29 results about "Tooth site" patented technology

A system comprises an intraoral scanner, a three-dimensional (3D) image capture device, and a computing device operatively coupled to the intraoral scanner and to the 3D image capture device. The computing device receives intraoral scan data of a dental site of a patient generated by the intraoral scanner during intraoral scanning. The computing device further receives one or more 3D images of a face of the patient generated by the 3D image capture device during the intraoral scanning, wherein the intraoral scanner is captured in the one or more 3D images. The computing device registers the one or more 3D images of the face of the patient to the first intraoral scan data based at least in part on a first position of the intraoral scanner relative to the face of the patient in the one or more 3D images.

Embodiments of the present disclosure relate to a data processing method and apparatus for an implant tooth, a device, and a medium. The method comprises: in response to a scanning operation on a target tooth site into which a drilling needle is drilled, obtaining scanning data of the drilling needle; and designing and obtaining a dental crown and an abutment of the target tooth site on the basis of the scanning data of the drilling needle so as to carry out a tooth placement operation at the target tooth site on the basis of the dental crown and the abutment. By adopting the described technical solution, after the drilling operation of the drilling needle on a tooth, an overall scanning operation of the tooth into which the drilling needle is drilled is carried out to obtain the scanning data of the drilling needle, and the dental crown and the abutment designed and obtained on the basis of the scanning data of the drilling needle are the final dental crown and abutment, so that the tooth placement operation can be directly carried out.

The invention discloses a real-time monitoring-based implant operation pain self-adaptive regulation and control method and system, and belongs to the field of biomedical engineering. The method comprises the following steps: establishing a tooth position-myoelectricity mapping relation according to an implant tooth position, and deploying bilateral myoelectricity electrodes to establish an individualized myoelectricity baseline; event-related myoelectricity response and skin conductance response are calculated, and pain side positioning is carried out; evaluating the anxiety level, and quantifying and correcting the pain intensity; based on the corrected pain intensity index and anxiety level index, performing state comprehensive judgment by adopting fuzzy logic; self-adaptive regulation and control including cognitive intervention, physical intervention, drug intervention and joint regulation and control are executed according to the state judgment result, and hierarchical upgrading is carried out according to the regulation and control effect. According to the invention, scientific distinguishing between pain and anxiety, accurate positioning of pain side identification and closed-loop self-adaptive regulation and control are realized.

The application relates to a semi-solid denture frame which comprises two retention clamps, two connecting bodies and a tooth site support; the two connecting bodies are located between the two retention clamps along a first circumferential direction; the tooth site support is located between the two connecting bodies along the first circumferential direction and is used for supporting a false tooth and a base at a missing tooth site; the connecting body comprises a connecting part and a plug-in part; the connecting part is fixedly connected with the retention clamp; the plug-in part is connected and locked at a first position or a second position on the connecting part; one end of the plug-in part, which is away from the connecting part along the first circumferential direction, is provided with a second retention groove which penetrates through the upper end of the connecting part along a first direction; two connecting protrusions are fixed on the tooth site support and are slidably embedded into the two second retention grooves along the first direction, so that the tooth site support is fixedly connected with the connecting body. The semi-solid denture frame has the effect of mounting the false tooth in the oral cavity.

This image is designed to show electric toothbrush users their oral health and the correct brushing technique during oral care. Pin marks are placed on the teeth where the user is concerned (e.g., swollen gums or cavities), allowing them to check the condition of their oral cavity.

Methods and systems are described that generate three-dimensional (3D) measurements from points in two-dimensional (2D) images. An example method includes determining an alignment between a 2D image of a dental site and a 3D surface of the dental site, determining a first point and a second point in the 2D image, projecting the first point and the second point onto the 3D surface based on the alignment between the 2D image and the 3D surface, performing a measurement of a distance between the projected first point and the projected second point on the 3D surface, and displaying at least one of a) a first visualization of the measurement on the 2D image or b) a second visualization of the measurement on the 3D surface.

