304results about "Dental surgery" patented technology

A trial (test) power toothbrush designed to emulate the performance of a corresponding commercial toothbrush, powered by a non-rechargeable battery. The power to drive the toothbrush is controlled by a control circuit which is responsive to the battery to maintain the drive power at approximately the level of the commercial unit and a short “trial use” period, i.e. one month / 30 days, and then to terminate operation of the power toothbrush. The trial toothbrush may then be readily disposed of by the user, including the battery therein.

An electric toothbrush having an elongated body having a handle portion, a head portion, and an elongated intermediate portion disposed between the handle portion and the head portion. The head portion includes a static bristle portion and a moving bristle portion. The static bristle portion and the moving bristle portion are disposed along a common longitudinal axis relative to the head portion. The head portion and intermediate portion are dimensioned for disposition in a human user's mouth for brushing of teeth. A motor is disposed in the handle portion and operatively connected to the moving bristles for moving the moving bristles.

The present invention discloses the present invention discloses a power toothbrush that includes a body portion 105. An elongated level arm 102 extends from one end of the body portion to a toothbrush head 101 disposed at a distal end of the toothbrush. The toothbrush head includes a plurality of brush bristles. The elongated lever arm 102 is mounted on a vibrating pivot 104 driven by rotational DC motor engaging and pushing a set of permanent magnets attached to a two-arm fork rotating along the lever arm 102. In a preferred embodiment, the DC motor drives a three-leg permanent magnets each disposed at a 120-degree phase from each other for driving the two-arm fork for generating a vibration that three-times the frequency of the DC motor's rotational frequency.

A denture is adapted to communicate with a radio frequency identification (RFID) reader. The denture includes a denture main body and at least one RFID tag embedded in the denture main body for storage of identification information of a user of the denture. The RFID tag transmits the information to the RFID reader by radio frequency wave.

An electric toothbrush comprises a body portion and a head including a motor, a moving portion, a handle, and a gear arrangement between the moving portion and the motor. The moving portion rotates, oscillates and / or reciprocates about an axis normal to a longitudinal axis of the head. The moving portion can include stiff bristles and massaging tips and the static portion can include soft bristles and massaging tips. The body portion houses the motor. A switch is operatively connected to the motor to provide momentary or continuous operation of the toothbrush. In one embodiment the gear arrangement includes a shaft, a worm gear and a pair of step gears. In another embodiment the gear arrangement includes a plurality of gears and at least one swivel arm for drive the moving portion in a rotating, oscillating or reciprocating manner.

A toothpaste dispensing automatic toothbrush includes a head member mounted atop a body member with a brush head releasably coupled to the head member. A reservoir for containing toothpaste is positioned in the body member along with a pump assembly and first motor. The first motor is connected to a battery and drives the pump assembly when actuated by depression of a first switch whereby to urge toothpaste from the reservoir through a channel and onto bristles of the brush head. The brush head includes a rotor with rotor bristles that is operatively connected to a second motor. The second motor may be energized upon actuation of a second switch to cause movement of the rotor. A recharging base may be included for recharging a rechargeable toothbrush battery.

A powered toothbrush having a curved neck, a flexible shaft within the neck and a single battery is provided. In a preferred embodiment, a powered toothbrush having a curved neck of a constant radius, a flexible unitary shaft, a single battery power source and a clutch mechanism to disengage the flexible shaft from a drive mechanism upon overload is provided.

A toothpaste dispensing automatic toothbrush includes a head member mounted atop a body member with a brush head releasably coupled to the head member. A reservoir for containing toothpaste is positioned in the body member along with a pump assembly and first motor. The first motor is connected to a battery and drives the pump assembly when actuated by depression of a first switch whereby to urge toothpaste from the reservoir through a channel and onto bristles of the brush head. The brush head includes a rotor with rotor bristles that is operatively connected to a second motor. The second motor may be energized upon actuation of a second switch to cause movement of the rotor. The invention may include a recharging base for recharging a rechargeable toothbrush battery.

An electric toothbrush with a rechargeable battery includes a chassis having a rechargeable battery receiving section and a bobbin section, which are integrally formed to each other and are aligned along a common axis in said order. The rechargeable battery receiving section and the bobbin section are connected to each other by a pair of connecting arms extending generally parallel to each other. A rechargeable battery with tongue shaped terminals is accommodated in the rechargeable battery receiving section. In the chassis two openings are formed to have an easy access to the tongue shaped terminals. At a time of disposal of the electric toothbrush, a user can remove the rechargeable battery by cutting the arms to remove the bobbin section, and cutting the tongue shaped terminals to remove the body of the battery. In other embodiments, an inductive charger and method of forming the same is disclosed.

