WO1985004322A1 - Dispositif et procede de fabrication d'une empreinte pour prothese dentaire - Google Patents

Dispositif et procede de fabrication d'une empreinte pour prothese dentaire Download PDF

Info

Publication number
WO1985004322A1
WO1985004322A1 PCT/EP1985/000121 EP8500121W WO8504322A1 WO 1985004322 A1 WO1985004322 A1 WO 1985004322A1 EP 8500121 W EP8500121 W EP 8500121W WO 8504322 A1 WO8504322 A1 WO 8504322A1
Authority
WO
WIPO (PCT)
Prior art keywords
impression
reinforcement insert
jaw
paste
receiving channel
Prior art date
Application number
PCT/EP1985/000121
Other languages
German (de)
English (en)
Inventor
Horst Ludwigs
Original Assignee
Horst Ludwigs
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.)
Filing date
Publication date
Application filed by Horst Ludwigs filed Critical Horst Ludwigs
Priority to GB08526452A priority Critical patent/GB2167669A/en
Publication of WO1985004322A1 publication Critical patent/WO1985004322A1/fr

Links

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

  • the invention relates to a device for making pre-impressions for dental sow, consisting of an impression tray and a deformable impression compound, preferably silicone silicone, which is introduced into the impression tray and can be molded onto the teeth and / or the jaw, and a method to make these preprints.
  • a device for making pre-impressions for dental sow consisting of an impression tray and a deformable impression compound, preferably silicone silicone, which is introduced into the impression tray and can be molded onto the teeth and / or the jaw, and a method to make these preprints.
  • the invention has created the creation of an inherently stable preprint that is free of vetforms and distortion and thus enables precise processing of the edge design by cutting.
  • a reinforcement insert in the impression material, absolute precision with provisional margins were created under functional conditions, that is to say that the pre-impression can be precisely edited in its edge design immediately after the impression has been made, and then an impression can be made of it Made of plaster in precise execution and without post-processing.
  • FIG. 1 is a plan view of a pre-made impression for dentures with a reinforcement insert embedded in the molded impression material
  • FIG. 2 is a front view of the preprint of FIG. 1 in partial section
  • FIG. 3 shows a perspective view of an impression spoon for a lower or jaw with an impression mass partially inserted and with reinforcement insert in the not yet inserted state
  • FIG. 4 shows a perspective view of an impression spoon for an upper jaw with partially inserted impression material and with reinforcement insert in the not yet inserted state.
  • impression tray 1 denotes an impression tray for a lower jaw and 2 an impression tray for an upper jaw of the device (hand-held device) according to the invention for making preliminary impressions 3 for dentures, this impression tray 1, 2 being known in a known manner from metal, preferably corrosion-protected ( surface-finished) metal, and is equipped with a handle handle la, 2a.
  • the impression pot 1, 2 has a U-like basic shape with a groove-shaped cross section, corresponding to the jaw shape, as a result of which it has a receiving groove 4 for an impression material 5, preferably silicone material;
  • the impression tray 2 for the upper jaw has a palate curve 4a between its basic U shape.
  • the impression tray 1, 2 has a multiplicity of locking holes 6 for the impression compound 5, so that it remains fixed in position in the receiving channel 4 when the preliminary impression 3 is made.
  • This reinforcement insert 7 is formed for the lower jaw impression 3 from a U-shaped in the basic shape and in itself flat plate (cf. * Fig. 1 to 3), the size of its basic shape of the receiving channel 4 of the impression tray 1 adapted and in this receiving channel 4 can be inserted with play.
  • the reinforcement insert 8 for the upper jaw impression according to FIG. 4 is also U-shaped in its basic form and forms a plate-shaped U-edge 8a with an intervening bulge 8b.
  • several renting openings 9 (anchoring breakthroughs) for the impression compound 5 are left out, which are formed by holes, but preferably by slots running transversely to the U-shape.
  • the reinforcement insert 7.8 has the same wall thickness over its entire extension, which can preferably be between 1 mm and 3 mm.
  • a preprint 3 is produced as follows:
  • a layer of impression material 5 is placed in the impression tray 1, 2, which fills the entire basic shape of the receiving channel 4 with a thickness of approx. 2-3 mm. 4, the impression material layer 5 also covers the palate arch 4a of the impression tray 2 (partially shown). Then the corresponding reinforcement insert 7.8 is placed in the receiving channel 4 on this impression mass layer 5 and then a layer of impression mass 5 is applied to this reinforcement insert 7.8 so that the reinforcement insert 7.8 is completely embedded in the impression mass. The impression spoon 1, 2 is then introduced into the patient's mouth and the impression is taken under moderate pressure. The process of applying the two layers of impression material 5, as well as the insertion of the reinforcement 7,8, and also the introduction of the - 5 -
  • impression trays prepared in this way in the patient's mouth must lie within the processing time of the impression material used (preferably silicone), so that a homogeneous connection of the two layers of the impression material through the retention openings 9 of the reinforcement insert 7, 8, as well as an exact impression of the jaw is guaranteed.
  • the impression material used preferably silicone
  • the spoon 1-2 is removed from the patient's mouth and the pre-impression 3 can then be removed from the spoon 1,2. Due to the embedded reinforcement insert 7, 8, the preliminary impression 3 is stabilized in itself, and the excess impression compound 5 can then be removed from the preliminary impression 3 by cutting, so that the tooth and jaw contours required for the dental prosthesis are particularly precise in the edge design can be created without the impression mass 5 deforming during processing. An exact plaster model can then be produced from this precise preliminary impression 3 as the basis for the creation of the denture.

