WO2023175593A1 - Simulateur anatomique dentaire polyvalent modulaire - Google Patents

Simulateur anatomique dentaire polyvalent modulaire Download PDF

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Publication number
WO2023175593A1
WO2023175593A1 PCT/IB2023/052675 IB2023052675W WO2023175593A1 WO 2023175593 A1 WO2023175593 A1 WO 2023175593A1 IB 2023052675 W IB2023052675 W IB 2023052675W WO 2023175593 A1 WO2023175593 A1 WO 2023175593A1
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WO
WIPO (PCT)
Prior art keywords
dental
teeth
dental arch
arches
alveolar
Prior art date
Application number
PCT/IB2023/052675
Other languages
English (en)
Spanish (es)
Inventor
Andrea Naranjo Salazar
David Alberto Calle Vasquez
Luis Fernando Velez Jaramillo
Original Assignee
Universidad Ces
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 Universidad Ces filed Critical Universidad Ces
Publication of WO2023175593A1 publication Critical patent/WO2023175593A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C11/00—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings
    • 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
    • A61C13/34—Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins [4]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • 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
    • 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
    • G09B23/30—Anatomical models
    • G09B23/34—Anatomical models with removable parts

Definitions

  • the present invention refers to a dental anatomical simulator for teaching and training in dental practice that consists of a modular multipurpose model that comprises alveolar dentition arches or dental arches that are interchangeable to provide different dentition prototypes and that includes dental pieces that allow simulating various dental problems present in patients.
  • the invention has application in the dental field, particularly in the manufacture of dental models for comprehensive learning techniques of clinical pictures, and practice of simple or complex dental preparations and restorations.
  • US20070178429A1 shows a model that has included a model head that includes a jaw opening, an insert model jaw and functional eyes.
  • the jaw insert includes teeth on which dental procedures can be performed.
  • the variation of the dental configuration is with the total change of the jaw or maxilla insert and not only of interchangeable arches, this total change of the model jaw insert must wait to be created in a couple of days and have a 3D printing equipment to create the jaw molds depending on the desired oral anatomy, which loses practicality due to the loss of time so that there is availability of models with which to practice real teething situations, where the practitioner has to carry out the entire process of an impression of the patient's mouth , having to carry out this process in advance every time you need to practice with a model.
  • document US7537455B2 discloses a teaching or demonstration model that includes removable parts, but this is not enough for those practices where the position of the teeth is required to have a crowding configuration, even when the teeth can be exchanged, the alveolar cavities remain in the same configuration, which prevents multipurpose development. Similar techniques are taught in document JP2008310276A where the positions of the alveolar cavities are defined and do not change their position to provide a dentition configuration with crowding, and does not include roots with iodine-type radiopaque material.
  • this objective is achieved with the fact that it comprises a plurality of varied dental arches that can be exchanged and combined efficiently and easily by attaching and detaching from the bases that simulate the mandible and maxilla, as well as including teeth that It has roots formed from iodine-type radiopaque material.
  • Figure 1 is an exploded view representing an exploded perspective view of the Modular Multipurpose Dental Anatomical Simulator with an example of interchangeable dental arches.
  • Figure 2 is a front and side view of a “T” shaped relief element that is part of a fixing mechanism.
  • Figure 3 is a rear view of the lower base 11 coupled with the “T”-shaped relief element.
  • Figure 4 illustrates the elements of the fixing mechanism.
  • Figure 5 shows an example of an interchangeable arch attached to the lower base 1 1.
  • Figure 6 is a perspective view of the first lower dental arch of deciduous teeth 32.
  • Figure 7 is a perspective view of the second lower dental arch of mixed dentition 34.
  • Figure 8a is a left lateral view of the upper third dental arch of permanent teeth with 35 crowding.
  • Figure 8b is a front view of the upper third dental arch of permanent teeth with crowding 35.
  • Figure 8c is a right lateral view of the upper third dental arch of permanent teeth with 35 crowding.
