33 results about "Mandible maxilla" patented technology

The invention provides a condyle positioning device and a lower jaw fixator with the condyle positioning device.The condyle positioning device comprises a condyle positioning component, a tooth retention guide plate and a dividing structure formed between the condyle positioning component and the tooth retention guide plate. Wherein the tooth retention guide plate and the condyle positioning component are of an integrated structure and can be separated along the segmentation structure, the condyle positioning component is suitable for being fixed to the front edge of the ramus of the mandible of a patient, and the tooth retention guide plate is manufactured based on the tooth form of the mandible part of the patient and fixed to the corresponding dentition. The condyle positioning component is connected with the lower jaw fixator through a mortise and tenon joint structure so as to position the specific position of the condyle of the patient after the lower jaw operation.

The present invention provides an osteosynthesis plate for fixing bone fragments in the repair of bone, particularly the mandible. [Solution] The plate body P comprises a plate body having at least one bridge portion BU used to bridge a gap S extending between bone fragments K1, the plate body comprising fixing portions BA1, BA2 each associated with at least one fixing point, at least one fixing point BP1, BP2 of the fixing portions formed on an island portion IA, the island portion being connected to each associated fixing portion only via spring segments FS1, FS2 which allow elastically restorable relative displacement between each fixing portion and each island portion, at least one of the spring segments causing relative displacement between the island portion and the associated fixing portion when a load is applied in the principal loading direction of the bone, and increasing the distance between the island portion and at least one bridge portion.

The invention relates to the technical field of oral tooth sockets, in particular to an oral bow adaptive adjusting tooth socket for stopping snore, which comprises an adaptive foundation, the adaptive foundation is used for fixedly adjusting the relative position relation of a connecting mechanism and a tooth socket assembly, and a connecting part is used for adjusting the tooth socket tension between an upper part and a lower part; the tooth socket assembly is composed of an upper tooth socket and a lower tooth socket and used for fixing the position of the mandible at different tooth positions adaptive to the foundation, and latticed lines and a plurality of T-shaped protrusions are distributed on the two sides of the upper tooth socket and the two sides of the lower tooth socket; the connecting mechanism is respectively connected with the tooth socket assembly and the adaptive foundation and is divided into an asymmetrical U-shaped upper part and an asymmetrical U-shaped lower part, trapezoidal latches are arranged on two sides of the U-shaped upper part and the U-shaped lower part, a plurality of adjusting holes are formed in the U-shaped bottom end, convex slide fasteners are arranged on two sides of the adjusting holes, and the tooth socket assembly can be clamped at different tooth positions of the adaptive foundation by the connecting mechanism. The distance between the upper jaw and the lower jaw is adjusted by moving the tooth positions and the connecting hole positions, and the device adapts to different oral cavity bow channel widths.

The invention relates to a system and / or an apparatus for an improved helmet system that may help reduce the severity of injuries by enhancing overall helmet protection through uniquely designed facemasks and facemask bumpers. The facemask and facemask bumpers that are particularly adapted to redistribute pressure and impact forces, decrease vibration, sudden shock, noise and / or the peak forces transmitted from the facemask to the rest of the helmet system. The facemask bumpers may be disposed into specific regions of the facemask, including the brow region, the glabella region, orbit region, the frontal region, the mandible (front, right and / or left side) region, the maxilla region, the nasal region, zygomatic region, the ethmoid region, the lacrimal region, the sphenoid region and / or any combination thereof.

The invention discloses a method for establishing a mouse radioactive jawbone injury animal model, which comprises the following steps of: performing tooth extraction operation, performing radiation treatment after one day, and performing Micro-CT (Computed Tomography) scanning, intraoral examination and histopathologic detection on the lower jawbone on the thirteenth day after radiation so as to determine that the radioactive jawbone injury mouse model is successfully constructed. The animal model has the advantages that the pathological process of human early radioactive jaw necrosis is accurately simulated; the model is stable, good in repeatability and suitable for large-scale experimental research; and a reliable, short-cycle and convenient-to-operate animal model is provided for the mechanism research of radioactive jaw necrosis and the development of new drugs.

