All of 20 baby teeth eventually come in at the age of 2.5.  They are lovely and as white as ivory.  In addition, they are usually aligned very well as shown in Fig.1.  There are no spaces between them.  A and B stand for four of lower front teeth.  They sit tightly against their neighbors, usually before the age of 4.  Return to main text

Xin Wei, DDS, PhD, MS 1st edition 10/30/2011, last revision 10/30/2011