WO2018137182A1 - Dent artificielle, et procédé et dispositif de fabrication de dent artificielle - Google Patents

Dent artificielle, et procédé et dispositif de fabrication de dent artificielle Download PDF

Info

Publication number
WO2018137182A1
WO2018137182A1 PCT/CN2017/072645 CN2017072645W WO2018137182A1 WO 2018137182 A1 WO2018137182 A1 WO 2018137182A1 CN 2017072645 W CN2017072645 W CN 2017072645W WO 2018137182 A1 WO2018137182 A1 WO 2018137182A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
denture
alloy
functional wear
stress relaxation
Prior art date
Application number
PCT/CN2017/072645
Other languages
English (en)
Chinese (zh)
Other versions
WO2018137182A8 (fr
Inventor
孙玉春
周永胜
王勇
陈科龙
戴宁
李榕
叶红强
陈虎
Original Assignee
北京大学口腔医院
北京实诺泰克科技有限公司
南京航空航天大学
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 北京大学口腔医院, 北京实诺泰克科技有限公司, 南京航空航天大学 filed Critical 北京大学口腔医院
Priority to CN201780000102.5A priority Critical patent/CN109561952B/zh
Priority to PCT/CN2017/072645 priority patent/WO2018137182A1/fr
Publication of WO2018137182A1 publication Critical patent/WO2018137182A1/fr
Publication of WO2018137182A8 publication Critical patent/WO2018137182A8/fr

Links

Images

Classifications

    • 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
    • A61C13/08—Artificial teeth; Making same
    • A61C13/09—Composite teeth, e.g. front and back section; Multilayer teeth

