These are bite blocks or mouth props that we use in dentistry to help people stay open. I posted on them for kids the other day and several adults asked me about them for using at home with brushing because they have TMJ and/or get tired. As long as you don’t push it too far back and over-extend your opening, this could be helpful! 🙂 This is also what you can ask for at the dental office if you need help staying open passively.

Caution using this like the Brushing Buddy – it is a choking hazard in a reclined non-compliant person/child.