31 results about "Dental bur" patented technology

The working tooth to be treated is prepared in the patient's mouth. A guide device is fastened onto the tooth to fix its position. A cutting device inserted into the guide device is moved, so that the flange of the cutting device slides along a slot extending within the guide device and makes contact with it, and the tool of the cutting device removes a portion of the working tooth, thereby forming the prepared surface of the working tooth. The tool includes a portion with a curved profile in the plane containing the axis of the tool, so that the working tooth is rounded by its tool portion. The cutting device and guide device are removed from the patient's mouth. A dental alignment device is fastened onto multiple teeth, including the working tooth, so that the prepared surface and the dental alignment device face each other.

The utility model provides a kind of automatic flushing's implant tooth drill, it is related to dental technology field, including implant mobile phone, the inside one end of implant mobile phone is equipped with motor, the lower end of implant mobile phone and the side close to motor swing through installation is equipped with transmission shaft, the upper end of transmission shaft is connected with the output end of motor, and it is equipped with flushing mechanism between transmission shaft and implant mobile phone.The utility model in the present application is equipped with flushing mechanism, without additional medical staff hand-held hose flushing operation, let outside implant machine pass through liquid inlet pipe and send flushing liquid to temporary storage tank, then it is directly sprayed in the contact area between drill head and gum from spray head by liquid discharge pipe, the synchronization automation of drilling and flushing is realized, manpower input is reduced, and the stability problem caused by hand-held hose is avoided, ensure that water flow can accurately, continuously act on target area, effectively guarantee the definition of surgical field, improve the overall stability of implant processing process.

Depth-Limiting Dental Bur for Cavity Preparation

A dental handpiece system includes a dental handpiece for operating a dental burr and providing a stream of water to the dental burr for cooling a tooth being acted upon by the dental burr. The dental handpiece further includes a flush water port for providing a flush water stream that is directed away from the dental burr to allow the dentist to flush a work site in a patient's mouth. The dental handpiece can also include an air outlet for providing a stream of air that is also not directed to the dental burr and that can be used to dry other dental instruments as well as work sites in the patient's mouth.

One embodiment of the present invention provides a dental drill comprising: a main body fastened to a driving means so as to be rotatable in one direction; a cutting part which extends from the main body and which provides, during rotation of the main body in one direction, both a drilling function of drilling the alveolar bone and a burnishing function; and a stopper which is formed between the main body and the cutting part and which limits the drilling depth of the cutting part, wherein the cutting part includes a spiral groove which is formed on the outer surface thereof in the direction opposite to the one direction, and through which alveolar bone particles generated during drilling of the alveolar bone are discharged.

The invention provides a bur for preparing the lower gingival edge of a posterior tooth area, and relates to the technical field of dental bur, the bur comprises a working part and a handle part, the working part comprises a head part and a neck part, the neck part is connected between the head part and the handle part, and the head part comprises a round head part, a gradually-expanding part, an arc part and a gradually-shrinking part which are sequentially arranged from front to back; the joint of the arc part and the tapered part reaches the maximum diameter, the distance between the joint and the tail end of the head part is smaller than that between the joint and the front end of the head part, a cutting edge is arranged on the periphery of the divergent part and forms a cutting area, and the arc part and the tapered part are provided with smooth surfaces and form a guide area; the problems that in the prior art, a conventional machine needle does not have a targeted structural design for preparation of lower teeth of posterior gingiva, the operability is poor, and the trauma risk is high are solved.

One embodiment of the present invention provides a dental drill comprising: a hollow drill body that accommodates alveolar bone chips generated when forming an implant bed in the alveolar bone; a cutting part that is formed at an end of the drill body and forms the implant bed in the alveolar bone as the drill body rotates; and a pair of windows penetrating through the outer circumferential surface of the drill body and disposed to face each other, wherein the horizontal widths of the pair of windows are different from each other.

