Abstract: Articulation simulation for an intelligent dental care system
Tosiyasu L. Kunii, Jens Herder, Karol Myszkowski, Oleg Okunev, Galina G.
Okuneva and Masumi Ibusuki.
Articulation simulation for an intelligent dental care system. Displays, 15(3):181-188, 1994.
CAD/CAM techniques are used
increasingly in dentistry for design and fabrication of teeth restorations.
An important issue is preserving occlusal contacts of teeth after
restoration. Traditional techniques based on the use of casts with mechanical
articulators require manual adjustment of occlusal surface, which becomes
impractical when hard restoration materials like porcelain are used; they are
also time and labor consuming. Most existing computer systems ignore
completely such an articulation check, or perform the check at the level of a
tooth and its immediate neighbors. We present a new mathematical model and a
related user interface for global articulation simulation, developed for the
Intelligent Dental Care System project. The aim of the simulation is
elimination of the use of mechanical articulators and manual adjustment in
the process of designing dental restorations and articulation diagnostic. The
mathematical model is based upon differential topological modeling of the
jaws considered as a mechanical system. The user interface exploits metaphors
that are familiar to dentists from everyday practice. A new input device
designed specifically for use with articulation simulation is proposed.