107 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 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.

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 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 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 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.

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.

The invention discloses a torque control system and method based on orthodontic teeth, and relates to the field of orthodontic teeth, the torque control system comprises a tooth root lingual assembly for realizing tooth root lingual root control, a tooth root lip assembly for realizing tooth root lip root control and a long traction hook; the tooth root lingual assembly comprises a first torque auxiliary arch with elasticity, and the tooth root lip assembly comprises a second torque auxiliary arch with elasticity and a bridge-shaped curve; the tooth root lingual assembly and the tooth root labial assembly are connected with a main arch wire on a dental crown bracket in a matching manner through the long traction hook; the action point of the tooth root lingual assembly comprises a first foot end, a first hip end and a first arm end; the action point of the tooth root lip assembly comprises a second foot end, a second hip end and a second arm end; and the acting point generates pressure stress towards the tongue root or tensile stress towards the lip end. The system realizes cooperation and unification with high efficiency, multiple functions, simple operation and wide adaptation, and has remarkable clinical value and popularization prospect.

The utility model provides a non-invasive anterior tooth depressing correction device for realizing anterior tooth adduction, which is used for applying depressing force downwards through deformation force of the device so as to restrain vertical extension of anterior teeth, and comprises a frame, a first end fixing buckle, a second end fixing buckle, a first elastic ring, a second elastic ring and a fixing part, the first end fixing buckle and the second end fixing buckle are connected to the two ends of the frame respectively and used for being fixed to an orthodontic arch wire. The fixing part is arranged in the middle of the frame, the first elastic ring is arranged on the first side of the frame and located between the first end fixing buckle and the fixing part, and the second elastic ring is arranged on the second side of the frame and located between the second end fixing buckle and the fixing part.

The invention discloses an embedded tooth impacted tooth positioning traction simulation system based on a 5D bionic technology, which comprises a jaw model and a pre-operation simulation system, the jaw model is provided with an alveolar socket, a tooth root model and an embedded tooth model are detachably arranged in the alveolar socket, the jaw model is provided with a traction device in a mutual matching manner, and the traction device is provided with a tooth root model and an embedded tooth model. The traction device comprises two fixers and a traction arch wire; the two fixers are sleeved on the tooth root model; the traction arch wire is connected with the two fixers; a closed curve for hooping the embedded tooth model is arranged on the traction arch wire; a positioning guide plate is used in cooperation with the tooth root models, a positioning window is arranged on the positioning guide plate, the position of the positioning window corresponds to the position of the embedded tooth model, and a model taking device is used in cooperation with the closed curve. A real operation environment is provided for a doctor, the positioning guide plate accurately corresponding to the position of the embedded tooth is combined, the traction device can be guided to be in place rapidly and accurately, the precision and efficiency of preoperative planning are greatly improved, and the operation risk is reduced.

This invention provides an orthodontic wire in which a simple form of stop is placed on multiple orthodontic wires. [Solution] An orthodontic wire having wires and stops, wherein the wires consist of two or more wires, the stops are tubular members through which all of the two or more wires pass, the wires are always in contact with the inner surface of the stop inside the stop, and adjacent wires are also in contact with each other.

The invention relates to the technical field of orthodontic medical instruments, in particular to a self-ligating bracket, an orthodontic tool based on the self-ligating bracket and a manufacturing method of the orthodontic tool, the self-ligating bracket comprises a bracket body, the bracket body is provided with a personalized bottom plate attached to a tooth labial surface, and the bracket body is provided with a groove for containing an orthodontic arch wire; the lock cover is mounted on the bracket body in a sliding manner and is used for carrying out closed locking or open unlocking on the groove through a self-locking structure; the orthodontic tool comprises a plurality of personalized self-ligating brackets, a personalized orthodontic arch wire and a transfer tray, and the adaptation precision of the arch wire and the positioning precision of the brackets are guaranteed; the manufacturing method realizes personalized customization through a standardized process. The problems that a traditional bracket is poor in attachment, unstable in locking, low in arch wire adaptation precision, low in positioning efficiency, nonstandard in manufacturing process and the like are effectively solved, the correction effect and the treatment efficiency are improved, the manufacturing cost is reduced, and the bracket is suitable for clinical large-scale personalized orthodontic treatment.

A computer program comprising code instructions which, when executed by a computer, perform a method comprising the following successive steps: a) receiving or generating a first representation of brackets comprising a set of bracket models in a first arrangement of the bracket models at a first instant of an orthodontic treatment plan; b) by means of a computer, generating, from the first representation of brackets, a second representation of brackets representing the set of bracket models in a second arrangement of the bracket models, by: b1) determining the movement of the brackets under the effect of an arch attached thereto, and reproducing the movement on the bracket models; or b2) moving the bracket models so as to arrange them according to a target arrangement of the bracket models; or b3) moving the models of the teeth so as to arrange them b31) according to a target arrangement of the tooth models, or b32) as a consequence of the movement of the brackets resulting from a step b1) or from a step b2).

The utility model discloses an orthodontic traction device, and relates to the technical field of orthodontics. The orthodontic device comprises a plurality of brackets, each bracket comprises a bottom plate, the bottom plates are fixed on the teeth, one end, far away from the teeth, of each bottom plate is provided with two bracket wings, the two bracket wings are arranged at intervals, a groove for accommodating an arch wire is formed between the two bracket wings, and each bracket wing is provided with a through hole; and one end of the traction hook is provided with two insertion ends at intervals, and the two insertion ends can be respectively inserted into the through holes of the two bracket wings. According to the orthodontic traction device provided by the utility model, the insertion end is inserted into the through hole, so that the bracket is quickly connected with the traction hook, the traction hook can be conveniently and quickly put in and taken out, and teeth can be conveniently cleaned.

The application discloses an orthodontic appliance and relates to the field of tooth correction, which comprises an appliance main body, a plurality of front bonding blocks, a plurality of brackets, a plurality of ligation wires and an arch wire, wherein each group of the front bonding blocks is bonded to the outside of a tooth, the brackets are fixed to the outside of the front bonding blocks, the ligation wires are connected to the inside of the brackets, and the arch wire is arranged on the inside of the ligation wires; one side of the appliance main body is provided with a transmission mechanism, the appliance main body is in transmission connection with the tooth through the transmission mechanism, and the upper side of the transmission mechanism is provided with a cleaning mechanism. The transmission mechanism comprises a sleeve rod, a limiting wheel, a rotating shaft and a stretching wire, so that the cost of replacing the appliance in a hospital can be reduced after the patient is treated for a period of time, and the cleaning mechanism comprises a second telescopic column, a spring telescopic column, a fixing shaft, a fixing rod and a cleaning block, so that the inner wall of the tooth can be cleaned.

This utility model relates to a self-ligating bracket, comprising a bracket body, the bracket body having a base plate, an archwire groove, and a sliding locking plate. The sliding locking plate, in the locked state, has a locking plate cover that covers the archwire groove. The locking plate cover has a predetermined shape to minimize its contact area with the archwire, thereby reducing friction between them. This invention, on the one hand, reduces friction to achieve efficient tooth movement under light force orthodontic treatment. Furthermore, due to its large groove space, it allows for simultaneous closure of extraction gaps and alignment under double archwire conditions, significantly shortening treatment time. On the other hand, this self-ligating bracket also allows for full archwire deformation under ligation, achieving efficient tooth control and thorough tooth alignment.