Abstract: A method of designing a virtual 3D model of a dental restoration for a target site of a patient's set of teeth, the method including: obtaining a digital 3D representation of the set of teeth, the digital 3D representation including a section corresponding to the target site; determining an insertion path for the dental restoration to the target site; and designing the virtual 3D model of the dental restoration based on the digital 3D representation of the set of teeth, where the designing includes generating an outer surface of the virtual 3D model, where the determined insertion path and the outer surface of the designed virtual 3D model provide that a dental restoration manufactured from the designed virtual 3D model can be moved along the insertion path to the target site.

Abstract: The present disclosure relates to a dental scanning system for generating a digital three-dimensional representation of a dental object, the system comprising an intraoral scanning device comprising one or more projector units configured to project a pattern on a surface of the dental object; and two or more cameras configured to acquire one or more sets of images; wherein the scanning system further comprises one or more processors configured to determine one or more image features within each set of images; solve a correspondence problem within each set of images such that points in 3D space are determined based on the image features, wherein said points form a solution to the correspondence problem, wherein the correspondence problem is solved for groups of pattern features; and generate a digital three-dimensional representation of the dental object, wherein the solution to the correspondence problem is used to generate the three-dimensional representation.

Abstract: A 3D scanner system includes a scanning device capable of recording first and second data sets of a surface of an object when operating in a first configuration and a second configuration, respectively. A measurement unit is configured for measuring a distance from the scanning device to the surface. A control controls an operation of the scanning device based on the distance measured by the measurement unit, where the scanning device operates in the first configuration when the measured distance is within a first range of distances from the surface and the scanning device operates in the second configuration when the measured distance is within a second range of distances; and a data processor is configured to combine one or more first data sets and one or more second data sets to create a combined virtual 3D model of the object surface.

Abstract: Disclosed are a scanner system and a method for recording surface geometry and surface color of an object where both surface geometry information and surface color information for a block of the image sensor pixels at least partly from one 2D image recorded by the color image sensor. A particular application is within dentistry, particularly for intraoral scanning.

Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

Abstract: The present disclosure provides a wireless scanning device, including: a scanning housing, including: an image detector configured for acquiring 2D-images at a first 2D-frame-rate; and one or more processor(s) coupled to the image detector such that the 2D-images can be processed by the processor(s) to form processed data; a wireless module being coupled to the processor(s) such that the wireless module receives the processed data from the processor(s) and wirelessly transmits the processed data.

Abstract: The present disclosure relates generally to a compact intraoral 3D-scanner. More specifically, the present disclosure relates to the field of satisfying a condition for a compact intraoral 3D-scanner, particularly such that intraoral 3D-scanning is optimally performed. The present disclosure relates further to a method of optimizing a compact intraoral 3D-scanner.

Abstract: A computer-implemented method of generating a dental model based on an objective function output, including creating an objective function including at least one quality estimation function which trains at least one machine learning method that generates quality estimation output, and an objective function output is the output of the objective function providing a model as an input data to the objective function and generating model-related objective function output; and modifying the model based on the model-related objective function output to transform the model to a generated model, wherein the generated model is the dental model.

Abstract: A 3D scanner for recording the 3D topography of an object, the 3D scanner including: a projector unit configured for projecting a structured beam of probe light onto the object; an imaging unit arranged to acquire 2D images of the object when the object is illuminated by the structured probe light beam; and an actuator unit arranged to control the position of the structured probe light beam at the object by rotating a movable portion of the projector unit around a pivoting axis, the actuator unit including a rotation motor including or arranged to drive a wheel, where the surface of the wheel operatively coupled to the movable portion of the projector unit has a radial distance from the axis of the rotation motor which changes with the rotation.

Abstract: Disclosed is a 3D scanning system and a method for using such a system, where a handheld scanner of the 3D scanner system is used to control the operation mode of the system such that the user does not need to engage an external unit e.g. during a scanning procedure in which the teeth in a patient's upper and lower jaws are scanned.

Abstract: Detecting a movable object in a location includes providing a first 3D representation of at least part of a surface; providing a second 3D representation of at least part of the surface; determining for the first 3D representation a first excluded volume in space where no surface can be present; determining for the second 3D representation a second excluded volume in space where no surface can be present; if a portion of the surface in the first 3D representation is located in space in the second excluded volume, the portion of the surface in the first 3D representation is disregarded in the generation of the virtual 3D model, and/or if a portion of the surface in the second 3D representation is located in space in the first excluded volume, the portion of the surface in the second 3D representation is disregarded in the generation of the virtual 3D model.

Abstract: A 3D scanner system for detecting and/or visualizing cariogenic regions in teeth based on fluorescence emitted from the teeth, the 3D scanner system including one or more data processing units configured for mapping a representation of fluorescence emitted from the teeth onto the corresponding portion of a digital 3D representation of the teeth to provide a combined digital 3D representation.

Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

Abstract: A method for manufacturing a dental component in a dental clinic or laboratory, the method including setting up one or more manufacturing machines for usage by a clinical computer over a computer network; designing, in a design software application on the clinical computer, the dental component to be manufactured; receiving, on the clinical computer, a status message from the one or more manufacturing machines indicating a status of the manufacturing machine(s); responsive to the status message(s), selecting a manufacturing machine for manufacturing the dental component; and sending the designed dental component from the clinical computer to the selected manufacturing machine over the computer network.

Abstract: A scanning system for generating a three-dimensional (3D) representation of an object includes: an intraoral scanning device including one or more projector units configured to project a pattern on a surface of the object; two or more camera units configured to acquire a set of images including at least one image from each camera unit, wherein each image is composed of an array of pixels, wherein each pixel includes a pixel color defined by one or more color channels; wherein the scanning system further includes one or more processors configured for: determining points in three-dimensional (3D) space that form a solution to a correspondence problem associated with the set of images, wherein the points are determined by comparing pixel colors with computed colors associated with camera rays corresponding to each pixel; and generating the three-dimensional (3D) representation based on the determined 3D points.

Abstract: A 3D scanner system includes a scanning device capable of recording first and second data sets of a surface of an object when operating in a first configuration and a second configuration, respectively. A measurement unit is configured for measuring a distance from the scanning device to the surface. A control controls an operation of the scanning device based on the distance measured by the measurement unit, where the scanning device operates in the first configuration when the measured distance is within a first range of distances from the surface and the scanning device operates in the second configuration when the measured distance is within a second range of distances; and a data processor is configured to combine one or more first data sets and one or more second data sets to create a combined virtual 3D model of the object surface.

Abstract: A 3D scanner for recording the 3D topography of an object, the 3D scanner including: a projector unit configured for projecting a structured beam of probe light onto the object; an imaging unit arranged to acquire 2D images of the object when the object is illuminated by the structured probe light beam; and an actuator unit arranged to control the position of the structured probe light beam at the object by rotating a movable portion of the projector unit around a pivoting axis, the actuator unit including a rotation motor including or arranged to drive a wheel, where the surface of the wheel operatively coupled to the movable portion of the projector unit has a radial distance from the axis of the rotation motor which changes with the rotation.