WO2022065719A1 - 치열 팬텀 모델, 이를 이용한 스캐너의 스캐닝 정밀도 평가방법 및 이를 이용한 3d 프린팅 정밀도 평가방법 - Google Patents
치열 팬텀 모델, 이를 이용한 스캐너의 스캐닝 정밀도 평가방법 및 이를 이용한 3d 프린팅 정밀도 평가방법 Download PDFInfo
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- WO2022065719A1 WO2022065719A1 PCT/KR2021/011604 KR2021011604W WO2022065719A1 WO 2022065719 A1 WO2022065719 A1 WO 2022065719A1 KR 2021011604 W KR2021011604 W KR 2021011604W WO 2022065719 A1 WO2022065719 A1 WO 2022065719A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- 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
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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
- A61C13/34—Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins [4]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C9/00—Impression cups, i.e. impression trays; Impression methods
- A61C9/004—Means or methods for taking digitized impressions
- A61C9/0046—Data acquisition means or methods
- A61C9/0053—Optical means or methods, e.g. scanning the teeth by a laser or light beam
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C9/00—Impression cups, i.e. impression trays; Impression methods
- A61C9/004—Means or methods for taking digitized impressions
- A61C9/0046—Data acquisition means or methods
- A61C9/008—Mechanical means or methods, e.g. a contact probe moving over the teeth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three-dimensional [3D] modelling for computer graphics
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
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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
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0004—Computer-assisted sizing or machining of dental prostheses
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H30/00—ICT specially adapted for the handling or processing of medical images
- G16H30/40—ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/50—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
Definitions
- a dental phantom model capable of accurately evaluating the precision of a scanner, a scanning precision evaluation method of a scanner using the same, and a 3D printing precision evaluation method using the same are disclosed.
- An intraoral scanner may provide an alternative to traditional impressions. These intraoral scanners are essentially capable of producing accurate scans.
- a rubber impression stone model is produced by simulating a natural dentition, and a non-contact extraoral scanner for the rubber impression stone model (particularly, a model scanner) )) after acquiring the scan data and the scan data of the oral scanner in turn, there is a method of determining that the precision of the oral scanner is excellent as the deviation between these scan data is small.
- the scan data of the model scanner has a lot of error with the rubber impression stone model itself from the original intraoral (ie, real human dentition)
- comparing the data of the model scanner with the data of the intraoral scanner is not a way to compare two models with different originals. will result in Therefore, when judging the precision of the oral scanner based on the data of the model scanner and the data of the oral scanner obtained by scanning the rubber impression stone model that should be considered different from the original, it may lead to an erroneous determination result.
- One embodiment of the present invention provides a dental phantom model capable of precisely evaluating the scanning precision of a scanner.
- Another embodiment of the present invention provides a method for evaluating the scanning precision of a scanner using the dental phantom model.
- Another embodiment of the present invention provides a 3D printing precision evaluation method using the dental phantom model.
- One aspect of the present invention is
- It includes a dental layer including a tooth model as disposed on the base layer,
- the tooth model provides a dental phantom model configured such that a shape observed in one direction is different from shapes observed in the other other direction.
- the tooth model may be one in which three-dimensional position data is constructed.
- the dental phantom model may include a plurality of tooth models, and each tooth model may be configured such that a shape observed in a random direction is different from shapes of other dental models observed in a random direction.
- Each of the tooth models may be configured such that shapes observed from the front, back, planar, left, and right surface shapes of the dental phantom model are different from corresponding shapes of other tooth models.
- the base layer may be shaped in the shape of a human gum.
- the base layer may include a first base layer and a second base layer, the second base layer may be formed to be stepped on the first base layer, and the dental alignment layer may be disposed on the second base layer.
- the dental phantom model may further include a pattern disposed on at least one of the base layer and the tooth model.
- the base layer and the tooth model may include a metal.
- Another aspect of the present invention is
- the actual dental phantom model manufactured in the step (S20-1) is scanned with a contact-type extraoral scanner.
- the step (S40-1) is the three-dimensional position data of the virtual dental phantom model of the scan data of the non-contact extraoral scanner.
