Dentistry – Apparatus – Having absorption means or means to isolate tooth or mouth...
Patent
1995-08-11
1998-09-01
Lucchesi, Nicholas D.
Dentistry
Apparatus
Having absorption means or means to isolate tooth or mouth...
433136, 433139, 433 94, A61C 514
Patent
active
058001735
ABSTRACT:
An adjustable dental appliance for positioning and retaining absorbent polymer rolls in the oral cavity; in an anatomical location in the mandible (lower jaw) where the submandibular and sublingual glands secrete saliva that interferes with visibility during treatment and contaminates the application of moisture sensitive dental materials. The appliance consists of an adjustable dental device which engages the opposite convex surfaces of a tooth with a clasps joined to clasp arms which are mounted on a resilient transverse member. The relative displacement of the clasp arms are adjusted with a plier-like instrument that separates the clasp arms by stressing the tension of the transverse resilient member until the appliance is in place in relation to a tooth to be engaged. Adjacent to each clasp arm, a rectangular projection of metal and small diameter metal shaft, end free and unsupported to receive two absorptive polymer rolls. One type of roll designed with a locking mechanism engages a spherical enlargement on the metal shaft with plastic members that spread open to accommodate the spherical enlargement and then snap back into place when the metal sphere is engaged. An alternative polymer roll, without a locking mechanism is designed as a cost-effective alternative. Both polymer rolls have as their active ingredient a starch graft copolymer product derived from corn starch and acrylonitrile, by the United States Department of Agricultural Research, the technical name for which is starch-g-poly (starch-co-potassium acrylate).
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patent: 2844873 (1958-07-01), Bober
Gilchrist Michael C.
Herink Kent A.
Laurenzo Brian J.
Lucchesi Nicholas D.
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