The waveguide laser dental drill device comprises a liquid supply system, a water pipe, a laser, an optical fiber, a handle, a hinge, a shell, a nozzle, a coupling cavity, a sealing ring and a liquid flow column are included; the liquid supply system guides liquid with pressure into a coupling cavity in the shell through a water pipe arranged in a hollow handle and a hinge, and then the liquid is sprayed out through a small hole in the center of a nozzle and kept as a cylindrical ejected water flow to form a liquid flow column. Laser is totally reflected in a cylindrical liquid jet, namely a liquid flow column, and is transmitted to the tooth surface along a water jet. No mechanical force effect exists in the using process, microminiaturization and medical treatment of medical equipment are facilitated, normal saline is adopted for the first time for liquid supply of the waveguide laser system, and the waveguide laser system fits the human tissue environment; the waveguide laser switch is controlled in a pedal mode, and safety and controllability are achieved; the dental caries removing efficiency is high, postoperative recovery is fast, and the composition is more suitable for children and old people; the operation cost is low and the comprehensive technical effect is excellent.

The utility model relates to the technical field of dental bur processing, and discloses a tail nail grinding device for dental bur blank processing, which comprises a screening component, a screening part, a moving strip, two baffle plates, a connecting rod and an inserting plate, the two baffle plates are arranged at one end of the moving strip, the two moving strips are arranged on the inner walls of the baffle plates, and the connecting rod is arranged on the inserting plate. The connecting rod is arranged at the bottom of the shielding plate; the inserting plate sleeves the outer side of the moving strip; and the driving assembly is arranged at the bottom of the connecting rod and comprises a driving part, the driving part comprises a first bevel gear, a second bevel gear, a supporting frame and an inserting rod, and the second bevel gear is arranged on one side of the first bevel gear and engaged with the first bevel gear. The automatic feeding device has the advantages that the to-be-machined bur blanks are stored in the stock bin, feeding is conducted through vibration of the stock bin, blocking during feeding can be prevented, the bur blanks are prevented from being sent to a detection station, the visual system transmits information such as detection results, coordinates and directions to the mechanical arm, manual operation is not needed, and work efficiency is improved.

The utility model belongs to the technical field of medical instruments, and particularly relates to a side cutting dental drill for dental implantation, which comprises a connecting part and a cutting part axially arranged at one end of the connecting part, and a plurality of spirally distributed chip grooves are arranged from the front end of the cutting part to the tail end connected with the connecting part. Spiral side cutting edges which are distributed along the chip grooves and act in the circumferential direction are arranged between the adjacent chip grooves, and a plurality of tooth-shaped side cutting edges acting in the axial direction are arranged on the spiral side cutting edges. Through multiple cutting-in of the spiral side cutting edge and the axial tooth-shaped fine cutting edge, smooth and uniform cutting can be achieved on the side wall of the alveolar bone, side wall burrs and micro-cracks are reduced, the forming quality of the side wall of an implant nest is remarkably improved, and tight attachment of an implant and bone tissue is facilitated. Due to the geometric angle of the side cutting blade peak and the side cutting invasion blade, the cutting force is more concentrated and sharp, the side cutting resistance and the vibration amplitude are reduced, the hand feeling of a doctor is improved, and meanwhile the operation vibration feeling of a patient in the side cutting stage is reduced.

A smart storage and access control system for rotary instruments such as dental burs is provided. The system includes a base with at least one collet configured to secure or release a rotary instrument. A user authenticator is included to verify user identity and authorization, as well as a controller operatively connected to the authenticator and collet. Upon verification, the controller signals the collet to release or retain a rotary instrument associated with a user. The system may include sensors for detecting instrument presence, visual indicators for status display, and a protective cover that disables release when open. A cam-driven collet mechanism converts motor rotation into linear movement for secure clamping. The controller may record access data in a tamper-resistant digital ledger and analyze usage patterns using artificial intelligence to predict maintenance needs. The disclosed system and methods improve accountability, security, and reliability for usage of precision rotary instruments.