- the method for evaluating the scanning precision of the scanner includes, after the step (S40-1), scanning the actual dental phantom model manufactured in the step (S20-1) with an intraoral scanner to obtain scan data (S50-1) And comparing the obtained scan data of the intraoral scanner with the scan data of the non-contact extraoral scanner obtained in the step (S30-1) to evaluate the scanning precision of the intraoral scanner (S60-1) further comprising can
- Another aspect of the present invention is
- It provides a 3D printing precision evaluation method comprising the step (S40-2) of evaluating the precision of the 3D printing by comparing the scan data of the scanner with the 3D position data of the virtual dental phantom model.
- the scanner may be a contact or non-contact oral or extraoral scanner.
- the virtual dentition phantom model and the real dentition phantom model may include one or more tooth models.
- the actual dental phantom model may be the dental phantom model.
- the virtual dental phantom model and the real dental phantom model may not include a tooth model.
- the dental phantom model according to an embodiment of the present invention has excellent scanning properties, so that the precision of the non-contact extraoral scanner and the intraoral scanner, and the precision of 3D printing can be precisely evaluated. Therefore, the dental phantom model can be used as a standard dental pattern model for evaluating the scanning precision of a scanner or the precision of 3D printing.
- FIG. 1AA to 1AD are perspective views of a dental phantom model according to an embodiment of the present invention.
- FIG. 1ae is a front view of the dental phantom model of FIG. 1 .
- FIG. 1af is a rear view of the dental phantom model of FIG. 1 .
- 1Ag is a plan view of the dental phantom model of FIG. 1 .
- FIG. 1ah is a bottom view of the dental phantom model of FIG. 1 .
- FIG. 1ai is a right side view of the dental phantom model of FIG. 1 ;
- 1aj is a left side view of the dental phantom model of FIG. 1 .
- FIG. 1B is a scanning image of the dental phantom model manufactured in Example 1.
- FIG. 2A is a perspective view of the dental phantom model manufactured in Reference Example 1.
- FIG. 2A is a perspective view of the dental phantom model manufactured in Reference Example 1.
- FIG. 2B is a scanning image of the dental phantom model manufactured in Reference Example 1. Referring to FIG.
- 3A is a perspective view of a dental phantom model manufactured in Reference Example 2;
- 3B is a scanning image of the dental phantom model manufactured in Reference Example 2. Referring to FIG.
- tooth model refers to an artificial structure in the form of a tooth.
- three dimensional location data means the spatial coordinate of an arbitrary point, and the spatial coordinate is an ordered pair of three real numbers (x, y, z). If you have the spatial coordinates of all points on the dental phantom model, you can know not only the overall shape of the dental phantom model, but also the position and 3D size of each tooth model, and the distance between the teeth models.
- scan data means 3D position data obtained by scanning with a scanner.
- virtual dental phantom model refers to a dental phantom model (ie, a CAD drawing file) created with a drawing program such as CAD.
- actual dental phantom model refers to a dental phantom model having a physical shape made of a material such as metal.
- FIG. 1a to 1ad are perspective views of a dental phantom model 100 according to an embodiment of the present invention
- FIG. 1ae is a front view of the dental phantom model 100 of FIG. 1
- FIG. 1af is a dental phantom model of FIG. 100
- FIG. 1ag is a plan view of the dental phantom model 100 of FIG. 1
- FIG. 1ah is a bottom view of the dental phantom model 100 of FIG. 1
- FIG. 1ai is the dental phantom model of FIG. 1 ( 100)
- FIG. 1aj is a left side view of the dental phantom model 100 of FIG. 1 .
- a dental phantom model 100 includes base layers 110 and 120 and an alignment layer 130 .
- the base layers 110 and 120 may include a first base layer 110 and a second base layer 120 .
- the second base layer 120 may be formed on the first base layer 110 to be stepped. Specifically, the second base layer 120 may be formed to be smaller in width and length than the first base layer 110 .
- the second base layer 120 may further include one or more patterns P1 and P2 .
- the pattern serves to further improve the scanability of the dental phantom model 100 .
- the patterns P1 and P2 may have various shapes such as a star shape, a wavy shape, a dumbbell shape, and a polygon (triangle, square, pentagon, or hexagon).
- the patterns P1 and P2 may be grooves and/or protrusions.
- base layers 110 and 120 may be shaped in the shape of a human gum.
- the base layers 110 and 120 may include metal. As described above, when the base layers 110 and 120 include metal, scanning properties may be changed (eg, improved).
- the alignment layer 130 may be disposed on the second base layer 120 .
- the dental dentition layer 130 may include one or more tooth models.
