An intraoral device includes a flexible body having an upper front flap including evacuation holes and a upper edge； an upper rear flap forming an upper pocket with the upper front flap and including internal channels and a upper edge separated from the upper edge of the upper front flap to form an upper pocket opening, the internal channels terminating in grooves along the upper edge； a lower front flap including evacuation holes and a lower edge； a lower rear flap forming a lower pocket with the lower front flap and including internal channels and a lower edge separated from the lower edge of the lower front flap to form an lower pocket opening, the internal channels terminating in grooves along the lower edge.
