EP3265017A1 - Procédé pour déterminer la nécessité d'un traitement orthodontique et dispositifs associés - Google Patents

Procédé pour déterminer la nécessité d'un traitement orthodontique et dispositifs associés

Info

Publication number
EP3265017A1
EP3265017A1 EP16711782.9A EP16711782A EP3265017A1 EP 3265017 A1 EP3265017 A1 EP 3265017A1 EP 16711782 A EP16711782 A EP 16711782A EP 3265017 A1 EP3265017 A1 EP 3265017A1
Authority
EP
European Patent Office
Prior art keywords
computer
dental arch
patient
jaw position
geometric data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP16711782.9A
Other languages
German (de)
English (en)
Inventor
Friedrich Widu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smile Work Technologies GmbH
Original Assignee
Work For Smile GmbH
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 Work For Smile GmbH filed Critical Work For Smile GmbH
Publication of EP3265017A1 publication Critical patent/EP3265017A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • A61C7/002—Orthodontic computer assisted systems

Definitions

  • the present invention relates to a method according to the preamble of claim 1. It also relates to a
  • Brackets, Aligner and the like serve teeth of the patient or orthodontic wearer
  • An object of the present invention may be to propose a method by which the patient himself can assess, determine or verify the orthodontic status or need for orthodontic treatment.
  • a suitable Device a suitable set, a suitable digital storage medium, a suitable computer program product and a suitable computer program can be specified.
  • the object of the invention is achieved by a method having the features of claim 1. It is further achieved by means of the device having the features of claim 8, the set having the features of claim 14, the digital storage medium having the features of claim 17, the computer program product having the features of claim 18 and the computer program having the features of
  • the method comprises providing a device for acquiring geometric data or position data of the upper and / or lower dental arch and / or the jaw position
  • the device may be adapted to capture such data of an impression or model of the dental arch or portions thereof respectively.
  • the device is preferably provided to or from the patient.
  • the device can
  • Another step of the method according to the invention is the acquisition of geometric data or position data of the upper and / or lower dental arch of the patient or the
  • the method includes evaluating the acquired geometric data.
  • the device according to the invention is preferably
  • Treatment and has a device for detecting
  • each section thereof. has a device for evaluating the acquired geometric data of the dental arch and / or the jaw position.
  • the set according to the invention has at least one
  • An inventive digital, in particular non-volatile, storage medium in particular in the form of a machine-readable carrier, in particular in the form of a
  • Floppy disc, CD, DVD or EPROM in particular with electronically or optically readable control signals, can be so with a programmable computer system cooperate, that the mechanical steps of the inventive method are caused.
  • a computer program product according to the invention has a volatile, volatile (as a signal wave) or stored on a machine-readable carrier code for initiating the mechanical steps of the inventive method when the computer program product on a
  • a computer program product according to the invention may be, for example, a computer program stored on a carrier, an embedded system as a comprehensive system with a computer program (eg.
  • client / server system e.g., client / server system, cloud computing system, etc.
  • a computer on which a computer program is loaded, run, stored, executed, or developed e.g., client / server system, cloud computing system, etc.
  • machine-readable carrier refers to a carrier that contains data or information interpretable by software and / or hardware
  • the carrier may be a data carrier such as a floppy disk, a CD, DVD , a USB flash drive, a flashcard, an SD card and the like.
  • a computer program according to the invention has one
  • Program code for initiating the mechanical steps of the method according to the invention when the computer program runs on a computer.
  • a computer program according to the invention for example, a physical, marketable software product that has a program.
  • Computer program according to the invention is that all, some or some of the mechanically performed steps of the method according to the invention are caused. This applies in particular in cooperation with a device according to the invention and / or at least one of the devices provided as described herein.
  • Embodiments of the invention may have one or more of the following features in any combination, provided that such a combination is not technically technically impossible for those skilled in the art.
  • Embodiments are the detection of geometric data or position data of the upper and / or lower dental arch of the patient, or a portion thereof respectively by creating or storing a graphical or visual representation or includes this.
  • Embodiments the acquisition of geometric data or position data of the upper and / or lower dental arch or jaw position by making several,
  • Tooth arch or the jaw position can be calculated.
  • the result may optionally be matched with previous data or input data or output data of the dental arch or bite concerning previous and interim treatments, e.g.
  • stl-files numerical values can be determined as a deviation from an ideal image, as absolute distances (in mm, for example), as angles, etc. , exemplary
  • Embodiments takes place the capture of geometric data or position data by means of creating and at least volatile storage of raw or measured data, which are stored for example in matrix form.
  • Embodiments are matched or rated with or based on reference data, predetermined criteria, indexes, or the like.
  • Such criteria may further include values or outcomes that result from earlier performance of the
  • Indexes may be in this context: IOTN, Richmond (Manchester), Swedish Medical Health Board (Linder Aronson, 1974), PAR Index, Andrews' Six Keys of Occlusion, and the like.
  • An evaluation is in certain, exemplary
  • Embodiments of the present invention a determination or measurement of a contact point deviation (meaning preferably the contact point deviation of two, or in each case two, adjacent teeth), a correlation with
  • Embodiments are or are the reference data taken from an index, determined by means of an index and / or are stored in a database, for. B of the invention Device stored before. A device for determining reference data can be provided.
  • Embodiments is or comprises the evaluation of the acquired geometric data a comparison with so-called.
  • Stl-files which were created by the orthodontist, for example, on the occasion of an earlier treatment.
  • the data of such stl-files can be understood as reference data.
  • inventive method can be used here as a review
  • Embodiments is or comprises the evaluation of the acquired geometric data a comparison with data from a previous examination, such as data or images of a so-called set-up, ie a model created by the dental laboratory, which the ideal position or a target position of the teeth either in digital form or as a (gypsum) model, and which can also be used for comparison.
