174results about "Dental surgery" patented technology

An oral irrigator is disclosed. The oral irrigator may include a housing defining a housing cavity and a chassis received within the housing cavity. A plurality of components received within the housing cavity are mounted to the chassis and inserted into the housing cavity via the chassis.

The luminous dental floss of the present invention includes dental floss, a lighting system and a handle. The dental floss is detachably connected to the handle; the lighting system includes a light source system, a circuit system, a switch and a power supply system; the light source system is connected to the power supply system through the circuit system; the circuit system and the power supply system are installed in the handle; the switch is installed on the handle. The illumination light emitted by the light source system can illuminate the oral cavity. In particular, an observation window is designed on the luminous dental floss of the present invention. During use, under the illumination of the lighting system, the process of the dental floss entering the tooth gap can be directly observed, which is convenient for cleaning and effectively avoids accidentally injuring the gums.

A noise-reduced and quietly operable electrically driven toothbrush with a technically simple basic structure includes a handle portion at a first end of the toothbrush and a head portion at a second end of the toothbrush. The head portion is detachably connectable to the handle portion. A rotatable drive shaft extends at least in the head portion and defines a first longitudinal axis. An electric drive unit directly or indirectly rotates the drive shaft. A bristle holder is pivotally mounted to the head portion and is drivingly engaged by an end of the drive shaft.

The invention discloses a machine shell for oral cavity cleaning and an oral cavity cleaning device, the machine shell comprises a shell body and a cover body, the shell body is provided with an opening, and the cover body covers the opening of the shell body; the cover body and the shell are mutually nested in a preset direction, and a liquid storage cavity is defined by the cover body and the shell; a micro-channel is formed between the shell and the cover body; the micro-channel can allow gas to penetrate in the preset direction and prevent liquid from flowing out, and the micro-channel communicates the liquid storage cavity with the outside through an assembly gap between the shell and the cover. The casing for oral cavity cleaning and the oral cavity cleaning device have the effects of being free of holes in appearance, breathable and waterproof.

An image processing apparatus is disclosed. The image processing apparatus includes a communicator configured to transmit or receive information to or from an intraoral scanner, a memory storing one or more instructions, and a processor configured to execute the one or more instructions stored in the memory to identify an oral image obtainment mode based on tip information about a tip included in the intraoral scanner, and obtain an oral image based on two-dimensional image data received from the intraoral scanner through the communicator and the identified oral image obtainment mode, wherein the tip information may include at least one of tip fastening direction information and tip size information.

Apparatuses, including sleeves, intraoral scanning systems to use these sleeves, and methods of using the sleeve, that authenticate the sleeve for use with an intraoral scanning system. Authentication may include verifying that the sleeve is new (unused) and / or verifying that the sleeve is appropriate and / or intended for use with the intraoral scanning system. Once authenticated, operation parameters of the intraoral scanning system can be automatically set based on information from a scanned identifier on the sleeve.

A vacuum light apparatus is configured with a light source that illuminates a light pipe forming a light pipe conduit configured to draw vacuum therethrough. The vacuum light apparatus has a light switch to turn the light source on and off, dim up and down and a vacuum actuator to adjust the amount of vacuum on the projection end of the light pipe. The light source may receive power from a battery, or from a power cable. The power cable may be detachably attached to the vacuum light apparatus, such as to the body. An exemplary vacuum light apparatus may be used for dental applications to provide illumination in an oral cavity or mouth while providing suction to draw away saliva, other fluids and particles from the procedure.

A self-feed oral cleaning appliance is provided, including a cleaning equipment storage box, cleaning equipment, a sterilization device, a power receiving mechanism, and a feed induction control circuit. A body of the cleaning equipment storage box of the self-feed oral cleaning appliance is not required to have a built-in storage battery. When the cleaning host unit is stored in the storage box, the feed induction control circuit and the power receiving mechanism cooperate with each other to apply power from the cleaning host unit to the sterilization device, thus achieving that the sterilization device sterilizes cleaning equipment in the cleaning equipment storage box. The manufacturing costs of the cleaning appliance with the sterilization device can be effectively reduced, and logistics transportation is also facilitated. The self-feed oral cleaning appliance is high in practicability and is also beneficial to assist in promotion of oral health undertakings.

