K. Duncan et Pjm. Crawford, TRANSPOSITION AND FUSION IN THE PRIMARY DENTITION - REPORT OF CASE, Journal of dentistry for children, 63(5), 1996, pp. 365
Transposition of teeth in the primary dentition is said not to occur.
By contrast, fusion of teeth is the commonest anomaly of number or for
m to affect this dentition. A case is reported where there was both tr
ansposition and fusion of the primary upper right central and lateral
incisors. Details of subsequent anomalies in the permanent dentition a
re also documented.