  • data from a previous examination such as data or images of a so-called set-up, ie a model created by the dental laboratory, which the ideal position or a target position of the teeth either in digital form or as a (gypsum) model, and which can also be used for comparison.
  • the comparison may be a visual comparison in which, for example, difference images or difference partial images are generated.
  • difference images or sections are generated.
  • the difference images can be easily compared with, for example stored images evaluated, evaluated, classes assigned, compared to threshold values or ranges, and the like.
  • the stored images may be from previous examinations of, for example, a dental arch, impression or model of other patients.
  • the comparison may be a computational comparison in which characteristic values such as. B. distances between
  • Jaw misalignment is an option, is recommended or can be described as optimal. This can be a
  • Orthodontic device recommended for treatment which have been found to be particularly helpful in treating similar cases.
  • Such an orthodontic appliance may be an aligner or, for example, a so-called fixed brace.
  • Apparatuses are known, for example, from US Pat. No. 6,607,382 B1. They are usually transparent, made of plastic - usually a heat-deformable polymer material, but in any case a non-metallic material - made and serve to affect teeth or tooth segments and their position relative to other teeth or tooth segments in the desired manner and direction. They are used to transmit forces or torques from the
  • Orthodontists set individual teeth or concrete tooth segments.
  • Aligners which are different than, for example, so-called fixed
  • Aids are solvable by the patient on the
  • Orthodontists set individual teeth or concrete tooth segments.
  • Aligners are commonly used in plural; the patient will receive a series (often 25 to 30 pieces) of aligners intended to be used in succession, from which he will begin to wear the next if: certain orthodontic criteria were met by wearing the specific aligner or certain objectives were met. Results of evaluations, evaluations, surveys,
  • the output can be by means of display (eg by means of monitor of the device) by means of output, by
  • the printer or by transferring to third parties.
  • the output can be done by means of or as a signal transmission to a receiver, which, for example, part of one of the devices mentioned herein, in particular the
  • the output can be wireless, such as by radio, infrared, Bluetooth or the like.
  • the devices used or the device according to the invention can be designed accordingly.
  • the output may be or include storing results in a database.
  • the results stored in this way can advantageously be used for a later comparison with values that have been collected later.
  • the device according to the invention can be configured and programmed accordingly.
  • the output can be or include a quantitative or qualitative statement.
  • the statement can be classified, for example in quality classes or classes, which correspond to or include action proposals.
  • a quantitative statement can be an action suggestion, for example from a group, which from the action suggestions "it is recommended to go to the orthodontist.”, "It is recommended that a treatment by means of a
  • a qualitative statement can be a numerical value or include such a number, for example from a group, which consists of the
  • the evaluation of the acquired geometric data is or included in some example of the invention
  • Embodiments output results from Evaluations, registrations, determinations, investigations,
  • Embodiments are the acquisition of the geometric data of the upper and / or lower dental arch of the patient and / or the detection of the geometry of the orthodontic
  • Device a graphical or pictorial image, or includes such.
  • Embodiments comprise or are the means for detecting and / or the device according to the invention a mobile handset, a computer-assisted telephone, a tablet computer, a personal computer, a computer-aided
  • Wristwatch computer-aided glasses, other personal, computer-like device or a digital camera, or a part thereof, in particular configured as by battery or battery detached from a power source of a fixed network (socket) operable and / or at least one battery or at least one battery having.
  • Embodiments of the invention include the provision of an alignment device that is designed, when used together with the device for detecting, to determine the geometry or shape under predetermined
  • the angle or position to the orthodontic appliance under which / r is detected may count. Furthermore, the height of the device above the dental arch, etc., count on the conditions.
  • the alignment by means of Alignment device can ensure or contribute to the reproducibility of the detection. Furthermore, resource-consuming computational transformation of the acquired data into data for further processing, such as computational resolution of distortions, etc., may be eliminated.
  • the alignment device may take the form of a tripod. It can be designed as a mouthpiece, which ensures a predetermined distance and a predetermined alignment between the dental arch and detection device.
  • the alignment device is alternative or in addition to their possible structural design as a software solution, program section or the like (or has such).
  • This embodiment may advantageously allow, alternatively or in addition to a spatial arrangement of the detection device to the object to be detected, to perform a computational alignment of the result of the detection after detection.
  • the detection device may be programmed to mathematically take into account an angle at which the detection has taken place by the detected
  • the method comprises making an impression of the upper and / or lower dental arch and / or the jaw position, or in each case a portion thereof.
  • this impression material is used, which is known to those skilled in the dental environment. Can be used
  • the impression material may be such that the pressure applied to the material when making the impression or the penetration of the tooth into the impression material results in local discoloration of the material. This may allow due to the discoloration of the impression material by the
  • impressioning the teeth by the patient to create a 3-dimensional model of the dental arch be it virtual or plastic.
  • Several colors can be inherently available for this purpose. Color gradients indicative of the pressure or depth of penetration of the tooth into the material may be achievable.
  • Embodiments output the result of computational, pictorial, or other evaluation or matching.
  • a corresponding output device such as a display, a printer or the like, can be provided, in signal connection and / or programmed accordingly.
  • the device comprises a device for evaluating a result of matching with, or based on, predetermined criteria, indexes or the like.