Definitions

  • the invention relates to the field of stomatology, in particular to a method and a device for manufacturing dentures and dentures.
  • the upper and lower jaw teeth When chewing, the upper and lower jaw teeth will form a pair of special wear pairs, namely the tooth wear pair. Under the control of the central nervous system, it is powered by chewing muscles. For the procedure, the chewing cycle (average 900-1000 times/meal) is repeated throughout the process to complete the complex chewing function.
  • the contact modes of the upper and lower jaw teeth are mainly friction and collision.
  • the corresponding wear types are abrasive wear and fatigue wear. The two wear modes alternately occur, coupling and strengthening each other.
  • the three-dimensional imaging technique was used to measure the amount of wear of the enamel in the oral cavity, and it was found that the enamel was worn at an average speed of 20-48 ⁇ m/year.
  • dentures After the loss of human natural teeth, dentures need to be repaired. Common dentures are divided into two categories: fixed and active. Fixed dentures (including fixed dentures) have a positive effect, and are favored by both doctors and patients. They account for 50%-80% of the total dentures. It is conservatively estimated that China's annual demand exceeds 2000. Ten thousand pieces. For the self and the jaw teeth, the hardness of the denture determines the fatigue wear performance. The wear resistance of the denture determines the abrasive wear performance. The customization and regulation of hardness and wear resistance are the key to realize the "physiological wear" performance of the denture. The ideal denture should have similar wear characteristics to natural tooth enamel, and can be worn at the same time as the natural tooth enamel of the jaw.
  • the raw materials for fixed dentures are mainly metals, resins and ceramics.
  • the metal materials the hardness of the gold alloy and the titanium alloy is moderate, and the abrasion resistance to the natural teeth is relatively small, but the "golden, silver" of the metal material is difficult for people to accept.
  • the multi-layer denture manufacturing technology including porcelain technology has obviously improved the defects of the aesthetic effect of pure metal materials, but the outer porcelain surface layers such as silicate, feldspar and lithium disilicate are easily broken during long-term repeated chewing.
  • a denture comprising: a functional wear layer on the surface layer; and a stress relaxation layer of the porous structure below the functional wear layer.
  • the stress relaxation layer is a porous ceramic, metal or high strength polymer material.
  • the functional wear layer is a composite resin, a composite polyetheretherketone, a glass ceramic, a gold alloy, a titanium alloy or a soft cobalt chromium alloy material.
  • the thickness, hardness and/or wear resistance of the stress relieving layer is comparable to the thickness, hardness and/or wear resistance of natural dentin.
  • the thickness, hardness and/or wear resistance of the functional wear layer is comparable to the thickness, hardness and/or wear resistance of the natural tooth enamel layer.
  • the porous structure of the stress relaxation layer is filled with a fluid resin, a low melting point, low hardness alloy and/or a glass ceramic material.
  • the stress relieving layer is a three-dimensionally-transparent three-dimensionally intersecting trabecular beam-like, dendritic and/or three-dimensional gradient structure with stress interruption function.
  • the method further comprises: a substrate support layer on the bottom layer of the denture, which is made of zirconia, gold alloy, titanium alloy, cobalt chromium alloy or composite polyetheretherketone.
  • the portion of the stress relaxation layer that is in contact with the substrate support layer is gradually increased in density toward the substrate support layer, and the substrate support layer is a solid dense structure.
  • the non-occlusal area of the denture is a dense ceramic, a high-strength molecular material or a metal material.
  • the denture further comprises: a layer of gums located below the side of the denture, the color of the gum layer being comparable to the color of the gum of the patient.
  • the denture comprises a plurality of colors, the color of the denture being comparable to the color of the patient's natural teeth.
  • the denture is an integrally formed structure of metal, composite polyetheretherketone or elastic ceramic material.
  • the denture surface function wear layer of such a denture includes a stress relaxation layer of a porous structure, which can be broken and compressed as the patient chews, and the functional abrasion layer is deformed, so that the shape of the denture is more in line with the patient's chew as the patient uses it.
  • Demand while avoiding the trauma of the jaw teeth caused by excessive dentures during long-term use, Trauma and temporomandibular joint disorders, etc., optimize long-term use.
  • a method for manufacturing a denture includes: printing a base support layer at the bottom of the denture using a three-dimensional printing device according to the three-dimensional data of the denture; and printing a stress relaxation layer of the porous structure on the base support layer according to the three-dimensional data of the denture A functional wear layer on the surface of the denture occlusal surface is created above the stress relieving layer.