Disclosed herein is a method for acquiring a dental object of a patient with an object volume, in particular at least a part of a skull, an upper jaw and / or a lower jaw. To do so, a plurality of segment volume ranges are defined in the object volume, where the segment volume ranges overlap at most partially and directions of the segment volume ranges are not parallel to one another. The image data of the segment volume ranges is recorded by an MRI machine within a measuring volume of the MRI machine. A two-dimensional composite image is generated from the image data of the individual segment volume ranges by projecting the image data onto a target plane. The target plane is disposed parallel to a defined midsagittal plane of the skull or corresponds to the midsagittal plane, where a first segment volume range at least partially includes the midsagittal plane of the skull.

The invention relates to a manufacturing method of silica gel snore-preventing equipment, and belongs to the technical field of medical products. The method comprises the following steps: S1, data acquisition and modeling; s2, registering: registering the three-dimensional tooth jaw model with a skull side position sheet to realize space alignment of the tooth jaw model and airway soft tissue; s3, measurement and analysis: measuring airway clearance, tongue shape and jaw position parameters; s4, personalized correction: automatically setting the protraction amount and the vertical opening amount of the lower jawbone according to the measurement result, designing the dental arch expansion width according to the WALA ridge and the FA point, and designing the inclined plane angle of the tongue induction screen to guide the tongue body to move forwards and upwards; and S5, manufacturing. The limitation that a traditional snore preventing device can only move the lower jaw forwards singly is broken through, the three-dimensional comprehensive expansion of the length, the width and the height of the airway is achieved by cooperatively regulating and controlling the three-dimensional posture of the lower jawbone, the width of the dental arch and the posture of the tongue body, the airway volume is effectively increased, the ventilation efficiency is improved, and the correction effect on OSAHS is remarkably improved.

The invention discloses a preparation method of a 3D printing PEEK network stent for repairing large-scale defects of lower jawbone, and belongs to the field of biomedical engineering and mouth rehabilitation, and the preparation method comprises the following steps: reversely deducing the elastic modulus required by the stent in a specific area according to local stress distribution by introducing a mechanical calculation formula, further optimizing the microstructure of the stent, and obtaining the 3D printing PEEK network stent for repairing the large-scale defects of the lower jawbone. And the stent can dynamically meet the growth requirement of bone tissues in the whole repair process, so that the regeneration of endogenous bones and blood vessels is effectively promoted.

The invention relates to an adjustable ophthalmology view inspection device, which comprises a view meter main body, the front end of the view meter main body is provided with an inspection cavity, one side of the view meter main body is provided with a display screen and a transponder, and the lower part and the upper part of the front end of the inspection cavity are respectively provided with a lower mounting box and an upper mounting box; a lower moving seat and a lower driving part capable of driving the lower moving seat to horizontally move are arranged in the lower mounting box, a lower jaw support is arranged on the top surface of the lower moving seat, and two lower jaw clamping plates are symmetrically arranged on the lower moving seat. The head fixing device has the advantages that the first bidirectional driving part and the second bidirectional driving part are used for driving the lower jaw clamping plate and the forehead clamping plate to be clamped at the lower jawbone and the forebone of a patient respectively, and the head of the patient is fixed. The head of a patient is directly fixed in a physical fixing mode, shaking of the head of the patient due to tension and the like is avoided, examination errors are reduced, and the probability that examination results are distorted, invalid and even cancelled can be effectively reduced.