In a method of processing intraoral scan data includes receiving intraoral scan data comprising one or more intraoral images of a portion of a dental site generated using structured light projection during intraoral scanning of the dental site, generating a three-dimensional (3D) point cloud of the portion of the dental site using the intraoral scan data, detecting one or more regions of the 3D point cloud comprising a bodily fluid, removing the one or more regions from the 3D point cloud, updating a 3D surface of the dental site using the 3D point cloud of the portion of the dental site, and outputting the 3D surface of the dental site to a display.

The application relates to a method for automatically generating a tooth small coordinate Z axis, which comprises the following steps: S1, calculating the centroid of a crown grid according to the crown grid split by tooth splitting software; S2, obtaining root point data of each tooth site according to CBCT data; S3, calculating a local Z axis DirZ of the tooth; S4, calculating the Z axis of each tooth site of all data, and then calculating the average Z axis of each tooth site; and S5, establishing the Z axis of the crown data without tooth roots by using the average Z axis method. According to the application, the real Z axis is calculated by using the existing data of a scanned crown and real root point data, and the average value is calculated, so that the Z axis close to the real Z axis can be obtained without CBCT data, and the stable and high-accuracy Z axis data can be generated. The application can greatly improve the efficiency of axis setting of a tooth splitter, and can automatically generate the Z axis coordinate of the tooth, thereby providing a basis for subsequent tooth arrangement and other functions.

An electric toothbrush control apparatus, an electric toothbrush, and a control method. In the control method and the control apparatus, a control module (1) is connected to a motor drive circuit (2), and the motor drive circuit (2) is connected to a motor module (3); the control module (1) responds to a mode instruction carrying a working mode, generates a motor drive signal corresponding to the working mode, and inputs the motor drive signal into the motor drive circuit (2), wherein working modes include an oscillating mode, a vibrating mode, and an oscillation-vibration mode; the motor drive circuit (2) responds to the motor drive signal to drive the motor module (3) to operate in the working mode. This solves the problem in the prior art that relying solely on high-frequency vibration for teeth cleaning easily leads to missing areas of teeth to be cleaned, resulting in incomplete teeth cleaning.

The invention relates to the technical field of toothbrushes, in particular to an electric toothbrush control device, an electric toothbrush and a control method.In the control method and the control device, a control module is connected with a motor driving circuit, the motor driving circuit is connected with a motor module, and a mode instruction carrying a working mode is responded through the control module; generating a motor driving signal corresponding to the working mode, and inputting the motor driving signal into a motor driving circuit; the problem that in the prior art, tooth cleaning is achieved only through high-frequency vibration, tooth parts to be cleaned are prone to being omitted, and consequently tooth cleaning is not comprehensive is solved. By adopting the motor module provided by the invention, the control mode of the driving motor is simplified, and the problems that the existing sweeping vibration type electric toothbrush is driven by a servo motor, the control mode is complicated, the production cost is high, and the reliability is lower than that of a vibration type toothbrush are solved.

A scanning system comprises an intraoral scanner to capture scan data of a dental site and a computing device to generate a 3D rendering of the dental site. The scanner comprises one or more input devices configured to provide manual interaction with the computing device, where: a first activation of the input device(s) causes the scanning system to enter an inspection mode in which a view of the 3D rendering is adjustable based on movements of the intraoral scanner; and a second activation of the one or more input devices causes the scanning system to enter an overlay mode, wherein the computing device is to present a menu visualized on top of the 3D rendering on the display while the scanning system is in the overlay mode, the menu comprising one or more instructions for use of the intraoral scanner to control a user interface of the scanning system.

The invention provides a mouthpiece for dental cleaning system and the dental cleaning system itself. The mouthpiece has a base and inner and outer arches. An actuator is for applying motion to the inner arch and / or the outer arch, relative to the base. A coupling arrangement converts motion of one of the inner and outer arches in one direction relative to the base to motion in an opposite direction relative to the base of the other of the inner and outer arches. By forming the mouthpiece as a central stationary base enveloped by two contour-following and moving arches, an anti-phase brushing motion at opposite tooth sites along the tooth arch is enabled, giving increased reach toward the molars as well as a reduction in device vibration in the mouth.

