Dual main groove three-section type multifunctional oral cavity correction method and system thereof
By using a dual main groove three-segment design and an auxiliary arch system, the side effects of orthodontic treatment caused by the lack of segmentation of the dental arch in existing technologies have been resolved, resulting in faster and more effective orthodontic treatment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- THE STOMATOLOGIAL HOSPITAL OF ZHEJIANG UNIV SCHOOL OF MEDICINE
- Filing Date
- 2021-10-25
- Publication Date
- 2026-04-28
AI Technical Summary
Existing orthodontic systems have problems with the separation of the anterior and posterior dental arches during the alignment, leveling, and gap closing stages, leading to side effects such as forward movement of posterior teeth, loss of anchorage, deepening of overbite, high friction, and long treatment time.
The design employs a dual main groove three-segment structure, dividing the dental arch into anterior segments and bilateral posterior segments. These segments are connected using an auxiliary arch system, and the gaps are closed by a sliding method. The combination of segmental arch technology and a bent long lever arm enhances the anchorage.
It reduces friction, protects anchorage, shortens orthodontic time, improves the controllability and efficiency of orthodontic results, and reduces the risk of posterior tooth anchorage loss.
Smart Images

Figure CN113813061B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of orthodontic technology, and in particular to a multifunctional oral correction method and system with a dual main groove and three segments. Background Technology
[0002] Orthodontic treatment encompasses a broad range of procedures, typically referring to the correction of malocclusion, malocclusion, and protruding teeth using dental techniques. Current orthodontic systems present significant problems in the alignment, leveling, and gap-closing stages: 1. In the alignment stage, the lack of segmentation between the anterior and posterior arches, coupled with the conventional use of continuous labial arches, easily leads to side effects such as anterior displacement of posterior teeth, loss of anchorage, and deepening of the overbite. 2. In the leveling stage, the lack of segmentation between the anterior and posterior arches, combined with the use of continuous labial arches, requires a considerable amount of time to replace with a larger archwire for gradual leveling, significantly prolonging the treatment time. Furthermore, the inability to replace with a full-size main archwire means that during the use of indentation arches for leveling, the posterior teeth cannot form a rigid connection, easily causing distal rotation of the anchorage posterior teeth and creating a step between them and adjacent teeth. 3. During the gap-closing stage, since the anterior and posterior dental arches are not segmented, the conventional method of using a continuous labial arch and sliding technique to close the gap is to use a continuous labial arch and sliding technique. Because the premolars and molars are included, the static friction force that needs to be overcome when the archwire slides is relatively large, which will affect the efficiency of intermittent closure. At the same time, because a greater traction force is required to make the archwire slide in the orthodontic system, the stress on the anchorage posterior teeth is increased, which can easily lead to loss of posterior tooth anchorage. Since a full-size archwire is not used, the posterior tooth segment cannot form a rigid connection. In cases that require strong anchorage, the anchorage of the posterior tooth segment is insufficient, which can easily lead to loss of anchorage when closing the gap.
[0003] Therefore, existing technologies still need further development. Summary of the Invention
[0004] In view of the shortcomings of the prior art, the purpose of this invention is to provide a dual main groove three-segment multifunctional oral orthodontic method and system, which aims to solve the problems of existing oral orthodontic systems.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a dual-main-groove, three-segment multifunctional orthodontic system applied to the dental system, the dental system including maxillary teeth and mandibular teeth, the maxillary teeth and mandibular teeth respectively including incisors, canines, premolars and molars arranged sequentially on the left and right sides, including:
[0006] The self-ligating bracket is disposed on all incisors, canines, and premolars in the dental system. The self-ligating bracket includes a bracket body and a base plate, which are connected. A ligating wing is provided at the edge of the bracket body. The bracket body has a first groove and a second groove. A rigid baffle is provided between the first groove and the second groove. The rigid baffle and the first groove form a first cavity, and the rigid baffle and the second groove form a second cavity. The first cavity and the second cavity are identical cavities. A first self-ligating cover plate is provided on the outside of the first cavity, and a second self-ligating cover plate is provided on the outside of the second cavity. A first unlocking rotation groove is provided on the first self-ligating cover plate, and a second unlocking rotation groove is provided on the second self-ligating cover plate.
[0007] The first buccal tube is disposed on all first molars in the dental system. The first buccal tube includes a buccal tube body and a buccal tube base plate. The buccal tube body and the buccal tube base plate are connected. The buccal tube body is provided with a first buccal tube, a second buccal tube and a traction hook. The first buccal tube and the second buccal tube are arranged side by side and have the same structure.
[0008] The second buccal tube is disposed on all second molars in the dental system. The second buccal tube includes a body and a second buccal tube base plate, the body and the buccal tube base plate are connected, and the body is provided with a single buccal tube and a second traction hook.