  • Figure 8d is a bottom view of the upper third dental arch of permanent teeth with 35 crowding.
  • Figure 9 is a front and side view of the upper fifth dental arch of permanent dentition 39.
  • Figure 10 is a front and side view of the upper fifth dental arch of permanent dentition 39 showing the alveolar groove 53.
  • Figure 1 1 is an image of the retaining element 55 that fits into the rear hole 12 and passes through the honeycomb groove 53.
  • Figure 12 shows the extraction or ejector element 56 that is inserted into the holes 51 to remove or decouple each of the dental pieces 60, 60a inserted into the cavities 50 from the dental arches.
  • Figure 13 shows the opening 41 in the anterior portions of the interchangeable arches in an engaged position.
  • Figure 14 shows the opening 41 in the anterior portions of the interchangeable arches in a removable position.
  • Figure 15a shows an example of a crown 61 comprising bonded material that simulates dental calculus or tartar.
  • Figure 15b shows an example of a crown 61 comprising bonded material that simulates dental calculus or tartar, and a cavity filled with a material that simulates the consistency of dental caries.
  • Figure 15c shows an example of a crown 61 with loss of dental structure or tooth fractures.
  • Figure 16 illustrates a tooth 60 where it is shown that the root 62 includes a cavity inside that simulates the root canals 63 of the dental nerve.
  • the present invention relates to an apparatus that represents a modular dental anatomical model 100 for the teaching and practice of dentistry.
  • Figure 1 shows an exploded view that represents an exploded perspective view of the Modular Multipurpose Dental Anatomical Simulator with a set of five interchangeable dental arches.
  • each of the set of dental arches includes features to simulate different dentitions, that is, each arch is designed to simulate different clinical cases, with different degrees of difficulty, for example, for deciduous teeth, commonly known as baby teeth.
  • dentition of permanent teeth, mixed dentition, crowding of permanent teeth, crowding of deciduous teeth, as well as interchangeable teeth that comprise crowns have different configurations to simulate cavities, fractures or adhered material, and roots that include gaps that simulate the cavity of the dental nerve.
  • the multipurpose modular dental anatomical model 100 comprises an upper base 10 and a lower base 1 1 that simulate the human maxilla and the human mandible, respectively, the base comprises a posterior hole 12 to enter a retention element 55, in addition the lower base 1 1 comprises a “T”-shaped relief of Figure 2 that includes a metal plate, as well as a fixation mechanism that is adapted to be mounted on a suitable support structure, such as a table or a dental semi-adjustable articulator as illustrated in Figure 3; A plurality of interchangeable dental arches manufactured with additive 3D printing resin technology.
  • each arch can be mechanically and removably coupled to the lower and upper bases, each arch having openings configured for the mechanical coupling of interchangeable dental pieces, said dental pieces comprising crowns that adhere to roots; and an upper and lower gum matrix made, in a primary embodiment, of polyurethane that simulates the gum and gingival tissue, however, the matrix may be made of another material that has the physical properties to correspond to the anatomy of the mouth and aspects related to a human being in order to perform practices such as suturing and oral surgery;
  • the gum matrices 20, 21 comprise perforations that coincide with the cavities of the arches such that the free passage of the root of the tooth within the cavity 50 is allowed.
  • Each of the plurality of interchangeable dental arches is designed to simulate different positions of the teeth, as well as for permanent teeth and deciduous teeth, for example, for deciduous dentition, permanent dentition, mixed dentition, crowding of permanent teeth, crowding of deciduous teeth, so that the change of dental arch is allowed according to its use and according to the degree of complexity required, as well as the combination of dental arches in the dental anatomical model.
  • Figure 6 shows a first upper dental arch of deciduous teeth 31 and a first lower dental arch of deciduous teeth 32, which comprise an opening 41 (as illustrated in Figure 13) in its anterior portion so that the first upper dental arch of deciduous teeth 31 can be removably attached to the upper base 10, while the first lower dental arch of deciduous teeth 32 can be removably attached by means of mechanical retention to the lower base 1 1.