In one embodiment, an oral irrigator including a reservoir, a tip fluidly connected to the reservoir, a motor having a drive shaft, and a pump. The pump includes a pump body including a pump inlet fluidly connected to the reservoir and a pump outlet fluidly connected to the tip, a spiral pinion gear including a plurality of pinion gear teeth that curve along their length, and a spiral driven gear including a plurality of driven gear teeth that mesh with the pinion gear teeth. The pump also may include a connecting rod eccentrically connected to the driven gear and a piston and received within the pump body. Movement of the drive shaft causes the pinion gear to rotate, causing the driven gear to rotate, translating the connecting rod and moving the piston laterally within the pump body to pull fluid from the reservoir and push the fluid to the tip.

Drivetrain assemblies for personal care devices using electromagnetic components to generate a combination of controllable power tapping and sweeping motions. The drivetrain assemblies include a drivetrain shaft at least partially contained within a body portion of the device. The drivetrain shaft is further configured to engage a brush head member of the device. The drivetrain assemblies further include a motor mounted on the drivetrain shaft, where the motor is configured to periodically rotate the drivetrain shaft about a first axis of the device, and an electromagnetic assembly configured to drive the drivetrain shaft and thereby the brush head member about an second axis of the device or in a direction parallel to a third axis of the device. The electromagnetic assembly includes a stator, a voice coil actuator, a rotor, or a linear solenoid actuator, for example.

The present application discloses a drive unit for oral cleaning, a toothbrush handle, and an oral cleaning device; the oral cleaning device at least includes a driving body and a motion detection component, wherein the driving body extending along a first axis includes a static assembly and a rotary assembly, the rotary assembly is rotatably mounted on the static assembly, the static assembly at least partially surrounds the rotary assembly, and an accommodating chamber is formed in the static assembly; the motion detection component located in the accommodating chamber includes a motion detection assembly and a motion feedback assembly, the motion feedback assembly is connected with the rotary assembly and rotates with the rotary assembly, the motion detection assembly is directly connected with the static assembly, and the motion detection assembly detects a motion position of the rotary assembly through the motion feedback assembly.

Provided is a scanner including a first insertion portion into which a battery is to inserted in a detachable form, a capacity indicating portion, and one or more processors configured to execute one or more instructions, wherein the one or more processors are configured to execute the one or more instructions to, in response to a first connector provided in the battery being connected to a second connector provided in the first insertion portion, receive battery information and power from the battery via the first connector and the second connector, and output an indicator corresponding to the battery information via the capacity indicating portion.

An oral irrigator includes a drive assembly, a pump assembly, and a flexible membrane seal. The drive assembly is received within a housing. The pump assembly is positioned at least partially within a pump chamber. The pump assembly includes a piston and a connecting rod coupled to the drive assembly, the connecting rod movable between first and second positions through operation of the drive assembly. The flexible membrane seal extends from an interior surface of the pump chamber to the connecting rod to fluidly seal an open end of the pump chamber. The flexible membrane seal deforms from a first orientation to a second orientation as the connecting rod moves from the first position to the second position.

Blank for the production of dental prosthetic components by material processing using a CAD / CAM machine, with a blank body made of a dental restoration material and a holding attachment connected to the blank body for holding the blank body in the CAD / CAM machine, the holding element is made of plastic.