- the dental dentition layer 130 may include one or two or more tooth models.
- the dental dentition layer 130 may include eight tooth models 131 to 138, as shown in FIG. 1 .
- Each of the tooth models 131 to 138 may be configured such that a shape observed in one direction is different from shapes observed in the other direction.
- each tooth model 131 to 138 includes a plurality of faces (eg, three or four)
- each tooth model 131 to 138 has a shape of each face of the other faces. It may be configured to be different from each other in shape.
- each of the tooth models 131 to 138 may have three-dimensional position data constructed.
- each of the tooth models 131 to 138 uses a CAD (Computer Aided Design) program to construct a virtual dental phantom model having three-dimensional position data, and then 3D according to the constructed virtual dental phantom model. It may be manufactured by a processing method (eg, various methods such as 3D printing, metal milling, etc.).
- 3D position data cannot be constructed in a tooth model manufactured by taking impressions on natural teeth due to an irregular shape.
- each tooth model 131 to 138 may be configured such that a bottom area (ie, an area of a surface in contact with the second base layer 120 ) mimics a bottom area of a corresponding natural tooth.
- a bottom area ie, an area of a surface in contact with the second base layer 120
- the floor area of the tooth model 131 is larger than the floor area of the tooth model 132 , which imitates human teeth as it is in terms of the floor area.
- each tooth model 131 to 138 may be configured to mimic natural tooth trauma such as enamel fracture, crown fracture, root fracture, tooth dislocation, tooth dislocation, fracture, or gingival damage.
- the dental phantom model 100 includes a plurality of tooth models 131 to 138, and each tooth model (eg, 131) has a shape observed in an arbitrary direction and other teeth observed in an arbitrary direction. It may be configured to be different from the shapes of the models (eg, 132 to 138 ), respectively.
- each tooth model (eg, 131 ) is observed from the front, back, planar, left and right side shapes of the dental phantom model 100 . It can be configured to be different from the corresponding shapes of other dental models (eg, 132 to 138) observed from the front, back, planar, left and right side shapes of the dental phantom model 100 , respectively.
- the “corresponding shape” refers to the specific shape of each tooth model (eg, 131) and the shape of other tooth models (eg, 132 to 138) observed in the same direction.
- each of the tooth models 131 to 138 may further include one or more patterns (not shown).
- the pattern serves to further improve the scanability of the dental phantom model 100 .
- each of the tooth models 131 to 138 may include metal. As described above, by including the metal in each of the tooth models 131 to 138, scanability may be changed (eg, improved).
- the method for evaluating the scanning precision of a scanner comprises the steps of constructing a virtual dental phantom model having three-dimensional position data using a CAD program (S10-1), According to the 3D processing method (eg, various methods such as 3D printing, metal milling, etc.) to manufacture an actual dental phantom model (S20-1), scanning the manufactured actual dental phantom model with a non-contact extraoral scanner to obtain scan data (S30-1), and comparing the scan data of the non-contact extraoral scanner with the three-dimensional position data of the virtual dental phantom model (eg, overlapping) the non-contact extraoral scanner and evaluating the scanning precision of (S40-1).
- the 3D processing method eg, various methods such as 3D printing, metal milling, etc.
- the virtual dental phantom model may be a CAD file.
- the non-contact extraoral scanner may be a 3D scanner commonly referred to as a model scanner.
- step S40-1 the smaller the deviation between the scan data of the non-contact extraoral scanner and the three-dimensional position data of the virtual dental phantom model, the higher the scanning accuracy of the non-contact extraoral scanner may be evaluated.
- the scanning precision evaluation method of the scanner is, between the step (S20-1) and the step (S30-1), the actual dental phantom model manufactured in the step (S20-1) is scanned with a contact extraoral scanner
- the method may further include a step (S25) of obtaining three-dimensional position data of the actual dental phantom model.
- the step (S40-1) is performed by comparing the scan data of the non-contact extraoral scanner with the 3D position data of the real dental phantom model instead of comparing the scan data of the virtual dental phantom model with the 3D position data of the phantom model.
- the scanning accuracy of the non-contact extraoral scanner can be evaluated.
- the contact extraoral scanner may be a 3D scanner.
- the actual dental phantom model manufactured in the step (S20-1) is scanned with an intraoral scanner to obtain scan data Step (S50-1) and comparing the obtained scan data of the intraoral scanner with the scan data of the non-contact extraoral scanner obtained in the step (S30-1) (eg, overlapping) the scanning of the intraoral scanner It may further include the step of evaluating the precision (S60-1).
