From: Optimizing fracture resistance of endodontically treated maxillary premolars restored with preheated thermos-viscous composite post-thermocycling, a comparative study. Part I
Groups
Mean
SD
P
1345.21
36.31
N
104.41
8.35
ChP
405.41
29.25
XF
658.90
73.65
VB
927.82
71.68
EF
1193.53
89.45