| abstract |
An oral device includes an intraoral bolus simulator comprising an exterior surface and having an interior volume fillable with a fluid. An extraoral user interface extends from the bolus simulator, and can be used to locate or position the intraoral bolus simulator. In various embodiments, the fluid may be a gas or a liquid, or combinations thereof. In other embodiments, an oral device includes an extraoral handle, a shield connected to the handle, a tether extending from the shield, and a bolus simulator connected to the tether. |