Abstract: A cutter module including a cutter plate and at least one knife unit is provided. The cutter plate includes a base and at least one positioning slot. The positioning slots are configured to distribute along the edge of the base. Each positioning slot is sandwiched between two adjacent side walls that protrude from the base. A positioning slot has a first spacing and a second spacing. The second spacing is closer to the edge than the first spacing, and the first spacing is larger than the second spacing. A knife unit is correspondingly disposed in a positioning slot. The knife unit has a first width and a second width and the first width is larger than the second width.

Abstract: Systems and methods for surgical robotic navigation include multiple small surgical markers which avoid interfere with line of sight and do not otherwise disturb the surgical staff, while providing a convenient and highly accurate methodology for tracking and compiling the markers. Multi-arm robotic surgery systems are described in various embodiments that hold surgical tools and navigation cameras and optimally make use of several small surgical markers placed on patient anatomy of interest, surgical tools and the robotic arms. The small surgical markers are mathematically compiled so that the navigation cameras see a larger “compiled” surgical marker, thus providing greater accuracy.

Abstract: Provided are a fixing member and a cutting tool capable of pressing and fixing a cutting insert to a tool body in a stable state without defects such as wear and deformation. A fixing member pressing and fixing a cutting insert disposed on an insert mounting part of a tool body includes a fixing member body configured to be fastened to a fixing member mounting part of the tool body and a pressing portion that is provided to the fixing member body and configured to press the cutting insert when the fixing member body is fastened to the tool body, wherein in the pressing portion, a bulging portion having an outer shape, in which a cross-sectional view in a direction orthogonal to a width direction of the fixing member body is curved in an arc shape, is formed along the width direction of the fixing member body.

Abstract: A method for tracking surgical items with a system including an imaging system, a display, and one or more processors is provided. The method includes capturing a video that depicts a user handling the surgical items, and performing computational analysis of the video to detect a characteristic arm motion of the user which is indicative of the user moving the surgical item to be counted in to a surgical procedure. The method further includes, in response to each instance of the characteristic arm motion being detected, updating a count of surgical items and displaying the updated count on the display.

Abstract: A rotary shaft clamp device configured to clamp a first member to a second member, the first and second members being relatively rotatable around a predetermined center axis, the rotary shaft clamp device including: a pair of contact surfaces annularly formed in an outer periphery of a disk provided for a rotary shaft that is a first member at a predetermined distance from the center axis and opposed to each other at a regular interval; and a press-contact member that is supported by a support body that is a second member and is configured to come into press-contact with the pair of contact surfaces, the press-contact member having a pair of surfaces located between the pair of contact surfaces to face the contact surfaces, the pair of surfaces being configured to advance in directions along the center axis.

Abstract: A medical marking device, consisting of a radiotransparent plate having a first plurality of radiopaque elements embedded therein in a first predefined pattern and a second plurality of optical reflectors positioned on a surface in proximity to the plate in a second predefined pattern. The device also includes a sigmoid mounting arm having a first end connected to the radiotransparent plate and a second end containing one or more fastening receptacles.

Abstract: A stationary machine tool for machining, in particular core drilling, comprising a tool stand with a first tool stand housing interior. A chip guidance system comprises a magnet, wherein the magnet is arranged in the first tool stand housing interior such that chips produced by a machining process and entering the first tool stand interior are deflected by the chip guidance system.

Abstract: A method may include receiving a digital model of a dental appliance, the digital model may have a plurality of caps. Each cap of the plurality of caps may represent a set of contact points on a tooth. The digital model may have a plurality of links. Each link of the plurality of links may represent a connection between a plurality of caps. The method may include generating a relaxed model of a dental appliance using the digital model of the dental appliance. The method may also include generating a deformed model of the dental appliance using the digital model of the dental appliance and transforming the relaxed model to the deformed model to generate a plurality of parameters for moving the teeth of the patient towards a target tooth arrangement.

Abstract: Provided are a system and method for a utility container with grinder (“UCWG”). In general, the UCWG includes a housing providing an at least one internal storage area proximate to a first end. A grinder is provided proximate to a second end opposite from the first end, the grinder having a removable grinder cap. An internal separator separates the at least one internal storage area from the grinder. The first end has a lid structured and arranged to temporarily seal the at least one internal storage area, the lid having an external depression structured and arranged to hold a known volume of ground material. The removable grinder cap structured and arranged to be disposed within the housing below the lid. An associated method of use is also provided.

Abstract: Methods and apparatuses (including software) for determining and/or locating dental ridgelines may include identifying patterns corresponding to two or more ridgeline point locations for individual teeth in the 3D model of the patient's dentition and determining a ridgeline for the teeth based on identified patterns corresponding to the two or more ridgeline point locations. The determined dental ridgelines can be used to determine a dental treatment plan. Also described herein are methods and apparatuses for identifying and quantifying round trip tooth movements in a treatment plan. The round trip tooth movements may be used as a basis for adjusting the treatment plan by reducing the amount of round trip movement or eliminating the round trip movement from the treatment plan.

Abstract: A container when assembled includes a body, a cover, a lower grinding component, and an upper grinding component. The body includes a primary storage area compartment, the lower grinding component includes a grinding area compartment, and the upper grinding component includes a secondary storage area compartment. The upper grinding component partially nests within the lower grinding component. The lower grinding component defines a recess that includes the grinding area compartment. The upper grinding component is inserted into and partially received within the recess of the lower grinding component to form a grinder. The lower grinding component partially nests within the body of the container and the cover fits over the upper grinding component and partially over the lower grinding component when the cover is secured to the body of the grinder, whereby the grinder is completely enclosed within the body and cover of the container.