- step (S60-1) the smaller the deviation between the scan data of the intraoral scanner and the scan data of the non-contact extraoral scanner, the higher the scanning precision of the intraoral scanner can be evaluated.
- the intraoral scanner may be a contact or non-contact 3D scanner.
- the virtual dental phantom model and the real dental phantom model may include one or more dental models.
- the actual dental phantom model may be the aforementioned dental phantom model 100 .
- the virtual dental phantom model and the real dental phantom model may not include a dental model.
- the virtual dental phantom model and the actual dental phantom model may include only the base layers 110 and 120 of the aforementioned dental phantom model 100 and may not include the teeth layer 130 .
- 3D printing precision evaluation method comprises the steps of constructing a virtual dental phantom model having three-dimensional position data using a CAD program (S10-2), According to the 3D printing step of manufacturing an actual dental phantom model (S20-2), scanning the manufactured actual dental phantom model with a scanner to obtain scan data (S30-2), and the scan data of the scanner and evaluating the precision of the 3D printing by comparing it with the three-dimensional position data of the virtual dental phantom model (S40-2).
- the 3D printing may be performed by a 3D printer.
- the precision of the 3D printing may represent the precision of the 3D printer when the precision of the scanner is high, and may represent the precision of the scanner when the precision of the 3D printer is high, and the precision of the 3D printer and When all of the scanner precision is low, it may indicate the overall precision.
- the scanner may be a contact or non-contact 3D intraoral or extraoral scanner.
- step S40-2 the smaller the deviation between the scan data of the extraoral scanner and the three-dimensional position data of the virtual dental phantom model, the higher the precision of the 3D printing can be evaluated.
- the virtual dental phantom model and the real dental phantom model may include one or more dental models.
- the actual dental phantom model may be the aforementioned dental phantom model 100 .
- the virtual dental phantom model and the real dental phantom model may not include a dental model.
- the virtual dental phantom model and the actual dental phantom model may include only the base layers 110 and 120 of the aforementioned dental phantom model 100 and may not include the teeth layer 130 .
- Example 1 and Reference Examples 1-2 Preparation of a dental phantom model
- the dental phantom models of the shapes shown in FIGS. 1ag, 2a and 3a were manufactured using a CAD program and a 3D printer.
- Each of the prepared dental phantom models was scanned with a scanner (TRIOS 3 manufactured by 3Shape) to obtain a scanning image.
- 1B is a scanning image of the dental phantom model manufactured in Example 1
- FIG. 2B is a scanning image of the dental phantom model manufactured in Reference Example 1
- FIG. 3B is a scanning image of the dental phantom model manufactured in Reference Example 2. .
- the dental phantom model of Example 1 has excellent scanability and thus can be used as a standard teeth pattern model for evaluating the scanning precision of a scanner or the precision of 3D printing.
- the dental phantom model having a shape that is even slightly different from the dental phantom model of Example 1 has poor scanning properties, so the scanning accuracy of the scanner or 3D It can be confirmed that it cannot be used as a standard dental pattern model for evaluating the precision of printing.
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Abstract
Description
Claims (18)
- 베이스층; 및상기 베이스층 상에 배치된 것으로 치아 모형을 포함하는 치열층을 포함하고,상기 치아 모형은 어느 한 방향에서 관찰된 형상이 나머지 다른 방향에서 관찰된 형상들과 각각 상이하도록 구성된 치열 팬텀 모델.
- 제1항에 있어서,상기 치아 모형은 3차원 위치 데이터가 구축된 것인 치열 팬텀 모델.
- 제1항에 있어서,상기 치열 팬텀 모델은 복수개의 치아 모형을 포함하고, 상기 각 치아 모형은 임의의 방향에서 관찰된 형상이 임의의 방향에서 관찰된 나머지 다른 치아 모형의 형상들과 각각 상이하도록 구성된 치열 팬텀 모델.
- 제3항에 있어서,상기 각 치아 모형은 상기 치열 팬텀 모델의 정면, 배면, 평면, 좌측면 및 우측면 형상으로부터 관찰된 형상들이 나머지 다른 치아 모형의 대응 형상들과 각각 상이하도록 구성된 치열 팬텀 모델.