A gingival massaging device comprising a dental arch shaped body for positioning within the oral cavity between the gingiva and the tissue linings of the lips, and the teeth, wherein the body comprises an internal track along which a plurality of massaging elements for massaging the gingiva are movable, wherein adjacent massaging elements are connected to each other by a mechanical linkage, wherein the device further comprises a shifting mechanism for moving the massaging elements along the track.

A powered toothbrush is provided and includes a handle portion having a neck formed at one end and a head coupled to the neck. The handle portion is adapted to receive a pair of batteries therein. The head includes a base, and one or more carriers coupled to the base. At least one of the carriers is operatively connected to a drive for moving the one or more coupled carriers in respective directions. The one or more carriers have bristles, elastomeric cleaning members, or a combination thereof extending outwardly therefrom. The pair of batteries are positioned at a predetermined angle relative to a face of the carrier.

The invention discloses a method for building a three-dimensional tooth-and-jaw fusion model. The method includes the steps that data is collected in the occlusion state, and a skull CT image is rebuilt, laser scanning of a gypsum occlusion model is subjected to digital processing; picture processing and the image matching function are based on a reverse engineering software Geomagic Studio, a method based on point matching and the iterative algorithm are combined in the reverse engineering software, a gypsum dentition occlusion model and CT rebuilt dentitions are matched, indistinct CT rebuilt dentitions are replaced, and finally, the three-dimensional tooth-and-jaw fusion model matched in the occlusion state that a CT rebuilt jaw model and the gypsum dentition occlusion model are integrated is obtained. CT imaging artifacts caused by intraoral metal and the error, caused by upper-and-lower-jaw dentition overlapping in the occlusion state, between the occlusion relationship and the practical intraoral occlusion position in the fusion model are reduced, and therefore the accuracy of computer aided design and the treating effect are improved.

An electric toothbrush including a handle, a battery and a motor in the handle, a head, and a tuft carrier movably mounted on the head for oscillation about an axis. The tuft carrier also moves axially as the carrier oscillates. This three-dimensional motion is provided by a plurality of cams and a plurality of cam followers on the head and the tuft carrier. The cam followers engage the cams such that as the tuft carrier oscillates back-and-forth, the cam followers ride up and down over the cams consequently raising and lowering the tuft carrier with respect to the toothbrush head.

An electric toothbrush includes a head having a moving portion, a handle, and shaft between the head and the handle. An body portion is hollow and further includes a motor operative to generate motion for driving the moving portion. A battery is located within the hollow section for powering the motor. A First switch, operatively connected to the motor provides momentary operation of the toothbrush. Optionally, a second switch provides for continuous operation of the toothbrush. The first switch can be operated while the toothbrush is in a toothbrush package, such as, for example, a plastic blister pack. A consumer can momentarily observe the operation of the toothbrush before purchasing the toothbrush. The consumer cannot operate the second switch and is thereby prevented from leaving the toothbrush in a battery draining operational mode for extended periods of time.

Disclosed is an electric toothbrush capable of applying large vibration to the brush by small vibrations of a vibration source. An electric toothbrush (100) is provided with a tubular casing (20) and a vibrating body (30) that applies vibration to a brush (42), one end of which is positioned in the interior of the casing (20), while the other end thereof is arranged so as to project to outside the casing from an aperture (20a) at the tip of the casing, the brush (42) being positioned in the vicinity of this other end. A vibration source (10) is arranged at one end of the vibrating body (30), and the outer peripheral surface of the vibrating body (30) is supported in a position that is more offset towards the vibration source (10) than the centre of this vibrating body (30) in the longitudinal direction thereof.

The present invention belongs to the field of electric toothbrushes, and provides an electric toothbrush vibration intensity control method and an electric toothbrush vibration intensity control system. The electric toothbrush vibration intensity control method comprises: real-timely detecting the pressure data of a toothbrush head when the toothbrush head vibrates; calculating the pressure value of the toothbrush head according to the pressure data, and determining whether the pressure value is within a preset pressure range; controlling a motor to work at the vibration frequency and the pulse width modulation signal duty ratio corresponding to the pressure value when the pressure value is within the preset pressure range; and controlling the motor to work at a preset constant vibration frequency and a preset constant pulse width modulation signal duty ratio when the pressure value is not within the preset pressure range. According to the present invention, the pressure value of the toothbrush head is calculated by real-timely detecting the pressure data of the toothbrush head, and the vibration frequency of the motor and the pulse width modulation signal duty ratio input by the motor are regulated according to the pressure value, such that the vibration intensity of the toothbrush head can be automatically regulated, and the oral cavity can be effectively protected and cleaned.