  • the method further comprises: performing a heat treatment operation after completing the printing stress relaxation layer; injecting the resin, the low melting point low hardness alloy and/or the glass ceramic into the stress relaxation layer of the porous structure; generating the denture above the stress relaxation layer
  • the functional wear layer of the occlusal surface includes a functional wear layer formed over the stress relaxation layer comprising a resin, a low melting point low hardness alloy, and/or a glass ceramic.
  • the method further comprises: after the heat treatment operation is completed, treating the stress relaxation layer with a surface tension treatment agent to improve the surface wettability of the stress relaxation layer; and injecting the resin, the low melting point low hardness alloy and/or the glass ceramic into the porous structure.
  • the stress relieving layer includes: injecting a resin, a low melting point low hardness alloy and/or a glass ceramic into the stress relieving layer treated by the surface tension treating agent.
  • generating a functional wear layer on the surface of the denture occlusal surface above the stress relieving layer comprises: printing a functional wear layer according to the denture three-dimensional data above the stress relieving layer.
  • generating a functional wear layer on the surface of the denture occlusal surface above the stress relaxation layer comprises: covering the material of the functional wear layer above the stress relaxation layer; and cutting the material of the functional wear layer according to the three-dimensional data of the denture to generate a functional wear layer .
  • the substrate support layer is made of zirconia, gold alloy, titanium alloy, cobalt chromium alloy or composite polyether ether ketone.
  • the stress relaxation layer is a porous ceramic, metal or high-strength polymer material.
  • the functional wear layer is a composite resin, a composite polyetheretherketone, a glass ceramic, a gold alloy, a titanium alloy or Soft cobalt chrome alloy.
  • a denture comprising a stress relieving layer of a porous structure, so that the denture requirement of the patient is more conformed during use of the denture, and at the same time, the tooth wound of the jaw is caused during long-term use due to excessive denture. Trauma and temporomandibular joint disorders, etc., optimize long-term use.
  • a denture making system comprising: a three-dimensional printer for printing a base support layer at the bottom of the denture according to the three-dimensional data of the denture; and printing the porous structure on the base support layer according to the three-dimensional data of the denture a stress relieving layer; a functional wear layer generating device for generating a functional wear layer on the surface of the denture occlusal surface above the stress relieving layer.
  • the method further includes: a heat treatment device for performing a heat treatment operation after the three-dimensional printer completes the printing stress relaxation layer; and an injecting device for injecting the resin, the low melting point low hardness alloy and/or the glass ceramic into the porous structure In the relaxation layer; the functional wear layer generating device is for generating a functional wear layer above the stress relaxation layer comprising a resin, a low melting point low hardness alloy and/or a glass ceramic.
  • the method further includes: a surface tension processing device, configured to: after the heat treatment device completes the heat treatment operation, the surface relaxation agent is used to treat the stress relaxation layer to improve the surface wettability of the stress relaxation layer; and the injection device is used for the surface tension treatment. After the surface tension treatment of the device is completed, the resin, the low melting point low hardness alloy and/or the glass ceramic are injected into the stress relaxation layer treated by the surface tension treatment agent.
  • a surface tension processing device configured to: after the heat treatment device completes the heat treatment operation, the surface relaxation agent is used to treat the stress relaxation layer to improve the surface wettability of the stress relaxation layer; and the injection device is used for the surface tension treatment.
  • the resin, the low melting point low hardness alloy and/or the glass ceramic are injected into the stress relaxation layer treated by the surface tension treatment agent.
  • the functional wear layer generating device is a three-dimensional printer for printing a functional wear layer according to the denture three-dimensional data above the stress relieving layer.
  • the functional wear device comprises: a material covering device for covering the material of the functional wear layer above the stress relaxation layer; and a numerical control cutting device for cutting the material of the functional wear layer according to the three-dimensional data of the denture to generate a functional wear layer .
  • Such a denture making system is capable of manufacturing a denture comprising a stress-relieving layer of a porous structure, so that the denture requirement of the patient is more conformed during use of the denture, and the tooth wound of the jaw during long-term use is avoided due to excessive denture. Trauma and temporomandibular joint disorders, etc., optimize long-term use.
  • FIG. 1 is a cross-sectional view of one embodiment of a denture of the present invention.
