The non-probability sampling technique was used to randomly divide the
obturated specimens into 2 groups (n= 20 teeth) on the basis of root end filling materials as:
Filling with void: The
obturated AIRC indicated voids in the bulk of the filling material or between the filling material and the dentine walls in buccolingual and/or mesiodistal radiographs.
Canals with short fillings were
obturated with amalgam filling afterwards.
The force required to engrave the rifling into the bullet is relatively small, compared to the dynamic friction of an
obturated bullet.
The canal was then
obturated using the warm vertical compacC...
Root canals were
obturated with the conventional lateral condensation, single-cone (#30 ProTaper Universal gutta-percha; Dentsply Maillefer and #30 MM-GP Points 4%; Micro-Mega) or carrier-based obturation techniques (Thermafil Obturator #30; Dentsply, Tulsa, USA and ProTaper Obturator F3; Dentsply and HEROfill Obturator #30; Micro-Mega).
With the currently available root filling materials, even a well
obturated root canal is susceptible to reinfection by microorganisms.
Comparison of the area of resin-based sealer and voids in roots
obturated with Resilon and gutta-percha.
After obtaining post-operative sample, tooth was
obturated and permanent restoration was placed.
Teeth with incomplete, broken or resorbed roots or
obturated canals were excluded from the study.