The utility model relates to the technical field of oral cavity restoration, and discloses a tooth filling forming clamp convenient to use, which comprises two clamping arms and two beak edges, the two beak edges are respectively arranged on the sides, close to each other, of the two clamping arms, the vertical height difference between the two beak edges is 3mm, and the width of the two beak edges is 10mm. And the beak edge is set to have different widths according to different clamped tooth positions. According to the utility model, through the unique design of the beak edges with one high part and one low part and the height difference of 3mm, hyperplasia gingiva can be pushed away in a non-invasive manner, so that wounds caused by traditional gingival resection are avoided, and the pain of a patient and the risk of postoperative complications are reduced; the diversified beak edge widths are adaptive to different tooth positions, so that the clear operation view is ensured, and the repairing precision is improved. Meanwhile, holes are formed in the clamping arms, so that the weight is reduced, the clamping wings are convenient to control, the connecting blocks and the clamping bows provide stable elastic support, the flexibility and stability of surgical operation are guaranteed, and the clinical treatment efficiency and the repair success rate are remarkably improved.

The invention discloses a three-dimensional surface scanning data modeling intelligent interactive fusion method and device and a storage medium. The method comprises the following steps: collecting a visible light image and a near-infrared light image of the face of a patient at the same time; generating an epidermis three-dimensional grid model based on the visible light image and extracting subcutaneous tissue structure data based on the near-infrared light image; acquiring a multi-angle scanning image of teeth of a patient, and generating a tooth part three-dimensional model; extracting a tooth region contour; segmenting tooth area three-dimensional data matched with the tooth area contour from the tooth part three-dimensional model; and performing data fusion on the three-dimensional mesh model of the epidermis, the subcutaneous tissue structure data and the three-dimensional data of the tooth area to generate a three-dimensional facial anatomical structure model. The method solves the problem that in the prior art, subcutaneous tissue structure information is lacked, and can be used for assisting medical staff in treatment safety assessment and low-risk treatment planning and simulating dynamic change expressions caused by facial muscle movement.

The utility model relates to the field of oral cavity cleaning, and discloses an oral cavity cleaning device with a protection effect, which comprises a water pumping head, a water storage rod is arranged on the lower surface of the water pumping head, a water spraying head is arranged on the upper surface of the water pumping head, a protection assembly is arranged on the outer wall of the water spraying head, and a cleaning assembly is arranged on the outer wall of the protection assembly. A connecting assembly is arranged on the outer wall of the protection assembly; the protection assembly comprises a fixing sleeve, the fixing sleeve is in threaded connection to the outer wall of the water spraying head, the outer wall of the fixing sleeve is sleeved with a rear shell, a front shell is arranged on the front surface of the rear shell, and a top plate is arranged on the upper surface of the rear shell. According to the utility model, by arranging the protection assembly, after the tooth part of a patient is in contact with the top plate, the fixing sleeve can be driven to get close to the top plate by continuously moving the sprinkler head, so that the fixing sleeve pushes the hinge rod to drive the baffle to move towards two sides to be opened, and water sprayed from the front end of the sprinkler head can normally pass through the top plate.

The present application relates to the technical field of oral image recognition, and discloses a mixed tooth site recognition method for a local oral image, a storage medium and a device. The method comprises the following steps: collecting a clinical local oral image, manually marking tooth site numbers and category information, and forming an original data set; replacing the tooth site numbers of the original data set with corresponding permanent tooth numbers at the same position, deleting the category information, and forming a tooth site marked data set; deleting the tooth site numbers in the original data set, and numerically representing the category information, to form a classification marked data set; training a tooth site recognition model through the tooth site marked data set; training a classification recognition model through the classification marked data set; obtaining an oral image to be recognized, recognizing the tooth site numbers of the teeth in the oral image through the tooth site recognition model, and recognizing the category of the teeth in the oral image through the classification recognition model. The method can improve the stability and accuracy of recognizing the positions of the teeth from a local oral image.