The invention discloses an accessory adjusting method and device of an orthodontic appliance, electronic equipment and a computer readable storage medium. The method comprises the following steps: identifying a rotation reference point of a lower jawbone of a user and a current position of a target tooth of the user; determining a first rotation radius of the target tooth according to the current position and the lower jawbone rotation reference point; the standard thickness of the orthodontic appliance is obtained, and the lower jawbone rotation angle of the user is determined according to the first rotation radius and the standard thickness; according to the rotation angle of the lower jawbone, the correction amount of the orthodontic appliance on to-be-adjusted teeth is determined, and the to-be-adjusted teeth are teeth except the target teeth in the oral cavity of the user; the height of the accessory corresponding to the tooth to be adjusted is adjusted based on the orthodontic amount, so that the accessory height of the orthodontic appliance is matched with the orthodontic amount, passive lowering of the second molar due to point contact can be prevented, occlusion alignment of the upper jaw and the lower jaw is improved, and stable occlusion contact of the teeth of the upper jaw and the lower jaw in the process of wearing the orthodontic appliance is ensured.

A system having a skull tracking bracket; a mandible motion tracking bracket; a motion detecting camera; an electromyography sensors adapted to detect and measure facial muscle activation data and transmit the data to the computerized controller; an audio sensor carried by the subject and adapted to detect and measure sound data associated with jaw (and joint) movement data and transmit the data to the computerized controller; a bite force sensor adapted to detect and measure static and dynamic bite force data; a pain push-button switch (or other sensor) adapted to be activated by the subject when experiencing pain; and a computerized controller is adapted to receive motion data, facial muscle data, joint sound data, static and dynamic bite force data, pain data, and received a set of three-dimensional images of the subject, overlay the detected motion with the three-dimensional image and display the overlay.

The invention discloses a digital periodontal soft tissue prognosis prediction method, an aesthetic design method and a system, and the method comprises the steps: obtaining original CBCT image data, carrying out the data processing, obtaining a three-dimensional data model, carrying out the recognition, segmentation and post-processing of a hard tissue anatomical structure in the three-dimensional data model, and obtaining the three-dimensional digital model data of a tooth root and upper and lower jawbones; the method comprises the following steps: acquiring original scanning image data, converting the acquired original scanning image data into point cloud data, and performing optimization processing and feature extraction on the point cloud data to obtain a dental crown and gingival soft tissue three-dimensional digital model; registering and fusing the three-dimensional digital models of the tooth root and the upper and lower jawbone as well as the dental crown and the gingival soft tissue to obtain an initial three-dimensional digital oral cavity anatomical model, carrying out geometric operation, and carrying out stretching treatment by utilizing a Laplace surface editing algorithm to obtain a three-dimensional digital oral cavity model; and performing visual display and interactive analysis on the initial three-dimensional digital oral anatomical model and the three-dimensional digital oral model, and predicting a prognosis effect.

The application discloses a kind of orthodontic appliance after orthognathic surgery without bracket, including: upper jaw appliance and lower jaw appliance, and several pads, several pads are located in the opposite side of upper jaw appliance and lower jaw appliance, to make upper jaw appliance and lower jaw appliance exist occlusal clearance.Therein, at least one pad is provided with guide structure along occlusal direction, for making upper jaw appliance and lower jaw appliance keep preset relative position in occlusion state. On the one hand, by setting pad, upper jaw appliance and lower jaw appliance can be blocked to avoid individual tooth contact to form fulcrum swing, leading to unstable occlusion of upper and lower jaw bones;On the other hand, upper and lower dentition is unique in rest position, reduce the force of appliance on teeth and affect the stability of jaw bone. In addition, the application realizes that during use, it can avoid the displacement of upper and lower jaw bones caused by intermaxillary traction, consolidate the purpose of orthognathic treatment effect.

