4645results about "Othrodontics" patented technology

Method for modeling a patient's dental arch, said method comprising the following steps: a) creation of a historical library containing more than 1,000 tooth models, referred to as "historical tooth models", and assignment to each historical tooth model of a value for at least one tooth attribute, or "tooth attribute value"; b) analysis of at least one "analysis image" of the dental arch by means of a deep learning device, preferably a neural network, so as to determine at least one analysis tooth area and at least one tooth attribute value associated with said analysis tooth area;c) for each analysis tooth area determined in the previous step, search the historical library for a historical tooth model that is as close as possible to the analysis image or to the analysis tooth area, or "optimal tooth model," and preferably has the same value for at least one tooth attribute as said analysis tooth area; d) arrange the set of optimal tooth models to create a model that is as close as possible to the updated image, or "assembled model"; e) optionally, replace at least one optimal tooth model with another tooth model and repeat step d) to maximize the match between the assembled model and the analysis image; f) optionally, repeat step b) with another analysis image and, in steps d) and / or e), search for a maximum match with the set of analysis images used.

A method includes receiving data of a current state of a dental site of a patient, the data comprising a plurality of data items generated from a plurality of oral state capture modalities. The data is processed using a plurality of trained machine learning models that output estimations of one or more oral conditions. The data and / or estimations are processed to generate at least one of a) one or more actionable symptom recommendations for one or more oral health problems associated with the one or more oral conditions or b) one or more diagnoses of the one or more oral health problems. One or more treatment recommendations are generated for treatment of at least one oral health problem based on at least one of the one or more actionable symptom recommendations or the one or more diagnoses.

A dental mouthpiece is provided that may be attached to a high-suction dental adapter for the purpose of assisting the dental staff during dental procedures through chair-side, hands-free suction, and isolation. Such a mouthpiece may comprise a main body portion, a cheek retractor portion, and a suction connector portion. In an embodiment, the main body portion, cheek retractor portion, and suction connector portion may be molded in one piece, preferably by injection molding. The main body portion has an anterior wall inside the curve and a posterior wall outside the curve, and an at least one connector connecting the anterior wall and the posterior wall. The main body portion has an anterior intervening wall and the posterior intervening wall in between the anterior and posterior walls. The anterior intervening wall and the posterior intervening walls have alternating crests and troughs.

A method includes capturing at least one image of a face of a user. The method includes performing preprocessing on at least one image. The method includes receiving a selection of one smile template by the user. The method includes applying the at least one image and the selection to one or more machine learning algorithms. The one or machine learning algorithms are trained to generate one or more modified images that transform a smile based on the selection of one smile template and trained to output one or more procedures required to transform the smile. The method includes transmitting the one or more modified images and the one or more procedures to the user.

A method of the invention comprises obtaining training dental CT scans, identifying individual teeth and jaw bone in each of these CT scans, and training a deep neural network with training input data obtained from these CT scans and training target data. A further method of the invention comprises obtaining a patient dental CT scan, identifying individual teeth and jaw bone in this CT scan and using the trained deep learning network to determine a desired final position from input data obtained from this CT scan. The (training) input data represents all teeth and the entire alveolar process and identifies the individual teeth and the jaw bone. The determined desired final positions are used to determine a sequence of desired intermediate positions per tooth and the intermediate and final positions and attachment types are used to create three-dimensional representations of teeth and / or aligners.

A method includes causing a sheet of plastic to be thermoformed over a mold to form a dental appliance and causing one or more preliminary laser operations to form a laser line in the dental appliance disposed on the mold. The dental appliance is associated with a dental arch of a user. The method further includes causing a one or more post-processing laser operations to smooth at least a portion of the laser line in the dental appliance disposed on the mold.

Systems and techniques for training one or more neural networks to automatically identify one or more aspects of a digital representation used in digital oral care are disclosed including identifying one or more aspects of the first digital representation for which additional processing is to be performed, based on a list of 3D elements, generating a predicted representation by labeling those one or more aspects for which additional processing is to be performed, generating an accuracy score that specifies a difference between the one or more predicted representations and one or more respective reference representations that identify the one or more aspects of the first digital representation for which additional processing is to be performed, and modifying at least one aspect of the neural network based on the accuracy score.

A method is provided for optimizing a dental treatment plan. In some cases, the method can include receiving patient data comprising one or more progress indicators associated with an dental treatment plan, processing the patient data to determine a level of progression associated with the dental treatment plan based on the one or more progress indicators, modifying the dental treatment plan in response to the determined level of progression, and generating a notification of the modified dental treatment plan. In some cases, modifying the dental treatment plan in response to the determined level of progression includes advancing a patient associated with the patient data to a subsequent stage of the dental treatment plan or retaining the patient within a current stage of the dental treatment plan.