An oral cavity detection system includes an image capturing device and a processor. The image capturing device is configured to output a visible light image and an ultraviolet light image. The processor is signal connected to the image capturing device and includes a tooth site recognition module, an image processing module, a tooth status detection module and a display module. The tooth site recognition module defines tooth site regions of the teeth in the visible light image and outputs a tooth site image. The image processing module is configured to convert the ultraviolet light image from an RGB color space to an HSV color space or an HSL color space to generate a fluorescent image, and to extract a fluorescent tooth image having a same range as each tooth site region. The tooth status detection module is configured to find a plaque block or a caries block on each fluorescent tooth image. The display module is configured to display the plaque block or the caries block on each tooth site region of the tooth site image. Thus, the time for manual inspection can be reduced.

The disclosure relates to computer-implemented method and system for generating an optimal view direction of an affected area in a 3D model of intra-oral scan data allowing a dental health care professional to inspect and convey dental assessments in an efficient, fast and optimized manner. In more detail the method and system described herein is configured to estimate the optimal view from which an affected area of a dental site may be displayed on a graphical user interface while allowing automated updates of the view direction to bring the affected site into focus of a graphical user interface.

An intraoral scanner system includes a probe, un-patterned light sources, fluorescence-inducing light sources and near infrared (NIR) light sources couple to the probe. The system includes cameras coupled to the probe. The system including one or more processing devices configured to control an operation of the un-patterned light sources, the fluorescence-inducing light sources and the NIR light sources. The one or more processing devices are configured to alternately illuminate the dental site using different light sources among the un-patterned light sources, the fluorescence-inducing light sources, and the near infrared (NIR) light sources to generate a first image corresponding to the dental site and a second image corresponding to the dental site. The one or more processing devices are further configured to generate, using the first image and the second image, a composite image that reduces a loss of image contrast from returning light from the dental site.

The application discloses an oral scanning tooth position recognition system and method based on artificial intelligence, relates to the technical field of digital oral cavity, and comprises data acquisition, pretreatment, feature extraction and segmentation, tooth position recognition, result output and model training modules. The feature extraction adopts a deep learning network fusing local and expanded features, extracts local geometric features through dynamic edge convolution, and extracts long-distance semantic features by combining expanded edge convolution and hybrid sampling. The method processes oral scanning data through the above modules, realizes gingival segmentation, single tooth division and tooth position recognition, outputs segmentation masks and recognition results, and improves recognition accuracy and efficiency.

The utility model discloses an oral appliance capable of being movably adjusted, which comprises an appliance main body, which is provided with a lip baffle and a tongue baffle; the positioning structure is arranged in the inner cavity walls of the lip baffle and the tongue baffle in the vertical direction; each adjusting assembly is detachably connected with the positioning structure according to the preset position of each tooth position, and the adjusting assemblies can provide correction force for the tooth socket of the appliance main body so as to be matched with the appliance main body to correct teeth. The positioning structures are arranged in the lip block and the tongue block, the multiple adjusting assemblies are detachably arranged on the positioning structures, and the adjusting assemblies can provide correction force for the tooth socket of the appliance main body so as to be matched with the appliance main body to correct teeth. The gear adjusting assembly can adjust the relative position of the appliance, and the application range is widened. Meanwhile, based on the fact that the adjusting assembly is detachable, the dynamic adjusting function is added, and the using flexibility is greatly improved.

Methods and systems for labeling and / or correcting edge lines and / or other features of a tooth site are described. In one example, a 3D model of the tooth site, including a representation of a prepared tooth, is generated from intraoral scan data of the tooth site. An image of the prepared tooth, including a height map, is received or generated. The data from the image is processed using a trained machine learning model that has been trained to identify the edge lines of the prepared tooth, wherein the trained machine learning model outputs a probability map that includes the probability that each pixel in the image depicts an edge line. The 3D model of the tooth site is then updated by labeling the edge lines on the representation of the prepared tooth based on the probability map.

