OYBase online

Find the occlusal plane, posterior cusps and midline of an upper-arch scan. The scan is processed on this computer and is never uploaded.

Scan

Open an upper-arch intraoral scan in STL format, in millimetres, or drop it on the viewport.

Landmarks

Drag a point to move it along the surface. The plane and midline follow.

Posterior cusps (0) Anterior and posterior centres Other cusp tips (0)

Occlusal plane and midline

Occlusal plane Midline

Export

The aligned scan has the occlusal plane at z = 0, the midline on the y axis pointing forward and the base toward +z.

Drop an upper-arch STL here