Svensk definition
Sådan förskjutning och dålig kontakt mellan underkäken och överkäken att effektiviteten i käkens tuggrörelser påverkas negativt.
Malocclusion
Bettfel
Engelsk definition
Such malposition and contact of the maxillary and mandibular teeth as to interfere with the highest efficiency during the excursive movements of the jaw that are essential for mastication. (Jablonski, Illustrated Dictionary of Dentistry, 1982)
Svenska synonymer
Bettanomali — Malocklusion — Felbett — Korsbett — Angles klassifikation — Tandträngsel
Engelska synonymer
Malocclusions — Tooth Crowding — Crowding, Tooth — Crowdings, Tooth — Crossbite — Crossbites — Cross Bite — Bite, Cross — Bites, Cross — Cross Bites — Angle's Classification — Angle Classification — Angles Classification — Classification, Angle's