  • Embodiments are the device or device for detecting a mobile handset, a computerized telephone, a tablet computer, a personal computer, a computerized wristwatch, computerized glasses, or other personal computer-like
  • the set comprises impression material for
  • the set comprises at least one
  • Alignment means for positioning the means for detecting the geometry of the orthodontic appliance under predetermined, reproducible conditions relative to the orthodontic appliance.
  • the set comprises at least one shelf or shelf on which the impression of the dental arch is stored for acquiring its geometric data.
  • the support can have one or more markings as an example of an alignment device, by means of which the impression is aligned on the support.
  • the storage can have a scaling aid for determining the actual or relevant for the further processing size ratios of the detected impression.
  • the method does not include evaluation of X-ray images.
  • the method is performed, preferably outside the treatment room (s) of an orthodontist and in its absence. In other exemplary embodiments of the invention, the method is performed by a third party who is layman.
  • the devices mentioned herein may be capable of performing the functions attributed to them. They can be programmed and / or configured for this purpose.
  • a method or device which allows a simple detection of the need for a future treatment of malposition of teeth and / or jaw position.
  • the patient is in a position to ascertain whether orthodontic treatment is generally required or sensible, or may be, what effect it might bring, and, if appropriate, which orthodontic device is actually suitable for this purpose.
  • the patient may also experience the optimal time, to which orthodontic treatment should be started.
  • the patient can - and his orthodontist - by means of the present invention visit the orthodontist, which serve alone the consultation, save. Last can help to save costs.
  • the patient can gain the knowledge or even receive the indication that a visit to the orthodontist might be indicated.
  • the present invention can give the patient safety with regard to the treatment and independence with regard to the necessity of a treatment, which hitherto was the sole subject of the orthodontist.
  • FIG. 1 shows very simplified schematically the flow of a method according to the invention in a first, exemplary embodiment
  • Fig. 2 shows an impression of the upper dental arch
  • FIG. 3 shows a deposition surface on which the impression of FIG. 2 is deposited in an exemplary embodiment of the method according to the invention
  • FIG. Fig. 4a-c show three different fillings of
  • Impression tray of Figure 2 each shown in a cross section of the impression tray.
  • Fig. 5 shows an alignment device, as in the
  • Fig. 1 shows schematically very simplified the flow of a method according to the invention in a first, pure
  • step Sl With a device 5 for detecting geometric data of the upper and / or lower dental arch of the patient, not shown in the figures, the patient takes in step Sl
  • step S1 Image of one of his dental arches.
  • he takes an image of an impression 11 of the considered dental arch or a relevant section thereof.
  • the impression 11 can advance, d. H. before the beginning of
  • inventive method have been created. It may alternatively and in particular be created by the patient as part of the method according to the invention.
  • the data acquired by the device 5 are evaluated in a step S2, for example by using
  • Reference data are compared.
  • the comparison allows a statement about the tooth position of the patient, for example, the meaning of an orthodontic measure, the nature of a preferred orthodontic device, too Reference values from third-party treatments, comparative cases from databases in which tooth positions and / or
  • Fig. 2 shows an impression 11 of the upper dental arch
  • the impression tray 13, as well as the mass required to create the impression 11, can be part of the set according to the invention.
  • FIG. 3 shows a deposition surface 15 on which the impression 11 of FIG. 2 is deposited in an exemplary embodiment of the method according to the invention.
  • Shelf 15 is in the example of FIG. 3 a piece of paper or cardboard.
  • the storage surface 15, which serves as a storage, is only an example of an area as shown in Fig. 3. It can also have a different shape than a surface.
  • the storage surface 15 has an alignment device 17. This serves to orient the impression of the upper incisors within the
  • Alignment device 17 is shown here purely by way of example as a graphical element. However, it could also be provided as a survey.
  • the storage area 15 is in the example of FIG. 3 with a
  • Scaling 19 provided. Scaling serves as a reference for the correct size ratios. Furthermore, distortions can occur be recognized and computationally resolved based on the captured representation of the scale 19.
  • the storage surface 15 may be part of the set according to the invention.
  • FIG. 4 shows, as FIGS. 4a, 4b and 4c, three different fillings of the impression tray 13, each illustrated in a cross section of the impression tray 13.
  • an impression compound 21 with a non-planar surface thereof can be filled into the impression tray 13.
  • the latter makes it possible to clearly determine the penetration depth of the teeth into the impression mass 21.
  • Embodiments is the impression material 21 such that an impression made herein, for example of a tooth, in
  • an impression of shallow depth can lead to a different color image in the impression mass than an impression of great depth.
  • a juxtaposition of different colors in an impression can also occur; For example, the color can change with the depth of penetration.
  • Impression material 21 may be constructed of different colored layers for this purpose. In this way, the impression 13th
  • a 3-dimensional structure of the depressed dental arch are already taken in plan view.
  • Such an impression material is referred to herein as color-protective.
  • Fig. 5 shows an alignment device 17, as they are used in carrying out the method according to the invention and may be part of the kit according to the invention.
  • Alignment device 17 a frame consisting of four side struts 17 ⁇ , 17 , ⁇ , 17 ,, ⁇ and 17 ,,, ⁇ on.
  • the frame can stand on feet, as shown in Fig. 5 also recognizable.
  • the frame may be designed to be adjustable in at least one spatial direction, such as by telescopic or
  • the adjustability which is indicated in Fig. 5 by means of double arrows, allows the frame, for example, to adapt to the dimensions of popular smartphones, cell phones or the like, which, with appropriate programming, the function of the device according to the invention or their
  • the alignment device 17, which can thus serve to receive the device (or the device 5) according to the invention, can be prepared, for example, for this purpose
  • the alignment device 17 further allows the
  • Self-triggering function of the detection device 5 may be provided, which is based for example on a timer.
  • a corresponding function can be programmed. It can alternatively be loaded and saved as an app or the like.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (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 Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

