US273833A - Dental impression-cup - Google Patents
Dental impression-cup Download PDFInfo
- Publication number
- US273833A US273833A US273833DA US273833A US 273833 A US273833 A US 273833A US 273833D A US273833D A US 273833DA US 273833 A US273833 A US 273833A
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- US
- United States
- Prior art keywords
- cup
- flange
- dental impression
- mouth
- flexible
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 210000003128 Head Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011505 plaster Substances 0.000 description 4
- 210000003254 Palate Anatomy 0.000 description 2
- 241000276498 Pollachius virens Species 0.000 description 2
- 206010038776 Retching Diseases 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 210000001699 lower leg Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 210000004873 upper jaw Anatomy 0.000 description 2
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C9/00—Impression cups, i.e. impression trays; Impression methods
- A61C9/0006—Impression trays
Definitions
- My invention relates to the rigid cups used in dentistry for holding the plaster ot'- paris while taking impressions of the upperjaw and roof of the mouth preparatory to making a plate for artificial teeth.
- the rear end thereof is closed by means of a wall or flange of wax to prevent the plaster from falling on the tongue or palate and gagging the patient.
- This flange of wax is fashioned by the operator to conform. as nearly as possible, to the outline of the roof of the mouth as best he may, being guided in the operation,at'ter an inspection of the mouth, solely by the eye, the operation becoming difficult in view of the fact that the wax must be soltened by heat in order that it may be properly moided. Loss oftime and trouble are thus experienced in fitting the flange properly to the mouth, and the patient is subjected to much IIICOUVBUHJICG.
- the object ofmy invention is to obviate these objections incident to the use of a posterior flange of wax upon a dental impression-cup; and it consists in combining with the cup a flexible flange, of rubber or other elastic material, formed to approximate the shape of the root of the mouth to which it is to be fitted, and which, when secured to the cup and inserted in place, shall, because of its flexible, yielding nature, adaptitself to the roof without unpleasant effect.
- My invention admits of the use, with the same cup,of a set of interchange able flanges adapted to various conformations, so that the one cup may be thereby made ready upon the instant for use in many different operations.
- Figure 1 is a view in the perspective of an ordinary metallic dental impression-cup adapted for an attachment thereto ofa flexible posterior flange.
- Fig. 2 is a view in perspective of my flexible rubber flange adapted to be secured to the cup
- Fig. 3 is an end view of the cup with the flange attached.
- the cup A, Fig. 1, is of the usual form, ma-
- the central eye is formed with a slotleadiug out therefrom toward the outer edge.
- the lateral eyes have slots leading therefrom toward the central eye.
- the flange B is made of soft elastic rubber, or equivalent elastic flexible material, having a comparatively wide base and a thin upper edge, which is mounted to conform substantially to the form of the posterior portion of the roof of the mouth, the base being made to fit accurately upon the face of the rear end of the cup.
- the underside of the base is fitted with studs 00, firmly secured thereto, having flanged heads adapted to enter the eyes I) in the cup, and slender shanks adapted to pass into the slots of the eyes, and the flange is secured to the cup by inserting the studs in the eyes, the elasticity ofthe flange serving to draw the studs into the slots, so that the heads shall lock therewith, and thus effectually fasten the two together.
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Description
(NoModeL) S. E. FISH.
DENTAL IMPRESSION 0UP.
No. 273,833. Patented Mar.13,1883.
MWW/ 2x. 60. M M *P mm:
Jlj-iforney UNITED STATES PATENT OFFICE.
SIDELL E. FISH, OF GREENPOR'I, NEW YORK.
DENTAL lMPRESSlON-CUP.
SPECIFICATION formingpart of Letters Patent No. 273,833, dated March 13, 1883.
Application filed August '2, 1882.
To all whom it may concern:
Be it known that I, SIDELL E. FISH, of Greenport, in the county of Suffolk and State of New York, have invented a new and useful Improvement in Dental ImpressiOn Cups; and 1 do hereby declare that the following is a full and exact description thereof, reference being bad to the accompanying drawings, and
to the letters of reference marked thereon,
making a part of this specification.
