37results about "Arch wires" patented technology

The application belongs to the technical field of oral orthodontic medical instruments, and discloses a system of invisible appliance convertible position rigid anchorage accessory and an assembling method thereof. The embedded rigid anchorage accessory comprises an oral commonly used light-cured resin accessory body and a metal framework integrally embedded in the interior of the accessory body. The metal framework has an anchoring section completely embedded in the accessory body and an anchor-shaped connecting section extending out of the surface of the accessory body. The anchor-shaped connecting section is configured as a barb-shaped or T-shaped structure suitable for accommodating a ligation wire and forming a mechanical lock, and has a bidirectional force control function. The application constructs an absolute anchorage system without relative displacement between teeth and implant anchorage, avoids side effects caused by insufficient anchorage or poor patient cooperation in traditional elastic traction, and only needs to grind off the anchor-shaped connecting section on the surface of the accessory body after the anchorage structure completes the function, so as to become a standard vertical rectangular accessory to play a role.

This invention relates to an agricultural coupler and an agricultural implement assembly. The agricultural coupler is used for an agricultural implement assembly having a flexible tine and a depth or press wheel. The agricultural implement assembly may be used as an attachment to an existing seed sowing implement or may be used in conjunction with an agricultural dispensing unit described in co-pending International Patent Application No. PCT / IB2023 / 061091.

The utility model relates to orthodontic technical field, specifically disclose a kind of round three-wing double-silicon orthodontic device, comprising: base, the base has the bottom plate for being fixedly connected with tooth surface, the bottom plate upper surface is equipped with reticular retention structure;Bracket body, fixedly set in the top of the base, the top of the bracket body two sides symmetrically is equipped with the guide slide rail extending along vertical direction;Bracket door, slidingly set in the top of the bracket body, its inboard is equipped with the sliding slot matched with the guide slide rail, so that the bracket door can slide along buccal lingual direction relative bracket body;The utility model is through the self-adapting channel design of main bracket groove along dental arch curvature, cooperate with the memory alloy wire embedded in secondary bracket groove, can produce dynamic deformation pressure under oral temperature, collaboratively form three-dimensional controllable correction force system, avoid the problem of tooth root resorption or tilt deviation caused by traditional single-axis correction.

The utility model discloses a kind of lingual appliance implant anchorage quick installation structure, the utility model relates to oral treatment technical field.The lingual appliance implant anchorage quick installation structure, by the sliding of fixed ring on arch wire and the fixation of fixed ring position by fixed block driven fixed ring, the position of fixed ring on arch wire surface can be adjusted and fixed ring positioning on arch wire can be quickly realized, simultaneously, the positioning function of fixed ring to implant main body installation position, so that the installation of implant main body is more accurate, effectively improve installation efficiency, reduce the operation difficulty, reduce the influence of the effect of correction due to inaccurate installation.

An oral appliance for treating snoring and / or apnea includes an upper appliance portion and a lower appliance portion. The upper appliance portion has an upper base portion that extends over a user's upper front teeth and two orthodontic wires, one extending from each side of the upper base portion. The lower appliance portion has a lower base portion that extends over the user's lower front teeth and two orthodontic wires, one extending from each side of the upper base portion. The lingual portion of each wire extends posteriorly from a proximal end on the lingual side of the user's teeth, around the user's posteriormost tooth, and then extends forward along the buccal sides of the user's teeth to the distal end of the wire, and when worn, the wires are positioned between the brackets and the user's gum line.

The utility model relates to a kind of appliance for controlling the three-dimensional position of front teeth, including the bracket being set on front teeth and the buccal tube being set on molar, bracket and buccal tube are connected by main arch wire;Bracket is connected with auxiliary arch splint, auxiliary arch splint is equipped with the auxiliary arch groove of lip side opening, buccal tube is equipped with main arch tube and auxiliary arch tube, main arch wire is set in main arch tube, auxiliary arch tube includes sleeve and the rotating core being set in sleeve and being rotatably connected with sleeve, rotating core is equipped with square hole being set in axial direction, auxiliary arch groove on auxiliary arch splint and auxiliary arch tube are connected by auxiliary arch wire with the square section of section, auxiliary arch wire is set in square hole on auxiliary arch tube;When torque is applied to front teeth, auxiliary arch wire is embedded in corresponding auxiliary arch groove, rotating core is rotated, auxiliary arch wire is twisted by square hole, auxiliary arch groove side wall is pushed by auxiliary arch wire side wall, and corresponding bracket is generated torsional moment, so as to apply torque to front teeth, the rotation angle of rotating core is adjusted to realize the control of front tooth torque size.

