One more year, the extra tooth has grown more into the nose (Fig.3).  The orientation of the normal top front teeth is that the crown (C) is down, while the root (R) is up.  The orientation of an extra tooth can be anything.  In today's case, the crown is up whereas the root is down.  As it is growing, the extra tooth keeps going upstairs (Fig.2 pink arrow).  One day it may grows completely into the nasal cavity, causing nose bleeding and infection!

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Xin Wei, DDS, PhD, MS 1st edition 10/25/2014, last revision 10/25/2014