US702645A - Dental impression-cup. - Google Patents

Dental impression-cup. Download PDF

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Publication number
US702645A
US702645A US2517100A US1900025171A US702645A US 702645 A US702645 A US 702645A US 2517100 A US2517100 A US 2517100A US 1900025171 A US1900025171 A US 1900025171A US 702645 A US702645 A US 702645A
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United States
Prior art keywords
cup
rod
impression
saddle
dental impression
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
Application number
US2517100A
Inventor
William E Griswold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GRISWOLD DENTAL BRIDGE Co
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GRISWOLD DENTAL BRIDGE Co
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by GRISWOLD DENTAL BRIDGE Co filed Critical GRISWOLD DENTAL BRIDGE Co
Priority to US2517100A priority Critical patent/US702645A/en
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Publication of US702645A publication Critical patent/US702645A/en
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    • 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

  • n NORRIS PETERS co. Howxuma. WASHINGTON, n, c.
  • My invention relates to dental impressioncups or trays. Its object is to provide an instrument by which I can accurately determine the position the bridge is to permanently assume in place.
  • Figure l is a View in perspective of a tray or impressioncup with my device located
  • Fig. 2 is a vertical central section.
  • 1 represents a cup or tray.
  • 2 is a hollow standard which receives a threaded free rod 3 with a yoke 4 at the top
  • 5 is a rubber cushion in which rests the standard 2. It is obvious that the proper adj ustment can be made by the threaded rod 3 and the hollow standard 2.
  • the rubber cushion need have only an ordinary recess or 3 5 cavity to receive the foot of the standard 2.
  • the device plays up and down easily through a perforation in the bottom of the tray or impression-cup.
  • Iput in the cup preferably, a threeminute plaster, so that'theremay be time to adjust in the mouth.

Description

No. 702,645. Patented lune l7, I902.
W.v E. .GRISWULD.
DENTAL IMPRESSION CUP.
(Application filed July 28, 1900.)
(No Model.)
m: NORRIS PETERS co. Howxuma. WASHINGTON, n, c.
UNITED STATES I PATENT OFFICE.
WILLIAM E. GRISWOLD, OF DENVER, COLORADO, ASSIGNOR, BY DIRECT AND MESNE ASSIGNMENTS, TO GRISWOLD DENTAL BRIDGE COMPANY, OF DENVER, COLORADO, A CORPORATION OF COLORADO.
DENTAL lMPRESSlON-CUP.
srEcIFIcATIoN :fbrming part of Letters Patent No. 702,645, dated June 17, 1902.
Appli ation filed Jul -2s, 1900. swarm. 25,171. (No model.)
To all whom it may concern:
Be it known that I,WILLIAM E. GRIswoLD,
a citizen of the United States,residin g at Den ver, in the county of Arapahoe and State of 5 Colorado, have invented certain new and usefulImprovementsinDentalImpression-Cups; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
My invention relates to dental impressioncups or trays. Its object is to provide an instrument by which I can accurately determine the position the bridge is to permanently assume in place.
It consists, essentially, of an adjustable presser-rod or similar part cushioned andiarranged to play in an ordinary impression-cup or tray, so that it will press home the saddle of the bridge into the soft tissues of the gum under the action of the jaw in biting.
In the accompanying drawings, Figure l is a View in perspective of a tray or impressioncup with my device located, and Fig. 2 is a vertical central section.
In the drawings, 1 represents a cup or tray. 2 is a hollow standard which receives a threaded free rod 3 with a yoke 4 at the top, and 5 is a rubber cushion in which rests the standard 2. It is obvious that the proper adj ustment can be made by the threaded rod 3 and the hollow standard 2. The rubber cushion need have only an ordinary recess or 3 5 cavity to receive the foot of the standard 2. The device plays up and down easily through a perforation in the bottom of the tray or impression-cup.
In use Iput in the cup, preferably, a threeminute plaster, so that'theremay be time to adjust in the mouth. I place the cup in position with the yoke 4 pressing against the saddle and the rubber;5 resting on the occluding teeth. I then have the patient bite with considerableforce, observing that all parts are correctly located and adjusted, and then forc'e upihe tray or cup containing the plaster or'similancasting material. I thus secure an impression with the saddle forced against the soft tissues with all the force which will subsequently be used in mastication, an impression which enables me to so- I have termed the device which plays throughithe cup a presser-rod for convenience, the term being intended to cover any device working in conjunction with an impression-cup' to force a saddle or similar part intothe tissues of the mouth by the action cure an exact fit for the bridge.
of the j aw; in'biting.
It isobvious that mechanical changes in the presser-rod and its cushion may be readily made without departing from the principle of the invention. 7
Having fully described my invention, what I claim is 1. The combination with an impression cup, of a presser-rod, one end of the rod adapted to engage a saddle and the other end adapted to rest upon the opposite jaw to force 76 the saddle into the tissues of the mouth by the action of the jaw in biting.
2. The combination with an impressioncup, of an adjustable presser-rod, playing through the cup, one end of the rod adapted to engage a saddle and the other end adapted to rest upon the opposite jaw to force the saddle into the tissues of the month by the action of the jaw in biting.
3. The combination with an impression- 80 cup, of a cushioned presser rod playing through the cup for the purposes described.
In testimony whereof I affix my signature in presence of two witnesses. WILLIAM E. CRISWOLD.
Witnesses:
WALTER F. ROGERS, EDNA A. HUGHES.
US2517100A 1900-07-28 1900-07-28 Dental impression-cup. Expired - Lifetime US702645A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US2517100A US702645A (en) 1900-07-28 1900-07-28 Dental impression-cup.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2517100A US702645A (en) 1900-07-28 1900-07-28 Dental impression-cup.

Publications (1)

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US702645A true US702645A (en) 1902-06-17

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US2517100A Expired - Lifetime US702645A (en) 1900-07-28 1900-07-28 Dental impression-cup.

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