  • FIG. 2 is a cross-sectional view of a denture in the prior art.
  • Fig. 3 is a schematic view showing one embodiment of the porous structure of the stress relaxation layer of the denture of the present invention.
  • FIG. 4 is a cross-sectional view of another embodiment of a denture of the present invention.
  • Figure 5 is a flow chart of one embodiment of a method of making a denture of the present invention.
  • Figure 6 is a flow chart of another embodiment of a method of making a denture of the present invention.
  • Figure 7 is a schematic illustration of one embodiment of a denture making device of the present invention.
  • Fig. 8 is a schematic view showing another embodiment of the denture preparation device of the present invention.
  • Fig. 9 is a schematic view showing still another embodiment of the denture preparation device of the present invention.
  • FIG. 1 A cross-sectional view of one embodiment of the denture of the present invention is shown in FIG.
  • the functional wear layer 1 is located on the surface layer of the denture occlusal surface, and has a dense structure
  • the stress relaxation layer 2 is located below the functional wear layer, as indicated by the oblique line, and has a porous structure.
  • FIG. 1 A cross-sectional view of a denture in the prior art is shown in FIG.
  • the upper structure 5 of the denture is a solid structure
  • the base 6 is embedded in the upper structure 5
  • the lower part can be connected to the implant. Since the superstructure 5 has a large hardness and a solid structure, there is no space for deformation, so that when the patient is strongly engaged, the jaw teeth are easily damaged.
  • the occlusal surface function wear layer of the denture includes a stress relaxation layer of a porous structure, which can realize adaptive adjustment of the surface hardness of the denture, and the functional wear layer is deformed as the patient chews and compresses, and thus With the use of the patient, the shape of the denture is more in line with the patient's chewing needs, while avoiding the trauma of the jaw teeth during long-term use due to the denture being too hard. Trauma and temporomandibular joint disorders, etc., optimize long-term use.
  • the porous structure of the stress relaxation layer of the denture of the present invention may be trabecular-like, or dendritic, or other structures that can achieve stress discontinuation, or a mixture of structures.
  • a structure has a certain force-carrying ability, and can ensure no deformation during normal chewing; at the same time, it is more easily broken than a solid structure, and can be broken during the patient's vigorous occlusion, and the denture occlusal surface is deformed, and on the one hand, self can be realized.
  • Adapting to the adjustment makes the denture more in line with the user's needs, on the other hand, it can prevent damage to the jaw teeth and improve the user experience.
  • the thickness, hardness, and wear resistance of the stress relieving layer are respectively comparable to the thickness, hardness, and wear resistance of the natural dentin; the thickness, hardness, and wear resistance of the functional wear layer are respectively associated with the natural tooth enamel layer The thickness, hardness and wear resistance are equivalent.
  • the functional wear layer may be made of a composite resin, a composite polyetheretherketone, a glass ceramic, a gold alloy, a titanium alloy, or a soft cobalt-chromium alloy material equivalent to the hardness and wear resistance of the natural tooth enamel layer;
  • the porous structure of the stress relaxation layer can be made of a ceramic, a high-strength polymer (such as a composite polyetheretherketone) or a metal material equivalent to the hardness and wear resistance of natural dentin.
  • Such dentures ensure simultaneous wear and tear with the natural teeth of the jaw, improve the realism of the denture bionics, and can be adaptively adjusted during the use of the patient to improve the service life of the denture and the user experience of the patient.
  • the porous structure of the stress relaxation layer may be filled with a filler, and the filler may be one or more of a high flow resin, a low melting point low hardness alloy, and a glass ceramic material such as a bismuth glass.
  • the filler may be one or more of a high flow resin, a low melting point low hardness alloy, and a glass ceramic material such as a bismuth glass.
  • the denture may further comprise a substrate support layer 3 made of zirconia, gold alloy, titanium alloy, cobalt chromium alloy or composite polyetheretherketone.
  • the base support layer 3 is connected to the stress relieving layer 2, and both may be integrally formed.
  • the denture has a bracket connected with the stress relieving layer, can carry the whole denture, and is convenient for connection with the implant, and facilitates denture planting; the integrally formed structure can ensure the rigidity of the denture and prevent the dislocation of the stress relieving layer and the base bracket layer. .
  • the density of the portion of the stress relaxation layer 2 connected to the substrate support layer 3 varies in a gradient.
  • the density is gradually increased in the direction toward the substrate holder layer 3, and the substrate holder layer 3 is a solid dense structure.
  • Such an internal structure can act as a buffer to prevent damage to the patient's root, implant and surrounding alveolar bone during vigorous occlusion, improve the service life of the denture, and protect the soft and hard tissues of the oral cavity.