A dental bur depth calibration device having a main body configured to receive a dental bur. The main body comprising a first surface and a second surface defining a thickness there between, and a hole or cavity extending between the first and the second surfaces. The hole having an upper section, a lower section, and an intermediate section, at least parts of the intermediate section tapering between the upper and the lower sections. The intermediate section configured to support the dental bur when placed within the hole or cavity, and each of the sections defining a depth of the hole or cavity. The upper section defines a first diameter and the lower section defines a second diameter less than the first diameter, the upper section being adjacent to the first surface.

The utility model belongs to the technical field of bur disinfection, and particularly relates to a dental bur disinfection box which comprises a storage box and a box cover covering an opening in the top of the storage box, a bur hanging plate is placed in the storage box, and a plurality of bur holes are formed in the top of the bur hanging plate in a rectangular distribution mode. A locking assembly is installed at the bottom of the needle hanging plate and comprises two sets of rod frames fixed to the bottom of the needle hanging plate, guide rods are fixedly connected between the opposite faces of the two rod frames in the same set, and a plurality of locking bodies are slidably installed between the two guide rods at equal intervals. According to the dental bur disinfection box, a bur is clamped between the two clamping strips to be fixed, so that even if the bur hanging plate is in an inverted state, the bur cannot fall off from the bur hanging plate due to gravity as the bur is clamped between the two clamping strips, the bur placing stability is improved, the bur placing state flexibility is also improved, and the bur disinfection box is convenient to use. And moreover, the needle head faces upwards, so that a doctor can find a proper machine needle more conveniently.

This invention discloses a dental bur and its manufacturing method. Through a step-by-step multi-layer abrasive application and vacuum brazing technology, a durable and efficient diamond bur with multiple layers of abrasive grains of equal height but uniform exposure height is obtained. This effectively solves the problem of chip space, reduces the heat generated during use, and promotes healthy tooth growth.

The utility model relates to the technical field of medical instruments, and discloses a dental operation turning needle which comprises a clamping assembly, a clamping piece, a fixed base, two convex blocks, two rotating rings, a gear ring and a clamping block, the convex blocks are arranged on one side of the fixed base for clamping, the fixed base is arranged on one side of the convex blocks, the rotating rings are arranged on the other side of the convex blocks, and the gear ring is arranged on the clamping block. The gear ring is arranged on one side of the rotating ring, and the clamping block is arranged on the inner wall of the gear ring in a clamped mode. And the driving assembly is arranged on one side of the rotating ring and comprises a driving piece, the driving piece comprises a connecting shaft, two rotating discs and a driving strip, and the two rotating discs are arranged on the outer side of the connecting shaft in a sleeving mode. The utility model has the beneficial effects that the bur and the handle can be clamped through extrusion, and compared with the traditional connection mode, additional tools such as tweezers and pliers are not needed, so that the complexity of operation is reduced, and the damage to the bur and the handle possibly caused by the use of the tools is also avoided.

The utility model discloses a dental car needle assembly with limiting, including dental car needle and limiting piece, the limiting piece is equipped with the limiting hole, dental car needle passes the limiting hole and forms transverse restraint, and the grinding head of dental car needle projects the limiting hole and completes grinding work, still including dental preparation guide plate, the dental preparation guide plate is equipped with the limiting guide slot, and the limiting piece is located in the limiting guide slot and forms transverse restraint. The utility model discloses a dental car needle assembly with limiting, through the limiting guide slot design of integration car needle limiting piece and dental preparation guide plate, makes dental car needle be able to accurate grinding in three -dimensional space, and limit the depth, angle and trajectory of car needle, and the precision and efficiency of dental preparation are improved significantly.

