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Scientific evidence


Recent studies conclude that the PIC system consistently delivers accuracy (both trueness and precision) that's well below the present consensus of acceptable discrepancies for a full arch passive fit. 

PIC dental - scientific evidence

And many more

The above is just a sample: there are over 25 peer-reviewed scientific publications and reports about the PIC system.

Scientific publications - 2024


  • Revilla-León, M., Gómez-Polo, M., Drone, M., Barmak, A. B., Guinot-Barona, C., Att, W., ... & Pérez-Barquero, J. A. (2024). Impact of scanning distance on the accuracy of a photogrammetry system. Journal of Dentistry, 142, 104854.
  • Revilla-León, M., Barmak, A. B., Lanis, A., & Kois, J. C. (2024). Influence of connected and nonconnected calibrated frameworks on the accuracy of complete arch implant scans obtained by using four intraoral scanners, a desktop scanner, and a photogrammetry system The Journal of Prosthetic Dentistry.
  • Revilla-León, M., Gómez-Polo, M., Drone, M., Barmak, A. B., Att, W., Kois, J. C., & Pérez-Barquero, J. A. (2024). Influence of implant reference on the scanning accuracy of complete arch implant scans captured by using a photogrammetry system The Journal of Prosthetic Dentistry.
Scientific publications - 2023


  • Pozzi A., Agliardi E., Lio, Nagy K.,, Nardi A., & Arcuri L. (2023). Accuracy of intraoral optical scan versus stereophotogrammetry for complete-arch digital implant impression: An in vitro study. Journal of Prosthodontic Research.
  • Pozzi, A., Carosi, P., Gallucci, G. O., Nagy, K., Nardi, A., & Arcuri, L. (2023). Accuracy of complete- arch digital implant impression with intraoral optical scanning and stereophotogrammetry: An in vivo prospective comparative study Clinical Oral Implants Research, 00, 1–12 .
  • Pinto, R. J., Casado, S. A., Chmielewski, K., Caramês, J. M., & Marques, D. S. (2023). Accuracy of different digital acquisition methods in complete arch implant-supported prostheses: An in vitro study. The Journal of Prosthetic Dentistry.
Scientific publications - 2022


  • Kosago P, Ungurawasaporn C, Kukiattrakoon B. Comparison of the accuracy between conventional and various digital implant impressions for an implant-supported mandibular complete arch-fixed prosthesis: An in vitro study. J Prosthodont. 2022;1–9.
  • Orejas-Perez, J.; Gimenez- Gonzalez, B.; Ortiz-Collado, I.; Thuissard, I.J.; Santamaria-Laorden, A. (2022). In Vivo Complete-Arch Implant Digital Impressions: Comparison of the Precision of Three Optical Impression Systems. Int. J. Environ. Res. Public Health 2022, 19, 4300.
  • Peláez Rico, J., Martín, M. C., González, M. A., Arribas, C. T., Alonso, V. R., Suárez, C. L., & García, M. J. S. (2022). Digital Impression taking for Maxillary Full-Arch Restoration with Immediate Loading. A Case Report. The Journal of Oral Implantology.

Scientific publications - 2021


  • Tohme,H.; Lawand,G.; Eid, R.; Ahmed, K.E.; Salameh, Z.; Makzoume, J. (2021). Accuracy of Implant Level Intraoral Scanning and Photogrammetry Impression Techniques in a Complete Arch with Angled and Parallel Implants: An In Vitro Study. Appl. Sci. 2021, 11, 9859.
  • Revilla-León, M., Rubenstein, J., Methani, M. M., Piedra-Cascón, W., Özcan, M., & Att, W. (2021). Trueness and precision of complete-arch photogrammetry implant scanning assessed with a coordinate-measuring machine. The Journal of Prosthetic Dentistry.
  • Tohme, H., Lawand, G., Chmielewska, M., & Makhzoume, J. (2021). Comparison between stereophotogrammetric, digital, and conventional impression techniques in implant-supported fixed complete arch prostheses: An in vitro study. The Journal of Prosthetic Dentistry.
  • Sallorenzo, A., & Gómez-Polo, M. (2021). Comparative study of the accuracy of an implant intraoral scanner and that of a conventional intraoral scanner for complete-arch fixed dental prostheses. The Journal of Prosthetic Dentistry.
Scientific publications - 2020


