Dentistry – Apparatus – Having static product shaping surface
Patent
1990-08-15
1991-05-28
Wilson, John J.
Dentistry
Apparatus
Having static product shaping surface
433 91, 433 94, 433215, 4332171, A61C 900
Patent
active
050189670
ABSTRACT:
A method and apparatus for applying fluoride to the teeth of a patient. The apparatus includes a dental tray, which is sized and shaped to fit between the upper and lower sets of the patient's teeth. The dental tray is preferably a unitary block of a disposable, deformable material, having a top surface and a bottom surface into which simultaneous dental impressions of the upper and lower sets of teeth are to be made. The side wall of the dental tray includes a groove, which extends around the perimeter of the dental tray. The apparatus further includes an evacuation tube. The evacuation tube has a first end which is adapted to communicate with a source of suction, such as a saliva ejector. The remainder of the evacuation tube has a plurality of apertures which serve as entry ports through which displaced fluoride solution, saliva and other debris are aspirated. The first end of the evacuation tube is disposed near the front of the dental tray, and the remainder of the tube is frictionally mounted within the groove of the dental tray. In use, the apparatus is inserted into the mouth of the patient, and impressions of the upper and lower sets of teeth are made in the top and bottom surfaces, respectively. An appropriate amount of fluoride solution is painted onto the impressions, the evacuation tube is connected to a saliva ejector, and the apparatus is reinserted into the patient's mouth.
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Smith Jeffrey A.
Wilson John J.
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