Author

Toshiki Nagai

2 papers indexed here

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Aug 2026

Interimplant distance and angulation measurement from CAD-generated multiunit abutment interfaces: A scan body-independent technique.

A scan body-independent technique for measuring interimplant distances and angulations directly from computer-aided design-generated multiunit abutment bottom components and captures implant spatial data complementary to existing accuracy-evaluation approaches is described.

M. Omar, Toshiki Nagai · The Journal of prosthetic de... · 0 citations

Open access Sep 2026

Comparative trueness of complete-arch implant position acquisition using auxiliary geometric device-aided and noncalibrated scanbody-based intraoral scanning versus smartphone-based and dedicated extraoral photogrammetry.

PURPOSE To compare the trueness of four techniques for complete-arch implant position acquisition: intraoral implant scanning (IOIS) using auxiliary geometric devices (AGDs), IOIS using horizontally extended noncalibrated scanbodies (NCSBs), smartphone-based extraoral photogrammetry (EPG), and EPG with a dedicated scan...

M. Omar, Yi-Hao Lan, Toshiki Nagai et al. · Journal of Prosthodontics · 0 citations