A wireless intraoral scanner and an intraoral scan image forming apparatus including the same are disclosed. The intraoral scan image forming apparatus comprises: an intraoral scanner (10) that optically scans and captures intraoral structures to obtain two-dimensional shape image data of the intraoral structures; a data processor (22) that outputs a control signal for the intraoral scanner (10) and forms a three-dimensional shape image of the intraoral structures from the two-dimensional shape image data of the intraoral structures obtained from the intraoral scanner (10); a wireless auxiliary device (30) that supplies power for driving the intraoral scanner (10) to the intraoral scanner (10) through a wired signal line (19), receives a wired signal transmitted from the intraoral scanner (10) through the wired signal line (19), converts it into a wireless signal and transmits it to the data processor (22), receives a wireless signal transmitted wirelessly from the data processor (22), converts it into a wired signal and transmits it to the intraoral scanner (10); and a wireless transmission / reception device (80) that receives the wireless signal transmitted from the wireless auxiliary device (30), converts it into a wired signal and transmits it to the data processor (22), receives a wired signal transmitted from the data processor (22), converts it into a wireless signal and transmits it to the wireless auxiliary device (30).

The present invention relates to a dental blank, in particular a cuboid block, with an upper and a lower surface, which is constructed from a flesh-colored material and a tooth-colored material. The flesh-colored material and the tooth-colored material are bonded to one another. The interface between the materials, with elevations and depressions formed in or on the interface, extends through an optionally curved plane, which plane is parallel to or oblique to at least some of the surfaces of the blank. An area is reserved in the blank for at least one partial denture, which extends over one or more elevations and depressions, and the apex lines of the elevations and depressions, viewed in plan view of the interface, form essentially straight lines, which, viewed across the block, are arranged in a fan shape or diverge from one another.

The present disclosure relates to a personal care device (10), the personal care device (10) comprising a rechargeable energy storage unit (110), a charging circuit (130) for receiving energy from an external energy source (300) and charging the rechargeable energy storage unit, a first charging mode in which the rechargeable energy storage unit is charged up to a preset maximum voltage value, and a user-selectable second charging mode in which the rechargeable energy storage unit is charged until the voltage in the rechargeable energy source reaches a first preset voltage value that is lower than the preset maximum voltage value. The second charging mode is selected using user-operable input elements (140, 150). The charger (300) may comprise a motion or vibration sensor (340) for detecting when the personal care device is placed on or lifted from the charger.

A toothbrush head (20), a toothbrush handle (30), an electric toothbrush (10), and a control method, relating to the technical field of electric toothbrush control. A storage element (211) stores data carrying identity information (212) of a toothbrush head body (21); a first communication element (213) enables data communication between the storage element (211) and the toothbrush handle (30); and a microprocessor (315) in the toothbrush handle (30) identifies the data carrying the identity information (212) in the storage element (211), so as to identify whether the toothbrush head (20) matches the toothbrush handle (30), and identify whether the toothbrush head (20) is an authorized and legitimate toothbrush head (20). Only if the microprocessor (315) in the toothbrush handle (30) can identify the data carrying the identity information (212) stored in the storage element (211) in the toothbrush head (20), and the data of the identity information (212) of the toothbrush head (20) is legitimate and authorized, the microprocessor (315) authorizes a drive assembly (311) in the toothbrush handle (30) to work, so as to drive tufts (24) in the toothbrush head (20) to rotate around central shafts of the tufts, thereby preventing the use of rejected, counterfeit or unauthorized toothbrush heads (20) and ensuring the benefits of consumers and innovators. Thus, the toothbrush head (20) of the electric toothbrush (10) can be correctly matched with the toothbrush handle (30).

The present disclosure relates to an oral irrigator. In one embodiment, the oral irrigator includes a motor, a pump body, a connecting rod, and a diaphragm seal. The connecting rod is at least partially received within the pump body and is movably connected to the motor such that the motor moves the connecting rod between a first position and a second position within the pump body. The diaphragm seal is connected to the connecting rod and the pump body and deforms from a first orientation to a second orientation as the connecting rod moves from the first position to the second position.