The utility model provides an annex for orthodontics, relates to the orthodontic technical field of stomatology, including tooth body, bow wire body, the tooth body front side is provided with the bracket bottom plate, the surface of bracket bottom plate is provided with the bracket body. The utility model discloses a improved torque spring is bent from the diameter 0.6mm stainless steel wire, and it is placed between bow wire body and bracket body, can provide the sustained light force for tooth to increase the tooth root torque, and the one end of improved torque spring is fixedly connected with bow wire body, the other end abuts against the bracket body, and the winding number of spiral winding part is 2.5, and the winding gap is less than or equal to 0.1mm, and such design makes it can store enough elastic potential energy, and the light force is released stably, is helpful to the tooth root movement and torque adjustment according to the expected direction, and can use on the round bow wire, also can use on the square bow wire, breaks through the restriction that traditional torque spring can only apply on the square bow wire, expands its application range.

This application relates to the field of orthodontic appliances and discloses a multifunctional orthodontic traction device, including a self-ligating bracket for fixing and limiting the archwire. The top of the self-ligating bracket is equipped with an elastic closing hook, and a traction structure for orthodontic traction is hooked to the inner side of the elastic closing hook. A combined bracket for adhesive fixation to the posterior teeth is fixedly connected to one side of the traction structure. By using the self-ligating bracket and the combined bracket in conjunction with other brackets and archwires, the device achieves tooth positioning correction. The traction structure, installed between the self-ligating bracket and the combined bracket, generates horizontal tension, thereby performing Class II orthodontic traction on the teeth, achieving horizontal traction. Simultaneously, while the traction structure generates horizontal tension, a downward pressure structure converts part of the force into downward pressure on the molars, thus achieving molar indentation control. This device increases its usability through the integration of multiple functions and improves the efficiency of orthodontic treatment.

This utility model discloses an orthodontic appliance with easy retention, including an orthodontic archwire. Multiple appliances are mounted on the archwire, and each appliance includes an appliance base. Elastic clips are fixedly connected to both side walls of the appliance base. Multiple grooves are formed on the front side of the appliance base, and multiple protrusions are fixedly connected to the front side of the appliance base. An appliance support block is fixedly connected to the back side of the appliance base, and an archwire groove for placing the archwire is formed on the side wall of the appliance support block. This utility model, through the synergistic effect of the protrusion and groove structure of the appliance base and the elastic clips, forms a mechanical fit with the tooth surface, greatly enhancing the retention force between the appliance and the teeth, effectively reducing loosening and displacement of the appliance in the oral cavity, and improving the stability and accuracy of orthodontic treatment.

Orthodontic bracket (10) comprising a body having a base intended to be fixed to the outer surface of a tooth and a vestibular part intended to retain an orthodontic arch (13) extending in a generally mesio-distal direction, characterized in that it comprises a receptacle (111) at least partially open on said base, in order to open onto said tooth when said base is fixed to the outer surface of said tooth, and intended to receive an adhesive material defining, once hardened, a retention pad for an orthodontic aligner, a separation rib forming a projection of the base, placed on the periphery and in the extension of said receptacle (111), configured to separate the adhesive material intended to be received in said receptacle (111) from the adhesive material intended to be received on the rest of said base, and a fold groove (114) on the vestibular part, transverse thereto, and facing said receptacle (111).

A self-ligating orthodontic bracket having a body member having a front surface defining a reference plane and a rear surface for connection to a tooth directly or via connection to a bonding base adapted for attachment to a tooth. First and second projections extend forwardly from the body member and an archwire slot is defined by opposed archwire slot surfaces on the projections and by a portion of the front surface of the body member. First and second channels are defined in the first and second projections respectively, with a door disposed in the channels and movable between open and closed positions to selectively provide or prevent access to and from the archwire slot. A bore extends through the first projection and a pin is fixed in the bore and extends into the first channel and is received by a retention channel on a lingual side of the door.

Embodiments relate to the methodology of direct manufacture of a customized labial / lingual orthodontic tube by using a ceramic slurry-based additive manufacturing (AM) technology. For example, a method of manufacturing customized ceramic labial / lingual orthodontic tubes by additive manufacturing may comprise measuring dentition data of a profile of teeth of a patient, based on the dentition data, creating a three-dimensional computer-assisted design (3D CAD) model of the patient's teeth, and saving the 3D CAD model, designing a virtual 3D CAD tube structure model for a single labial or lingual tube structure based upon said 3D CAD model, importing data related to the 3D CAD tube structure model into an additive manufacturing machine, and directly producing the tube with the additive manufacturing machine by layer manufacturing from an inorganic material including at least one of a ceramic, a polymer-derived ceramic, and a polymer-derived metal.

This invention provides a knot-free orthodontic bracket, comprising a base plate and a meander-patterned archwire groove structure disposed on the back of the base plate. The meander-patterned archwire groove includes two opposing large L-shaped plates and a small L-shaped plate, which, together with the base plate, form the meander-patterned archwire groove structure. This invention uses a combination of a base plate and two L-shaped plates, achieving archwire placement and fixation through the meander-patterned space. Compared to traditional brackets, this invention is quicker and more convenient to operate, possesses the advantages of self-ligating brackets, and reduces manufacturing costs and improves cleaning efficiency by eliminating the cover plate of traditional self-ligating brackets. It also avoids the problem of damage caused by repeated opening and closing of traditional self-ligating brackets in the later stages of orthodontic treatment.

