<unk>  is a condition found in teeth where the outer surface appears to form an extra bump or cusp.  Premolars are more likely to be affected than any other tooth.  This may be seen more frequently in Asians.
Dens evaginatus
Trichostasis spinulosa
Pediculus capitis
Keratoconus
Balanitis circinata
Rothia dentocariosa
Linitis plastica
Pinguecula