173 results about "Arch wires" patented technology

The utility model relates to an orthodontic appliance and orthodontic system with traction locking function, which comprises a main body part and a cover body part, the main body part is provided with an arch wire groove, two sides of the arch wire groove form a first working wing and a second working wing, the main body part is provided with an assembling groove, and the assembling groove is used for detachably arranging a traction piece. The traction piece comprises a traction section, a connecting section and an adapting section which are connected in sequence, the adapting section is matched with the main body part, at least part of the connecting section is located in the assembling groove, a locking part is arranged on the connecting section in a protruding mode, and the locking part corresponds to the arch wire groove so as to be used for directly or indirectly limiting the arch wire. Therefore, the first orthodontic appliance does not move relative to the arch wire or moves a small distance, and the orthodontic efficiency can be improved. When the traction function does not need to be used, the whole traction piece can be detached from the assembling groove.

The invention relates to the field of orthodontics, in particular to a device for controlling palatal root movement of anterior teeth of an upper jaw and a manufacturing method. According to the device, the traction arm and the traction ring which extend to the palatal side of the anterior maxillary teeth are additionally arranged on the basis of the transverse palatal bar and are matched with the traction buckle of the anterior maxillary teeth to guide orthodontic force to act below a tooth impedance center, so that root control movement which is difficult to achieve by a traditional orthodontic method is realized, bending torque on an arch wire or placing other root control devices is not needed, and the whole device is simpler and more attractive; in addition, the device part is manufactured by adopting a 3D printing technology, firstly, tooth and intraoral soft tissue data of a patient are obtained by scanning the interior of an oral cavity, then the oral scanning data are matched with CBCT, a specific device is designed by using software, finally, a finished product is directly printed in a 3D manner, the transverse palatal bar and the traction buckle are completely matched with the tooth surface by adopting the 3D printing technology, and the comfort level is high.

The invention discloses a bending and forming device and a bending and forming process for a high-resilience arch wire, the bending and forming device comprises a straight long-strip mold, the long-strip mold is provided with an arch wire accommodating groove suitable for accommodating the straight arch wire, and the long-strip mold is suitable for being bent into an arch with a plurality of bent parts under the action of external force. After the arch wire is placed in the straight long-strip mold, the long-strip mold and the arch wire are bent together, so that the long-strip mold and the arch wire jointly form an ideal arch shape. In the invention, as the arch wire and the long-strip mold are bent together, the risk of pulling the arch wire is avoided, the diameter of the long-strip mold is thicker, the arch wire is easier to bend by a manipulator, and the arch wire is formed by one-step bending, so that the arch wire is bent more quickly and stably compared with the previous method that the arch wire is roughly bent firstly and then is bent into a groove, and the bending efficiency is improved. And the arch wire bending efficiency and effect are obviously improved.

The invention discloses a removable and wearable self-locking double-arch-wire correction system, which belongs to a fixed correction system and can be applied to tongue side correction or lip side correction. The device comprises a first arch wire, a second arch wire, a lock cover, a bracket and a self-locking mechanism, the first arch wire and the second arch wire are connected to the upper faces of the lock covers in a penetrating mode at the same time, a lock cover containing cavity is formed in the upper face of the bracket, the self-locking mechanism can be an active self-locking mechanism or a passive self-locking mechanism, the lock covers are fixedly locked in the bracket through the self-locking mechanism, and the first arch wire and the second arch wire are not in contact with the bracket. According to the invention, the problem of inaccurate correction force expression caused by the fact that the arch wire needs to provide clamping force is solved, and the problem of clearance angle caused by untight matching of the arch wire and the bracket is also avoided, so that arch wire data can be completely expressed; the covering area of the lock cover is large, the locking effect is good, the influence and limitation on unlocking are smaller, and meanwhile the wearing stability and the taking-off and wearing comfort of the arch wire are guaranteed.

The invention provides a spiral expansion device capable of expanding an arch bidirectionally, and relates to the technical field of medical instruments. The mounting block and the arch wire are of hollow structures, holes of the mounting block and the arch wire are communicated, a baffle is movably arranged on one side, facing the tongue, of the mounting block and the arch wire, a water pipe wrapping the fixing block is arranged at one end, connected with the fixing block, of the arch wire, a plurality of water outlet holes are formed in the water pipe, and water enters the mounting block by pressing the baffle and then is sprayed to the surfaces of the tooth fixing blocks through the arch wire and the water pipe for cleaning. A self-cleaning system without external power is constructed, food residues of the expansion device are efficiently removed through a dual cleaning mechanism (jet-pulse propulsion), bacterium breeding is effectively inhibited, the cleaning process is simplified, and the use compliance of a patient is remarkably improved.