Drivetrain assemblies for personal care devices using electromagnetic components to generate a combination of controllable power tapping and sweeping motions. The drivetrain assemblies include a drivetrain shaft at least partially contained within a body portion of the device. The drivetrain shaft is further configured to engage a brush head member of the device. The drivetrain assemblies further include a motor mounted on the drivetrain shaft, where the motor is configured to periodically rotate the drivetrain shaft about a first axis of the device, and an electromagnetic assembly configured to drive the drivetrain shaft and thereby the brush head member about an second axis of the device or in a direction parallel to a third axis of the device. The electromagnetic assembly includes a stator, a voice coil actuator, a rotor, or a linear solenoid actuator, for example.

Oral care lamp devices, kits, and methods are provided. An oral care lamp device (10) may include a housing (12), a light source positioned in the housing (12). The light source includes an LED (14) and is capable of emitting electromagnetic radiation having an average light intensity of about 150 mW / cm2 or greater. The oral care light device (10) may include a battery (46) and may be portable. The kit may include an oral care lamp device (10) and a whitening composition. A method of whitening teeth using an oral care lamp device (10) may include: applying a whitening composition including a bleaching agent to teeth; maintaining the whitening composition on the teeth for a first period of time without activating a light source; and after the first period of time, activating the light source to direct the electromagnetic radiation to the tooth for a second period of time.

A motor assembly for an electric toothbrush, a brush handle assembly for an electric toothbrush, and an electric toothbrush. The motor assembly includes: a motor body, a mounting seat, a position feedback member, and a position sensor. The motor body is arranged with an output shaft. The mounting seat defines a connection hole; wherein the mounting seat is fixedly sleeved on the output shaft through the connection hole to be rotatable with the output shaft; the mounting seat further defines a mounting slot disposed on a peripheral side of the connection hole. The position feedback member is arranged at the mounting slot to be rotatable with the output shaft. The position sensor is spaced apart from the mounting seat and disposed on a side toward which an opening of the mounting slot is oriented; wherein the position sensor is configured to detect a motion position of the position feedback member.

A computer-implemented method for detecting tooth wear on a virtual 3D model (101) of a dental situation is disclosed. The method comprises receiving, by a processor, the virtual 3D model (101) of the dental situation. The method further comprises generating an input (301), from the virtual 3D model (101), for a trained neural network (300) for tooth wear detection, wherein the input (301) comprises at least one input element corresponding to at least a part of the virtual 3D model (101), the at least one input element comprising geometric information of the at least part of the virtual 3D model (101), wherein the geometric information of the at least part of the virtual 3D model (101) comprises curvature information. The method further comprises providing the input (301) to the trained neural network (300) and obtaining an output (305) from the trained neural network (300) based on the provided input (301), wherein the output (305) comprises at least one probability value, wherein the at least one probability value represents a likelihood that the at least one input element corresponds to a tooth wear class. Further, the method comprises assigning the tooth wear class to the at least one input element and registering tooth wear on the at least part of the virtual 3D model (101) based on the assigned tooth wear class to the at least one input element. The at least part of the virtual 3D model (101) is displayed with the registered tooth wear.

A personal care device is provided that includes a cleaning unit having a body portion and a set of cleaning elements extending along an alignment axis, a controller, and an actuator assembly arranged to be driven by the controller. The actuator assembly includes an actuator configured to generate a first periodic motion and a second periodic motion, the first periodic motion and the second periodic motion operating at different frequencies or out of phase with each other. The first periodic motion moves the cleaning element in a first direction around a central axis of the personal care device or along a line tangential to a platen of the cleaning unit. The second periodic motion moves the cleaning element in a second direction different from the first direction, the second direction being perpendicular to the platen of the cleaning unit.

Devices, systems, and methods of the present disclosure are generally directed to facilitating user control of high-pressure flow of liquid for oral irrigation carried out as part of personal dental care. Such control over high-pressure flow may reduce the likelihood of errant spray of liquid outside of the user's mouth (e.g., onto mirrors, countertop surfaces, or the user's clothes). Such improved control over errant spraying may reduce the potential for frustration and, thus, may promote maintaining oral irrigation as part of a personal dental care routine. Further, or instead, through facilitating user control of high-pressure flow of liquid, the devices, systems, and methods of the present disclosure may improve the effectiveness and efficiency of self-administered oral irrigation in promoting a user's oral hygiene.

