeAny linear elevation found on the surface of a
tooth, named according to its location or form.
Lingual ridgeThe ridge of enamel that extends from
the cingulum to the cusp tip on the lingual surface of
Marginal ridgeA linear, rounded border of enamel
that forms the mesial and distal margins of anterior teeth
as viewed from the lingual, and the mesial and distal
borders of occlusal surfaces on posterior teeth.