[go: up one dir, main page]

WO2012008566A1 - Modèle pour la dentisterie - Google Patents

Modèle pour la dentisterie Download PDF

Info

Publication number
WO2012008566A1
WO2012008566A1 PCT/JP2011/066192 JP2011066192W WO2012008566A1 WO 2012008566 A1 WO2012008566 A1 WO 2012008566A1 JP 2011066192 W JP2011066192 W JP 2011066192W WO 2012008566 A1 WO2012008566 A1 WO 2012008566A1
Authority
WO
WIPO (PCT)
Prior art keywords
model
jawbone
cavity
dental
dental model
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.)
Ceased
Application number
PCT/JP2011/066192
Other languages
English (en)
Japanese (ja)
Inventor
慎史 三栗
正人 岸田
俊光 国保
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.)
Nissin Dental Products Inc
Original Assignee
Nissin Dental Products Inc
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 Nissin Dental Products Inc filed Critical Nissin Dental Products Inc
Priority to JP2012524605A priority Critical patent/JPWO2012008566A1/ja
Publication of WO2012008566A1 publication Critical patent/WO2012008566A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
    • G09B23/283—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine for dentistry or oral hygiene

Definitions

  • the present invention relates to a dental model used for dental training.
  • An artificial tooth root is one in which an artificial tooth root is embedded in the jawbone of a defective portion of a permanent tooth and a denture is covered thereon, but a high technique is required for drilling the jawbone. That is, in order to embed an implant typified by an artificial tooth root, it is necessary to perform drilling at an accurate position to avoid destruction of surrounding tissues.
  • Patent Documents 1 to 4 a dental model used for training of drilling of the jawbone has been disclosed (see Patent Documents 1 to 4). These dental models have model jawbones that imitate the jawbone.
  • the present inventors have found that in the above embodiment, it is difficult to accurately grasp whether or not the mandibular canal is damaged or not during training. For this reason, the said aspect is inadequate at the point which feeds back the effect of training, and is also a disorder
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a dental model that can accurately grasp the presence or absence of the mandibular canal in training of drilling the jawbone.
  • the present inventors have found that the arrival of the drilling tool can be grasped from the outside by forming a cavity in a part of the model jawbone corresponding to part or all of the mandibular canal and arranging an appropriate object in this cavity.
  • the present invention has been completed. Specifically, the present invention provides the following.
  • a dental model equipped with a model jawbone and used for dental training A dental model in which a cavity is formed in the model jawbone at a location corresponding to a part or all of the mandibular canal.
  • a cavity is formed at a position corresponding to a part or all of the mandibular canal in the model jawbone, it is possible to grasp the arrival of the drilling tool from the outside by arranging an appropriate object in this cavity. can do. Accordingly, it is possible to accurately grasp whether or not the mandibular canal is damaged or not in the drilling of the jawbone.
  • FIG. 2 is a sectional view taken along the line II-II of the model jawbone in the dental model of FIG. 1. It is a figure which shows the usage method of the dental model of FIG.
  • FIG. 1 is an overall perspective view of a dental model 10 according to the first embodiment of the present invention.
  • the dental model 10 includes a model jawbone 40 simulating a jawbone, and model teeth 20 having a shape approximate to the actual tooth shape are supported on the model jawbone 40.
  • the dental model 10 shown in FIG. 1 has a structure corresponding to the entire lower jaw, but has at least a location necessary for drilling practice (that is, a location where a later-described molar 21 is to be supported). Good.
  • the model tooth 20 is not an essential element.
  • the model tooth 20 of this embodiment is composed of an anterior tooth 23 and, if necessary, a molar.
  • Each model tooth 20 includes a crown portion and a root portion, and the front teeth 23 and the molars are different from each other in shape.