- 제1항에 있어서,상기 베이스층은 사람의 잇몸 형태로 형상화된 것인 치열 팬텀 모델.
- 제1항에 있어서,상기 베이스층은 제1 베이스층 및 제2 베이스층을 포함하고, 상기 제2 베이스층은 상기 제1 베이스층 상에 단차지게 형성되고, 상기 치열층은 상기 제2 베이스층 상에 배치된 치열 팬텀 모델.
- 제1항에 있어서,상기 베이스층 및 상기 치아 모형 중 적어도 하나에 배치된 패턴을 더 포함하는 치열 팬텀 모델.
- 제1항에 있어서,상기 베이스층 및 상기 치아 모형은 금속을 포함하는 치열 팬텀 모델.
- CAD 프로그램을 이용하여 3차원 위치 데이터를 갖는 가상의 치열 팬텀 모델을 작도하는 단계(S10-1);상기 작도된 가상의 치열 팬텀 모델에 따라 3D 가공법으로 실제 치열 팬텀 모델을 제조하는 단계(S20-1);상기 제조된 실제 치열 팬텀 모델을 비접촉식 구강외 스캐너로 스캐닝하여 스캔 데이터를 획득하는 단계(S30-1); 및상기 비접촉식 구강외 스캐너의 스캔 데이터를 상기 가상의 치열 팬텀 모델의 3차원 위치 데이터와 비교하여 상기 비접촉식 구강외 스캐너의 스캐닝 정밀도를 평가하는 단계(S40-1)를 포함하는 스캐너의 스캐닝 정밀도 평가방법.
- 제9항에 있어서,상기 단계(S20-1)와 상기 단계(S30-1) 사이에, 상기 단계(S20-1)에서 제조된 실제 치열 팬텀 모델을 접촉식 구강외 스캐너로 스캐닝하여 상기 실제 치열 팬텀 모델의 3차원 위치 데이터를 획득하는 단계(S25)를 더 포함하고, 상기 단계(S40-1)는 상기 비접촉식 구강외 스캐너의 스캔 데이터를 상기 가상의 치열 팬텀 모델의 3차원 위치 데이터와 비교하는 대신에 상기 실제 치열 팬텀 모델의 3차원 위치 데이터와 비교하여 상기 비접촉식 구강외 스캐너의 스캐닝 정밀도를 평가하는 스캐너의 스캐닝 정밀도 평가방법.
- 제9항에 있어서,상기 단계(S40-1) 이후에, 상기 단계(S20-1)에서 제조된 실제 치열 팬텀 모델을 구강 스캐너로 스캐닝하여 스캔 데이터를 획득하는 단계(S50-1) 및 상기 획득된 구강 스캐너의 스캔 데이터를 상기 단계(S30-1)에서 획득된 상기 비접촉식 구강외 스캐너의 스캔 데이터와 비교하여 상기 구강 스캐너의 스캐닝 정밀도를 평가하는 단계(S60-1)를 더 포함하는 스캐너의 스캐닝 정밀도 평가방법.
- 제9항에 있어서,상기 가상의 치열 팬텀 모델 및 상기 실제 치열 팬텀 모델은 하나 이상의 치아 모형을 포함하는 스캐너의 스캐닝 정밀도 평가방법.
- 제12항에 있어서,상기 실제 치열 팬텀 모델은 제1항 내지 제7항 중 어느 한 항에 따른 치열 팬텀 모델인 스캐너의 스캐닝 정밀도 평가방법.
- 제9항에 있어서,상기 가상의 치열 팬텀 모델 및 상기 실제 치열 팬텀 모델은 치아 모형을 포함하지 않는 스캐너의 스캐닝 정밀도 평가방법.
- CAD 프로그램을 이용하여 3차원 위치 데이터를 갖는 가상의 치열 팬텀 모델을 작도하는 단계(S10-2);상기 작도된 가상의 치열 팬텀 모델에 따라 3D 프린팅하여 실제 치열 팬텀 모델을 제조하는 단계(S20-2);상기 제조된 실제 치열 팬텀 모델을 스캐너로 스캐닝하여 스캔 데이터를 획득하는 단계(S30-2); 및상기 스캐너의 스캔 데이터를 상기 가상의 치열 팬텀 모델의 3차원 위치 데이터와 비교하여 상기 3D 프린팅의 정밀도를 평가하는 단계(S40-2)를 포함하는 3D 프린팅 정밀도 평가방법.
