Dentistry – Apparatus – Having absorption means or means to isolate tooth or mouth...
Patent
1990-09-06
1992-04-14
Swiatek, Robert P.
Dentistry
Apparatus
Having absorption means or means to isolate tooth or mouth...
433138, A61C 514, A61C 512
Patent
active
051043173
ABSTRACT:
A method for retaining a dental dam comprises the steps of positioning a dental dam (11) over a plurality of teeth in the mouth of a patient; selecting a section of elastomeric cord (10); elongating the section to reduce the cross-sectional area thereof; interposing a portion of the elongated section between at least two adjacent teeth and over the dam; and allowing the section to expand toward its original cross-sectional area thereby prohibiting the removal of the dam from the teeth. Also provided in combination with a dental dam (11) having a plurality of individual holes to fit over a like plurality of teeth in the mouth of a patient, is an elastomeric cord (10) having a first, relaxed diameter and a second elongated diameter of lesser dimension than the first, the second diameter being interposed between a pair of adjacent teeth and over the dam in position with respect to the teeth, wherein the first diameter forms an elastomeric wedge between the teeth to retain the dam. A novel elastomeric cord (10) is provided for retaining a dental dam which is preferably provided in a column (40 ). A method for manufacturing the column is taught as is the use of such a column in combination with a container (50).
REFERENCES:
patent: 484046 (1892-10-01), Pitman
patent: 806300 (1905-12-01), Sorenson
patent: 1031533 (1912-07-01), Davison
patent: 1973615 (1934-09-01), Eustis
patent: 3238620 (1966-03-01), Robertson
patent: 4465462 (1984-08-01), Ticknor
patent: 4522593 (1985-06-01), Fischer
Lucchesi Nicholas D.
Swiatek Robert P.
The Hygenic Corporation
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