[0009] The archwire system includes an anterior segment, a first lateral posterior segment, and a second lateral posterior segment. The anterior segment is positioned between the left and right canines in the dental system. The first lateral posterior segment is positioned between the left premolar and molar in the dental system. The second lateral posterior segment is positioned between the right premolar and molar in the dental system. The archwire system also includes a main archwire, a depressor auxiliary archwire, and a bending long lever arm.
[0010] Preferably, the first groove is a lateral groove, the second groove is a gingival groove, the first self-locking cover is a lateral self-locking cover, the second self-locking cover is a gingival self-locking cover, the opening direction of the lateral self-locking cover is from the lateral side, and the opening direction of the gingival self-locking cover is from the gingival side.
[0011] Preferably, the buccal canal of the first molar includes a first buccal canal and a second buccal canal, with the first buccal canal located on the occlusal side and the second buccal canal located on the gingival side.
[0012] Preferably, a vertical secondary tube is formed between the bracket body and the base of the self-locking bracket.
[0013] Preferably, the bending long lever arm is disposed in the second buccal tube of the first buccal tube, a third traction hook is disposed on the main archwire corresponding to the incisor of the anterior tooth segment, and an elastic device is disposed between the bending long lever arm and the third traction hook.
[0014] Preferably, the elastic device is a chain-like rubber band.
[0015] To achieve the above objectives, the present invention adopts the following technical solution: a dual-main groove three-segment multifunctional oral orthodontic method, the method comprising the following steps:
[0016] The first step involves setting up the first and second posterior tooth segments on one side. Fine nickel-titanium round wires are then sequentially inserted into the first groove of the self-ligating bracket on the teeth of the first and second posterior tooth segments. The fine nickel-titanium round wires are then replaced with thick nickel-titanium round wires, followed by fine nickel-titanium square wires. Finally, the fine nickel-titanium square wires are replaced with thick nickel-titanium square wires. The total duration of the above steps is 1-6 months.
[0017] The second step is to set up the anterior segment; fine nickel-titanium round wires are sequentially inserted into the second groove of the self-ligating brackets on all teeth in the anterior segment and extended to the second groove of the first premolar bracket. Then the fine nickel-titanium round wires are replaced with thick nickel-titanium round wires. The total duration of the above steps is 1-4 months.
[0018] Step 3: Set up the depressor arch; bend a 0.017×0.025 inch stainless steel square wire to make the depressor arch, insert the rear section of the arch into the second buccal tube of the first buccal tube, and use a 0.25mm ligature wire to tie the front section to the main archwire between the incisors and canines and smooth it out.
[0019] Step 4: Set up the first and second lateral posterior tooth segments; continue to replace the coarse nickel-titanium square wire of the first and second lateral posterior tooth segments with 0.019×0.025-inch stainless steel square wire, which serves as the main archwire for the posterior tooth segments.
[0020] Step 5: Set up the anterior tooth section in the second stage. Replace the coarse nickel-titanium round wire of the anterior tooth section with a 0.019×0.025-inch stainless steel square wire. The 0.019×0.025-inch stainless steel square wire serves as the main archwire of the anterior tooth section.
[0021] Step 6: Entering the gap closing stage; a long lever arm made of 0.019×0.025-inch stainless steel square wire is inserted into the second buccal tube of the first buccal tube. A third traction hook is placed at the distal incisor corresponding to the main archwire of the anterior segment. An elastic device is used to apply force between the third traction hook and the long lever arm, so that the main archwire of the anterior segment slides in the second groove of the first premolar.
[0022] Preferably, the method further includes the step of: setting a continuous labial arch in the first groove of the self-ligating bracket, the first buccal tube of the first buccal tube, and the second buccal tube of the first buccal tube on all teeth in the anterior and posterior segments.
[0023] Beneficial effects: The dental arch is divided into three segments—anterior and bilateral posterior—through a double main groove and bilateral buccal canals. Segmental alignment, combined with the use of an auxiliary arch system to connect and strengthen the anterior and posterior segments, overcomes the side effects of increased overbite and loss of posterior anchorage during alignment. A continuous labial arch is inserted into the second groove of a premolar and slids to close the gap. Since sliding only requires one groove, friction is reduced, decreasing the force on the anchorage molar and protecting anchorage. Simultaneously, a bent long lever arm is inserted into the second buccal canal of the first molar, allowing the force to pass through the molar's resistance center, thus enhancing the anchorage of the posterior segment.
[0024] Based on the dental arch characteristics of Chinese people, the bracket data was improved and optimized. The positive torque of the upper and lower incisors and canines was increased, which made the canine roots move further into the cancellous bone, reducing the resistance to canine root movement and the probability of root resorption. The negative torque of the maxillary premolars and molars was increased, which made the roots move towards the buccal direction, reducing the probability of palatal cusp drooping, and at the same time increasing the anchorage of the upper posterior teeth. The negative torque of the mandibular premolars and molars was reduced, which made the mandibular posterior teeth more upright and reduced posterior tooth overbite. The torque of the mandibular first premolar and second premolar was set to be the same, so the mandibular ipsilateral premolars can be used interchangeably.