Scientific publications - 2019


  • Molinero-Mourelle, P., Lam, W., Cascos-Sánchez, R., Azevedo, L., & Gómez-Polo, M. (2019). Photogrammetric and intraoral digital impression technique for the rehabilitation of multiple unfavorably positioned dental implants: A clinical report. Journal of Oral Implantology, 45(5), 398-402.
  • Sánchez-Monescillo, A., Hernanz-Martín, J., González-Serrano, C., González-Serrano, J., & Duarte Jr, S. (2019). All-on-four rehabilitation using photogrammetric impression technique. Quintessence Int, 50, 288-293. 
Scientific publications - 2018


  • Suarez, M. J., Paisal, I., Rodriguez-Alonso, V., & Lopez-Suarez, C. (2017). Combined Stereophotogrammetry and Laser-Sintered, Computer-Aided Milling Framework for an Implant-Supported Mandibular Prosthesis: A Case History Report. The International Journal of Prosthodontics, 31(1), 60-62. 
Scientific publications - 2017


  • Gómez-Polo, M., Gómez-Polo, C., Del Río, J., & Ortega, R. (2018). Stereophotogrammetric impression making for polyoxymethylene, milled immediate partial fixed dental prostheses. The Journal of Prosthetic Dentistry, 119(4), 506-510.
  • Peñarrocha-Diago, M., Balaguer-Martí, J. C., Peñarrocha-Oltra, D., Balaguer-Martínez, J. F., Peñarrocha-Diago, M., & Agustín-Panadero, R. (2017). A combined digital and stereophotogrammetric technique for rehabilitation with immediate loading of complete-arch, implant-supported prostheses: A randomized controlled pilot clinical trial. The Journal of Prosthetic Dentistry, 118(5), 596-603.
Scientific publications - 2016


  • Sánchez-Monescillo, A., Sánchez-Turrión, A., Vellon-Domarco, E., Salinas-Goodier, C., & Prados-Frutos, J. C. (2016). Photogrammetry Impression Technique: A Case History Report. The International journal of prosthodontics, 29(1), 71-73. 
  • Aiuto, R., Peñarrocha Oltra, D., Augustin Panadero, R., Peñarrocha Diago, M., & Re, D. (2016). Photogrammetry as an alternative to impression taking in oral implantoprosthesis. Il Dentista Moderno, 34(9), 66-74. 
Scientific publications - 2015


  • Peñarrocha-Oltra, D., Agustín-Panadero, R., Pradíes, G., Gomar-Vercher, S., & Peñarrocha-Diago, M. (2017). Maxillary Full-Arch Immediately Loaded Implant-Supported Fixed Prosthesis Designed and Produced by Photogrammetry and Digital Printing: A Clinical Report. Journal of Prosthodontics, 26(1), 75-81.
  • Agustín-Panadero, R., Peñarrocha-Oltra, D., Gomar-Vercher, S., & Peñarrocha-Diago, M. (2015). Stereophotogrammetry for Recording the Position of Multiple Implants: Technical Description. International Journal of Prosthodontics, 28(6). 
Scientific publications - 2014


  • Peñarrocha-Oltra, D., Agustín-Panadero, R., Bagán, L., Giménez, B., & Peñarrocha, M. (2014). Impression of multiple implants using photogrammetry: description of technique and case presentation. Medicina Oral, Patología Oral y Cirugía Bucal, 19(4), e366. 
  • Pradíes, G., Ferreiroa, A., Özcan, M., Giménez, B., & Martínez-Rus, F. (2014). Using stereophotogrammetric technology for obtaining intraoral digital impressions of implants. The Journal of the American Dental Association, 145(4), 338-344.

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