My invention relates to the rigid cups used in dentistry for holding the plaster ot'- paris while taking impressions of the upperjaw and roof of the mouth preparatory to making a plate for artificial teeth. In the use of these dental impression-cups the rear end thereof is closed by means of a wall or flange of wax to prevent the plaster from falling on the tongue or palate and gagging the patient. This flange of wax is fashioned by the operator to conform. as nearly as possible, to the outline of the roof of the mouth as best he may, being guided in the operation,at'ter an inspection of the mouth, solely by the eye, the operation becoming difficult in view of the fact that the wax must be soltened by heat in order that it may be properly moided. Loss oftime and trouble are thus experienced in fitting the flange properly to the mouth, and the patient is subjected to much IIICOUVBUHJICG.
The object ofmy invention is to obviate these objections incident to the use of a posterior flange of wax upon a dental impression-cup; and it consists in combining with the cup a flexible flange, of rubber or other elastic material, formed to approximate the shape of the root of the mouth to which it is to be fitted, and which, when secured to the cup and inserted in place, shall, because of its flexible, yielding nature, adaptitself to the roof without unpleasant effect. My invention admits of the use, with the same cup,of a set of interchange able flanges adapted to various conformations, so that the one cup may be thereby made ready upon the instant for use in many different operations.
In the accompanying drawings, Figure 1 is a view in the perspective of an ordinary metallic dental impression-cup adapted for an attachment thereto ofa flexible posterior flange. Fig. 2 is a view in perspective of my flexible rubber flange adapted to be secured to the cup, and Fig. 3 is an end view of the cup with the flange attached.
The cup A, Fig. 1, is of the usual form, ma-
(No model.)
terial, and proportions, and is inflexible. It is provided near to its reared ge with three eyes, I) b b. The central eye is formed with a slotleadiug out therefrom toward the outer edge. The lateral eyes have slots leading therefrom toward the central eye. The flange B is made of soft elastic rubber, or equivalent elastic flexible material, having a comparatively wide base and a thin upper edge, which is mounted to conform substantially to the form of the posterior portion of the roof of the mouth, the base being made to fit accurately upon the face of the rear end of the cup. The underside of the base is fitted with studs 00, firmly secured thereto, having flanged heads adapted to enter the eyes I) in the cup, and slender shanks adapted to pass into the slots of the eyes, and the flange is secured to the cup by inserting the studs in the eyes, the elasticity ofthe flange serving to draw the studs into the slots, so that the heads shall lock therewith, and thus effectually fasten the two together. I contemplate the use of a number of these flexible flanges with each size ofcnp,each of the flanges in a set having the same form and configuration of base and studs,so as to be interchangeable on the cup, but with a modified form of upper edge, to adapt it to a special type of mouth.
I do not limit myself to the mode of fastening the flange to the cup herein described, as
various fastening devices may be employed,
and in some cases the flange may be permanently secured to the cup.
lam aware that dental impression-cups have been madethroughout ofsot't rubber; but a cup thus made wholly elastic and flexible is objectionable because of its instability, and is not only expensive in itself, but necessitates the provision of as many cups as there are modifications in the shape of the mouth-defects and objections which are obviated in my invention.
I claim as my invention- The combination, with an inflexible dental impression-cup, of aseparate elastic and flexible posterior flange secured thereto substantially in the manner and for the purpose herein set forth.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
SIDELL E. FISH.
Witnesses:
A. J. A.'PoLLocK, FRANK L. H. PHILLIPS.
Publications (1)
Publication Number | Publication Date |
---|---|
US273833A true US273833A (en) | 1883-03-13 |
Family
ID=2343063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US273833D Expired - Lifetime US273833A (en) | Dental impression-cup |
Country Status (1)
Country | Link |
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US (1) | US273833A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2575432A (en) * | 1948-05-17 | 1951-11-20 | Thompson Morris James | Dental tray |
US6817861B1 (en) | 2002-04-09 | 2004-11-16 | Patrick L. Roetzer | Dental impression dam system |
-
0
- US US273833D patent/US273833A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2575432A (en) * | 1948-05-17 | 1951-11-20 | Thompson Morris James | Dental tray |
US6817861B1 (en) | 2002-04-09 | 2004-11-16 | Patrick L. Roetzer | Dental impression dam system |
US7137813B1 (en) * | 2002-04-09 | 2006-11-21 | Roetzer Patrick L | Dental impression dam system |
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