The invention discloses a failure restoration retreatment decision-making method based on dynamic occlusion analysis, and the method comprises the steps: constructing a four-dimensional virtual biomechanical model which comprises a patient anatomical structure and a dynamic function through multi-modal data fusion, and enabling the model to be embedded into a real three-dimensional mandibular movement track of a patient to simulate functional movement, thereby breaking through a static analysis blind area, and achieving the real three-dimensional mandibular movement of the patient. The missed diagnosis rate of dynamic interference is reduced; based on quantitative indexes and thresholds such as occlusal contact displacement, occlusal contact distribution symmetry and adjustment quantity of the maximum tooth tip staggering position and the median relation position, experience judgment of doctors is replaced, objectivity, repeatability and accuracy of failure repair and retreatment decision are improved, and excessive or insufficient adjustment is avoided; the treatment effect rehearsal is realized through virtual presetting, the irreversible operation risk is avoided, and the number of times of re-visit and the trial and error cost of a patient are reduced; and meanwhile, the four-dimensional virtual model can be connected with transition and design and manufacturing of a final restoration, so that the accuracy, safety and efficiency of retreatment of a failed restoration are improved.

The method according to one aspect of the present disclosure is a method being performed by an electronic device comprising at least one processor, the method comprising: acquiring at least one two-dimensional scan image by scanning of the three-dimensional scanner and generating a three-dimensional scan data set regarding a subject's oral cavity based on the acquired at least one two-dimensional scan image, the three-dimensional scan data set comprising multiple three-dimensional coordinate values; generating first plane data corresponding to a virtual occlusal plane; determining multiple reference coordinate values based on the three-dimensional scan data set; generating second plane data corresponding to an occlusal plane of the subject's oral cavity based on the multiple reference coordinate values; and aligning the three-dimensional scan data set on the virtual occlusal plane by matching the first plane data with the second plane data.

The dental mouthpiece has a curved shape and includes a main body portion located at the center of the curve and having a first end and a second end, a suction connector portion connected to the first end, and a lip hook portion connected to the second end. The main body portion includes a front wall on the inside of the curve and a rear wall on the outside of the curve. The front and rear walls define an interior space. At least one connector connects the front wall to the rear wall. At least one front intermediate wall extends from the front wall partially toward the rear wall. At least one rear intermediate wall extends from the rear wall partially toward the front wall. The at least one front intermediate wall and the at least one rear intermediate wall each have alternating peaks and valleys.

Methods for designing and fabricating palatal expanders by modeling expansion of the palatal region based on material properties for one or more regions of a maxillary jaw determined from a cone-beam computed tomography (CBCT) scan of the maxillary jaw and / or internal topological information for the maxillary jaw determined from the CBCT scan. Also described herein are series of palatal expanders having a sequence and configured to be sequentially worn by a patient to expand the patient's palate in which the left maxillary portion and the right maxillary portion are progressively separated relative to each other, and the thickness of the palatal region changes.

The invention relates to the technical field of orthodontics, and discloses a processing system and a processing method for a bracket-free invisible orthodontic tooth socket, and the processing system comprises a data collection and integration module which is used for collecting and integrating multi-source data, comprising collection approaches and specific operation processes of oral three-dimensional scanning data, basic information of a patient, clinical examination records, correction scheme records and correction result evaluation; the data standardization and cleaning module is used for carrying out format unification and cleaning on the collected data; and the feature extraction and labeling module is used for extracting tooth form and tooth space relation features from the oral cavity three-dimensional scanning data and labeling the malocclusion and occlusion relation in the oral cavity. The invisible orthodontic tooth socket is manufactured by collecting a large amount of multi-dimensional data including oral three-dimensional scanning data, patient clinical information, orthodontic process records, result evaluation and the like, and the moving path of each tooth in each orthodontic stage and the magnitude and direction of required orthodontic force are accurately predicted.

A dental mouthpiece is provided that may be attached to a high-suction dental adapter for the purpose of assisting the dental staff during dental procedures through chair-side, hands-free suction, and isolation. Such a mouthpiece may comprise a main body portion, a cheek retractor portion, and a suction connector portion. In an embodiment, the main body portion, cheek retractor portion, and suction connector portion may be molded in one piece, preferably by injection molding. The main body portion has an anterior wall inside the curve and a posterior wall outside the curve, and an at least one connector connecting the anterior wall and the posterior wall. The main body portion has an anterior intervening wall and the posterior intervening wall in between the anterior and posterior walls. The anterior intervening wall and the posterior intervening walls have alternating crests and troughs.

