US638019A - Artificial tooth. - Google Patents

Artificial tooth. Download PDF

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Publication number
US638019A
US638019A US72293199A US1899722931A US638019A US 638019 A US638019 A US 638019A US 72293199 A US72293199 A US 72293199A US 1899722931 A US1899722931 A US 1899722931A US 638019 A US638019 A US 638019A
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United States
Prior art keywords
cavity
artificial tooth
wall
plate
slot
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Expired - Lifetime
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US72293199A
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Henry D Justi
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Individual
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Priority to US72293199A priority Critical patent/US638019A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/10—Fastening of artificial teeth to denture palates or the like
    • A61C13/1003—Fastening of artificial teeth to denture palates or the like by embedding in base material
    • A61C13/1006—Fastening of artificial teeth to denture palates or the like by embedding in base material characterised by a tooth shape which improves retention

Definitions

  • Tm NORRIS PEYERS ca. morou'rrga. WASHINGTUN. b. c.
  • My invention consists of an artificial tooth which is provided with a vertical cavity having one of its walls right-lined or fiat and a vent and vertical slot in either wall both in communication with said cavity at an angle to said right-lined or fiat wall, the operation and advantages of the same being hereinafter set forth.
  • Figure 1 represents a perspective view of an artificial tooth embodying myinvention.
  • Fig. 2 represents a horizontal section thereof on line a: at, Fig. 3.
  • Fig. 3 represents a vertical section on line y y, Fig. 1.
  • Fig. 4 represents a section similar to Fig. 2, with the addition of the material of the base or plate.
  • A designates an artificial tooth, from the back of the face portion of which extend the side walls E, which converge rearwardly and join the rear wall 0, forming the vertical cavity B in the tooth.
  • said rear wall O is the vertical slot D, and in said side walls are the horizontally-extending openings F, the latter and said slot being in communication with said cavity at an angle to each other.
  • the inner side of the face portion or wall of the cavity toward said portion is flat or right-lined, as at G, the side terminals of said portion joining the interior of the side walls E.
  • the slot 1) extends entirely through the wall in which it is formed, so that some of the material of the plate passes through said slot, forming a neck, which c0nnects the main body of the plate with the portion within the cavity.
  • the openings F form vents for the escape of air during the entrance of the material into the cavity, and said openings are filled with some of the material, thus effectively interlocking the tooth with the base or plate.
  • An artificial tooth provided with a vertical cavity, having one of its walls right-lined or flat, and a vent and vertical slot in either wall both in communication with said cavity at an angle to said right-lined or fiat wall.
  • WIEDERSHEIM JOHN A. WIEDERSHEIM, WM. 0. WIEDERSHEIM.

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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 Prosthetics (AREA)