The utility model discloses a band straight wire arch buccal tube forceps or pincers belongs to oral cavity orthodontic instrument technical field. Including two clamping arms, wherein: the clamping end of first clamping arm is equipped with the insertion end head, its cross section shape and the cross section of buccal tube arch wire channel match, can accurate insertion channel, the clamping end of second clamping arm is equipped with plane clamping part, its plane structure and the plane of buccal tube outside or downside surface are pasted, form the two -way clamping mode of insertion positioning clamping and plane support clamping. The insertion end head end is the passivation round angle structure, and the safety of convenient insertion and improvement is used, and the plane clamping part surface can be equipped with antiskid line to enhance friction. The utility model discloses through the structure cooperation design, solved the problem of traditional forceps clamping buccal tube when easy to slip, the operation unstable problem, has improved the clamping precision and clinical operation efficiency obviously, can be adapted to different models buccal tube, is applicable to the accurate installation of buccal tube in orthodontic treatment.

The utility model discloses a bow wire torque angle measuring device for measuring the size of the torque angle of the bending on the bow wire. The device comprises: an angle measuring scale, a clamp seat and a connecting base; the surface of the clamp seat is provided with a bow wire accommodating groove, one end of the bow wire accommodating groove abuts on the origin of the angle measuring scale, the extension direction of the bow wire accommodating groove is directly opposite to the origin of the angle measuring scale, and the reading is along the direction directly opposite to the angle measuring scale, so that the size of the torque angle on the bow wire can be accurately read. After the corresponding torque is bent, the doctor places the bow wire on the device to read the torque angle, and judges whether the torque of the bow wire is within the preset range through the reading. Therefore, after using the device, the accurate torque angle can be bent on the bow wire, the influence of the error of manual bending on the force expression effect of the bow wire is avoided, the force of the bow wire is more accurate, the correction effect is more delicate, and the treatment period is shortened.

The utility model discloses an active and passive annular locking plate self-ligating bracket, which comprises a bracket matrix provided with an arch wire groove, and further comprises an annular locking plate provided with an arc section and a concave section which are connected in sequence to form an annular structure with an opening, and an annular locking plate provided with an arc section and a concave section which are connected in sequence to form an annular structure with an opening, an annular groove is further formed in the portion, on the periphery of the arch wire groove, of the parent body, the annular groove is provided with a first annular groove opening, a second annular groove opening and an annular groove first transition section, and the groove width of the annular groove first transition section is larger than that of other portions of the annular groove. And the annular locking plate can rotate in the annular groove. The bracket disclosed by the utility model has the advantages that the bracket is simple in structure and convenient to lock, and active self-locking and passive self-locking can be realized at the same time.

The invention discloses a flip cover self-ligating bracket, which belongs to the technical field of orthodontic treatment, and comprises a bracket body, a flip cover and a pin shaft, the bracket body is provided with a bottom plate, a groove and a first buckle part, the flip cover is provided with a second buckle part matched with the first buckle part, and the bracket body and the flip cover are respectively provided with a hinge hole. And the pin shaft is arranged in the two hinging holes in a penetrating manner, so that the turning cover can rotate relative to the bracket body. In a locking state, the first buckling part and the second buckling part are mechanically matched and locked, the turning cover is limited to rotate, and the groove is closed; in the unlocking state, external force drives the buckle to be separated through the unlocking groove, the turning cover rotates to be opened, and the groove is completely exposed. The bracket adopts a flip-type structure to replace a slide rail design of an existing sliding cover type bracket, so that the size is greatly reduced, foreign body sensation of a wearer is reduced, the comfort level is improved, meanwhile, the problem that a switch lock is unstable during chewing is avoided, stable constraint of an arch wire is ensured, the correction effect is guaranteed, and the bracket is convenient to operate and adapts to clinical orthodontic treatment requirements.