Abstract OSTEOSYNTHESIS PLATE The invention relates to an osteosynthesis plate (OP, OPʹ, OP", OP"ʹ), which is provided for a fixation of bone fragments (K1, K2) for the restoration of a bone (K), in particular a mandible, comprising a plate body (P, Pʹ), wherein the plate body (P, Pʹ) has at least one bridge section (BU, BU1, BU2) which is used to bridge a gap (S) extending between the bone fragments (K1, K2), wherein the plate body (P, Pʹ) is equipped with fixation sections (BA1, BA2, BA1ʹ, BA2ʹ, BA3ʹ) with each of which at least one fixation point (BP1, BP2, BP1ʹ, BP2ʹ, BP3ʹ) is associated, wherein the at least one fixation point (BP2, BP1ʹ, BP2ʹ) on at least one of the fixation sections (BA1, BA2, BA1ʹ, BA2ʹ, BA3ʹ) is formed on an island section (IA, IAʹ) which is connected to the respective associated fixation section (BA2, BA1ʹ, BA2ʹ) exclusively via spring segments (FS1, FS2, FS1ʹ, FS2) which permit a relative displacement of the respective fixation section (BA2, BA1ʹ, BA2ʹ) and of the respective island section (IA, IAʹ) relative to one another in an elastically resilient manner, wherein at least one of the spring segments (FS1, FS2, FS1ʹ, FS2) is aligned in such a way that, when a load (B) is applied in a main loading direction of the bone (K), a relative displacement takes place between the island section (IA, IAʹ) and the fixation section (BA2, BA1ʹ, BA2ʹ) associated with this island section (IA, IAʹ), during which a distance between the island section (IA, IAʹ) and the at least one bridge section (BU, BU1) increases. FIG. 1A Abstract FIG. 1A 20 25 27 15 58 01 D ec 2 02 5 A b s t r a c t 2 0 2 5 2 7 1 5 5 8 0 1 D e c 2 0 2 5 KLS0047P K1 BP1 K S IA D1 FS2 K2 BP2 S21 GS1 S11 P SM1 1 / 6 BA1 DO1 BU FS1 OP D2 OS DO2 BA2 S12 GS2 S22 Fig. 1A 2024-12-19 20 25 27 15 58 01 D ec 2 02 5 2 0 2 5 2 7 1 5 5 8 0 1 D e c 2 0 2 5 K L S 0 0 4 7 P 2 0 2 4 - 1 2 - 1 9

The present invention provides an osteosynthesis plate for fixing bone fragments in the repair of bone, particularly the mandible. [Solution] The invention comprises a plate body P, the plate body having an upper surface OS and a lower surface for positioning the plate body on bone fragments K1 and K2, the plate body having a plurality of fixing parts BA1 and BA2, the bone fixation plate OP being fixed to the bone fragments at the lower surface of the plurality of fixing parts, each of the plurality of fixing parts being associated with at least one fixing point BP1 and BP2, at least one fixing point of the fixing parts being formed on an island part IA, the island part being connected to the relevant fixing part of the plate body only via spring segments FS1 and FS2 that allow elastically restorable relative displacement between each fixing part and each island part, and the spring segments asymmetrically surrounding the fixing point associated with the spring segments.

The application discloses a kind of implant navigation methods, systems, electronic equipment and storage medium for oral medicine image AI maxillofacial reconstruction, belong to oral medicine image processing and intelligent implant planning field.The method obtains oral CBCT data, after pre-processing, automatic segmentation is carried out to dentition, maxilla, mandible, inferior alveolar nerve canal and maxillary sinus and other key anatomical structures, and three-dimensional reconstruction is carried out;Determine the candidate implant region based on the spatial relationship of dangerous anatomical structure and edentulous area, optimize the position, angle and length of implant under the preset safety constraint, and then generate implant guide plate design parameters and three-dimensional model.The scheme can improve the efficiency of preoperative planning of oral implantation, the accuracy of key structure identification and clinical safety.