  • the molars are missing and the model jawbone 40 is exposed, and drilling training can be performed at this location.
  • the number and location of the missing molar teeth are not particularly limited.
  • FIG. 2 is a cross-sectional view of the model jawbone 40 in the dental model 10
  • FIG. 3 is a diagram showing how to use the dental model 10.
  • a cavity 47 is formed in the model jaw bone 40 at a location corresponding to a part or the whole of the mandibular canal.
  • a typical mandibular canal is a small branch that is fed from the inside of the bone facing the anterior and medial side of the mandibular hole to the roots of the large and premolars and the canine, under the alveoli of the mandibular body, almost parallel to the hyoid hyoid muscle line. Run forward and open to the face with a pit hole.
  • the cavity 47 may extend downward and forward from the hole 48 corresponding to the mandibular hole of the model jawbone 40 and may be bent outward at the distal end 49 to the hole 46 as necessary.
  • the cavity may be formed differently from that shown in FIG. 2 for the purpose of reducing the labor of forming the cavity or intentionally imitating an abnormal mandibular canal.
  • the cavity 47 penetrates to the surface of the model jawbone in that the user can easily arrange the arrangement 50.
  • the cavity 47 penetrates to the surface of the model jawbone by a hole 48 formed in the inner side of the model jawbone 40.
  • the arrangement object 50 arranged in the cavity 47 may be any of a lump (having a certain shape-retaining property), a powder, and a liquid (having substantially no shape-retaining property), and is not particularly limited. However, it is preferable that it is a different color different color from the model jawbone 40. When the drilling tool accidentally reaches the cavity 47, the arrangement 50 scraped by the drilling tool is discharged to the surface of the model jawbone 40. In this case, the presence or absence of fragments of the scraped arrangement 50 is easily determined by the color difference. I can confirm. Although not particularly limited, since the model jawbone 40 (in particular, the surface 41 and the filler 43) is white or milky white, the different color material may be red, blue, black, or the like.
  • the arrangement 50 is a different conductive material having a conductivity different from that of the model jawbone.
  • the conductivity of the member that contacts the drilling tool changes, so monitoring the associated phenomenon (typically a potential change) makes it easy to check the training results. it can.
  • the material of the different conductivity material may be appropriately selected in relation to the material of the model jawbone, and may be either high conductivity or low conductivity.
  • thermosetting resin such as a model jawbone (particularly, the filler 43) (for example, phenol resin, melamine resin, urea resin, unsaturated polyester, epoxy resin, allyl resin, urethane resin) , Polyethylene, polypropylene, styrene butadiene resin, AAS resin, ACS resin, EVA resin, polyacetal, polycarbonate, cellulosic plastic and other thermoplastic resins) have low conductivity, so the material of the different conductive material is metal wire, etc. It can be highly conductive.
  • the filler 43 for example, phenol resin, melamine resin, urea resin, unsaturated polyester, epoxy resin, allyl resin, urethane resin
  • the dental model 10 further includes notification means for notifying a change in electrical parameter due to the excavation tool coming into contact with a different conductive material.
  • notification means for notifying a change in electrical parameter due to the excavation tool coming into contact with a different conductive material.
  • Such informing means may utilize a conventionally known mechanism, and includes, for example, a conducting wire that electrically connects the excavation tool and the different conductive material, and further includes parameters related to the current passing through the conducting wire ( For example, a measuring instrument for measuring a current value or a voltage value, or a device (for example, a lamp or a speaker) that emits light, sound, or the like based on a change in current passing through a conducting wire or the like may be provided. Since these specific structures are conventionally well-known techniques, description thereof is omitted.