  • the functional wear layer 1 has a porous structure, or a partial region of the functional wear layer 1 has a porous structure, or a partially porous structure is interspersed in the dense structure of the functional wear layer 1, thereby improving the resistance of the functional wear layer. Fracturing ability to improve the service life of dentures.
  • the specific structure and filler of the porous structure may be any of those mentioned above.
  • the denture further includes a non-biting zone 4, which is a dense ceramic, a high-strength molecular material or a metal material, and the non-bite region of the high-strength dense structure can resist the fracture energy of the denture during long-term service.
  • a non-biting zone 4 which is a dense ceramic, a high-strength molecular material or a metal material, and the non-bite region of the high-strength dense structure can resist the fracture energy of the denture during long-term service.
  • the non-biting region 4 and the substrate support layer 3 may be an integrated structure, and the same material is integrally formed, thereby reducing the complexity of product fabrication and preventing misalignment between the non-bite region and the substrate support layer. To further improve the firmness of the denture.
  • the internal porous scaffold and the resin composite structure in the new occlusal contact area can repeat the process of protective fracture of the porous scaffold, thereby realizing the hardness and wear resistance of the fixed denture and the individual pair.
  • the dynamic adaptive matching of the natural tooth of the jaw, the surface of the denture can be synchronized with the target of physiological wear of the natural tooth enamel.
  • Dentures can be made of metal, composite polyetheretherketone or elastic ceramics and are integrally formed.
  • the surface of the denture occlusal surface is a functional wear layer
  • the middle layer is a stress relaxation layer of a porous structure
  • the lower layer is a base support layer.
  • Such a denture can be integrally formed, which improves manufacturing efficiency and reduces manufacturing costs.
  • the color of the denture in order to improve the aesthetics of the denture, can be configured with reference to the shape of the natural tooth of the human body. Due to the different color of the different positions of the natural teeth, different colors can be assigned to different positions of the denture in a layered manner, as close as possible to the color of the natural teeth.
  • the denture may also include a gingival layer that fills the missing gum portion of the patient, the color of which is comparable to the patient's own gum color, as some patients may experience partial gingival loss.
  • the dentures are rich in color and gradual. They are the same color as natural teeth, which makes it difficult for others to distinguish between natural teeth and dentures, improve the aesthetics and improve the user experience.
  • the gingival layer can fill the missing gums of the patient and further improve the appearance. Degrees, improve user experience, and make it easier to promote applications.
  • FIG. 1 A flow chart of one embodiment of the denture manufacturing method of the present invention is shown in FIG.
  • the base support layer at the bottom of the denture is printed using a three-dimensional printing device based on the denture three-dimensional data.
  • the substrate support layer can be a zirconia, gold alloy, titanium alloy, cobalt chrome alloy, or composite polyetheretherketone material.
  • a stress relieving layer of the porous structure is printed over the substrate support layer based on the denture three-dimensional data.
  • the stress relieving layer may be a porous ceramic, metal or high strength polymer such as a composite polyetheretherketone.
  • a functional wear layer on the surface of the denture occlusal surface is created over the stress relieving layer.
  • the functional wear layer may be a composite resin, a composite polyetheretherketone, a glass ceramic, a gold alloy or a titanium alloy material or a soft cobalt chromium alloy material.
  • the integrally formed printing can be performed by using metal, composite polyetheretherketone or elastic ceramic material, and the overall denture is printed according to the three-dimensional data of the denture, thereby improving the manufacturing efficiency and reducing the manufacturing cost.
  • FIG. 1 A flow chart of another embodiment of the denture manufacturing method of the present invention is shown in FIG.
  • step 601 the base support layer at the bottom of the denture is printed using a three-dimensional printing device based on the denture three-dimensional data.
  • step 602 a stress relaxation layer of the porous structure is printed over the substrate support layer based on the denture three-dimensional data.
  • step 603 a heat treatment operation is performed to fix the shape of the base support layer and the stress relaxation layer and to make the connection more stable.
  • step 604 one or more of a high flow resin, a low melting point low hardness alloy, and a glass ceramic material are injected or filled into the porous structure of the stress relaxation layer.
  • the injected material can be compacted above to ensure a tight fill.
  • the porous structural support of the stress buffer layer may be treated with a surface tension treatment agent to improve the surface wettability of the stress relaxation layer.
