Fig.1 *: new cavity (gap) in the back of the 2nd molar (underneath crown: C).  >: tartar.  Fig.3 Root canal (R) is re-done before placement of a new crown (C).  There is no gap anymore (>) between the new crown and tooth.  Return to the main article

Xin Wei, DDS, PhD, MS 1st edition 04/28/2012, last revision 09/28/2012