L'invention concerne un procédé pour identifier et enregistrer un état orthodontique ou pour déterminer la nécessité d'un traitement orthodontique, ledit procédé impliquant de disposer d'un dispositif pour enregistrer des données géométriques de l'arcade dentaire supérieure et/ou de l'arcade dentaire inférieure du patient et/ou des données concernant la position maxillaire, ou bien une partie de chacun de ceux-ci; ainsi que d'enregistrer des données géométriques de l'arcade dentaire supérieure et/ou de l'arcade dentaire inférieure et/ou des données concernant la position maxillaire du patient, ou bien des données concernant une partie, une empreinte (11) ou un modèle de chacun de ceux-ci ou une prise d'occlusion; et d'évaluer les données géométriques de l'arcade dentaire et/ou les données concernant la position maxillaire enregistrées. L'invention concerne en outre des dispositifs pour mettre ledit procédé en œuvre.
EP16711782.9A 2015-03-02 2016-03-02 Procédé pour déterminer la nécessité d'un traitement orthodontique et dispositifs associés Withdrawn EP3265017A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015102995.2A DE102015102995A1 (de) 2015-03-02 2015-03-02 Verfahren zum Ermitteln der Notwendigkeit einer kieferorthopädischen Behandlung, sowie Vorrichtungen
PCT/EP2016/054463 WO2016139269A1 (fr) 2015-03-02 2016-03-02 Procédé pour déterminer la nécessité d'un traitement orthodontique et dispositifs associés