  • Arrangement 50 may be in any form as described above, but is preferably a linear member having flexibility. Since such a linear member has flexibility, it can be easily inserted into and removed from the bent cavity 47 before and after training, thereby more accurately grasping the result of training from the degree and location of external damage. Can do.
  • the specific material is not particularly limited, and may be a conventionally known resin or the like.
  • Such an arrangement 50 preferably has an extending portion 51 that extends from the hole 48 to the outside in that it can be more easily inserted into and removed from the cavity 47.
  • the present invention is not limited to this, and for example, the model jawbone 40 may be divided on the surface including the cavity 47, and the arrangement object 50 may be arranged or removed from the cavity 47 in a divided state.
  • the arrangement 50 positioning object 50 is not restricted to what is provided with any 1 type of the said aspect, You may provide it in combination of 2 or more types.
  • the arrangement 50 may be a linear member in which a highly conductive metal wire or the like is covered with a different color object (for example, a cylindrical resin) different from the model jawbone 40.
  • the shaped member is flexible.
  • the result of the training can be confirmed by the color difference and the phenomenon accompanying the change in conductivity, and the result of the training can be grasped more accurately from the degree and location of the external loss.
  • a hard member 45 having a hardness higher than that of the other portion of the model jawbone 40 (that is, the filler 43) is disposed on at least the upper surface (that is, the surface 41) side of the model jawbone 40 in the outer periphery of the cavity 47.
  • the material of such a hard member 45 is not particularly limited, but is a thermosetting resin such as phenol resin, melamine resin, urea resin, unsaturated polyester, epoxy resin, allyl resin, or acrylic resin, ABS resin, AAS resin, ACS. Resin, polyamide, polycarbonate, polysulfone, polyphenylene oxide, polyphenylene sulfide, polyarylate, polyethylene terephthalate, polyimide, etc., combined with glass fiber, glass beads, quartz, calcium carbonate, etc. as a filler and reinforced composite resin Etc.
  • the color of the hard member 45 is not particularly limited and may be the same color as the filler 43 or a different color, but is the same color from the viewpoint of improving the ability to detect changes in hardness (it cannot rely on the color of the visible debris). Is preferred.
  • the hard member 45 of the present embodiment is disposed on the entire outer periphery of the cavity 47, but may be provided only on the upper surface (that is, the surface 41) side of the model jawbone 40. . Further, the hard member 45 of the present embodiment is disposed over the entire length of the cavity 47, but may be disposed only in a part of the cavity 47.
  • the arrangement object 50 is arranged in the cavity 47, and the excavation tool 90 is operated in this state, and the tip 91 is pushed down from the surface 41 to the filling material 43 (FIG. 3A).
  • tip 91 will reach the proper depth to implant the desired implant (FIG. 3B).
  • the practice is successful. Up to this point, the surface 41 scraped to the tip 91 and the fragments ⁇ of the filler 43 are discharged.
  • the tip 91 reaches the hard member 45 (that is, the outer edge of the mandibular canal), and changes the sense of the practitioner. If the apprentice can detect this change, the further deterioration of the situation can be prevented by stopping the pushing of the tip 91.
  • the tip 91 reaches the cavity 47 (that is, the nerve inside the mandibular canal), and the fragment ⁇ of the arrangement object 50 scraped to the tip 91 is formed. It will be discharged. Since the pieces ⁇ are different in color from the surface 41 and the pieces ⁇ , the presence of the pieces can be easily confirmed by the color difference. Moreover, when the excavator 90 and the arrangement
  • the present invention is not limited to the above-described embodiment, but includes modifications and improvements as long as the object of the present invention can be achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Computational Mathematics (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Instructional Devices (AREA)