The present disclosure is concerned with a personal care device having an energy source arranged for being removable, the personal care device having an outer housing having a detachable closure element at one end, the detachable closure element enabling access to a cavity of the outer housing after detachment, a chassis disposed in the cavity of the outer housing, the chassis holding the energy source, the chassis having a blocking structure such as a charging coil holder positioned between the energy source and the closure element along an energy source removal direction, the energy source having a first electrical connector non-permanently coupled with a first electrical connector partner and a second electrical connector non-permanently coupled with a second electrical connector partner, the first electrical connector partner and the second electrical connector partner being secured at the chassis, the chassis being arranged for removal from the cavity of the outer housing along a chassis removal direction when the closure element is detached, and the blocking structure having at least one holder arm with a neck section provided for a severance cut so that the blocking structure can be bent away after the severance cut to allow removing the energy source from the chassis.

Disclosed in the present application are a drive device used for oral cleaning, a brush handle assembly, and an oral cleaner. The drive device at least comprises a drive body and a motion detection component. The drive body extending along a first axis comprises a stationary assembly and a rotating assembly, the rotating assembly being rotatably mounted on the stationary assembly, the stationary assembly at least partially surrounding the rotating assembly, and an accommodation chamber being formed in the stationary assembly. The motion detection component located in the accommodation chamber comprises a motion detection assembly and a motion feedback assembly, the motion feedback assembly being connected to the rotating assembly and rotating along with the rotating assembly, the motion detection assembly being directly connected to the stationary assembly, and the motion detection assembly determining a motion position of the rotating assembly by means of the motion feedback assembly. The present application can improve the control effect on oral cleaners, thereby improving the use experience of users.

The present disclosure is directed to a low-cost toothbrush with a simple-to-manufacture design that provides a tapping motion of the brush head. In an embodiment, a dental cleaning device includes an eccentric rotating mass motor and a drive shaftmechanically coupled to the motor. A spring element is mounted to the drive shaft in a configuration in which it acts in a direction perpendicular to the axis of the drive shaft. The spring element and drive shaft form an assembly having a resonant frequency. A power source supplies to the motor power sufficient to cause the motor to operate near the resonant frequency of the assembly.

The application discloses a support assembly of an electric toothbrush and the electric toothbrush, wherein the support assembly of the electric toothbrush comprises a support body and an elastic buffering component; the support body comprises a main body part and a connecting structure which are connected to each other, a battery mounting bin is formed in the main body part, and the connecting structure is provided with a plug-in matching part; the elastic buffering component comprises a mounting cylinder, a motor mounting cavity is formed in the mounting cylinder, and the mounting cylinder is provided with a motor buffering part; the motor buffering part is plug-in fixed with the plug-in matching part in the axial direction of the mounting cylinder, so as to connect the support body and the elastic buffering component; the motor buffering part is provided with a circumferential buffering surface and an axial buffering surface; the plug-in matching part is provided with a circumferential matching surface and an axial matching surface, the circumferential matching surface is in abutting matching with the circumferential buffering surface in the axial direction of the mounting cylinder, and the axial matching surface is in abutting matching with the axial buffering surface in the axial direction of the mounting cylinder. The support assembly of the electric toothbrush can realize multidimensional shock absorption, and effectively improves the shock absorption effect of the whole support assembly.

An oral care system that includes an oral care implement and a tracking attachment. The oral care implement may include a handle and a head. The tracking attachment is detachably coupled to the oral care implement. The tracking attachment may include a first component comprising a first housing having an inner surface that defines a first cavity and a second component comprising a second housing having an inner surface that defines a second cavity. When the tracking attachment is coupled to the oral care implement, a first portion of the handle is positioned within the first cavity and a second portion of the handle is positioned within the second cavity.