The utility model discloses a head fixing body position frame, and particularly relates to the technical field of head fixing frames, the head fixing body position frame comprises a soft cushion, a lower jawbone groove used for being attached to the lower jawbone of a patient is machined at the rear end of the soft cushion, rotating rods are fixedly arranged on the two sides of the soft cushion, mounting plates are arranged on the outer walls of the two rotating rods in a sleeved mode, adjustable screws penetrate through the two mounting plates, and the lower jawbone groove is matched with the lower jawbone of the patient. And one ends of the adjustable screws penetrate through the mounting plates and abut against the outer wall of the soft cushion, supporting assemblies are fixedly arranged at the bottom ends of the two mounting plates, and each supporting assembly comprises a first support fixed to the bottom end of the corresponding mounting plate. The silica gel cushion is used for fixing and limiting the head of a patient, the phenomenon that the head of the patient shakes to interfere with normal operation can be effectively avoided, in this way, medical workers do not need to support the jaw of the patient with hands for fixing, the workload of the medical workers is greatly relieved, and in addition, the cushion can be flexibly rotated by loosening the adjustable screw, and operation is convenient. And the raising angle of the head of the patient is changed so as to meet the requirements of different operative positions.

The invention provides a method for generating a digital jaw pad based on joint intelligent interaction system navigation, which comprises the following steps of: acquiring multi-modal data of a patient and inputting the multi-modal data into a multi-modal fusion model to generate a digital dental three-dimensional model and an analysis result, iteratively adjusting the position of the lower jawbone of the digital dental three-dimensional model to a treatment position by adopting a multi-objective optimization algorithm; processing the port scanning STL data through an intelligent design engine to obtain an undercut area; the digital jaw pad is manufactured based on the position and the undercut area of the lower jawbone of the treatment position. The high-precision digital jaw pad is generated based on navigation of a full-process closed-loop joint intelligent interaction system fusing multi-modal data, dynamic evaluation, intelligent design and precise preparation.

BIOACTIVE BONE GRAFTS FOR MAXILLARY AND MANDIBLE BONE REGENERATION AND AUGMENTATION. A bioactive bone graft or bone graft consisting of: a. freeze-dried bovine bone scaffold (FDBB); and, b. secretome derived from human umbilical cord mesenchymal stem cells (hUCMSC). Where the secretome is impregnated into the scaffold (FDBB scaffold) to produce a bioactive bone graft or bone graft for bone regeneration and augmentation.

The invention relates to the technical field of orthodontics, and discloses an artificial intelligence-based orthodontic scheme automatic design system, which comprises a data acquisition module, an AI preprocessing module, an AI orthodontic design module, a sense of reality rendering module and a Web interaction platform module. According to the artificial intelligence-based orthodontic scheme automatic design system and the application method, a model standardization unit of an AI preprocessing module firstly extracts convex hull intersection of upper and lower jawbones and teeth, calculates a rotation matrix orthodontic tooth model and generates a cutting template to remove redundant patches, and then extracts point cloud geometric features through a TSegNet network of an AI segmentation unit; precise segmentation is completed in combination with a double-stage segmentation sub-network, and manual adjustment is replaced; a target position prediction unit of the AI orthodontic design module predicts an ideal tooth position by improving a BP neural network and combining oral biomechanical constraints, and a path planning unit divides orthodontic steps and calculates a moving path by adopting a dynamic planning algorithm so as to provide a biomechanical basis for target position prediction.

The invention provides a method for reconstructing an occlusion guide plate of a dentition support, which can solve the problem of occlusion fixation caused by incomplete dentition after a mandible fracture occurs, can fully consider the characteristics of mixed dentition and tooth embryo of children, and can perform customized design according to individual differences of patients. According to the technical scheme, the method comprises the steps that oral cavity data of a patient are obtained, and the obtained oral cavity data comprise deciduous dentition, mixed dentition and tooth embryo positions; three-dimensional reconstruction is carried out on oral cavity data to generate an upper jawbone model, a lower jawbone model, a dentition model and a tooth embryo model, the reconstruction of the occlusion relationship of a child patient suffering from the lower jawbone fracture needs to be realized by anatomical reduction of a fracture line and relative position characteristics of upper teeth and lower teeth during occlusion of an apical fossa, and under the computer-aided design, the reconstruction of the occlusion relationship of the child patient suffering from the lower jawbone fracture is realized. Performing reconstruction and simulated reduction on the mandible model by establishing upper and lower apical fossa occlusion through simulated reduction; generating an occlusal guide plate model through computer digital design of the simulated reset mandible model and the dentition model, and promoting occlusal relationship recovery of a dental crown part of the occlusal guide plate model by adopting tailoring design; a pore channel is established on the occlusion guide plate model based on Boolean operation, the pore channel is established based on anatomical characteristics of the lower jawbone of the patient and the dentition deletion condition, and the position of the pore channel and the position of the tooth embryo are not overlapped.

