1 Gives you the flexibility to talk and drink, as well as close your mouth and breathe during sleep, 2 unlike some other appliances. 2  Patient satisfaction. 3  Users reported wearing the appliance 6.7 hours per night, 6.6 days per week.
Definition of vesting. : the conveying to an employee of inalienable rights to money contributed by an employer to a pension fund or retirement plan especially in the event of termination of employment prior to the normal retirement age; also : the right so conveyed.
Definition of sheathing: The material forming the contact face of forms. Also called lagging or sheeting.