Publications (1)

Publication Number Publication Date
EP3265017A1 true EP3265017A1 (fr) 2018-01-10

Family

ID=55628985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16711782.9A Withdrawn EP3265017A1 (fr) 2015-03-02 2016-03-02 Procédé pour déterminer la nécessité d'un traitement orthodontique et dispositifs associés

Country Status (3)

Country Link
EP (1) EP3265017A1 (fr)
DE (1) DE102015102995A1 (fr)
WO (1) WO2016139269A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6089868A (en) * 1998-05-14 2000-07-18 3M Innovative Properties Company Selection of orthodontic appliances
US6607382B1 (en) 2000-09-21 2003-08-19 Align Technology, Inc. Methods and systems for concurrent tooth repositioning and substance delivery
US6733289B2 (en) * 2001-07-30 2004-05-11 3M Innovative Properties Company Method and apparatus for selecting a prescription for an orthodontic brace
US8562338B2 (en) * 2007-06-08 2013-10-22 Align Technology, Inc. Treatment progress tracking and recalibration
DE102011008074A1 (de) * 2011-01-07 2012-07-12 Martin Tank Verfahren und Zahnrestaurationsermittlungssystem zur Ermittlung von Zahnrestaurationen
CN103142317A (zh) * 2011-10-12 2013-06-12 奥姆科公司 正畸对准器的直接制造
CN104127253B (zh) * 2014-08-11 2016-02-03 福州大学 一种具有涂膜厚度补偿的无痕矫治器矫治力测量方法

Also Published As

Publication number Publication date
DE102015102995A1 (de) 2016-09-08
WO2016139269A1 (fr) 2016-09-09

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