  • the dental arches are printed in 3D printing resin, however, use can be made of materials that simulate the tissues and hardness of the parts of the oral cavity.
  • the first upper dental arch of deciduous teeth 31 and the first lower dental arch of deciduous teeth 32 comprise at least ten hollow cavities 50 designed to receive each of the respective teeth or teeth 60.
  • the ten cavities that are found in the first dental arch lower deciduous teeth 32 as well as in the first upper dental arch of deciduous teeth 31, are configured in such a way that six anterior teeth each with a simple root 62a and four teeth each with two divergent roots 62b can be arranged.
  • Figure 7 shows a second upper dental arch of mixed dentition 33 and a second lower dental arch of mixed dentition 34, which are 3D printed and comprise an opening 41 (as illustrated in Figure 14) in its anterior portion so that the second upper dental arch of mixed dentition 33 can be removably attached to the upper base 10 and the second lower dental arch of mixed dentition 34 can be removably attached by means of mechanical retention to the lower base 1 1.
  • These mixed dentition dental arches comprise ten hollow cavities designed to receive the respective dental structures.
  • Each dental arch comprises four anterior teeth each with a simple simulated root and two anterior teeth of deciduous dentition each with a simple simulated root and four posterior teeth of deciduous molars each with four divergent simulated roots.
  • the lower dental arch comprises six anterior teeth each with a simple root 62a and four posterior teeth each with two divergent roots 62b, which generate mechanical retention to the base of the simulator.
  • Figures 8a, 8b, 8c and 8d illustrate a third upper dental arch of permanent teeth with crowding 35 and a third lower dental arch of permanent teeth with crowding 36, which are 3D printed and where the third upper dental arch of teeth permanent teeth with crowding 35 is removably attached to the upper base 10 and the third lower dental arch of permanent teeth with crowding 36 is removably attached to the lower base 1 1 by means of mechanical retention.
  • These dental arches of permanent teeth with crowding comprise ten hollow cavities designed to receive the respective dental structures in a disorganized position, allowing different positions of the teeth to be simulated.
  • a fourth upper dental arch of deciduous teeth with crowding 37 and a fourth lower dental arch of deciduous teeth with crowding 38 which are 3D printed, the fourth upper dental arch of deciduous teeth with crowding? It is coupled to the upper base 10 while the fourth lower dental arch of deciduous teeth with crowding 38 is removably coupled to the lower base 1 1, said couplings being carried out by means of mechanical retention.
  • These dental arches of deciduous teeth with crowding comprise ten hollow cavities designed to receive the respective teeth in a disorganized position, allowing different positions of the teeth to be simulated.
  • FIG 9 shows a fifth upper dental arch for permanent dentition39 and a fifth lower dental arch for permanent dentition 40, which are manufactured with additive composite technology with 3D printing resin, each dental arch for permanent dentition comprises fourteen cavities, for a total of 28 cavities that precisely house twenty-eight teeth in both fifth dental arches.
  • These dental arches for permanent dentition additionally comprise two cavities 50a in their posterior area for housing two wisdom teeth 60a, also known as third molars, in each fifth dental arch giving a total of four wisdom teeth, said wisdom teeth 60a are located in different positions to simulate human anatomy, as well as its pathologies.
  • Each of the plurality of dental arches is designed and configured so that the change and combination of dental arch is allowed according to the need of the practitioner.
  • the retention element55 When removal of the tooth is necessary, the retention element55 must be removed from the back and thus free the tooth. This retention generated by the retention element is necessary to allow working on the teeth without movement and allows the tooth to be held in the cavity 50 and to perform dental procedures that generate forces to the tooth, keeping the tooth in its position and performing the procedure appropriately.
  • the mechanical retention for fastening the dental arches with the upper and lower bases comprises fastening or retention elements 55 to provide excellent fixation, retention and stability of the dental arches to be fastened or attached.