To provide an arch wire for orthodontics that can reduce pain and discomfort during orthodontic treatment by using a low-rigidity wire. [Solution] The orthodontic archwire 10 has a loop portion 30 formed in a predetermined shape to enable loop mechanics, and is made of a superelastic material selected from the group consisting of nitinol, titanium-molybdenum alloy (TMA), and gum metal, which have a Young's modulus of 100 GPa or less. When the loop portion is activated, a force that slowly returns to its original shape acts continuously on the target tooth, physiologically promoting tooth movement and reducing pain during treatment, and further reducing the risk of complications due to excessive force, such as root resorption and damage to periodontal tissue.

The utility model discloses an orthodontic traction mechanism which comprises a molar denture and an incisor denture, the front side of the molar denture and the front side of the incisor denture are respectively welded with a fixed plate limiting head, and the front side of the molar denture is rotatably connected with an arc-edge fixed plate I through the fixed plate limiting heads; the front side of the incisor tooth support is rotatably connected with a second arc-edge fixing plate through a fixing plate limiting head, the front side of the first arc-edge fixing plate is fixedly connected with a vertical positioning head, the front side of the second arc-edge fixing plate is fixedly connected with a transverse positioning head, and the left side of the vertical positioning head and the bottom of the transverse positioning head are fixedly connected with traction positioning bent rods; according to the utility model, pulling force is applied to the teeth through the traction arch wire, the teeth are pulled back to the correct position, and under the action of the nickel-titanium tension spring and the traction rubber band, extra traction pulling force except the traction arch wire is obtained between the teeth, so that the aim of further accelerating the traction speed of orthodontic treatment can be achieved.

The application belongs to the technical field of nanomaterials, and particularly relates to a graphene oxide composite nanocoating, application thereof and modified dental metal material. The obtained graphene oxide composite nanocoating overcomes the problem of easy agglomeration of GO alone, has the advantages of long-term antibacterial property, strong corrosion resistance, low toxicity, good remineralization effect on dental enamel, reduced occurrence of dental demineralization and dental caries, effectively reduced friction between dental metal materials, especially between metal materials for orthodontic treatment, is conducive to the sliding between arch wires and bracket grooves in the orthodontic process, and further conducive to improving the efficiency of aligning and flattening the dental arch in orthodontic treatment and shortening the treatment course. In addition, the application has the characteristics of simple operation, low cost and strong controllability, and provides a simple and universal strategy for preparing dental metal materials with long-term antibacterial property, corrosion resistance, low toxicity, good remineralization effect and low friction.

The utility model relates to a deciduous tooth orthodontic self-locking orthodontic appliance, which relates to the technical field of medical instruments and equipment, and comprises an orthodontic appliance main body, the middle of the main body is provided with a transverse through arch wire groove, the notch side is provided with a locking plate in sliding connection with the main body, and the locking plate can slide along the surface of the main body to open or close the arch wire groove. The surface of the main body is a smooth curved surface and is provided with a limiting groove. And through the design of a sliding groove, a clamping groove, a guide part, an elastic steel needle and a guide groove, the stability and operation convenience of the locking plate are ensured. In addition, the corrector is further provided with a shifting groove, a bottom plate, a net bottom and a special geometrical shape design, so that the wearing comfort and the correction effect are improved. The purposes of simplifying the operation process and improving the comfort level and the correction effect of the patient are achieved.

The utility model relates to the technical field of tooth orthodontics, and discloses an orthodontic nickel-titanium square wire arch bracket which comprises a bracket body, an arch wire groove used for installing a square wire arch is formed in the bracket body in the width direction of the bracket body, an installation groove communicated with the arch wire groove is formed in the bracket body in the length direction of the bracket body, and an upper cover is arranged in the installation groove in a sliding mode. Sliding grooves are formed in the side walls, opposite to the mounting groove, of the upper cover in the length direction of the upper cover, sliding blocks sliding in the corresponding sliding grooves are arranged on the two sides of the upper cover, a first fixing piece used for fixing the upper cover is arranged in the mounting groove, and a second fixing piece used for fixing the upper cover is further arranged in the bracket body. Through the above structure, the upper cover is fixed for multiple times, even if the first fixing part loses efficacy, the second fixing part can fix the upper cover, and the upper cover cannot be separated from the upper cover mounting groove, otherwise, when the second fixing part loses efficacy, the first fixing part can fix the upper cover, and the upper cover cannot be separated from the upper cover mounting groove; therefore, the fixing effect of the square wire arch in the arch wire groove is better.