The dental bur comprises a working part and a handle part which are connected with each other, and the working part comprises a safety structure, a pinniform structure and a cutting structure which are connected in sequence. The safety structure can be in contact with the gingiva or adjacent teeth during adjacent or subgingival operation, so that damage to soft tissues or healthy teeth is avoided. A plurality of right-handed rotation grooves and a left-handed rotation groove are formed in the peripheral side of the working part, the right-handed rotation grooves spirally extend towards the handle part from the safety structure in the axial direction of the working part, pinniform blades and cutting blades are formed between the adjacent right-handed rotation grooves, and redundant cutting on a tooth body can be reduced when the tooth body is prepared by gradually narrowing the front ends of the pinniform blades; and the original form of the tooth shoulder region is reserved to the greatest extent. The left-hand groove spirally extends towards the handle part from the tail end of the feather-shaped blade in the axial direction of the working part, the left-hand groove cuts the cutting blade to form a plurality of cutting teeth and cutting grooves which are distributed discontinuously, a discontinuous tooth-shaped blade-shaped structure is formed, and the cutting-in and grasping effect equal to that of a carborundum structure can be achieved.

This invention discloses an automated production line for deburring dental burs, comprising a deburring mechanism for deburring dental burs, a vision inspection mechanism for inspecting the deburred burs, a pressing mechanism for pressing the deburred burs onto an electroplated insert plate, and a spatial transfer mechanism for transferring the dental burs. The deburring mechanism includes a deburring machine and a deburring worktable. The vision inspection mechanism includes a detection camera for acquiring images of the deburred burs and an image recognition processing system for image processing. The pressing mechanism includes a needle plate fixing mechanism for fixing the electroplated insert plate, a pressing plate for receiving the dental burs and pressing it onto the electroplated insert plate, and a pressing mechanism for driving the pressing plate to move spatially. This production line has advantages such as high production efficiency, stable and high product quality, and high positioning accuracy of the electroplated pressing needles.

The utility model discloses a dental bur management box which comprises a box body for containing bur, the box body comprises a base and a box cover, and the box cover is buckled on the base; at least one inserting groove is formed in the base, the inserting grooves are formed in the upper surface of the base in the circumferential direction, and a plurality of vertical protruding strips are arranged on the first inner wall of each inserting groove at intervals so that the first inner wall can form a wave shape. A groove is formed in the middle of the upper surface of the base to form a collecting cavity. The bur fixed on the dental bur management box is not easy to loosen and scatter, and the used bur can be intensively placed.

According to the medium-high cobalt gradient hard alloy material provided by the invention, a gradient structure is formed in situ by calcining raw materials, the surface layer part of the gradient hard alloy material does not contain a brittle Ti cubic phase and a Zr-containing cubic phase, the gradient hard alloy material has high toughness, the subsurface layer part contains the Ti-containing cubic phase, the interior contains the Ti-containing cubic phase and the Zr-containing cubic phase, and the hardness and the plastic deformation resistance are high; and the plastic deformation requirement and the hardness requirement of the dental bur under the contact collision action with high-hardness enamel on the surface of irregular teeth in the use process can be met.

The utility model relates to oral cavity bur corrosion resistance detection equipment in the field of medical instruments, which comprises a working table, a detection box is fixed on the side wall of the top of the working table, a liquid outlet pipe is fixedly connected to the middle of the side wall of the detection box, the detection box and the liquid outlet pipe are hollow and are communicated, a cleaning assembly is arranged in the middle of the inner side wall of the detection box, and the liquid outlet pipe is communicated with the cleaning assembly. A vertical plate is fixedly connected to the side wall of the top of the workbench, a top plate is fixedly connected to the side wall of the top of the vertical plate, the top plate is arranged above the workbench, and a liquid injection assembly is arranged in the middle of the side wall of the top plate. The situation that due to the fact that dirt or residues are attached to the surface of the oral bur, a corrosion medium accelerates the corrosion process of the bur, and consequently the accuracy of a test result is interfered is reduced, and therefore potential interference factors can be removed by cleaning the surface of the oral bur, and the test result is more accurate and reliable.

