An oral cavity manipulator for controlling the position of tongue and jaw, themanipulator including a foundation body, maxilla and mandibular teeth engagingelements mountable on the foundation body and having width equal to or greaterthan the width of the foundation body and including teeth receiving portionsfor in use receiving the teeth of the user, a tongue position means attached toone of the foundation body, or the teeth engaging elements wherein in an operatingcondition the mandibular teeth engaging element is selectively located on thefoundation body forward of the maxilla teeth engaging element to receive andlocate the mandible of a user forward of the maxilla and position the tongue betweenthe teeth elements to substantially maintain unobstructed airways at the throatof the user.
