Ricerc@Sapienza

Objective: This study aimed to evaluate the relationship between the quality of the coronal restoration and the root canal filling on the periapical status of endodontically treated teeth using CBCT. Materials and Methods: CBCT data were obtained from the records of patients who deny any dental treatment in the 2 years prior to the CBCT examination. CBCT images (90 kVp and 7 mA, exposure time of 23 s, and a voxel size of 0.2 mm, with a field of view of 13 cm × 13 cm) of 1011 endodontically treated teeth were observed.

Aim To investigate in vivo the complexity of canals
within mesial roots of mandibular molars using 3D
EndoTM software linked to CBCT images.
Methodology The CBCT images of 100 mandibular
first molars were analysed using the 3D EndoTM
software. The number of canals in the mesial roots,
the presence of apical confluences, the canal lengths
and the canal configurations using Vertucci’s classification
were evaluated in buccolingual (BL) and
mesiodistal (MD) views. The software allowed the

Aim: To compare two different clinical techniques when using endodontic rotary instruments by monitoring the torque in vivo. Methodology: Ten single-rooted maxillary anterior teeth were prepared by an endodontist using size 25,.06 taper TF rotary instruments (KerrEndo, Orange, CA, USA). All instruments were rotated at 500 rpm with maximum torque set at 2.5 N cm using an endodontic motor (Kavo, Biberach, Germany), which automatically recorded the torque values every 1/10 of a second.