Landscapes

  • 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 Preparations (AREA)
  • Dental Prosthetics (AREA)

Abstract

Le dispositif comprend un porte-empreinte (1) et une pâte (5) déformable, de préférence à base de silicone, disposée dans le porte-empreinte et apte à prendre la forme des dents et/ou de la mâchoire. Une armature (7), de préférence en métal, est noyée dans la pâte; elle est constituée par une plaque munie d'ouvertures de rétention et présentant une forme correspondant à la mâchoire. Pour la fabrication d'une empreinte avec ce dispositif, une couche de pâte (5) est disposée dans la rainure (4) du porte-empreinte (1) de manière à recouvrir tout le fond de cette rainure (4) et à occuper une partie de la hauteur, puis l'armature (7) est placée sur cette couche et une nouvelle couche de pâte est disposée sur l'armature (7, 8) dans la rainure (4) de manière que l'armature soit à égale distance du fond et des côtés de la rainure (4) et soit enrobé dans la pâte (5). La pâte est ensuite mise en forme par pression des dents et/ou de la mâchoire dans la pâte, puis celle-ci est durcie et l'empreinte (3) est retirée du porte-empreinte (1, 2). Enfin, la pâte en surplus sur les bords de l'empreinte est enlevée par coupage.
PCT/EP1985/000121 1984-03-22 1985-03-22 Dispositif et procede de fabrication d'une empreinte pour prothese dentaire WO1985004322A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08526452A GB2167669A (en) 1984-03-22 1985-03-22 Device and process for making a denture impression

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843410487 DE3410487A1 (de) 1984-03-22 1984-03-22 Vorrichtung und verfahren zum anfertigen von vorabdruecken fuer zahnersatz
DEP3410487.9 1984-03-22

Publications (1)

Publication Number Publication Date
WO1985004322A1 true WO1985004322A1 (fr) 1985-10-10

Family

ID=6231254

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1985/000121 WO1985004322A1 (fr) 1984-03-22 1985-03-22 Dispositif et procede de fabrication d'une empreinte pour prothese dentaire

Country Status (5)

Country Link
JP (1) JPS61501496A (fr)
DE (1) DE3410487A1 (fr)
GB (1) GB2167669A (fr)
IT (1) IT1185546B (fr)
WO (1) WO1985004322A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0265771A1 (fr) * 1986-10-15 1988-05-04 Sunstar Kabushiki Kaisha Protège-bouche et procédé de fabrication de celui-ci
EP1814487A2 (fr) * 2004-11-19 2007-08-08 Den-Mat Corporation Dispositif prosthodontique souple

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6079977A (en) * 1999-03-03 2000-06-27 Persichetti; Joseph A. Dental impression tray
DE102006057220B4 (de) * 2006-12-01 2020-10-15 Dental Innovation Gmbh Verfahren und Vorrichtung zum scharnierachsenbezogenen Transfer eines Kiefermodells

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1505862A (en) * 1923-06-09 1924-08-19 Sr Houston M Carroll Compression tray
US1763553A (en) * 1929-03-21 1930-06-10 Charles B Dennis Method and apparatus for use in taking impressions of edentulous mouths
US1778293A (en) * 1928-07-20 1930-10-14 William H Edwards Dental impression bite
US2247013A (en) * 1940-06-11 1941-06-24 Coble Lucian Graves Dental impression tray

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1505862A (en) * 1923-06-09 1924-08-19 Sr Houston M Carroll Compression tray
US1778293A (en) * 1928-07-20 1930-10-14 William H Edwards Dental impression bite
US1763553A (en) * 1929-03-21 1930-06-10 Charles B Dennis Method and apparatus for use in taking impressions of edentulous mouths
US2247013A (en) * 1940-06-11 1941-06-24 Coble Lucian Graves Dental impression tray

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0265771A1 (fr) * 1986-10-15 1988-05-04 Sunstar Kabushiki Kaisha Protège-bouche et procédé de fabrication de celui-ci
EP1814487A2 (fr) * 2004-11-19 2007-08-08 Den-Mat Corporation Dispositif prosthodontique souple
EP1814487A4 (fr) * 2004-11-19 2009-12-30 Den Mat Holdings Llc Dispositif prosthodontique souple

Also Published As

Publication number Publication date
GB8526452D0 (en) 1985-11-27
JPS61501496A (ja) 1986-07-24
IT8519986A0 (it) 1985-03-21
DE3410487A1 (de) 1985-09-26
GB2167669A (en) 1986-06-04
IT1185546B (it) 1987-11-12

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