Description

No, 638,019. Patented Nov. 28, I899.
11. .u, JUSTI. I
ARTIFICIAL TOOTH.
(Application flied July 6, 1899.)
(No Model.)
Tm: NORRIS PEYERS ca. morou'rrga. WASHINGTUN. b. c.
UNITED STATES PATENT OFFICE.
HENRY D. JUSTI, OF PHILADELPHIA, PENNSYLVANIA.
ARTIFICIAL TOOTH.
SPECIFICATION forming part of Letters latent No. 638,019, dated November 28, 1899.
Application filed July 6, 1899. Serial No. 722,931. (No model.)
To ctZZ whom it may concern:
Be it known that I, HENRY D. JUSTI, a citizen of the United States, residing in the city and county of Philadelphia, State of Pennsylvania, have invented a new and useful Improvement in Mineral and other Artificial Teeth, which improvement is fully set forth in the following specification and accom pan ying drawings.
My invention consists of an artificial tooth which is provided with a vertical cavity having one of its walls right-lined or fiat and a vent and vertical slot in either wall both in communication with said cavity at an angle to said right-lined or fiat wall, the operation and advantages of the same being hereinafter set forth.
Figure 1 represents a perspective view of an artificial tooth embodying myinvention. Fig. 2 represents a horizontal section thereof on line a: at, Fig. 3. Fig. 3 represents a vertical section on line y y, Fig. 1. Fig. 4 represents a section similar to Fig. 2, with the addition of the material of the base or plate.
Similar letters of reference indicate corresponding parts in the figures.
Referring to the drawings, A designates an artificial tooth, from the back of the face portion of which extend the side walls E, which converge rearwardly and join the rear wall 0, forming the vertical cavity B in the tooth. In said rear wall Ois the vertical slot D, and in said side walls are the horizontally-extending openings F, the latter and said slot being in communication with said cavity at an angle to each other. The inner side of the face portion or wall of the cavity toward said portion is flat or right-lined, as at G, the side terminals of said portion joining the interior of the side walls E. The slot 1) extends entirely through the wall in which it is formed, so that some of the material of the plate passes through said slot, forming a neck, which c0nnects the main body of the plate with the portion within the cavity.
Itwill be seen that when the material of the base or plate is introduced into the cavity B some of the same fills the same and also occupies the slot D and interlocks with the latter. It also flows against the fiat or rightlined portion G of the front wall of the cavity and conforms to the shape of said portion.
The openings F form vents for the escape of air during the entrance of the material into the cavity, and said openings are filled with some of the material, thus effectively interlocking the tooth with the base or plate.
Owing to the flat or right-lined portion G of the wall of the cavity and the conformation of the material of the base or plate thereto, there is an abutment of opposite longitudinally-parallel surfaces-viz. the portion G of the tooth and the contacting portion of the material of the base or plate-and thus, owing to the further interlocking of the material with the walls of the slot D and of the openings F, the tooth is prevented from turning on the base or plate, and vice versa, it being also reliably fastened or connected, this being accomplished without platinum or other valuable material, the saving of which is appreciable.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
An artificial tooth provided with a vertical cavity, having one of its walls right-lined or flat, and a vent and vertical slot in either wall both in communication with said cavity at an angle to said right-lined or fiat wall.
' HENRY D. J USTI.
Witnesses:
JOHN A. WIEDERSHEIM, WM. 0. WIEDERSHEIM.
US72293199A 1899-07-06 1899-07-06 Artificial tooth. Expired - Lifetime US638019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US72293199A US638019A (en) 1899-07-06 1899-07-06 Artificial tooth.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72293199A US638019A (en) 1899-07-06 1899-07-06 Artificial tooth.

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US638019A true US638019A (en) 1899-11-28

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419084A (en) * 1940-06-27 1947-04-15 Myerson Simon Denture
US2463549A (en) * 1948-07-17 1949-03-08 Myerson Simon Artificial tooth and method of uniting an artificial tooth to a tooth support
US5632621A (en) * 1995-08-17 1997-05-27 Moodley; Sundru M. Dentures for anterior teeth
WO2012042994A1 (en) * 2010-09-30 2012-04-05 株式会社シケン Plate denture and artificial teeth used therein

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419084A (en) * 1940-06-27 1947-04-15 Myerson Simon Denture
US2463549A (en) * 1948-07-17 1949-03-08 Myerson Simon Artificial tooth and method of uniting an artificial tooth to a tooth support
US5632621A (en) * 1995-08-17 1997-05-27 Moodley; Sundru M. Dentures for anterior teeth
WO2012042994A1 (en) * 2010-09-30 2012-04-05 株式会社シケン Plate denture and artificial teeth used therein
JP2012075619A (en) * 2010-09-30 2012-04-19 Shiken:Kk Plate denture, and artificial tooth used for the same
KR20140005873A (en) * 2010-09-30 2014-01-15 가부시키가이샤 시켄 Plate denture and artificial teeth used therein
US9113986B2 (en) 2010-09-30 2015-08-25 Shiken Corporation Denture and artificial tooth used in the denture
KR101656555B1 (en) 2010-09-30 2016-09-09 가부시키가이샤 시켄 Denture, prosthetic tooth used in the denture and method of attaching the prosthetic tooth

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