The application relates to the field of artificial intelligence medical image processing technology and discloses a three-dimensional intelligent jaw bone absorption rate dynamic change monitoring method based on CBCT. CBCT data is used for three-dimensional image analysis, a deep learning model is used to automatically segment teeth, tooth enamel, maxillary bones and mandibular bones, the enamel-dentin junction and the top base of periodontal bone defects are automatically identified, the position of tooth root tips is automatically located, and the local bone absorption rate is calculated.

An extraoral orthopedic device (1) for the direct protraction of the maxilla and the direct or indirect protraction of the mandible, comprising: two metallic girders, one mouth girder (4), which is coupled through traction means (5) with an intraoral mechanism (6) and one connecting girder (3), which couples the said mouth girder (4) with a skeletal support wreath (2), placed and supported on the neurocranium (9) by means of its precision to the anatomy of it and the two elastic fixation straps (7) passing around the shoulders and through the axillae (8), wherein a) said skeletal support wreath (2), individually designed using the 3D digital imprint of a person's head and a computer, comprises first means of adjustment and support (12, 13, 14, 15) in order to ensure the optimal placement of the said connecting girder (3) and first means of support (17) aiming at its fixation to the neurocranium (9) by means of the straps (7), b) the said mouth girder (4) comprises first means of adjustment (25) and support (21, 22, 24) aiming at its ergonomic placement into the said connecting girder (3), thus ensuring optimal direction of the traction means (5) individualized to each person.

The application relates to an invisible aligner based on an oral and maxillofacial system digital twin and a design method thereof, and relates to the technical field of oral orthodontics and temporomandibular joint function correction. The application comprises the following steps: collecting multi-source data of an oral and maxillofacial system of a patient; constructing a digital twin model of the oral and maxillofacial system; analyzing the state of the tooth arrangement, the jaw bone and the temporomandibular joint of the patient, determining the spatial difference between the initial occlusion position and the ideal treatment jaw position of the patient; adjusting the position of the mandibular bone and the temporomandibular joint to determine the treatment jaw position; digitally arranging teeth based on the treatment jaw position; superimposing the initial tooth arrangement and the target tooth arrangement of the treatment jaw position to generate a treatment path; designing an invisible aligner based on the serialized treatment steps; generating manufacturing data and preparing the invisible aligner; and digitally reviewing and adjusting the treatment plan during the treatment process. The application can improve the accuracy, predictability and long-term stability of the invisible aligner treatment plan, reduce the risk of temporomandibular joint disorders and occlusal disorders, and improve the clinical treatment effect of complex orthodontic cases.

1. Osteosynthesis plate (OP; OP'; OP''; OP'''), which is intended for fixing bone fragments (K1, K2) for the reconstruction of a bone (K), in particular a mandible, comprising a plate body (P; P') with a top (OS) and a bottom, on which the plate body (P; P') is to be placed on the bone fragments (K1, K2), wherein the plate body (P; P') has several attachment sections (BA1, BA2; BA1', BA2', BA3'), on which attachments of the osteosynthesis plate (OP; OP'; OP''; OP''') are to be made on the underside by the bone fragments (K1, K2) and to which at least one attachment point (BP1, BP2; BP1', BP2', BP3') is assigned, wherein the at least one attachment point (BP2; BP2', BP3') is located at at least one of the attachment sections (BA1, BA2; BA1', BA2', BA3') is designed on an island section (IA) which is connected to the associated fastening section (BA2; BA2', BA3') of the plate body (P;P') is connected exclusively via spring segments (FS1, FS2) which allow a relative displacement of the respective mounting section (BA2; BA2', BA3') and the respective island section (IA) to each other in an elastically resilient manner, wherein the spring segments (FS1, FS2) surround their assigned mounting point (BP2, BP2', BP3') asymmetrically.;

