WO2024019347A2 - Prothèse dentaire - Google Patents

Prothèse dentaire Download PDF

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Publication number
WO2024019347A2
WO2024019347A2 PCT/KR2023/008815 KR2023008815W WO2024019347A2 WO 2024019347 A2 WO2024019347 A2 WO 2024019347A2 KR 2023008815 W KR2023008815 W KR 2023008815W WO 2024019347 A2 WO2024019347 A2 WO 2024019347A2
Authority
WO
WIPO (PCT)
Prior art keywords
denture
gum
gums
artificial
dental prosthesis
Prior art date
Application number
PCT/KR2023/008815
Other languages
English (en)
Korean (ko)
Other versions
WO2024019347A3 (fr
Inventor
김시호
Original Assignee
김시호
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 김시호 filed Critical 김시호
Publication of WO2024019347A2 publication Critical patent/WO2024019347A2/fr
Publication of WO2024019347A3 publication Critical patent/WO2024019347A3/fr

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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
    • 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
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • 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
    • 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
    • A61C13/1026—Shock absorbers
    • 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
    • A61C13/225—Fastening prostheses in the mouth
    • 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
    • A61C13/225—Fastening prostheses in the mouth
    • A61C13/2255—Frames for partial dentures; Lingual bars
    • 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
    • A61C13/225—Fastening prostheses in the mouth
    • A61C13/273—Fastening prostheses in the mouth removably secured to residual teeth by using bolts or locks
    • 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
    • A61C13/225—Fastening prostheses in the mouth
    • A61C13/275—Fastening prostheses in the mouth removably secured by using bridging bars or rails between residual teeth
    • 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
    • A61C13/225—Fastening prostheses in the mouth
    • A61C13/277—Telescopic anchoring, i.e. using spring biased detents