- 제15항에 있어서,상기 스캐너는 접촉식 또는 비접촉식 구강 또는 구강외 스캐너인 3D 프린팅 정밀도 평가방법.
- 제15항에 있어서,상기 가상의 치열 팬텀 모델 및 상기 실제 치열 팬텀 모델은 하나 이상의 치아 모형을 포함하는 3D 프린팅 정밀도 평가방법.
- 제17항에 있어서,상기 실제 치열 팬텀 모델은 제1항 내지 제7항 중 어느 한 항에 따른 치열 팬텀 모델인 3D 프린팅 정밀도 평가방법.
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| JP2023500285A JP2023537831A (ja) | 2020-09-23 | 2021-08-30 | 歯列ファントムモデル、これを用いたスキャナーのスキャニング精度評価方法およびこれを用いた3Dプリンティング精度評価方法{Phantom model of teeth set, method of evaluating scanning precision of scanner using the same and method of evaluating 3D printing precision using the same} |
| US18/013,545 US20230298484A1 (en) | 2020-09-23 | 2021-08-30 | Phantom model of teeth set, method of evaluating scanning precision of scanner using the same, and method of evaluating 3D printing precision using the same |
| CN202180047810.0A CN116157855A (zh) | 2020-09-23 | 2021-08-30 | 牙列幻影模型、利用该模型的扫描仪扫描精度评估方法及利用该模型的3d打印精度评估方法 |
| BR112023005012A BR112023005012A2 (pt) | 2020-09-23 | 2021-08-30 | Modelo fantasma de conjunto de dentes (dentição), método de avaliação da precisão de scaneamento de scanners usando o mesmo e método de avaliação da precisão de impressão 3d usando o mesmo |
| EP21872749.3A EP4220608A4 (en) | 2020-09-23 | 2021-08-30 | PHANTOM MODEL OF DENTURE, METHOD FOR EVALUATING SCANNING ACCURACY OF SCANNER USING SAME, AND METHOD FOR EVALUATING 3D PRINTING ACCURACY USING SAME |
| US29/910,439 USD1117772S1 (en) | 2020-09-23 | 2023-08-21 | Scanning and printing calibration tool |
| JP2024137866A JP2024160362A (ja) | 2020-09-23 | 2024-08-19 | 歯列ファントムモデル、これを用いたスキャナーのスキャニング精度評価方法およびこれを用いた3Dプリンティング精度評価方法{Phantom model of teeth set, method of evaluating scanning precision of scanner using the same and method of evaluating 3D printing precision using the same} |
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| KR1020200123332A KR102268060B1 (ko) | 2020-09-23 | 2020-09-23 | 치열 팬텀 모델, 이를 이용한 스캐너의 스캐닝 정밀도 평가방법 및 이를 이용한 3d 프린팅 정밀도 평가방법 |
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| US18/013,545 A-371-Of-International US20230298484A1 (en) | 2020-09-23 | 2021-08-30 | Phantom model of teeth set, method of evaluating scanning precision of scanner using the same, and method of evaluating 3D printing precision using the same |
| US29/910,439 Continuation USD1117772S1 (en) | 2020-09-23 | 2023-08-21 | Scanning and printing calibration tool |
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| WO2022065719A1 true WO2022065719A1 (ko) | 2022-03-31 |
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| PCT/KR2021/011604 Ceased WO2022065719A1 (ko) | 2020-09-23 | 2021-08-30 | 치열 팬텀 모델, 이를 이용한 스캐너의 스캐닝 정밀도 평가방법 및 이를 이용한 3d 프린팅 정밀도 평가방법 |
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| US (2) | US20230298484A1 (ko) |
| EP (1) | EP4220608A4 (ko) |
| JP (2) | JP2023537831A (ko) |
| KR (1) | KR102268060B1 (ko) |
| CN (1) | CN116157855A (ko) |
| BR (1) | BR112023005012A2 (ko) |