1. The name of the design product: sports lip and teeth protection pacifier mouth guard. 2. The use of the design product: for protecting the lip and teeth of sports personnel during sports. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to the technical field of medical apparatus and instruments, and discloses a tooth lumen visual field dilator, which comprises a mouth gag, which comprises a supporting strip for supporting and cushioning upper and lower rows of teeth, flexible biting strips fixedly connected to the upper and lower ends of the supporting strip, and the mouth gag is used for locking and fixing the position of the supporting strip by biting and pressing the teeth; the jaw supporting device comprises a head support which is of an arc-shaped structure and is used for being worn on the head; one end of the head support is detachably connected with the mouth gag through a thread, and the head support is arranged at a non-operative tooth part; the jaw support is telescopically connected to one end, opposite to the mouth gag, of the head support, is of an arc-shaped hook-shaped structure and is used for hooking and supporting the lower jaw of a patient. The mouth gag is used for opening and supporting the mouth of a patient, the supporting strip is used for stably opening the mouth, the inclined biting strips with the air bag strips are used at the upper end and the lower end of the supporting strip, teeth are stably bitten along the mouth opening angle, sliding displacement is avoided, and the operation field of the tooth part is exposed through stable mouth opening.

The purpose of the present invention is to provide a method with which it is possible to intuitively compare the current tooth state or before and after dental treatment without being limited by dental treatment or consultation purposes. To this end, a method for generating integrated dental data according to one embodiment of the present invention comprises the steps of: acquiring an oral cavity scan (IOS) image relating to a tooth part of a patient; acquiring a three-dimensional (3D) face image relating to the face including the tooth part of the patient; acquiring a computed tomography image comprising the tooth part of the patient; generating first integration data for integrating the three-dimensional face image with one of the oral cavity scan (IOS) image and the computed tomography image; and generating a dental three-dimensional head portrait (Dental 3D Avatar) as final integrated data by integrating the other of the oral scan (IOS) image and the computed tomography image into the first integrated data.

The present disclosure proposes a method, device, computing equipment and program product for displaying oral data. The method comprises: obtaining first oral data, the first oral data comprising three-dimensional data of a dental arch, the dental arch comprising a tooth to be restored; obtaining second oral data by an intraoral scanner, the second oral data comprising scanning data of the tooth to be restored after tooth preparation; identifying a tooth region in the first oral data and the second oral data, and identifying a tooth site of the tooth to be restored based on a difference between the tooth region in the first oral data and the second oral data; combining the first oral data and the second oral data based on the identified tooth site of the tooth to be restored to obtain updated three-dimensional data of the dental arch; and displaying the updated three-dimensional data of the dental arch. In this way, an automated workflow is provided for efficiently generating an oral model containing both complete dental arch morphology and accurate tooth preparation morphology, without the need for manual marking of tooth preparation regions, thereby improving the accuracy and convenience of oral scanning.

The invention relates to the technical field of tooth key point detection, and discloses a tooth key point positioning method and device based on a mouth scanning three-dimensional model, and the method comprises the steps: determining tooth data of a to-be-detected object based on a predetermined mouth scanning three-dimensional model; preprocessing the tooth mesh data of each tooth position through a first type processing module to obtain point cloud data; generating tooth position related data of each tooth position through a second type processing module of the trained key point detection model according to the tooth position number of each tooth position and preset tooth position conversion rule information; and carrying out fusion processing on the point cloud data of each tooth position and the tooth position related data through a third type processing module of the key point detection model so as to detect the key point coordinates of the single tooth corresponding to the tooth position. Therefore, all tooth key points of the to-be-detected object can be detected through one key point detection model, and the key point detection efficiency and detection accuracy can be improved.

The application provides a method and device for assisting in positioning a tooth implant site based on a deep learning method, a computer readable storage medium, an electronic device and a surgical robot system. The method for assisting in positioning the tooth implant site comprises: performing dimension reduction processing on input image data; scaling the image after the dimension reduction processing to obtain a standardized two-dimensional image; using a preset tooth implant site positioning information extraction model to process the input standardized two-dimensional image file to obtain all tooth sites and tooth loss condition information of each tooth site. Thus, the tooth loss tooth site in all tooth sites can be identified, and all tooth sites with teeth, tooth sites with possible tooth loss or tooth sites with possible wisdom tooth growth are comprehensively predicted, thereby solving the problem that multiple tooth sites may be confused with each other in the traditional method and improving the accuracy. Because the input size can be arbitrarily adjusted, the demand for hardware devices is greatly reduced and the prediction speed is improved.