Definitions

  • the present invention relates to dental prosthesis. More specifically, the present invention relates to a dental prosthesis that can effectively compensate for the loss of gum bone of extracted teeth.
  • humans have a total of 32 teeth, including 16 teeth in the upper jaw and 16 teeth in the lower jaw.
  • the deciduous teeth created in infancy are replaced with permanent teeth as the child grows, and people use the permanent teeth for oral activities throughout their lives. Perform. If one or more teeth are damaged due to oral diseases such as tooth decay after the creation of permanent teeth, a dental prosthesis to replace the missing teeth is worn to supplement smooth masticatory function.
  • Missing tooth replacement dental prosthesis is a device that restores function by replacing missing teeth with artificial teeth (dentures) for large parenchymal defects of teeth, or decline in oral function or abnormal shape due to tooth loss. Dentures, partial dentures, removable dentures You can use dental protectors.
  • Republic of Korea Patent Publication No. 10-2015-0029117 (published on March 18, 2015) includes a coupling portion in which a groove is formed into which the gum is inserted, and at least one arranged along the upper side of the coupling portion.
  • a removable denture including a denture body having a denture and an elastic member embedded along the bottom of the coupling portion so that the coupling portion elastically couples to the gum.
  • Patent No. 10-1890884 registered on August 16, 2018
  • the applicant has a screw-like insert in the through hole 21' formed from the upper surface to the center of the denture 20'. It discloses that the height of the dental prosthesis 1' is adjusted to correspond to the state of the user's gums by inserting the fastening tool 13'.
  • the purpose of the present invention is to provide a dental prosthesis and dentures that can make up for the loss of gum bone in the natural gums remaining in spaces where teeth are missing.
  • the present invention provides a dental prosthesis that is placed on the gums, and the dental prosthesis includes: a central denture that is mounted on the gums to cover the space where the teeth are missing; and at least one peripheral denture covering the teeth surrounding the missing tooth; Includes, the central denture includes a fastening hole formed to a predetermined height near the center of the surface where the central denture is in contact with the gums, and a bolt inserted and coupled to the fastening hole, and the dental prosthesis is between the lower surface of the bolt and the gums.
  • a dental prosthesis is provided that further includes an elastic member having a predetermined height to tightly fill the gap between the central denture and the gums caused by loss of the gum bone.
  • a screw thread is formed in the fastening hole, and a screw thread of a shape complementary to the screw thread may be formed in the bolt.
  • the present invention is a denture including an artificial denture and an artificial gum supporting the artificial denture, wherein the denture is attached to the artificial gum covering the space of the missing tooth at a predetermined height near the center of the surface in contact with the gum of the missing tooth. It includes a fastening hole formed up to and a bolt inserted and coupled to the fastening hole, and further includes an elastic member having a predetermined height between the lower surface of the bolt and the gum to reduce the gap between the artificial gum and the gum caused by loss of gum bone. Dentures are provided to fill any gaps.
  • the artificial denture of the above denture is made of two artificial denture rows separated from each other, and artificial gums made of soft material are formed to support each denture row, so that the denture may be a partial denture.
  • the denture may be a full denture.
  • the lower end of the bolt may penetrate the elastic member and point toward or contact the gum.
  • the procedure can be performed quickly and easily using an elastic member without the need to replace or repair a dental prosthesis or denture. Even when multiple procedures are required over a long period of time, the elastic member can be used. Since it is sufficient to exchange, it is economical and simple.
  • FIG. 1 is a diagram showing an example of a dental prosthesis according to an embodiment of the present invention.
  • Figure 2 is a view showing the dental prosthesis of Figure 1 being mounted on the gum via an elastic pad;
  • Figure 3 is a diagram showing an example of a dental prosthesis according to another embodiment of the present invention.
  • Figure 4 is a diagram showing an example of a partial denture according to an embodiment of the present invention.
  • Figure 5 is a diagram showing an example of a full denture according to an embodiment of the present invention.
  • Figure 6 is a diagram showing an example of a dental prosthesis of the prior art.
  • “dental prosthesis” refers to an artificial prosthesis including dentures manufactured for tooth extraction, defects or treatment, etc., that can be combined with and separated from natural teeth or gums. Therefore, prosthetics used for implants or bridges that are permanently or semi-permanently bonded to teeth or gums are excluded.
  • body parts such as “teeth” or “gum” shall refer to natural teeth or natural gums if there is no modifier such as “artificial” or “synthetic.”
  • Figure 1 shows an example of a dental prosthesis 1 according to an embodiment of the present invention.
  • the dental prosthesis (1) is placed on the gum (A).
  • the dental prosthesis 1 is manufactured to have a natural shape according to the shape of the tooth.
  • the appearance of the dental prosthesis 1 consists of, for example, a frame 100 having the appearance of three teeth arranged in succession.
  • the inside of the frame 100 is largely divided into three spaces with elastic connectors 17 made of an elastic material so that they can be adjusted according to the user's dental structure.
  • the teeth on the left and right serve as supports to support the central artificial tooth.
  • the denture 10 in the center of the dental prosthesis 1 is an artificial tooth that covers the space caused by a missing tooth
  • the denture 30 on the left and the denture 32 on the right are the teeth existing on the left and right of the missing tooth. It is manufactured to cover. These teeth are pre-cut so that they can be naturally inserted into the left and right dentures 30 and 32 and can function like an abutment of a bridge.
  • a metal surface 100a such as stainless steel or titanium alloy, may be formed integrally with the upper surface of the frame 100 covering the central denture 10.
  • a threaded fastening hole 12 is formed from near the center of the lower surface of the central denture 10, where the central denture 10 is in contact with the gums, to a predetermined height. Then, a long bolt 50 in the shape of a circular column with a thread complementary to the fastening hole 12 is screwed into the fastening hole 12. Since the height at which the central denture 10 is located varies depending on the height at which the fastening hole 12 and the bolt 50 are finally combined, the fastening hole 12 or the bolt 50 is installed in consideration of the shape of the user's gums and the state of teeth. After determining the size or specifications, the size and height of the left and right dentures 30 and 32 can also be determined. For example, if the gums of the patient's missing central tooth are convex, a short screw is used.