The application belongs to the technical field of archwire correction, and provides a nickel-titanium alloy archwire with high elasticity and precise root control and a preparation method thereof. The nickel-titanium alloy archwire with high elasticity and precise root control comprises an archwire body, the archwire body comprises a nickel-titanium alloy base body, Nb and Zr, and the molar ratio of Ni to Ti in the nickel-titanium alloy base body is 50.8:49.251.2:48.8. The application also provides a preparation method of the nickel-titanium alloy archwire with high elasticity and precise root control. The application solves the core problems that the elasticity and strength of the traditional nickel-titanium alloy archwire are difficult to be considered together and the root control precision is insufficient in orthodontic treatment. The elasticity recovery rate of the archwire is greater than or equal to 98%, the yield strength is increased to 850 MPa-950 MPa, and the archwire has differential surface roughness, which can meet the high elasticity demand in the initial alignment stage of teeth and realize the precise control of the tooth root position in the fine adjustment stage, is suitable for the whole period treatment of oral orthodontics, and has extremely high clinical application value.

The invention relates to a method for controlling an orthodontic appliance comprising a set of brackets fixed to a dental arch of a patient, in a first arrangement of the brackets, and a first archwire attached to the brackets, the method comprising the following steps: 1') receiving a first bracket representation representing the brackets in the first arrangement of the brackets; 2') evaluating, by means of a computer, based on the first bracket representation, the compatibility of the first arrangement of the brackets with an archwire to be tested that is intended to be attached to the brackets after the first archwire; 3') depending on the compatibility, displaying an information message by means of the computer.

The utility model relates to the technical field of correctors, and discloses a tooth corrector, which comprises an elastic metal arch wire and a printing correction block, a correction mechanism is arranged on the outer surface of the elastic metal arch wire, the correction mechanism comprises a movable sleeve and an embedded mounting cylinder, the inner wall of the embedded mounting cylinder is connected with a sealing sliding plate in a sliding manner, and the sealing sliding plate is connected with the printing correction block. The left side of the sealing sliding plate is fixedly connected with a rubber block. Through the design of the sealing sliding plate, the sealing sliding plate can slide in the inner cavity of the embedded mounting cylinder piece, meanwhile, the rubber block is compressed, the rubber block is deformed, and the force applied to a tooth by the printing correction block is buffered, so that the problem that the tooth is easily damaged due to large manual force application is avoided, the safety of the tooth is guaranteed, and the tooth quality is improved. And through cooperation of an inner supporting piece, an elastic piece, a limiting ring and a closed attaching plate, the one-way buffering function is achieved, and the problem that reset of a rubber block causes large force to the tooth body after the printing correction block is installed is solved.

The utility model relates to a self-locking orthodontic appliance and orthodontic system.The self-locking orthodontic appliance comprises a bottom plate, a main body and a cover body, a first groove is formed in the first end of the main body, the first groove is adjacent to the cover body under the condition that an arch wire groove is closed by the cover body, and a second groove is formed in the position, close to the first groove, of the top of the cover body; the second groove is communicated with the first groove, and the side wall of the second groove is an inclined plane and / or a straight plane and / or an arc surface. Therefore, no offset exists at the connecting position of the cover body and the first groove, the end face, facing the first groove, of the cover body cannot form a stress face, and a patient is not prone to frequently opening / closing the cover body by himself or herself without the help of a special opening tool. Furthermore, the service life of the cover body can be ensured, and the cover body is prevented from beforehand failure.

The present application discloses a fish-shaped self-locking bracket, which includes a self-locking base plate, a self-locking main body fixedly arranged on the self-locking base plate, an arch wire placement groove provided on the self-locking main body for placing an arch wire, and a cover plate slidably connected to the self-locking main body and used for limiting the arch wire. The top of the self-locking main body is provided with a lifting installation groove, and a lifting limit column is movably inserted in the lifting installation groove. The bottom of the cover plate is provided with a transition groove corresponding to the lifting limit column, and the lifting limit column can slide in the transition groove. The transition groove is also provided with an insertion hole, which can be used in conjunction with the lifting limit column. The lifting installation groove is also provided with a lifting limit component, and the lifting limit component can drive the lifting limit column to rise and fall, so that the limit column is inserted into the insertion hole.