The present disclosure relates to an orthodontic bracket featuring an archwire slot configured to accommodate tandem archwires for enhanced control during orthodontic treatment in both twin and self-ligated bracket designs. The archwire slot of the self-ligating bracket includes a labial surface and a lingual surface, each having a contoured shape along a first axis in the buccolingual plane, enabling the parallel alignment of two archwires. Additionally, the slot defines a second curve along a second axis, orthogonal to the first, in the occluso-gingival plane to reduce friction as archwires move within the slot. Similarly, the twin bracket version of the present disclosure maintains the design described without the labial enclosure which is provided by ligation methods.

This utility model discloses a device for overall indentation and retraction of the upper dentition. It comprises a support frame, archwire, fixation components, and anchorage screws. The connecting portion of the support frame can be installed on the patient's palate, and the fixation portions at both ends of the connecting portion are connected to the patient's posterior teeth. Some of the fixation components are located in the fixation portions, while others are installed on the patient's tooth surfaces. In its natural state, the archwire, which is warped at the ends and middle, is constrained by the fixation components. The anchorage screws are positioned corresponding to the fixation portions and are connected to the fixation section located between the ends and middle of the archwire via a first elastic element. The support frame, which is subjected to tongue pressure, the elastically deformable archwire, and the first elastic element together provide indentation force to the patient's maxillary teeth, thereby achieving an overall indentation effect on the patient's upper dentition. This allows for the correction of gummy smiles without the need for a large number of anchorage screws.

The utility model discloses a self -locking orthodontic bracket, including the bracket body and the sliding cover, the sliding groove includes the first section in the proximal end and the third section in the distal end, and the width of third section is greater than the width of first section, and first section is equipped with the locking position on the opposite two side walls of archwire groove, and the sliding cover is installed with the elastic member, and the elastic member both sides are equipped with the convex, when the sliding cover closes archwire groove, the convex is located in the locking position to lock the sliding cover, and the width of sliding groove third section is greater than the maximum width of elastic member, and when the convex is located in the third section, the elastic member is in the release state, and the archwire groove is the open state. When assembling, the elastic member can be placed in the sliding groove without extruding the elastic member, and when replacing the archwire, the elastic member is in the release state, and it is favorable to the elastic member recovery elastic performance.

The utility model discloses a kind of equipment for correcting fine wire arch differential, it is related to orthodontic technical field.The utility model includes base, the top of base is provided with limiting component, dental cast, adjusting assembly and detection assembly, limiting component and detection assembly are respectively located at the two sides of dental cast, limiting component is used to limit and fix dental cast, adjusting assembly is used to adjust the position of detection assembly, and detection assembly is used to detect the differential force that fine wire arch exerts to dental cast.The utility model is connected by limiting component and detection assembly, after limiting component fixes the dental cast of patient on the top of base, limiting component and detection assembly are respectively located at the two sides of dental cast, avoid limiting component to cause hindrance to detection assembly, subsequently detection assembly is close to dental cast, when fine wire arch exerts differential force to dental cast, dental cast generates movement, detection assembly detects and records the force and displacement data that dental cast has received, it is convenient for doctor to adjust fine wire arch according to actual situation of patient, it is more convenient when using.

The utility model discloses a kind of orthodontic system for adjusting anterior teeth relation in later stage of correction, belong to a fixed appliance, especially for personalized lingual correction.This utility model includes: bracket, auxiliary arch tube bottom plate auxiliary arch tube and arch wire. Among them, bracket can adopt conventional lingual bracket, auxiliary arch tube bottom plate is equipped with auxiliary arch tube mounting hole, auxiliary arch tube is arranged in hole, auxiliary arch tube bottom plate is simultaneously bonded and fixed on the tooth surface of patient anterior tooth segment and bracket bottom plate.This utility model is favorable for temporary adjustment in later stage of correction, if there is deficiency in early correction scheme design, or there is deviation in correction process, in later stage of correction, auxiliary arch tube bottom plate and auxiliary arch tube can be bonded and worn at any time, to achieve the effect of aligning anterior teeth, realizing fine movement, temporary adjustment, correction deviation effect can be achieved in later stage of correction.

The utility model relates to orthodontics equipment technical field discloses a kind of orthodontics buccal tubes convenient to use, including abutment, and abutment is equipped with archwire groove, abutment is equipped with one fixed block on the side of archwire groove, one fixed block is rotatably connected with clamp, abutment is equipped with two fixed blocks on the other side of archwire groove, clamp positioning mechanism for fixing clamp is provided on two fixed blocks, and abutment is equipped with tooth support mechanism on the side away from archwire groove, clamp positioning mechanism includes the limiting hau slot being set in two fixed blocks, the utility model cooperates through archwire groove, clamp, positioning ball, spring and positioning groove, when operating, after correction archwire passes through archwire groove, clamp is closed to positioning ball and is pressed down, it can be realized quick positioning, it is convenient to operate, simple to use.