  • a functional wear layer on the surface of the denture occlusal surface is created over the stress relieving layer.
  • the three-dimensional coordinates of the denture can be aligned to the three-dimensional coordinates of the previous stress relief layer, and the functional wear layer is printed on top.
  • stress relief can also be used The material of the functional wear layer is covered above the layer, and the material of the functional wear layer is cut by a numerically controlled machine tool or a manual cutting method according to the three-dimensional data of the denture to generate a functional wear layer, thereby reducing the requirement for the material that can be printed by the three-dimensional printer.
  • the three-dimensional printer 701 can print the base supporting layer located at the bottom of the denture according to the three-dimensional data of the denture; and print the stress relieving layer of the porous structure on the base supporting layer according to the three-dimensional data of the denture.
  • the substrate support layer may be a zirconia, a gold alloy, a titanium alloy, a cobalt chrome alloy, or a composite polyetheretherketone material; in one embodiment, the stress relaxation layer may be a porous ceramic or metal material.
  • the functional wear layer generating device 702 is capable of generating a functional wear layer on the surface of the denture occlusal surface above the stress relieving layer.
  • the functional wear layer may be a composite resin, a composite polyetheretherketone, a gold alloy or a titanium alloy material or a soft cobalt chromium alloy material.
  • Such a system is capable of manufacturing a denture with a viscous layer comprising a porous structure of the stress relieving layer, so that the denture requirement of the patient is more conformed during use of the denture, and at the same time, the tooth wound of the jaw is caused during long-term use due to excessive denture. Trauma and temporomandibular joint disorders, etc., optimize long-term use.
  • the functional wear layer generating device 702 can be a three-dimensional printer, and the three-dimensional printer can continuously print the substrate supporting layer, the stress relieving layer and the functional wear layer by using materials such as metal, composite polyetheretherketone or elastic ceramic material.
  • the aspect improves the stability of the connection between the layers, and on the other hand, improves the manufacturing efficiency and reduces the manufacturing cost.
  • the denture making device also includes a heat treatment device 803 and an injection device 804.
  • the heat treatment apparatus 803 can perform a heat treatment operation after the three-dimensional printer 801 prints the stress relaxation layer, and fixes the shape of the base support layer and the stress relaxation layer and the connection is more stable.
  • the injection device 804 can inject or fill one or more of a high flow resin, a low melting point low hardness alloy, and a glass ceramic material into the porous structure of the stress relaxation layer.
  • Such a device can inject a filler into the porous structure of the stress relaxation layer after the heat treatment operation, thereby preventing the filler from being damaged during the heat treatment, and at the same time ensuring that the support portion can be maintained under a support under the support of the filler after being broken. , position, the frame after the force is broken, the inorganic wear-resistant seasoning of the filler such as resin, The individualized adjustment of the wear resistance is achieved by the quantitative setting of the size and distribution density of the fractured micro-units, and excessive deformation is avoided.
  • the denture preparation device further includes a surface tension processing device 905 capable of treating the porous structural support of the stress buffer layer with a surface tension treatment agent to improve surface wettability of the stress relaxation layer.
  • Such a denture making device can facilitate the injection device to inject the filler into the stress relieving layer to ensure tight filling, thereby ensuring that the supporting portion can maintain a certain shape and position under the support of the filler after being broken, thereby avoiding excessive occurrence of the denture occlusal surface. deformation.
  • the functional wear layer generating device may be a three-dimensional printer, and after completing the injecting operation, the three-dimensional coordinates of the denture may be aligned with the three-dimensional coordinates of the previous stress relief layer, and then the functional wear layer may be printed thereon.
  • the functional wear layer generating apparatus may include a material covering device and a numerically controlled cutting device, wherein the material covering device is capable of covering the material of the functional wear layer above the stress relieving layer; the numerical control cutting device is capable of functioning according to the denture three-dimensional data The material of the wear layer is cut to create a functional wear layer, thereby reducing the requirements on the materials that the 3D printer can print.
  • CNC cutting equipment can be CNC machine tools.
  • occlusion is also referred to as the static contact relationship between the upper and lower dentitions; occlusion refers to the dynamic contact relationship between the upper and lower dentitions.

