Abstract: A data processing apparatus that includes an input interface to which three-dimensional data including position information of each point of a point group indicating a surface of at least one object is input; and processing circuitry that is configured to process the three-dimensional data that is input from the input interface. The processing circuitry is configured to process two-dimensional data from the three-dimensional data, identify a predetermined object among the at least one object based on the two-dimensional data, and extract predetermined three-dimensional data including the position information of each point of a point group indicating a surface of the predetermined object that is identified.

Abstract: A data-generating apparatus includes: input processing circuitry configured to receive upper-jaw tooth row data showing a three-dimensional shape of a row of teeth in an upper jaw, lower-jaw tooth row data showing a three-dimensional shape of a row of teeth in a lower jaw, and jaw motion data showing a jaw motion; and generation processing circuitry configured to generate, based on the upper-jaw tooth row data, the lower-jaw tooth row data, and the jaw motion data, video data of at least one of the upper-jaw tooth row data and the lower-jaw tooth row data to which an indicator is added, the indicator indicating a positional relation between the row of teeth in the upper jaw and the row of teeth in the lower jaw, the positional relation changing in accordance with the jaw motion.

Abstract: An identification device that identifies a type of a tooth includes: an input unit that receives three-dimensional data including three-dimensional position information at each of a plurality of points forming the tooth; an identification unit that identifies a type of the tooth based on the three-dimensional data received by the input unit and an estimation model including a neural network; and an output unit that outputs an identification result obtained by the identification unit. The identification unit directly inputs the three-dimensional position information included in the three-dimensional data received by the input unit to the neural network included in the estimation model.

Abstract: An identification device includes: an input unit that receives three-dimensional data including data of a tooth; an identification unit that identifies a type of the tooth based on the three-dimensional data including a feature of the tooth received by the input unit and an estimation model including a neural network; and an output unit that outputs an identification result obtained by the identification unit.

Abstract: A detection apparatus includes input interface circuitry to which upper jaw tooth row data, lower-jaw tooth row data and occlusion data are to be input, and processing circuitry configured to detect a premature contact position by generating synthetic data indicating a synthetic three-dimensional shape of upper and lower rows of teeth in the occlusal state by synthesizing the upper-jaw tooth row data and the lower-jaw tooth row data using the occlusion data as a reference and updating at least one tooth row data of the upper-jaw tooth row data and the lower-jaw tooth row data included in the synthetic data so that a state of the upper and lower rows of teeth is displaced from the occlusal state to the open state.

Abstract: A data processing apparatus includes input interface circuitry to which first three-dimensional data and second three-dimensional data indicating objects acquired at timings different from each other for a same person are input, and processing circuitry configured to compare pieces of soft tissue of at least one tooth between the first three-dimensional data and the second three-dimensional data using a shape of a crown portion of the at least one tooth included in the objects as a reference and output comparison information regarding a comparison result.

Abstract: A cap mountable on and detachable from an intraoral scanner including a housing having an opening for connecting to at least a part of the intraoral scanner, a measurement window provided in the housing and located opposite to the opening, and a mirror that reflects light from the measurement window toward the opening. The housing has a longitudinal length shorter than that of a probe defining a depth-of-field, of the intraoral scanner extending from the measurement window to a predetermined extent.

Abstract: A data processing apparatus that includes an input interface to which three-dimensional data including position information of each point of a point group indicating a surface of at least one object is input; and processing circuitry that is configured to process the three-dimensional data that is input from the input interface. The processing circuitry is configured to process two-dimensional data from the three-dimensional data, identify a predetermined object among the at least one object based on the two-dimensional data, and extract predetermined three-dimensional data including the position information of each point of a point group indicating a surface of the predetermined object that is identified.

Abstract: An identification apparatus includes an input interface to which position data including position information of each of a plurality of objects is input, and processing circuitry that is configured to identify at least one object among the plurality of objects based on the position data that is input from the input interface and an estimation model that is trained to estimate a type of each of the plurality of objects based at least on the position data of each of the plurality of objects, the position data including a relative positional relationship which is fixed inside the mouth.

Abstract: A technique that allows a dentist to accurately grasp movement of individual teeth tooth. A data processing device processes three-dimensional data of teeth. The data processing device includes an input unit to which the three-dimensional data including a bone of a part of a head and a plurality of teeth captured by an X-ray CT imaging device is input, a data processor that performs data processing based on the three-dimensional data input to the input unit, and an output unit that outputs the three-dimensional data processed by the data processor to an external device. The three-dimensional data further includes position information and is segmented into the bone of the part of the head and the plurality of teeth. The data processor compares the three-dimensional data captured at different timings based on a reference provided on at least the bone of the part of the head.

