A system for directing a fluid onto a plurality of surfaces of an oral cavity of a mammal, said system comprising a device comprising: a chamber for maintaining said fluid proximate said plurality of surfaces, said chamber defined by front and rear inner walls and a base inner wall of said device, said base inner wall extending between said front and rear inner walls, said front and rear inner walls comprising a plurality of openings, a first manifold for containing a first portion of said fluid and providing said first portion to said chamber through said openings of said front inner wall, a second manifold for containing a second portion of said fluid and providing said second portion to said chamber through said openings of said front inner wall, a third manifold for containing a third portion of said fluid and providing said third portion to said chamber through said openings of said rear inner wall, a fourth manifold for containing a fourth portion of said fluid and providing said fourth portion to said chamber through said openings of said rear inner wall, a first port configured to convey said first portion of fluid to and from said first manifold, a second port configured to convey said second portion of fluid to and from said second manifold, a third port configured to convey said third portion of fluid to and from said third manifold, a fourth port configured to convey said fourth portion of fluid to and from said fourth manifold; and means for providing an effective seal of said device within said oral cavity; and means for providing pressure, such that said fluid enters the chamber or vacuum, such that fluid leaves the chamber , on said first, second, third, and fourth manifolds . a chamber for maintaining said fluid proximate said plurality of surfaces, said chamber defined by front and rear inner walls and a base inner wall of said device, said base inner wall extending between said front and rear inner walls, said front and rear inner walls comprising a plurality of openings, a first manifold for containing a first portion of said fluid and providing said first portion to said chamber through said openings of said front inner wall, a second manifold for containing a second portion of said fluid and providing said second portion to said chamber through said openings of said front inner wall, a third manifold for containing a third portion of said fluid and providing said third portion to said chamber through said openings of said rear inner wall, a fourth manifold for containing a fourth portion of said fluid and providing said fourth portion to said chamber through said openings of said rear inner wall, a first port configured to convey said first portion of fluid to and from said first manifold, a second port configured to convey said second portion of fluid to and from said second manifold, a third port configured to convey said third portion of fluid to and from said third manifold, a fourth port configured to convey said fourth portion of fluid to and from said fourth manifold; and means for providing an effective seal of said device within said oral cavity; and means for providing pressure, such that said fluid enters the chamber or vacuum, such that fluid leaves the chamber , on said first, second, third, and fourth manifolds . <EOS>