Table 4 Reasons for Using/Not Using NiTi-RIs
Participants’ Classification | Reasons for Adopting RIs | ||||||
Faster preparation | Keep canals’ original shape | Cutting efficiency | Less operator fatigue | Flexible | Others | Total | |
 General Dentists | 45.7 | 15.2 | 8.7 | 6.5 | 10.9 | 5.9 | 100 |
 Endodontists | 44.2 | 36.5 | 8.7 | 9.6 | 1 | 0 | 100 |
 Others | 50 | 25 | 8.3 | 8.3 | 8.4 | 0 | 100 |
 Total | 45.3 | 24.4 | 8.7 | 7.9 | 6.7 | 7.1 | 100 |
Previous experience | Reasons for not Adopting RIs | ||||||
Difficult use | No cutting efficiency | Prone to fracture | No advantages | High Cost | Total | ||
 Total | 5.9 | 2.9 | 3.9 | 2 | 85.3 | 100 | |