| WO (1) | WO2022065719A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115381576A (zh) * | 2022-08-10 | 2022-11-25 | 中国人民解放军空军军医大学 | 一种测量口内扫描仪的精度偏差的方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102268060B1 (ko) * | 2020-09-23 | 2021-06-22 | 심미영 | 치열 팬텀 모델, 이를 이용한 스캐너의 스캐닝 정밀도 평가방법 및 이를 이용한 3d 프린팅 정밀도 평가방법 |
| WO2025121509A1 (ko) * | 2023-12-08 | 2025-06-12 | 부경대학교 산학협력단 | 치과 영상장치 성능평가용 팬텀 |
| CN117912665B (zh) * | 2024-03-18 | 2024-06-07 | 大连经典牙科科技有限公司 | 一种基于口腔扫描数据的远程管理系统 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150120033A (ko) * | 2014-04-16 | 2015-10-27 | (주)로봇앤드디자인 | 치아모델의 제조방법 |
| JP2017524448A (ja) * | 2014-07-09 | 2017-08-31 | ヘレーウス クルツァー ゲゼルシャフト ミット ベシュレンクテル ハフツングHeraeus Kulzer GmbH | 歯科補綴物の製造方法 |
| KR20180131471A (ko) * | 2017-05-30 | 2018-12-10 | 주식회사 위메이드아이앤씨 | 3d 스캐닝과 bim을 이용한 시공 오차 통합 관리 장치 및 그 방법 |
| KR20190037557A (ko) * | 2017-09-29 | 2019-04-08 | 고려대학교 산학협력단 | 치아 교정 치료용 모델 및 서지컬 가이드 제작용 3d 프린터를 평가하기 위한 복합표준 모형 |
| KR20200042068A (ko) * | 2018-10-12 | 2020-04-23 | 주식회사 화승알앤에이 | 측정 대상의 3d 모델과 측정 대상에 대한 3d 스캔 데이터 간의 오차를 추출하는 방법 |
| KR102268060B1 (ko) * | 2020-09-23 | 2021-06-22 | 심미영 | 치열 팬텀 모델, 이를 이용한 스캐너의 스캐닝 정밀도 평가방법 및 이를 이용한 3d 프린팅 정밀도 평가방법 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4242812A (en) * | 1979-02-26 | 1981-01-06 | Ivan H. Randoll | Typodont having removable teeth |
| USD286436S (en) * | 1983-03-21 | 1986-10-28 | Kv33 Corporation | Dental articulator with a tab mounting |
| EP1287482A4 (en) * | 2000-04-28 | 2007-07-11 | Orametirix Inc | METHOD AND SYSTEM FOR SCANNING A SURFACE AND PRODUCING A THREE-DIMENSIONAL OBJECT |
| US6497574B1 (en) * | 2000-09-08 | 2002-12-24 | Align Technology, Inc. | Modified tooth positioning appliances and methods and systems for their manufacture |
| USD487314S1 (en) * | 2003-01-13 | 2004-03-02 | Ivoclar Vivadent, Inc. | Set of posterior teeth |
| USD582558S1 (en) * | 2006-05-23 | 2008-12-09 | Franz Sachs Gmbh & Co. Kg | Human dental model |
| USD611153S1 (en) * | 2008-11-26 | 2010-03-02 | Frantz Design Inc. | Dental appliance |
| WO2010097089A1 (en) * | 2009-02-25 | 2010-09-02 | 3Shape A/S | System and method for designing post and core |
| JP5859986B2 (ja) * | 2010-02-25 | 2016-02-16 | 3シェイプ アー/エス | 動的仮想咬合器 |
| WO2012002488A1 (ja) * | 2010-07-01 | 2012-01-05 | 株式会社ニッシン | 歯科模型及びキット |
| CN103503049B (zh) * | 2011-03-14 | 2016-10-26 | 株式会社日进 | 牙科模型及模型牙 |
| GB201108003D0 (en) * | 2011-05-13 | 2011-06-29 | Materialise Dental Nv | Endodontic treatment simulation system |
| US9408678B2 (en) * | 2012-10-10 | 2016-08-09 | James Harrison | Cradle for positioning a final dental prosthesis and a system incorporating the cradle |
| CN109069240A (zh) * | 2016-04-28 | 2018-12-21 | 斯特劳曼控股公司 | 用于制造牙科装置的系统和方法 |
| EP4252698B1 (en) * | 2016-07-27 | 2025-04-30 | Align Technology, Inc. | Intraoral scanner with dental diagnostics capabilities |
| USD870164S1 (en) * | 2018-03-09 | 2019-12-17 | Capital One Services, Llc | Three-dimensional (3D) printer test target |
