Fig.1 An upper central incisor (#9) before (1a) and after (1b) drawing to show an enlarged canal (between black arrowheads in 1b) and open apex (blue arrow).  Arrowheads in 1a indicate a periapical radiolucent lesion due to necrotic (died) pulp one year after trauma in a 10-year-old girl.  Return to main article or Assistant Page

Xin Wei, DDS, PhD, MS 1st edition 07/12/2011, last revision 07/12/2011