The lower right (LR) deciduous lateral incisor of a 5-year-old boy is congenitally missing (Fig.1 B).  When and where a tooth is missing, there is no bone.  The underlying permanent tooth buds (LR 2 and 3) are crowded and rotate.

Missing Lower Deciduous Lateral

Xin Wei, DDS, PhD, MS 1st edition 12/10/2016, last revision 12/10/2016