The invention discloses a sterilized storage device for dental medical instruments, which comprises a box body, mutually symmetrical mobile damping wheels are fixedly connected to both sides of the bottom of the box body, and a first partition is fixedly connected to the middle part of the inner wall of the box body. The bottom side of the inner wall of the box body is fixedly connected with a waterproof motor box, and one side of the inner wall of the waterproof motor box is fixedly connected with the first motor through the first motor fixing table, and one side of the first motor is connected with the first pulley through the output shaft rotation, and the second The surface of a pulley is connected with a second pulley through a belt drive, and the second pulley runs through the waterproof motor box and extends to the outside of the waterproof motor box. The axis of the second pulley is fixedly connected with a fixed rotating shaft through a flat key. The invention relates to medical Device technology field. The sterilized storage device for dental medical instruments solves the problems of many deficiencies in existing disinfection methods for dental medical instruments and the problem that the storage environment may be subject to secondary pollution.

An electric toothbrush may comprise a handle at a first end of the toothbrush and having a motor disposed therein. The electric toothbrush may also comprise a head at a second end of the toothbrush. The head may comprise a first bristle group, a second bristle group, and a third bristle group. The head may further comprise at least one elastomeric element. Further, the head may comprise a moveable bristle holder which oscillates. The moveable bristle holder may comprise at least one elastomeric element in the shape of a prophy cup.

The invention belongs to the field of electronic toothbrushes and in particular relates to a children electronic toothbrush capable of adjusting intensity automatically and a use method. The inventionprovides the children electronic toothbrush capable of adjusting intensity automatically. The children electronic toothbrush comprises an MCU, a memory, a driving module and a toothbrush handle, wherein the MCU, the memory and the driving module are arranged inside the toothbrush handle; the MCU is used for transmitting signals to the driving module to drive the toothbrush to rotate; a database is arranged inside the memory; the database comprises appropriate tooth brushing intensity information of corresponding children of different ages and genders in different provinces. The invention further provides a method for using the children electronic toothbrush capable of adjusting intensity automatically. By adopting the children electronic toothbrush capable of adjusting intensity automatically, the most appropriate tooth brushing intensity for teeth of children in different areas is set up, areas, characters and ages can be selected, and the most appropriate tooth brushing intensity can be automatically selected by the children electronic toothbrush.

The invention discloses a toothbrush head switching reminding method and device as well as a toothbrush. Brush head information of brush heads mounted on a toothbrush handle is acquired; user archival information corresponding to each brush head is looked up according to the brush head information; brush head switching reminding information is output to electronic devices of N users sharing the toothbrush handle according to the user archival information, so that a user sharing the toothbrush handle can know which brush head on the toothbrush handle is the user's brush head, and the condition of cross infection and the like due to misuse of others' brush head is avoided.

The invention discloses an intelligent oral imaging electric toothbrush. The toothbrush comprises a toothbrush body and an electric toothbrush head which is detachably arranged on the toothbrush body, wherein a drive motor, a pressure sensor and a master control circuit board are fixed in the toothbrush body; a signal processing controller, a motor driver, a wireless communication module and a pressure detection circuit are arranged on the main control circuit board; the drive motor is connected with the signal processing controller through the motor driver; the pressure detection circuit is connected with the pressure sensor, and is used for outputting a digital voltage signal to the signal processing controller according to pressure changes of the pressure sensor; and the motor driver is controlled by the signal processing controller to regulate the vibration amplitude of the drive motor. Compared with the prior art, the intelligent oral imaging electric toothbrush has the advantages that self pressure can be regulated when teeth are brushed, the waterproofing effect is good, oral data can be collected to carry out health analysis processing and the like. Furthermore, the intelligent oral imaging electric toothbrush has a wireless charging function, and is applicable to electric toothbrushes, mobile phones and other electric equipment with wireless charging function.

