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Table 2 Comparison of different implant identification studies ( (Michelinakis et al. 2006); (Sahiwal et al. 2002a; Sahiwal et al. 2002b; Sahiwal et al. 2002c); (Nuzzolese et al. 2008))

From: Current technology for identifying dental implants: a narrative review

  G.Michelinakis et al. (IRS) (Michelinakis et al. 2006) Sahiwal, I. G. et al. (macro surface details documentation) (Sahiwal et al. 2002c) Sahiwal, I. G. et al. (threaded Imp documentation) (Sahiwal et al. 2002a) Sahiwal, I. G. et al. (non-threaded Imp documentation) (Sahiwal et al. 2002b) . Nuzzolese et al. -Forensic. (Nuzzolese et al. 2008)
Location of the study Manchester.UK Texas. U.S Texas U.S Texas U.S Italy
Aim Create a software for implant identification Documentation of different implant macro design features Documentation of threaded implant features from X-ray photos Documentation of threaded implant features from X-ray photos Identification of implant systems from X-Ray photo for a forensic geographic identification
Number of implant company designs in the study 231 44 16 28 Implant companies in Italy
X-Ray identification Y N Y Y Y
X-Ray photo in horizontal rotation N N Y Taken in 0°, 30°, 60°, and 90° horizontal rotation Y Taken in 0°, 30°, 60°, and 90° horizontal rotation Y at 0º, 30º, and 60 º horizontal rotation
X-Ray photo in vertical inclination N N Y Taken in –20°, -10°, 0°, + 10°, and + 20° vertical inclination Y Taken in –20°, -10°, 0°, + 10°, and + 20° vertical inclination Y -20º, -10º, 0º, + 10º, and + 20º vertical inclination
Software Y N N N Y
worldwide Y Y Y Y N
limitations This is not a consistently updated method There no software available making it more prone to human error. This is not a consistently updated method There is no software available which makes it more prone to human error. This is not a consistently updated method There is no software available which makes it more prone to human error. This is not a consistently updated method. A new more exact method is still required for a more accurate identification of implants Data solely from Italy; lacking information worldwide
  A new more exact method is required for a more accurate identification of implants. Limited time period of collected data A new more exact method is required for a more accurate identification of implants A new more exact method is still required for a more accurate identification of implants   
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