The present disclosure relates to a three-dimensional-model generation method and apparatus, and a device and a storage medium. The method comprises: acquiring three-dimensional point cloud data of a target object; acquiring reconstruction parameters for point cloud feature regions in the three-dimensional point cloud data; and performing multi-resolution grid reconstruction on the three-dimensional point cloud data on the basis of the reconstruction parameters for the point cloud feature regions, so as to generate a multi-resolution three-dimensional model of the target object.

The present invention relates to a method for deriving cephalometric parameters for orthodontic diagnosis based on machine learning. More specifically, the present invention relates to a method for deriving cephalometric parameters for orthodontic diagnosis based on machine learning, wherein a machine-learning algorithm is applied after acquiring a 3D cone-beam computer tomography (CBCT) image of a subject data taken in a natural head position, and a plurality of cephalometric landmarks can be precisely and rapidly digitized on the 3D CBCT image in order to derive 13 diagnosis parameters for precise orthodontic diagnosis.

Various implementations of removable dental appliances, including multi-unit veneers to improve the aesthetics and function of a smile of a dental customer, related systems, and computer programs and methods for the design and manufacturing of removable dental appliances are disclosed. For example, surface tension and capillary action between the patient's or customer's teeth, saliva and surfaces of the removable dental appliance are utilized to substantially hold the appliance in place, once inserted. For example, a clip-on fit involving exclusively vestibular-facing undercuts between the patient's or customer's teeth are utilized to substantially hold the appliance in place, once inserted. The appliance is manufactured by additive or subtractive manufacturing technologies and may gain stability from a resin-based coating.

Devices configured for insertion into an oral cavity of a subject for delivery of an agent for a time period are described. The devices are comprised of at least two polymer shells that nest or stack to create a space or gap therebetween. The agent is placed in the gap and is released in a controlled fashion to deliver agent for the time period. Kits comprised of a device and optionally a refill of the agent are also described.

The invention provides a real-time monitoring and analyzing system for tooth orthodontic correction, and relates to the technical field of oral treatment, the real-time monitoring and analyzing system comprises an information capturing system, an intelligent operation system and an appliance dynamic regulation and control system, the information capturing system comprises a three-dimensional oral cavity imager, a health condition evaluator, a multifunctional induction network and a portable monitoring device, the three-dimensional oral cavity imager generates a three-dimensional oral cavity image through triangulation positioning, extracts oral cavity mucous membrane features by combining an improved local binary pattern algorithm and adding an edge enhancement filter, and confirms the identity when the Euclidean distance is calculated to be smaller than a preset threshold value. According to the system, mucous membrane texture features are extracted through combination of the three-dimensional oral cavity imager and the improved LBP algorithm for identity verification, the health condition assessment instrument collects temperature, humidity and pH value every 6 minutes, the portable monitoring device collects pressure and biological signal data, and comprehensive collection of multi-dimensional data is achieved.

The invention relates to a method for evaluating the shape of an orthodontic splint, said method comprising the following steps: - a") acquisition of at least one image representing at least partially the splint in a service position in which it is worn by a patient, called "analysis image";- b") analysis of the analysis image using a deep learning device, preferably a neural network, trained using a training set, so as to determine a value for at least one tooth attribute of an "analysis tooth area" representing, at least partially, a tooth on said analysis image, the tooth attribute being relative to a spacing between the tooth represented by the analysis tooth area, and the groove represented on the analysis image, and / or for an image attribute of the analysis image, the image attribute being relative to a spacing between at least one tooth represented on the analysis image, and the groove represented on said analysis image.;

The invention relates to a system for adapting an orthodontic apparatus intended for a patient, said system comprising the following steps: -a) determining, at a parameterisation time, by a first dental healthcare professional and specifically for said patient, conditions for communicating updated information relating to the configuration of the patient's dentition; -b) acquiring, at an updated time subsequent to the parameterisation time, by means of an acquisition device and by the patient or an acquaintance of the patient, an extraoral depiction of at least one portion of the patient's dental arches, referred to as an “updated depiction”, said updated depiction consisting of a set of images and / or of a three-dimensional digital model; -c) analysing said updated depiction, so as to determine information regarding said dentition configuration at the updated time, or “updated information”, the updated information consisting of a set of information elements, each expressing a status for a relevant treatment aim in light of the updated depiction; -d) communicating the updated information to at least one second dental healthcare professional under the conditions determined in step a); -e) adapting said orthodontic apparatus on the basis of the updated information communicated in step d).