  • the present invention is characterized in that the gap between the central denture (10) and the gum (A) is tightly filled by interposing an elastic member (20) with a predetermined height between the lower surface of the bolt (50) and the gum (A).
  • the elastic member 20 is made of a material that can bend and bend to a certain degree, such as silicone, rubber, or fiber, which is not at all harmful to the human body.
  • the elastic member 20 may not be used when the dental prosthesis 1 is implanted in a patient for the first time. However, it is effectively used when it is necessary to replace a dental prosthesis as the gum bone at the extraction site is absorbed and lost by approximately 1 mm per year.
  • the dental prosthesis (1) is separated from the patient's teeth, and then the elastic member (20) is placed on the gum (A) area of the extracted tooth.
  • the size and height of the elastic member 20 may be determined based on a photograph of the patient's teeth.
  • the dental prosthesis 1 is joined to the tooth row as shown in FIG. 2.
  • the head portion 52 which is the lower surface of the bolt 50, serves to pressurize the elastic member 20 and secure it to the gums.
  • the dental prosthesis 1 can be quickly and easily performed using the elastic member without the need to replace or repair it.
  • it is sufficient to replace the elastic member 20, making it inexpensive and convenient.
  • the elastic member 20 may be brought into close contact with the lower surface of the central denture 10 so as to contact the head portion 52 of the bolt 50 without previously being mounted on the gum A, and then the dental prosthesis 1 may be combined. .
  • fastening hole 12 and the bolt 50 are described as having threads as an example, it is also possible to manufacture them without threads as shown in FIG. 3 and join the two members by forcibly press-fitting them.
  • “Dentures” correspond to dental prosthesis in a broad sense, but are different in that artificial gums are formed to support the dentures, and in this respect, they will be explained in a separate example.
  • Figure 4 is a perspective view of a partial denture 200 using an elastic member 20 to compensate for the loss of gum bone according to the present invention.
  • the partial denture 200 includes, for example, four denture rows 202 on the left, three denture rows 204 on the right, and a metal connector 206 connecting the two denture rows 202 and 204. It consists of
  • An artificial gum (B) made of a soft material is formed at the lower part of each denture row (202, 204), and the lower surface of the artificial gum (B) is in contact with the gum (A).
  • a fastening hole 212 with threads is formed to a predetermined height near the center of the lower surface where the artificial gums (B) contact the gums (A), and a long circular column shape with threads complementary to the fastening holes 212 is formed.
  • the bolt 250 is screwed into the fastening hole 212.
  • the present invention provides an elastic member (20) with a predetermined height between the lower surface of the bolt (250) and the gum (A) to close the gap between the artificial gum (B) and the gum (A). It is characterized by filling without.
  • the elastic member 20 may not be used when the patient wears the partial denture 200 for the first time. However, it is effectively used when it is necessary to replace a dental prosthesis as the gum bone in the area where the tooth is extracted is absorbed and lost by approximately 1 mm per year.
  • the partial denture 200 is separated from the patient's teeth, and then the elastic member 20 is placed on the area of the gums (A) that are in contact with the artificial gums (B). Next, the partial denture 200 is combined according to the tooth row.
  • the head portion which is the lower surface of the bolt 250, serves to pressurize the elastic member 20 and secure it to the gums.
  • a plurality of fastening holes 212 may be formed in the artificial gum B to couple the artificial gum B with a plurality of bolts 250, and the plurality of bolts 250 may press the elastic member 20.
  • a combination of fastening hole-bolt-elastic member may be used for each corresponding artificial gum (B).
  • the elastic member 20 does not need to cover all parts of the gums (A), and if necessary, its size may be determined to cover only the parts where gum bones are missing.
  • FIG. 5 is a perspective view of a full denture 300 using an elastic member 20 to compensate for the loss of gum bone according to the present invention.
  • the full denture 300 consists of an artificial denture that replaces all teeth, and an artificial gum (B) of a continuous shape made of soft material that supports the artificial denture.
  • a fastening hole 212 with threads is formed from near the center of the lower surface of the artificial gums (B) in contact with the gums (A), not shown, to a predetermined height, and a circular column with threads of a shape complementary to the fastening holes 212 is formed.
  • a long bolt 250 is screwed into the fastening hole 212.
  • the present invention provides an elastic member (20) with a predetermined height between the lower surface of the bolt (250) and the gum (A) to close the gap between the artificial gum (B) and the gum (A). It is characterized by filling without.
  • bolts 250 are combined with the artificial gums (B) supporting the left and right and upper and lower four molar denture rows where gum bone loss occurs most often, and an elastic member to be seated on the corresponding gum area (not shown). 20) is shown.
  • the number and installation location of the bolts 250 can be appropriately changed depending on the condition of the patient's gums.

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 Prosthetics (AREA)

Abstract

La présente invention concerne une structure dans laquelle un élément élastique est inséré entre une prothèse dentaire et la gencive afin de compenser la perte osseuse alvéolaire résultant du passage d'une longue période de temps. Une structure améliorée peut être appliquée à la fois à une prothèse dentaire et à des dentiers.
PCT/KR2023/008815 2022-07-21 2023-06-26 Prothèse dentaire WO2024019347A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2022-0090513 2022-07-21
KR1020220090513A KR20240012940A (ko) 2022-07-21 2022-07-21 치아 보철물

Publications (2)

Publication Number Publication Date
WO2024019347A2 true WO2024019347A2 (fr) 2024-01-25
WO2024019347A3 WO2024019347A3 (fr) 2024-09-12

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ID=89618157

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2023/008815 WO2024019347A2 (fr) 2022-07-21 2023-06-26 Prothèse dentaire

Country Status (2)

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KR (1) KR20240012940A (fr)
WO (1) WO2024019347A2 (fr)

Also Published As

Publication number Publication date
KR20240012940A (ko) 2024-01-30
WO2024019347A3 (fr) 2024-09-12

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