The molar survives without crown for 3.5 years (Fig.2) and with crown for 8 years (Fig.3).  The tooth has 2nd decays 10 years post crown (14 years post RCT, Fig.4 *). 

Decay Last Next

Xin Wei, DDS, PhD, MS 1st edition 08/31/2019, last revision 09/01/2019