The invention belongs to the technical field of new material detection, and discloses an orthodontic correction arch wire friction corrosion test system, which comprises a controller, a mechanical excitation device and an electrochemical workstation, and is characterized in that the controller controls the electrochemical workstation to apply polarization pulses to form an ion sheath for neutralizing friction charges; the method comprises the following steps: firstly, carrying out mechanical damage and electrochemical response on the surface of a material, then controlling a mechanical excitation device to apply single instantaneous mechanical scratch, immediately triggering an electrochemical workstation after the scratch is finished, and recording an electrochemical relaxation transient process of spontaneous repassivation of the surface of the material in a static environment without mechanical interference. The technical problem that the dynamic repairing capacity of the material cannot be accurately evaluated due to signal aliasing in an existing continuous friction test is solved, and the obtained data is no longer a fuzzy average value but a clear dynamic fingerprint containing rich physical mechanisms.

The invention is applied to the technical field of orthodontics, and discloses an orthodontic traction stress testing device which comprises a fixing seat, a fixing flange is fixedly arranged on the outer side surface of the fixing seat, a semi-ring is fixedly arranged on the upper surface of the fixing seat, and a mounting groove is formed in the upper surface of the semi-ring. A sliding stress sliding block is installed at the upper end of the semi-ring, and a tooth die is fixedly arranged at the upper end of the stress sliding block. According to the orthodontic traction stress testing device, a driving motor drives a driving gear to rotate, the driving gear is meshed with connecting teeth on a movable adjusting gear ring, so that the movable adjusting gear ring rotates in a central mounting cavity, and at the moment, a limiting adjusting rod is driven to rotate through meshing of an adjusting gear and the connecting teeth; therefore, the degree that the pressure plate compresses the pressure spring is changed, the purpose of changing the supporting force of the stress sliding block and the tooth die is achieved, and the strength of the traction force and the counter-acting force of the arch wire is changed.

The utility model discloses a molar mesial movement auxiliary device which comprises a main arch wire, a plurality of orthodontic brackets, an auxiliary arch wire, a ligature wire and an anchorage nail, the main arch wire penetrates through the orthodontic brackets and is fixed with the orthodontic brackets, two question mark hooks of the auxiliary arch wire are sleeved on the main arch wire, and the ligature wire is connected with the anchorage nail. The auxiliary arch wire is further provided with two small circles formed by bending, the small circle in the distal direction is rigidly connected to an anchorage nail planted on the alveolar bone through a fixing ligature wire, and the other small circle is free. According to the utility model, a stable rectangular structure can be formed, after force application, interference caused by lip and cheek movement or feeding is avoided, displacement is avoided, foreign body sensation is reduced, the bad effect of distal movement of anterior teeth and premolars can be avoided, friction force of tooth movement is not increased, and meanwhile, the structure is simple and convenient. And when the molars move forwards, the lip inclination acting force on the anterior teeth is also reduced.

The invention discloses a tooth surface cleaning device and method special for fixed correction, and relates to the field of orthodontic nursing, the tooth surface cleaning device comprises a handheld end, a connecting piece, a dental floss and two cleaning rods, the two cleaning rods are connected with the two ends of the connecting piece respectively, the handheld end is connected to the connecting piece, and the dental floss is detachably connected between the two cleaning rods; the two cleaning rods can be positioned on the left and right sides or the upper and lower ends of the target bracket; a cleaning brush is arranged on the cleaning rod; when the two cleaning rods are positioned on the left side and the right side of the target bracket, the dental floss between the two cleaning rods is positioned in a gap of teeth corresponding to the target bracket. The cleaning modes are diversified, all-area cleaning of the periphery of a target bracket, the lower portion of an arch wire, adjacent face gaps, tooth lingual surfaces and the like can be covered in the left-right mode and the up-down mode, and the problem that an existing tool cleans blind areas is solved.

