A<unk> , also known as an "eagle's<unk> ", is an extra<unk>  on an anterior tooth.  The term refers to the same condition as dens evaginatus, but the<unk>  is the manifestation of dens evaginatus on anterior teeth.  The incidence has been found to range from less than 1% to 6% of the population.   Of all cases, 55% occur on the permanent maxillary lateral incisor, and 33% occur on the permanent maxillary central incisor.  They are found rarely in primary teeth.
Talon cusp
Agar plate
Vocal folds
Phrygian cap
Beevor's axiom
Kerley lines
Rossmann fold
Clitoral crura