Patent ID: 6951505

Claim:
A method of using a handheld apparatus for propelling particulate matter, the method comprising the steps: placing particulate matter within a mixing chamber, said mixing chamber comprising a sidewall, a gas receiving port at a first end of the chamber and a discharge end wall at an opposite end of the chamber and sized to be used for abrading at least one tooth within a patient's mouth; holding said mixing chamber in a manner by grasping the mixing chamber between two fingers of one hand during the application of said device for abrading at least one tooth within the patient's mouth, applying gas flow through a gas delivery conduit, whereby said gas delivery conduit would be disposed within the chamber and extend into the mixing chamber further applying gas into said mixing chamber; and discharging a mixture of gas flow and said particulate matter through a discharge port in said discharge end wall for abrading at least one tooth within a patient's mouth.