Abstract

L'invention a pour objectif de fournir un modèle pour la dentisterie permettant une compréhension soit de la présence ou de l'absence d'une détérioration du canal dentaire du maxillaire inférieur, soit de l'état de celle-ci, dans le cadre d'un entraînement à la trépanation de la mâchoire. Ce modèle pour la dentisterie (10) est équipé d'une mâchoire modèle, et est mis en œuvre dans l'entraînement en dentisterie. Une cavité (47) est formée dans la mâchoire modèle, en un endroit correspondant à une partie ou à la totalité du canal dentaire du maxillaire inférieur. De préférence, cette cavité (47) traverse une surface (41) de la mâchoire modèle, et un objet d'agencement (50) de couleur différente de celle de la mâchoire modèle, est agencé dans cette cavité. De préférence, l'objet d'agencement (50) possède une conductivité électrique différente de celle de la mâchoire modèle.
PCT/JP2011/066192 2010-07-16 2011-07-15 Modèle pour la dentisterie Ceased WO2012008566A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2012524605A JPWO2012008566A1 (ja) 2010-07-16 2011-07-15 歯科模型

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-161452 2010-07-16
JP2010161452 2010-07-16

Publications (1)

Publication Number Publication Date
WO2012008566A1 true WO2012008566A1 (fr) 2012-01-19

Family

ID=45469560

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/066192 Ceased WO2012008566A1 (fr) 2010-07-16 2011-07-15 Modèle pour la dentisterie

Country Status (2)

Country Link
JP (1) JPWO2012008566A1 (fr)
WO (1) WO2012008566A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019147062A1 (fr) * 2018-01-25 2019-08-01 오스템임플란트 주식회사 Ensemble de blocs osseux alvéolaires artificiels pour entraînement au forage d'implant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH064768U (ja) * 1992-05-13 1994-01-21 株式会社高研 注射採血輸液手技練習模型
US5320529A (en) * 1992-09-09 1994-06-14 Howard C. Weitzman Method and apparatus for locating an ideal site for a dental implant and for the precise surgical placement of that implant
JPH11249548A (ja) * 1998-02-27 1999-09-17 Masayuki Koizumi デンタルインプラント埋入手術用顎模型
US20070178429A1 (en) * 2006-01-27 2007-08-02 Bell Fred A Dental Patient Models
JP2010085512A (ja) * 2008-09-30 2010-04-15 Terumo Corp 経皮手技シミュレータ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH064768U (ja) * 1992-05-13 1994-01-21 株式会社高研 注射採血輸液手技練習模型
US5320529A (en) * 1992-09-09 1994-06-14 Howard C. Weitzman Method and apparatus for locating an ideal site for a dental implant and for the precise surgical placement of that implant
JPH11249548A (ja) * 1998-02-27 1999-09-17 Masayuki Koizumi デンタルインプラント埋入手術用顎模型
US20070178429A1 (en) * 2006-01-27 2007-08-02 Bell Fred A Dental Patient Models
JP2010085512A (ja) * 2008-09-30 2010-04-15 Terumo Corp 経皮手技シミュレータ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019147062A1 (fr) * 2018-01-25 2019-08-01 오스템임플란트 주식회사 Ensemble de blocs osseux alvéolaires artificiels pour entraînement au forage d'implant

Also Published As

Publication number Publication date
JPWO2012008566A1 (ja) 2013-09-09

Similar Documents

Publication Publication Date Title
US10182893B2 (en) Denture and method of producing a denture
CN102084409A (zh) 练习牙齿治疗的方法和设备
JP2010142537A (ja) 歯科インプラント手術用のサージカルガイド
Leakey et al. New australopithecines from East Rudolf, Kenya
CN115398510A (zh) 用于实践牙外科学技术的颌模型、牙齿模型以及系统
US20120122065A1 (en) Periodontal training
CN105957421B (zh) 多功能口腔种植实习模型
KR20140008727A (ko) 치과교정용 브라켓 어셈블리
Kumar et al. An assessment of fracture resistance of three composite resin core build-up materials on three prefabricated non-metallic posts, cemented in endodontically treated teeth: an in vitro study
US20110091836A1 (en) Dental template
JPWO2011018851A1 (ja) ボーンキャリパー
WO2012008566A1 (fr) Modèle pour la dentisterie
US10912633B2 (en) Simulation method and system for an optimized implant site
JP2017176486A (ja) 連結人工歯列
JP2011002786A (ja) インプラント手術練習用の顎模型
JP3604648B2 (ja) 歯科模型
KR101312787B1 (ko) 임플란트용 드릴 인디케이터
JPH0527675A (ja) 歯科実習用シユミレーシヨン装置
CN203988446U (zh) 一种带按压结构的种牙导板
Rosen et al. The preservation of teeth with root-originated fractures
KR20190143108A (ko) 근관치료 실습용 치아모형, 상기 치아모형을 포함하는 구강모형 및 이를 포함하는 모듈
JP5252982B2 (ja) サージカルガイド、及びこれを使用したドリルの位置決め方法
JP6055101B2 (ja) 歯科用注射シミュレーション装置
CN215739566U (zh) 一种种植牙导板装置
CN111698963B (zh) 缺损牙齿补充型牙修复体

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11806896

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2012524605

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11806896

Country of ref document: EP

Kind code of ref document: A1