Abstract: Methods and apparatuses for orthodontic treatment planning. A treatment plan may be for a patient's teeth and for a specific dental professional. A set of combined treatment preferences may include a first set of rules converted from a set of textual instructions from the specified dental professional into a domain-specific language specific to the specified dental professional. The textual instructions may include unscripted instructions. A second set of rules may be converted from a set of scripted instructions from the specified dental professional. The scripted instructions may include responses from a script of predefined choices. An orthodontic treatment plan may be generated for the patient's teeth using the set of combined treatment preferences and a digital model of the patient's teeth.

Abstract: A bath vanity assembly comprising a countertop configured to receive a sink basin; and a power accessory, wherein the countertop comprises an aperture configured to receive the power accessory, the power accessory is configured to be positioned in the aperture in an inserted state and in an extended state, in the inserted state, a top surface of the power accessory is positioned adjacent to the countertop, and in the extended state, a top surface of the power accessory is positioned a distance above the countertop to provide access to a power feature positioned below the power accessory top surface.

Abstract: A clip for a self-ligating bracket includes a first clip arm and a second clip arm. The first arm terminates in a mesial arm, a distal arm, and a middle arm. The clip is moveable between an open position in which the arch wire slot is accessible and a closed position in which the arch wire slot is occluded. The second clip arm extends past the first, second, and third arms of the first clip arm. The self-ligating bracket includes a bracket body with an arch wire slot and the second clip arm positioned lingually of the arch wire slot.

Abstract: A wall mount towel bar assembly provides a wall mount bracket adapted to be mounted to a planar surface. A threaded shaft is supported upon the wall mount bracket for rotation relative to the wall mount bracket. A sleeve is in threaded engagement with the threaded shaft with a sleeve aperture formed therein. A bar is received for translation in the sleeve aperture. Rotation of the threaded shaft locks the bar in the sleeve to maintain a position of the bar within the sleeve.

Abstract: A system includes an intraoral scanner configured to generate intraoral scan data comprising intraoral images of an arch of a patient, and a computing device operatively coupled to the intraoral scanner. The computing device is configured to receive the intraoral scan data comprising the intraoral images of the arch generated during scanning of the arch by the intraoral scanner, a plurality of objects each comprising a surface pattern having been applied onto the arch of the patient prior to the scanning of the arch, wherein at least some of the intraoral images comprise representations of one or more objects of the plurality of objects. The computing device is further configured to generate a three-dimensional (3D) model of the arch using the intraoral images that comprise representations of the one or more objects and output the 3D model to a display.

Abstract: A dispenser for dispensing materials is disclosed. The dispenser includes a back housing, a front cover, and a mounting bracket. The mounting bracket includes a baseplate having a mounting surface and an outward facing surface. The baseplate includes one or more fastener apertures configured to receive one or more fasteners for mounting the bracket to the surface. The one or more fastener apertures include a thinned portion extending around at least a portion of a circumference of the fastener aperture. The thinned portion is configured to break upon application of a threshold force.

Abstract: The present disclosure relates to a 3D scanner system comprising an intraoral scanner comprising: an elongated housing comprising a distal end for being inserted into an oral cavity, wherein the housing comprises an aperture in a sidewall of the distal end of the housing; and a window arranged in the aperture of the housing; and/or a sleeve mounted on the outside of the elongated housing; the 3D scanner system further comprising one or more processors operatively connected to the intraoral scanner, said processors configured to receive one or more two-dimensional images comprising a plurality of pattern features, wherein the images comprises one or more artifacts arising from reflections from the window and/or sleeve; and provide the two-dimensional image(s) as input to a parameterized model trained to determine the position of at least a subset of the pattern features in the image(s), while suppressing or ignoring the artifacts.

Abstract: A vacuum apparatus with a magnetic and coarse material uptake surface primer for separating magnetic materials, non-magnetic coarse materials, and fine materials includes an intake housing having a magnetic element, a coarse material guide, a coarse material uptake portal and a fine material intake. The coarse material uptake portal is positioned between the magnetic element and the fine material intake. A storage chamber for holding the non-magnetic coarse materials is included, along with a release mechanism positioned such that the magnetic element adheres the magnetic materials to the release mechanism, and moving the release mechanism away from the magnetic element permits the magnetic materials to separate from the magnetic element.

Abstract: The present invention is directed to a process for producing a sintered lithium disilicate glass ceramic dental restoration out of a porous 3-dim article, the process comprising the step of sintering the porous 3-dim article having the shape of a dental restoration with an outer and inner surface to obtain a sintered lithium disilicate ceramic dental restoration, the sintered lithium disilicate glass ceramic dental restoration comprising Si oxide calculated as SiO2 from 55 to 80 wt.-%, Li oxide calculated as Li2O from 7 to 16 wt.-%, Al oxide calculated as Al2O3 from 1 to 5 wt.-%, and P oxide calculated as P2O5 from 1 to 5 wt.-%, wt.-% with respect to the weight of the dental restoration, the sintering being done under reduced atmospheric pressure conditions, the reduced atmospheric pressure conditions being applied at a temperature above 600° C.