The invention relates to the technical field of surgical navigation, and discloses an oral implant surgical navigation optimization method, which comprises the following steps: performing three-dimensional surface reconstruction on an oral image to obtain a tooth surface model; according to an initial transformation matrix from the oral cavity image to the dental drill point, obtaining a first coordinate of the drill point in an oral cavity image coordinate system; and correcting the initial transformation matrix according to the first coordinate and the shortest spatial distance of the tooth surface model to obtain a target transformation matrix. Through a distance deviation detection and matrix feedback correction mechanism, pose errors caused by mechanical deformation, patient micromotion or optical distortion are compensated in real time in an operation, so that the display position of a dental drill point in an image space is kept consistent with an actual physical position, and the defect that dynamic errors cannot be corrected through traditional static calibration is overcome. And the precision of surgical navigation is improved, so that the requirements of high-precision oral implant surgery are met. The invention further discloses an oral implant surgery navigation optimization device and system and a storage medium.

A working tooth to be treated in the mouth of a patient is prepared. The guide device is secured to the tooth to secure its position. A cutting device inserted in the guide device is moved such that a flange of the cutting device slides along and contacts a slot in the guide device and such that a tool of the cutting device removes a portion of the working tooth, thereby forming a preliminary surface of the working tooth. The tool includes a portion having a curved profile in a plane including an axis of the tool such that the working teeth are rounded by the tool portion. The cutting and guiding device is removed from the mouth of the patient. An orthodontic device is secured to a plurality of teeth including working teeth such that the orthodontic device faces the preparation surface.

The utility model discloses a depth-limiting guider for an implant tooth drill, and belongs to the technical field of oral medical instruments. Aiming at the problem that the depth cannot be limited during the operation of a dental drill in the prior art, according to the depth-limiting guider for the dental implant drill, the guide ring can be replaced in time when different patients or illness conditions are handled through the detachable arrangement of the guide ring, and the application range of the guider is expanded. Meanwhile, the depth limiting sleeve is fixedly arranged on the upper portion of the annular sleeve, the grooves with different depths are formed in the depth limiting sleeve, and when the dental drill is operated, the dental drill is directly controlled to move downwards into the groove with the corresponding depth, so that the drilling or grinding depth can be accurately controlled. Due to the arrangement of the second guide part, the first guide part can serve as a replacement part when damaged, or guide rings of different specifications are installed in the second guide part to save the replacement frequency.

The kit (1) for guided dental surgery comprises: - a set of dental burrs (Fi, F2, F3, F4, F5, Fe, F?), each of which is provided with: - a proximal portion (2); - a distal working portion (3); - an attachment portion (5); a plurality of bushing elements (Bi, B2, B3, B4, B5, Be, B?), each of which is fittable around the dental burrs (Fi, F2, F3, F4, F5, Fe, F?) and provided with: - a proximal stretch (15) which may be joined to the attachment portion (5) of the dental burrs (Fi, F2, F3, F4, F5, Fe, F?) in a removable manner; - a distal stretch (16); - a shouldered stretch (18).

The invention discloses a two-hole water spraying elevation angle dental handpiece and a cooling control method thereof. The two-hole water spraying elevation dental handpiece comprises a connecting section, a transition section and a handpiece body which are connected in sequence, the handpiece body is provided with a machine needle, two water spraying holes are formed in the front end of the handpiece body, a water inlet pipe is further arranged in the front end of the handpiece body, the two water spraying holes are both communicated with the water inlet pipe, outlets of the water spraying holes are formed in the front end of the handpiece body, and the water spraying holes are communicated with the water inlet pipe. And the water spraying holes are inclined towards the axis of the machine head body, so that the water outlet track of the water spraying holes can be intersected with the machine needle. The two water injection nozzles are arranged to inject water to the bur, so that the bur can be well cooled, and bloodstain and chippings can be flushed. And the water spraying holes are formed below (above) the machine needle, so that even if the water flow is relatively large, visual interference on the operation of a doctor is avoided, and the operation of the doctor is facilitated.