| CN109238197A (zh) * | 2018-08-28 | 2019-01-18 | 北京大学口腔医学院 | 一种口腔三维扫描仪的精度评价方法 |
| MX2021003493A (es) * | 2018-09-27 | 2021-06-23 | Nissin Dental Products Inc | Diente modelo, base para dientes modelo y modelo dental. |
| CN110039786A (zh) * | 2019-04-19 | 2019-07-23 | 北京大学口腔医学院 | 一种口腔专用3d打印系统打印精度的标准评价方法 |
| CN210113625U (zh) * | 2019-04-19 | 2020-02-25 | 山东第一医科大学(山东省医学科学院)) | 口内扫描仪精确度评估标准模型 |
| CN110095063B (zh) * | 2019-04-19 | 2021-08-31 | 北京大学口腔医学院 | 一种口腔医疗制品3d打印精度的标准检测方法 |
| CN110057545A (zh) * | 2019-05-07 | 2019-07-26 | 北京大学口腔医学院 | 一种口内三维扫描仪扫描精度的标准评价方法 |
| USD980984S1 (en) * | 2021-09-27 | 2023-03-14 | Yau Yau Cecilia Young | Orthodontic appliance |
| USD1004780S1 (en) * | 2021-09-30 | 2023-11-14 | Shenzhen Youya Gifts Co., Ltd. | Dental model |
| USD1025370S1 (en) * | 2021-10-21 | 2024-04-30 | Shanghai Smartee Denti-Technology Co., Ltd. | Dental applicane set |
-
2020
- 2020-09-23 KR KR1020200123332A patent/KR102268060B1/ko active Active
-
2021
- 2021-08-30 JP JP2023500285A patent/JP2023537831A/ja active Pending
- 2021-08-30 CN CN202180047810.0A patent/CN116157855A/zh active Pending
- 2021-08-30 WO PCT/KR2021/011604 patent/WO2022065719A1/ko not_active Ceased
- 2021-08-30 US US18/013,545 patent/US20230298484A1/en active Pending
- 2021-08-30 BR BR112023005012A patent/BR112023005012A2/pt unknown
- 2021-08-30 EP EP21872749.3A patent/EP4220608A4/en active Pending
-
2023
- 2023-08-21 US US29/910,439 patent/USD1117772S1/en active Active
-
2024
- 2024-08-19 JP JP2024137866A patent/JP2024160362A/ja active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150120033A (ko) * | 2014-04-16 | 2015-10-27 | (주)로봇앤드디자인 | 치아모델의 제조방법 |
| JP2017524448A (ja) * | 2014-07-09 | 2017-08-31 | ヘレーウス クルツァー ゲゼルシャフト ミット ベシュレンクテル ハフツングHeraeus Kulzer GmbH | 歯科補綴物の製造方法 |
| KR20180131471A (ko) * | 2017-05-30 | 2018-12-10 | 주식회사 위메이드아이앤씨 | 3d 스캐닝과 bim을 이용한 시공 오차 통합 관리 장치 및 그 방법 |
| KR20190037557A (ko) * | 2017-09-29 | 2019-04-08 | 고려대학교 산학협력단 | 치아 교정 치료용 모델 및 서지컬 가이드 제작용 3d 프린터를 평가하기 위한 복합표준 모형 |
| KR20200042068A (ko) * | 2018-10-12 | 2020-04-23 | 주식회사 화승알앤에이 | 측정 대상의 3d 모델과 측정 대상에 대한 3d 스캔 데이터 간의 오차를 추출하는 방법 |
| KR102268060B1 (ko) * | 2020-09-23 | 2021-06-22 | 심미영 | 치열 팬텀 모델, 이를 이용한 스캐너의 스캐닝 정밀도 평가방법 및 이를 이용한 3d 프린팅 정밀도 평가방법 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4220608A4 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115381576A (zh) * | 2022-08-10 | 2022-11-25 | 中国人民解放军空军军医大学 | 一种测量口内扫描仪的精度偏差的方法 |
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| Publication number | Publication date |
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| JP2024160362A (ja) | 2024-11-13 |
| JP2023537831A (ja) | 2023-09-06 |
| US20230298484A1 (en) | 2023-09-21 |
| CN116157855A (zh) | 2023-05-23 |
| USD1117772S1 (en) | 2026-03-10 |
| EP4220608A1 (en) | 2023-08-02 |
| KR102268060B1 (ko) | 2021-06-22 |
| BR112023005012A2 (pt) | 2023-04-18 |
| EP4220608A4 (en) | 2024-10-16 |
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