Abstract: The present disclosure relates to an image capturing device configured to capture an image of a target. The image capturing device includes a probe and a housing. The probe includes an optical component and is configured to receive light from the target. The housing includes electronic components each configured to process the light received from the probe. Moreover, the housing includes an air sending unit, and a controller configured to control driving of the air sending unit. The air sending unit is provided at a position above the electronic components in the housing when a user holds the housing during utilization of the image capturing device, and is configured to supply air to the optical component provided in the probe.

Abstract: A handheld dental instrument includes a casing provided with a holding portion to be held by a user, a reception unit provided on the casing to receive an operation from the user, and a control unit that controls a control target to perform a predetermined action in response to the operation received by the reception unit. The control unit performs a first control when the operation received by the reception unit from the user is a first operation, and performs a second control different from the first control when the operation received by the reception unit from the user is a second operation different from the first operation.

Abstract: A magnifying glass captures an image of a tooth by a plurality of cameras for observation. The plurality of cameras includes a narrow range camera capturing a narrow range image of the tooth and a wide range camera capturing a wide range image of the tooth. The magnifying glass includes a three-dimensional position calculator detecting a three-dimensional position of at least the tooth based on the wide range image; a blur correction processor correcting a blur of the narrow range image, based on a change in a three-dimensional positional relationship between the tooth, the three-dimensional position of which has been detected by the three-dimensional position detector, and the narrow range camera; and an image display portion displaying at least the narrow range image having the blur corrected.

Abstract: An imaging support device that supports imaging of teeth inside an oral cavity is provided. The imaging support device includes an input unit, an identification unit, a specification unit, and an output unit. The input unit receives a tooth image obtained by imaging the teeth inside the oral cavity. The identification unit identifies a type of a tooth based on the tooth image received by the input unit. Based on the type of the tooth identified by the identification unit, the specification unit specifies a type of a tooth as a target for imaging support. The output unit outputs information about the type of the tooth specified by the specification unit to an outside at a prescribed timing.

Abstract: An identification device includes: an input unit that receives three-dimensional data including data of a tooth; an identification unit that identifies a type of the tooth based on the three-dimensional data including a feature of the tooth received by the input unit and an estimation model including a neural network; and an output unit that outputs an identification result obtained by the identification unit.

Abstract: A cap mountable on and detachable front an intraoral scanner including a housing having an opening for connecting to at least a part of the intraoral scanner, a measurement window provided in the housing and located opposite to the opening, and a mirror that reflects light from the measurement window toward the opening. The housing has a longitudinal length shorter than that of a probe defining a depth-of-field, of the intraoral scanner extending from the measurement window to a predetermined extent.

Abstract: A magnifying glass captures an image of a tooth by a plurality of cameras for observation. The plurality of cameras includes a narrow range camera capturing an image of the tooth in a narrow image capturing range and a wide range camera capturing an image of the tooth in a wide image capturing range. The magnifying glass includes a three-dimensional position calculator detecting a three-dimensional position of at least the tooth based on the wide range image captured by the wide range camera; a blur correction processor correcting a blur of the narrow range image captured by the narrow range camera, based on a change in a three-dimensional positional relationship between the tooth, the three-dimensional position of which has been detected by the three-dimensional position detector, and the narrow range camera; and an image display portion displaying at least the narrow range image having the blur corrected.

Abstract: A method of three-dimensional measurement in an oral cavity includes conducting three-dimensional measurement on a measurement range in an oral cavity, detecting a measurement site in which measurement information is insufficient in a measurement result acquired in the three-dimensional measurement, notifying a start position at which re-measurement on the measurement site detected is to be started, re-measuring an area starting from the start position such that the area encompasses the measurement site, and adapting at least one characteristic site having characteristic information in a re-measurement result from the re-measuring, and at least one characteristic site having characteristic information in the measurement result from the three-dimensional measurement with respect to each other such that three-dimensional measurement information is created on the measurement range.

Abstract: A handheld dental instrument includes a casing provided with a holding portion to be held by a user, a reception unit provided on the casing to receive an operation from the user, and a control unit that controls a control target to perform a predetermined action in response to the operation received by the reception unit. The control unit performs a first control when the operation received by the reception unit from the user is a first operation, and performs a second control different from the first control when the operation received by the reception unit from the user is a second operation different from the first operation.

Abstract: The present disclosure relates to an image capturing device configured to capture an image of a target. The image capturing device includes a probe and a housing. The probe includes an optical component and is configured to receive light from the target. The housing includes electronic components each configured to process the light received from the probe. Moreover, the housing includes an air sending unit, and a controller configured to control driving of the air sending unit. The air sending unit is provided at a position above the electronic components in the housing when a user holds the housing during utilization of the image capturing device, and is configured to supply air to the optical component provided in the probe.