The invention discloses a synchronous line fixing-moving joint restoration method. The synchronous line fixing-moving joint restoration method has the advantages that a scanning measurer, computer-aided design software of a dental prosthesis, a miniature SLM (synchronous line module)-metal 3D printer and a numerically-controlled milling machine are used for preparing all-ceramic and metal prosthesises, the fixing restoration of removable partial denture butment and the restoration of removable partial denture are synchronously completed, the clinical restoration efficiency of complicated cases is greatly improved, the clinical frequency of a patient is greatly reduced, and the chair-side operation time is shortened; the complicated procedure of traditional dental prosthesis manufacturing method is overcome, the manufacturing quality and stability of the prosthesis are improved, the purpose of quick, accurate and personalized manufacturing is realized, and the urgent demand of patients with tooth lack is well met.

An oral care implement that rotates about a longitudinal axis. In one aspect, the invention can be an oral care implement comprising: a head; a handle extending along a longitudinal axis and having a flat base surface; a mechanical vibratory device operatively connected to a power source, the mechanical vibratory device comprising an eccentric imparting movement to the head when activated; and wherein the flat base surface is oriented relative to the longitudinal axis of the handle so that the oral care implement can stand in a self-supporting upright orientation on a horizontal flat surface, and wherein when the oral care implement stands in the self-supporting upright orientation and the mechanical vibratory device is activated, the oral care implement rotates about the longitudinal axis while maintaining the self-supporting upright orientation.

An automatic interdental cleaner for cleaning between teeth more effectively and cleanly without hurting the gum between the teeth is disclosed. The cleaner comprises: a grip portion disposed therein with a battery and a motor and a power switch at one wall side; a power transmitting unit coupled to one end of the grip portion for supplying power from the grip portion and formed with a first insertion hole at a free end; an interdental brush portion including a brush holder having a shape corresponding to that of the first insertion hole of the power transmitting unit and also having one end insertedly fixed to the first insertion hole, and a brush fixed to the other end of the brush holder; and an adapter portion one end of which is coupled to the power transmitting unit and the other end of which accepts the interdental brush portion, such that spaces between the teeth can be automatically cleaned using the automatic interdental cleaner.

In one embodiment, an oral care system may include a toothbrush comprising a physical property, and a programmable processor configured to receive physical property data indicative of the physical property of the toothbrush. The programmable processor may be further configured to determine, based at least in part upon the received physical property data, a suggested brushing routine for a user and / or an evaluation of a brushing session of a user

The invention discloses a mouth holding type electric toothbrush which structurally comprises a shell, a power supply, a control panel, a bending device, a platform body, a tooth socket, a replaceable toothbrush head, a toothbrush head base, a tooth outer surface cavity, a tooth inner surface cavity, an upper and lower teeth middle cavity, and an electromagnetic vibration device. The electromagnetic vibration device is connected with the power supply and the control panel and is mounted in the tooth outer surface cavity, the tooth inner surface cavity and the upper and lower teeth middle cavity, the replaceable toothbrush head is mounted on the toothbrush head base, and the toothbrush head base is connected with the electromagnetic vibration device through a transfer bar. The mouth holding type electric toothbrush is reasonable and attractive in overall structure, is convenient to use, is directly put into a mouth when teeth are brushed, and alleviates the fatigue of tooth brushing after a user gets up in early morning. With the structural characteristics of the mouth holding type electric toothbrush, the dental face is cleaned at a time only by spending a small quantity of time, the electromagnetic vibration device and the bending device are reasonable in structure and save the space, the whole electric toothbrush is easily put in the mouth, and the toothbrush head is convenient to replace.

The invention provides an electric toothbrush which comprises a toothbrush main body, wherein a shaking device, a toothpaste supply device, a battery and a control unit are arranged in the toothbrush main body; the battery is used for supplying power to the shaking device and the toothpaste supply device; the control unit is used for controlling the shaking device and the toothpaste supply device; a soft hairbrush head is mounted on the toothbrush main body; flow guide micro-pores communicated with the toothpaste supply device are formed in the hairbrush head; the hairbrush head takes the shape of an arc matched with the teeth arrangement shape; a plurality of rows of bristles capable of coating an upper row of teeth and a lower row of teeth are respectively arranged at the upper part and the lower part of the hairbrush head. The electric toothbrush has the advantages that the tooth brushing time can be greatly shortened; meanwhile, double hands of a user are completely free, so that various crowds can use the electric toothbrush conveniently.

An oral care appliance and a method of use are disclosed. The oral care appliance includes a mouthpiece with one or more enclosed compartments between an outer surface and an inner surface of the mouthpiece. The inner surface comprises at least one flexible membrane surrounding the one or more enclosed compartments. The oral care appliance also includes a control unit configured to regulate pressure variations in the one or more enclosed compartments to deform the flexible membrane and thereby perform an oral care action.