The utility model discloses a tooth knife clamping structure which is safe and reliable in machining of sealing teeth on the two sides of a sealing groove and high in production and machining efficiency, and the size of a machined product is stable. The device comprises a clamping sleeve; the sleeve comprises a sleeve part and a sleeve positioning convex ring, the sleeve positioning convex ring is arranged at the front end of the sleeve part, an axial through mounting hole is formed in the radial center of the sleeve, a threaded mounting hole is formed in the radial direction of the sleeve positioning convex ring, and the inner end of the threaded mounting hole is communicated to the axial through mounting hole; a locking bolt; the tooth knife body comprises a knife body clamped part, a transition part and a blade part, the knife body clamped part is of a cylindrical structure, the front end of the knife body clamped part protrudes forwards to form the transition part, and the front end of the transition part protrudes forwards to form the blade part; the clamped part of the cutter body is inserted into the front end area of the axial through hole, and the cutting edge part is arranged in a forward protruding mode.

The utility model relates to the technical field of dental drill, disclose a kind of dental drill set for navigation operation root canal internal passage establishment, including quick dental drill assembly and slow dental drill assembly, quick dental drill assembly and slow dental drill assembly all include the front tooth dental drill and back tooth dental drill of different total length, front tooth dental drill and back tooth dental drill all include sequentially connected fixed part, transition part, needle bar part and needle tip part, the taper of needle bar part is set as 0, the diameter of needle bar part is consistent with needle tip part, needle tip part is provided with multiple grooves along axial direction;The end of the fixed part of slow dental drill assembly is provided with mounting interface.The utility model reduces the lateral force caused by taper, reduces the block to dental drill into the deep part of tooth root, reduces the influence of lateral force on operation accuracy and the risk of dental drill breakage;Adapt to the operation of patients with different opening degree and different position teeth;Increase longitudinal groove on existing dental drill, beneficial to cold water entering, play the role of cooling.

A dental bur (1), an implant handpiece (2), and a dental drilling device. The dental bur (1) comprises: a sleeve (11), an axial first end of the sleeve (11) being configured to be drivably connected to a drive part (23) of the implant handpiece (2) so as to rotate under the driving of the drive part (23); a cutting rod (12), an axial first end of the cutting rod (12) being located in the sleeve (11), the cutting rod (12) being telescopically arranged relative to the sleeve (11) in the axial direction, and the cutting rod (12) being configured to have a synchronous rotation state with the sleeve (11); and a cutting portion (13) connected to an axial second end of the cutting rod (12), the cutting portion (13) being close to or away from the axial second end of the sleeve (11) following the telescopic movement of the cutting rod (12) relative to the sleeve (11).

The dental bur storage box comprises a box body and a disinfection chamber in the box body, the box body is provided with a box cover, a sealing ring and an opening and closing mechanism, the box cover and the box body are opened and closed through the opening and closing mechanism, sealing is formed after the box body and the box cover are closed, and the opening and closing mechanism comprises a delay assembly and a safety assembly. The safety assembly is movably connected with the box cover and used for exhausting redundant gas in the disinfection chamber, the time delay assembly is used for being matched with the box cover and the box body to seal the disinfection chamber after pressure in the box body is increased, the time delay assembly is movably arranged on the box cover, and the box body is rotationally connected with the box cover. The time delay assembly can be matched with the box body and conduct circumferential rotation limiting on the box cover along the box body, an adaptive box detachably connected with the bur storage box is arranged in the disinfection chamber, and a plurality of through holes used for draining accumulated water are formed in the adaptive box. The disinfection effect is good, and the opening and closing mode is simple.