The application discloses an orthodontic arch wire bending field evaluation method based on bending field angle area segmentation, and relates to the field of orthodontic arch wire bending evaluation. When the bending effect requirement of the orthodontic arch wire bending field is used to evaluate the orthodontic arch wire bending field, the pose of the theoretical orthodontic arch wire curve bending field space curve and the actual orthodontic arch wire bending field space curve in the bending field evaluation space coordinate system is used. After judging the field error, the relative angle area bending error and the total angle area bending error of the actual orthodontic arch wire bending field space curve are judged by combining the bending point standard degree of the theoretical orthodontic arch wire bending field space curve and the relative standard degree of the bending point of the theoretical orthodontic arch wire bending field space curve. An orthodontic arch wire bending field evaluation method based on bending field angle area segmentation is established. The orthodontic arch wire bending field is taken as the evaluation target, the field error, the relative angle area bending error and the total angle area bending error are taken as the evaluation indexes, the bending effect of the orthodontic arch wire bending field can be evaluated, and the problem that the orthodontic arch wire bending field cannot meet the orthodontic effect requirement provided by the orthodontic arch wire bending field required for tooth correction is avoided.

This invention relates to a mandibular premolar guiding device for reducing labial inclination of the lower anterior teeth. The device includes an upper molar band, a lower molar band, a premolar guide, a push plate, and an implant. The upper and lower molar bands are fixed to the upper and lower molars, respectively. The premolar guide is located on the buccal side of the upper molar band, and the push plate is fixed on the buccal side of the lower molar band. The front end of the premolar guide bends downward to form a pusher portion. During occlusion, the pusher portion pushes against the push plate to achieve mandibular premolar guidance. The buccal side of the lower molar band also has a buccal tube. The lower incisor has a bracket. The buccal tube and the bracket are connected by a lower archwire. The lower archwire has a lower traction hook corresponding to the lower incisor. The implant is located between the lower molar and the lower premolar. The implant and the lower traction hook are connected by a traction member. This device can simultaneously achieve mandibular premolar guidance and reduce labial inclination of the lower anterior teeth.

The utility model relates to a self-locking orthodontic appliance and orthodontic system.The self-locking orthodontic appliance comprises a bottom plate, a main body and a cover body, due to the fact that an opening groove is formed in the first end of the main body, the opening groove is adjacent to the cover body under the condition that an arch wire groove is closed by the cover body, an arc cutting surface is formed on the top of the cover body and extends to the end face, and the opening groove is formed in the end face. The portion, close to the end face, of the arc cutting face is roughly flush with the highest position, adjacent to the opening groove, of the first end, and the height or the height is not larger than 0.14 mm, so that no offset or small offset exists at the connecting position of the cover body and the opening groove, the end face, facing the opening groove, of the cover body does not form a stress face, and therefore the cover body is not prone to deformation. A patient is not easy to open / close the cover body frequently by himself without the help of a special opening tool. Furthermore, the service life of the cover body can be ensured, and the cover body is prevented from beforehand failure.

An orthodontic bracket and method for treating a malocclusion. The orthodontic bracket includes a bracket base for contacting a surface of a patient's tooth, which can be removed at the end of an orthodontic treatment. The orthodontic bracket further includes a bracket member which can engage with an archwire within the bracket slot, for providing first, second and third order movements to a malpositioned tooth for correcting its orientation to a neutral position. The base member and the bracket member are connected so as to allow for pivotable movement, which provides for precise control over the torque third order movement of a tooth, by modulating the torque.

The invention relates to the technical field of orthodontics, in particular to a buccal side embedded canine tooth traction guide plate and a traction method thereof.The traction guide plate comprises a fixing end and a traction end, the fixing end is of a rectangular structure, the fixing end is fixed to an orthodontic bracket and an orthodontic arch wire on rear teeth through metal ligature wires, and the traction end is connected with the metal ligature wires. A traction end is mounted on the side, close to the embedded teeth, of the fixed end, the traction end is of a bent arc-shaped structure, a first traction position and a second traction position are arranged on the traction end, and the traction end is connected with a traction site bonded to the embedded canine teeth through an elastic rubber chain so as to pull the embedded canine teeth; according to the invention, the arc-shaped traction end with the first traction position and the second traction position is designed, the first hook is utilized to realize inclined movement of the embedded canine from the embedded position to the target area in the first stage, and the plurality of second hooks are utilized to realize vertical positioning and fine position adjustment of the teeth in the second stage; the accuracy and controllability of a tooth moving path are improved, and the treatment period is shortened.