  • the fastening or retention elements 55 consists of a “nylon” type device (shown in Figure 1 1) with a rear adapter which fits in the rear hole 12 and passes through all the slots of the arches 53 and the simulated slot 64 in the root 62 of each tooth 60.
  • the upper dental arches (31, 33, 35, 37, 39) can be combined with the lower dental arches (32, 34, 36, 38, 40) so that a greater number of combinations, thus providing the user with practice for multiple purposes without changing the dental model, but only exchanging the arches and a different modular dental model will be obtained with each combination.
  • the cavities 50 present in each of the plurality of dental arches comprise holes 51 that extend through the dental arches to allow each of the dental pieces 60, 60a to be removed or disengaged using an extraction element 56 (shown in Figure 12), making it easy to push the tooth 60 out of the cavity 50.
  • the coupling of the roots 62 of the dental pieces 60, 60a inside the respective alveolar cavity 50 is carried out by inserting the root 62a, 62b under pressure in cavity 50.
  • Each tooth is pressure-fitted into the hollow cavities located in the dental arches.
  • the teeth consist of two main portions, made of different materials in order to more faithfully simulate the reality of a tooth: a crown 61 composed of melanin in order to simulate the hardness of the tooth enamel; and a root 62 made of 3D printing resin to simulate the hardness of dentin, which is lower than the hardness of enamel.
  • the hardness of the material must have a range given that, if it is too soft, a good cut of the tooth will not be obtained and if it is too hard, cracking occurs more easily or the desired cut simply cannot be made.
  • the crowns 61 of each tooth are made of melamine (ivorina®) by a plastic injection process and provide characteristics similar in hardness to those found in enamel.
  • the crowns 61 are modeled in such a way that they comprise adhered material that simulates dental calculus or tartar, for example Figure 15a, which allows scaling and/or root planing procedures to be performed.
  • the crowns 61 are modeled to have cavities on different surfaces and at different depths that are filled with a material that simulates the consistency of dental caries, thus achieving the realization of caries removal, planning of cavities and their filling.
  • the crowns 61 are modeled so that they contain gaps that simulate the loss of tooth structure or dental fractures, which allows the reconstruction of the tooth tissue, with multiple restorative materials (FIGURE 15).
  • the crowns 61 in turn are attached to the roots 62, said roots 62 can be simple roots 62a or divergent roots 62b, both are made by means of additive technology manufacturing composed of 3D printing resin allowing the hardness of dentin to be simulated. and designed with a cavity inside that simulates the root canals 63 of the dental nerve, allowing practices such as endodontics and radiological techniques to be carried out.
  • These root canals 63 in Figure 16 resemble human dental canals, so multiple degrees of complexity of endodontic treatment can be simulated.
  • the roots 62 comprise a slot 64 in their buccal position, which coincides with the alveolar cavity 50 to allow the passage of a retention element and be able to fix the tooth 60 to the cavity 50.
  • the roots in addition, comprise a post-process with 3D printing resin in a mixture of iodine-type radiopaque material, the material is radiopaque enough to be detected against backgrounds of other adjacent materials in the x-rays and thus the roots can be distinguished for evaluation. which allows radiographically delimiting the radicular portion (root) of the alveolar portion (crown), since the radiopaque material prevents the passage of X-rays to a radiographic film, which can be visualized on the radiograph as a white area.
  • the radiopacity that the teeth have within the model allows users to carry out radiography practices and differentiate the different parts that make up the teeth, the filling material of the canals, in endodontics or, on the other hand, the restorative material used in dental procedures allowing the user to evaluate the dental procedure they are performing.