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)
  • Prostheses (AREA)
  • Dental Preparations (AREA)

Abstract

La présente invention concerne une dent artificielle, et un procédé et un dispositif de fabrication de dent artificielle. La dent artificielle comprend : une couche d'usure de fonction (1) au niveau d'une couche superficielle; et une couche tampon de contrainte (2) au-dessous de la couche d'usure de fonction (1) et ayant une structure poreuse. La dent artificielle peut s'ajuster de manière adaptative pendant l'utilisation, empêchant ainsi un traumatisme causé par une occlusion, et un dysfonctionnement de l'articulation temporo-mandibulaire.
PCT/CN2017/072645 2017-01-25 2017-01-25 Dent artificielle, et procédé et dispositif de fabrication de dent artificielle WO2018137182A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780000102.5A CN109561952B (zh) 2017-01-25 2017-01-25 义齿、义齿制作方法和装置
PCT/CN2017/072645 WO2018137182A1 (fr) 2017-01-25 2017-01-25 Dent artificielle, et procédé et dispositif de fabrication de dent artificielle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/072645 WO2018137182A1 (fr) 2017-01-25 2017-01-25 Dent artificielle, et procédé et dispositif de fabrication de dent artificielle

Publications (2)

Publication Number Publication Date
WO2018137182A1 true WO2018137182A1 (fr) 2018-08-02
WO2018137182A8 WO2018137182A8 (fr) 2018-08-30

Family

ID=62978883

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/072645 WO2018137182A1 (fr) 2017-01-25 2017-01-25 Dent artificielle, et procédé et dispositif de fabrication de dent artificielle

Country Status (2)

Country Link
CN (1) CN109561952B (fr)
WO (1) WO2018137182A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110478071A (zh) * 2019-07-08 2019-11-22 山东建筑大学 一种义齿及其制备方法和应用
CN112754704A (zh) * 2020-12-25 2021-05-07 上海岸和医疗器械有限公司 一种嵌入式氧化锆义齿及其生产工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113440286B (zh) * 2021-07-08 2022-09-16 贵阳新洋诚义齿有限公司 一种自适应缓冲义齿

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07171168A (ja) * 1993-12-20 1995-07-11 Noritake Co Ltd 歯科用陶材フレームのための多孔質層コア部の製造方法及び多孔質層コア部又は歯科用陶材フレームの製造方法及び歯科用陶材フレーム
WO2014158012A1 (fr) * 2013-03-28 2014-10-02 Universiti Malaya Couronne dentaire en céramique contenant plusieurs couches
JP2015137187A (ja) * 2014-01-20 2015-07-30 株式会社ニッカトー 歯科用ジルコニア質焼結体、クラウン用フレーム、ブリッジ用フレーム
US20150320525A1 (en) * 2012-08-13 2015-11-12 University Of Louisville Research Foundation, Inc. Methods for fabricating dental prostheses
CN105919683A (zh) * 2016-04-28 2016-09-07 华南理工大学 一种基于3d打印的仿生假牙及其制造方法
CN205569105U (zh) * 2016-01-25 2016-09-14 上海亮直科技发展有限公司 一种复合义齿
CN106264762A (zh) * 2016-07-20 2017-01-04 中国人民解放军第四军医大学 口腔修复体cad/cam/slm‑3d打印复合方法
CN206228445U (zh) * 2016-08-05 2017-06-09 深圳市美迪牙科器材有限公司 一种新型耐磨稳固义齿