Osteosynthesis plate (OP, OP', OP'', OP'''') for the fixation of bone fragments (K1, K2) for the reconstruction of a bone (K), in particular a mandible, comprising a plate body (P, P'), wherein the plate body (P, P') has at least one bridging section (BU, BU1, BU2) for bridging a gap (S) running between the bone fragments (K1, K2), wherein the plate body (P, P') is equipped with attachment sections (BA1, BA2, BA1', BA2, 'BA3'), each of which is assigned at least one attachment point (BP1, BP2, BP1', BP2', BP3'), wherein the at least one attachment point (BP2, BP1', BP2') is located on an island section (IA, IA') in at least one of the attachment sections (BA1, BA2, BA1', BA2, 'BA3'). is designed, which is connected to the respective associated fastening section (BA2, BA1', BA2') exclusively via spring segments (FS1, FS2, FS1', FS2),which allow a relative displacement of the respective attachment section (BA2, BA1', BA2') and the respective island section (IA, IA') relative to each other in an elastically resilient manner, wherein at least one of the spring segments (FS1, FS2, FS1', FS2) is oriented such that, under a load (B) in a principal load direction of the bone (K), a relative displacement occurs between the island section (IA, IA') and the attachment section (BA2, BA1', BA2') assigned to this island section (IA, IA'), whereby the distance of the island section (IA, IA') to the at least one bridge section (BU, BU1) increases.

The invention relates to a working model to perform a dental prosthesis for a tooth stump, comprising a model mandible with teeth made from resin by means of 3D printing and a detachable model tooth stump. The model tooth stump comprises a main body made from resin by means of 3D printing and a rigid insert introduced in a housing formed in said main body. First fixing means comprised in the rigid insert cooperate with second fixing means, passing through the through holes made in the model mandible with teeth, for integrally attaching the model tooth stump to the model mandible with teeth in a detachable manner.

Removable prosthesis for orthodontic aligner devices, set of removable prostheses for aligner kit, and method of manufacturing the prostheses. The present invention belongs to the field of devices for orthodontic treatments, and was developed with the objective of providing aesthetic rehabilitation conditions to edentulous patients during the use of orthodontic aligners by means of prostheses (10) for edentulous regions (31) of the mandible or maxilla, which comprise one or more tooth-shaped structures (11) molded in a single piece or sectioned tooth by tooth, such prostheses (10) simultaneously cooperating in a removable manner: with one or more orthodontic aligner devices (20) of a treatment kit, with the space available in the edentulous region (31), and with the patient's gum (33).

This invention belongs to the field of medical image processing technology and discloses a deep learning-based method for detecting the lingual canal in CBCT data. The specific steps are as follows: S1: Extract mandibular slice images from CBCT data; automatically segment the tooth region in the CBCT data using a three-dimensional segmentation model, determine the target region containing the lingual canal based on the spatial distribution of the teeth, and generate equidistant continuous two-dimensional slices within this range along the x-axis. Automatically extracting the tooth region using a three-dimensional segmentation model and determining the target region containing the lingual canal accordingly avoids the manual selection of slices or regions in traditional methods, significantly improving the automation and consistency of the detection process; using a deep learning model to detect the lingual canal in the mandibular slice images, enhancing local contrast through preprocessing, and combining confidence screening and non-maximum suppression strategies effectively improves the accuracy of the lingual canal candidate boxes.