Authors | Index test | Time point of torque recording | Implant type, number, and dimensions | Location of insertion | Drilling technique | Test threshold |
---|---|---|---|---|---|---|
Motoyoshi et al. [6] | Digital | Terminal rotation of the screw | 143 ISAa 1.6 × 8 mm | Between maxillary first molar and second bicuspid | Self-drilling and pre-drilling | Not reported |
Chen et al. [84] | Mechanical | During the last 1/3 of the insertion process | 72 Leibingera 2.0 × 11 mm | With root contact Distal aspect of the first, second, third, and fourth mandibular premolars | Pre-drilling | Not reported |
Without root contact Under the bifurcation of the second, third, and fourth mandibular premolars and first molars | ||||||
Brisceno et al. [25] | Digital | Not reported | 56 IMTECa 1.8 × 8 mm | Distal or mesial roots of the mandibular second, third, fourth premolars, and first molars | Self-drilling | Not reported |
Wilmes et al. [33] | Digital | Last 0.2 mm of the insertion process | 320 dual topa 1.6 × 8 mm | Randomly in the mandibular alveolar ridge | Pre-drilling | Not reported |
McEwan [32] | Digital | After 0.5 min of insertion and during the entire insertion process | 30 3Ma 1.8 × 6 mm 30 Tomasb 1.6 × 6 mm | Between or in contact with the mandibular first, second, and third premolars | Self-drilling | Not reported |