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07171168A (ja) * 1993-12-20 1995-07-11 Noritake Co Ltd 歯科用陶材フレームのための多孔質層コア部の製造方法及び多孔質層コア部又は歯科用陶材フレームの製造方法及び歯科用陶材フレーム
US20150320525A1 (en) * 2012-08-13 2015-11-12 University Of Louisville Research Foundation, Inc. Methods for fabricating dental prostheses
WO2014158012A1 (fr) * 2013-03-28 2014-10-02 Universiti Malaya Couronne dentaire en céramique contenant plusieurs couches
JP2015137187A (ja) * 2014-01-20 2015-07-30 株式会社ニッカトー 歯科用ジルコニア質焼結体、クラウン用フレーム、ブリッジ用フレーム
CN205569105U (zh) * 2016-01-25 2016-09-14 上海亮直科技发展有限公司 一种复合义齿
CN105919683A (zh) * 2016-04-28 2016-09-07 华南理工大学 一种基于3d打印的仿生假牙及其制造方法
CN106264762A (zh) * 2016-07-20 2017-01-04 中国人民解放军第四军医大学 口腔修复体cad/cam/slm‑3d打印复合方法
CN206228445U (zh) * 2016-08-05 2017-06-09 深圳市美迪牙科器材有限公司 一种新型耐磨稳固义齿

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110478071A (zh) * 2019-07-08 2019-11-22 山东建筑大学 一种义齿及其制备方法和应用
CN112754704A (zh) * 2020-12-25 2021-05-07 上海岸和医疗器械有限公司 一种嵌入式氧化锆义齿及其生产工艺

Also Published As

Publication number Publication date
CN109561952B (zh) 2021-08-17
CN109561952A (zh) 2019-04-02
WO2018137182A8 (fr) 2018-08-30

Similar Documents

Publication Publication Date Title
CN109223218B (zh) 支架式活动义齿cad/cam数字化制作方法
CN105852995B (zh) 一种个性化舌侧托槽矫治器及其制作方法
Regish et al. Techniques of fabrication of provisional restoration: an overview
US9801697B2 (en) Integrated support device for providing temporary primary stability to dental implants and prosthesis, and related methods
McLaren et al. Feldspathic veneers: what are their indications
US20130209961A1 (en) Dental Implant Assembly, Implant, and Prosthesis to Replace a Nonfunctional Natural Tooth and Related Methods
US20100028835A1 (en) Pedodontic/veterinary dental crown system
CN105266906A (zh) 一种隐形矫治器的制造方法
CN107468357A (zh) 一种口腔牙齿数字化超薄贴面工艺
WO2018137182A1 (fr) Dent artificielle, et procédé et dispositif de fabrication de dent artificielle
CN107260341A (zh) 一种个性化牙龈美学成形愈合基台的制作方法
WO2017181397A1 (fr) Procédé et appareil pour la fabrication d'une dentition complète numérique fonctionnelle
CN102078223A (zh) 一种儿童牙齿合理排列诱导装置及其制造方法
Tordiglione et al. The prosthetic workflow in the digital era
JP2013138752A (ja) 維持機構を有する人工歯
CN209884371U (zh) 一种隐形矫治器
Ding et al. Digital fabrication of a maxillary obturator prosthesis by using a 3-dimensionally–printed polyetheretherketone framework
CN115634065A (zh) 一种数字化仿生种植牙愈合基台及其制备方法
CN110251275A (zh) 一种个性化髁突假体的设计方法
Singh et al. Prefabricated laser sintered composite veneers and occlusal vertical dimensions
CN107280791A (zh) 一种3d打印可拆卸邻牙粘接种植过渡修复体
EP3982870B1 (fr) Base de prothèse dentaire fabriquée de manière additive avec corps de renforcement
CN107714210A (zh) 一种具有分层结构的仿生义齿
WO2018015267A1 (fr) Systèmes et procédés pour fixer un implant dentaire
Newsome Use of ceramic materials in the restoration of posterior teeth

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: 17894380

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17894380

Country of ref document: EP

Kind code of ref document: A1