Pliny, Bartholinus, and Melanthon pretend to have seen the union of all the teeth, making a continuous mass.

In the "Musee de l'ecole dentaire de Paris" there are several milk-teeth, both of the superior and inferior maxilla, which are fused together.

Bloch cites a case in which there were two rows of teeth in the superior maxilla.

Hellwig has observed three rows of teeth, and the Ephemerides contain an account of a similar anomaly.
Extraoral Dentition .-- Probably the most curious anomaly of teeth is that in which they are found in other than normal positions.

Albinus speaks of teeth in the nose and orbit; Borellus, in the palate; Fabricius Hildanus, under the tongue; Schenck, from the palate; and there are many similar modern records.