Lisa Brekke, PT, DPT If the room spins the moment the dental chair tips back, or your jaw aches for days after a cleaning, you are not imagining it, and you are not alone. For people with vertigo, POTS or joint hypermobility, a routine dental visit can be one of the hardest appointments of the year. Many quietly stop going. That is a problem, because your mouth is not separate from the rest of your body. Why the dental chair is so hard Dizziness. Lying back with your head bel