The invention belongs to the technical field of application of an artificial intelligence technology to medical rehabilitation instruments, and relates to a method for designing an orthosis based on an AI artificial intelligence technology, and the method comprises the steps: S1, data collection and preprocessing: converting patient data into structured data; s2, feature extraction: extracting geometric and biomechanical features related to orthosis design, and constructing a feature set; s3, processing the features by using a deep learning model, and predicting personalized parameters; s4, designing and optimizing an orthopedic module, and optimizing pressure distribution; s5, a three-dimensional orthopedic CAD system is developed and deployed, and patient information and orthopedic device design are managed; and S6, evaluation and optimization: fusing clinical data, and optimizing the system according to an evaluation result. According to the method, the AI technology is utilized to improve the design efficiency and the adaptation accuracy, the personalized requirements are met, the rehabilitation effect is optimized, digital management of data and iteration of an AI model are achieved, a treatment basis is provided for rehabilitation medical employees such as a brace teacher and a rehabilitation therapist, and the clinical effectiveness of a rehabilitation treatment scheme is improved.

Methods for additive manufacturing of polymer and metal dental appliances are provided. In some embodiments, a method includes receiving a digital representation of a dental appliance including a first portion to be formed from a polymeric material and a second portion to be formed from a metallic material. The method can include fabricating the dental appliance using an additive manufacturing process. The additive manufacturing process can include depositing a first composition including a precursor of the polymeric material at the first portion of the dental appliance, and depositing a second composition including a plurality of metal particles at the second portion of the dental appliance.

Orthodontic and / or dental treatment planning methods and apparatuses. In particular, described herein are methods of generating a plurality of potential treatment plan variations for the concurrent and interactive review of the treatment plan variations. Treatment settings may be determined based on initial tooth positions and may be arranged in a hierarchy of treatment settings. Each of the plurality of treatment plans may be generated based on a set of treatment settings from the hierarchy of treatment settings. Also described herein are orthodontic and / or dental treatment planning methods and apparatuses that present the plurality of treatment plans to the user to allow a user to select a treatment plan from a plurality of different treatment plans.

A facemask and accessories which overcomes the adverse effects and limitations of current designs by moving the maxilla and mandible in forward direction, which assists in correcting maxillary and mandibular skeletal and dentoalveolar deficiency and help expand the upper airway by advancing the mandible. This is accomplished by a design that is supported only by forehead and produces forces in front of maxilla and mandible. The extra-oral facebow design is characterized by providing two independent force adjustments, one above the forehead and the other one in front of the face by attachments to the upper and lower jaw bones and teeth. In particular, the two independent adjustments are provided by a fully adjustable forehead pad and bilateral adjustable bows on opposite sides of the facebow's extra-oral frame to provide protracting forces.

Various implementations of removable dental appliances, including multi-unit veneers to improve the aesthetics and function of a smile of a dental customer, related systems, and computer programs and methods for the design and manufacturing of removable dental appliances are disclosed. For example, surface tension and capillary action between the patient's or customer's teeth, saliva and surfaces of the removable dental appliance are utilized to substantially hold the appliance in place, once inserted. For example, a clip-on fit involving exclusively vestibular-facing undercuts between the patient's or customer's teeth are utilized to substantially hold the appliance in place, once inserted. The appliance is manufactured by additive or subtractive manufacturing technologies and may gain stability from a resin-based coating.

An intraoral scanner comprises one or more reconfigurable buttons, a display configured to display at least one of one or more icons or one or more texts associated with the one or more reconfigurable buttons, one or more cameras configured to capture intraoral scan data of at least a part of a dental arch, and a communication module configured to transmit the intraoral scan data to a first computing device.

A method includes receiving intraoral scan data of an intraoral cavity of a patient; processing the intraoral scan data to determine, for each dental condition of a plurality of dental conditions, whether the dental condition is detected for the patient and a severity of the dental condition; and presenting indications of the plurality of dental conditions together in a graphical user interface (GUI), wherein the indications show, for each dental condition of the plurality of dental conditions, whether the dental condition was detected for the patient and the severity of the dental condition.

Apparatuses, systems, and methods for importing and / or transferring data, including dental data, from three-dimensional (3D) dental models to two-dimensional (2D) dental images may manipulate the 3D dental model based on a temporomandibular joint. A 2D projected image is generated from a patient's 3D dental model. If the 2D projected image matches (within a threshold) to a patient's 2D dental image (from a photo or the like), then dental data may be transferred. If the 2D projected image does not match, then the 3D dental model may be modified (based on the temporomandibular joint) and a new 2D projected image generated. In this manner, the positions of the 3D dental model may be iterated to generate multiple 2D projected images.

The present invention is related to a dental device (1) intended to cover at least part of a teeth (2) and / or at least part of gums (3) or other surfaces of a mouth for repositioning or retaining said teeth (2) and optionally said gums (3) or other surfaces of the mouth, said dental device (1) comprising a channel (7) provided in a main body (31; 40, 42) of the dental device (1) and having at least one opening (4, 5) to the exterior. The present invention is also related to a method of manufacturing said dental device (1) by additive manufacturing and to methods for circulating a substance and / or saliva and oxygen through the dental device (1) in view of releasing said substance and / or saliva and oxygen inside the mouth.