  • the present invention has solved the conventional problems of this type of dental training models.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
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  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
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  • Chemical & Material Sciences (AREA)
  • Algebra (AREA)
  • Computational Mathematics (AREA)
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  • Business, Economics & Management (AREA)
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Abstract

La présente invention concerne un modèle didactique conçu pour enseigner différentes spécialités de l'odontologie, constituant un simulateur dentaire unique composé d'arcs dentaires qui peuvent être interchangés pour se conformer aux pratiques de formation de l'éducation odontologique. Le modèle de simulateur dentaire a comme composant principal un ensemble d'arcs dentaires interchangeables, chaque arc dentaire étant conçu pour simuler diverses dentitions du groupe comprenant: la dentition avec des dents de lait, la dentition avec des dents permanentes, la dentition mixte, la compression de dents permanentes, la compression de dents de lait. De plus, le modèle dentaire inclut une base supérieure et une base inférieure, qui simulent le maxillaire et la mandibule humaine, sur lesquelles s'accouplent par pression les arcs dentaires interchangeables. Les arcs dentaires interchangeables comprennent des pièces dentaires (dents), lesquelles pièces dentaires comportent des couronnes réalisées en mélamine, lesdites couronnes ayant différentes configurations pour simuler des caries, des fractures ou de la matière adhérée, les couronnes se collant aux racines produites par fabrication additive et un post-traitement avec de la résine d'impression 3D et de la matière radio-opaque de type iodé pour qu'elles soient visibles sur des radiographies, lesdites racines comportant des creux qui simulent la cavité du nerf dentaire.
PCT/IB2023/052675 2022-03-18 2023-03-18 Simulateur anatomique dentaire polyvalent modulaire WO2023175593A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CONC2022/0003147 2022-03-18
CONC2022/0003147A CO2022003147A1 (es) 2022-03-18 2022-03-18 Simulador anatómico dental multipropósito modular

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WO2023175593A1 true WO2023175593A1 (fr) 2023-09-21

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2750670A (en) * 1952-10-13 1956-06-19 Vigg John Dental model
US20080254422A1 (en) * 2007-04-10 2008-10-16 Lee Charles Q Dental articulator with endodontic module
US20100196864A1 (en) * 2001-05-03 2010-08-05 Lee Charles Q Dental training device
CN203351115U (zh) * 2013-07-24 2013-12-18 浙江工业大学 一种牙周与种植多功能训练模型
US20140220528A1 (en) * 2012-03-15 2014-08-07 Vincent C. Francavilla Training kit for dentists and oral surgeons
CN204143741U (zh) * 2014-09-13 2015-02-04 杭州六维齿科医疗技术有限公司 可更换骨块的拔牙模型
US20160365008A1 (en) * 2015-06-09 2016-12-15 Charles Q. Lee Dental training device
JP2020204753A (ja) * 2019-06-18 2020-12-24 陽子 高岩 歯ならびモデル−乳歯モデル・永久歯モデル−
US20210282897A1 (en) * 2017-04-21 2021-09-16 Carbon, Inc. Dental model and die assembly and method of making the same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2750670A (en) * 1952-10-13 1956-06-19 Vigg John Dental model
US20100196864A1 (en) * 2001-05-03 2010-08-05 Lee Charles Q Dental training device
US20080254422A1 (en) * 2007-04-10 2008-10-16 Lee Charles Q Dental articulator with endodontic module
US20140220528A1 (en) * 2012-03-15 2014-08-07 Vincent C. Francavilla Training kit for dentists and oral surgeons
CN203351115U (zh) * 2013-07-24 2013-12-18 浙江工业大学 一种牙周与种植多功能训练模型
CN204143741U (zh) * 2014-09-13 2015-02-04 杭州六维齿科医疗技术有限公司 可更换骨块的拔牙模型
US20160365008A1 (en) * 2015-06-09 2016-12-15 Charles Q. Lee Dental training device
US20210282897A1 (en) * 2017-04-21 2021-09-16 Carbon, Inc. Dental model and die assembly and method of making the same
JP2020204753A (ja) * 2019-06-18 2020-12-24 陽子 高岩 歯ならびモデル−乳歯モデル・永久歯モデル−

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