Mesiodentes can be classified on the basis of their
occurrence in the permanent dentition (rudimentary
mesiodentes) or the primary dentition (supplementary
mesiodentes) and according to their morphology (conical,
tuberculate or molariform).9,16 Enamel pearls, although
much smaller than and developmentally distinct from
mesiodentes, may also be sufficient to impede eruption of
the permanent teeth