Patent ID: 7118377

Claim:
A dental system for cleaning a user's teeth and marginal gingiva with a drug solution, comprising: a mouthpiece made for a user, the mouthpiece having a shape unique to the user, the shape being substantially the same shape as the teeth and the marginal gingiva of the user, the mouthpiece being a laminate structure including a first resin layer portion and a second resin layer portion adhered to the first resin layer portion, the first resin portion conforming to and sealing with the user's marginal gingiva and jaw, the second resin portion conforming with the user's teeth and marginal gingiva the second resin portion providing a gap between the mouthpiece and the user's teeth and marginal gingiva, a width of the gap corresponding to a thickness of the first resin layer portion; a supply unit, connected to the mouthpiece, that supplies the drug solution to the mouthpiece; a drain unit, connected to the mouthpiece, that collects the drug solution supplied to the mouthpiece by the supply unit; and a suction unit, connected to the drain unit, that introduces the drug solution from the supply unit into the mouthpiece by applying suction to the drain unit, the suction unit providing a negative pressure within the gap and forming a stream of the drug solution flowing through the gap that clean the user's teeth and marginal gingiva.