[0025] The correction system proposed in this patent application combines segmented bow technology, auxiliary bow technology, and sliding gap closing technology, which greatly reduces the problems of uncontrolled friction, poor alignment and leveling, and loss of support that exist in other correction systems, making the correction results more controllable. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the structure of the self-ligating bracket of the orthodontic system according to a specific embodiment of the present invention;
[0027] Figure 2 This is a schematic diagram of the buccal tube structure of an orthodontic system according to a specific embodiment of the present invention;
[0028] Figure 3 This is a perspective view of a self-ligating bracket of an orthodontic system according to a specific embodiment of the present invention;
[0029] Figure 4 This is a schematic diagram of an oral orthodontic system according to a specific embodiment of the present invention. Figure 1 ;
[0030] Figure 5 This is a schematic diagram of an oral orthodontic system according to a specific embodiment of the present invention. Figure 2 ;
[0031] The figure shows: 1. Bracket body; 2. Base plate; 3. First groove; 4. Second groove; 5. Rigid baffle; 6. First self-locking cover plate; 7. Second self-locking cover plate; 8. First unlocking rotating groove; 9. Second unlocking rotating groove; 10. Ligating wing; 11. Buccal tube body; 12. Buccal tube base; 13. First buccal tube; 14. Second buccal tube; 15. Traction hook; 101. Anterior segment; 102. Posterior segment; 103. Main archwire of anterior segment; 104. Main archwire of posterior segment; 105. Depressor auxiliary arch; 106. Self-locking bracket for canines; 107. Buccal tube of first molar; 108. Buccal tube of second molar; 205. Bending long lever arm; 209. Third traction hook; 210. Chain elastic band. Detailed Implementation
[0032] This invention provides a method and system for calculating the transportation costs of non-standard parts in trunk logistics. To make the objectives, technical solutions, and effects of this invention clearer and more explicit, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the invention and are not intended to limit the invention.
[0033] like Figure 1-5 The image shows a specific embodiment of the present invention: a dual-main groove three-segment multifunctional oral orthodontic method and system.
[0034] A dual-main groove three-segment multifunctional orthodontic system is applied to the dental system, which includes maxillary and mandibular teeth. The maxillary and mandibular teeth each include incisors, canines, premolars, and molars arranged sequentially on the left and right sides, respectively. Based on their shape and function, permanent teeth can be divided into eight categories: central incisors, lateral incisors, canines, first premolars, second premolars, first molars, second molars, and third molars (eruption time varies from person to person). The oral cavity is also divided into four quadrants, defined in this application as upper left, lower left, lower right, and lower left. Each quadrant contains central incisors, lateral incisors, canines, first premolars, second premolars, first molars, and second molars, totaling twenty-eight teeth in the human body.
[0035] This orthodontic system includes self-ligating brackets, which are installed on all incisors, canines, and premolars in the dental system. Each self-ligating bracket includes a bracket body and a base plate, which are connected. A ligating wing is provided at the edge of the bracket body. The bracket body has a first groove and a second groove, with a rigid baffle positioned between the first and second grooves. The rigid baffle and the first groove form a first cavity, and the rigid baffle and the second groove form a second cavity. The first and second cavities are identical. A first self-ligating cover plate is provided outside the first cavity, and a second self-ligating cover plate is provided outside the second cavity. The first self-ligating cover plate has a first unlocking rotation groove, and the second self-ligating cover plate has a second unlocking rotation groove. The base plate is connected to the teeth; the method of connection between the base plate and the teeth is conventional and will not be described further. The dual main grooves comprise a first groove and a second groove, both with identical dimensions of 0.021 × 0.028 inches. The groove on the lateral side is the first groove, and the groove on the gingival side is the second groove. Both main grooves are housed within the groove, and both grooves can accommodate archwires of varying thicknesses. The rigid baffle can be replaced with an elastic baffle, and even the first and second grooves can be replaced with grooves of different specifications. In other words, the first and second cavities formed by them can be cavities of different volumes, which can be modified as long as they are suitable for clinical medicine. The self-locking covers are located above the first and second grooves, and the two self-locking covers abut against the rigid baffles. The self-locking covers can be opened or closed, and when closed, they can restrict the archwire from moving labially from the position of the self-locking covers; the self-locking covers on the lateral side open from the lateral side, and the self-locking covers on the gingival side open from the gingival side.
[0036] A first buccal tube is disposed on all first molars in the dental system. The first buccal tube includes a buccal tube body and a buccal tube base plate, which are connected. The buccal tube body is provided with a first buccal tube, a second buccal tube, and a traction hook. The first buccal tube and the second buccal tube are arranged side by side and have the same structure.
[0037] The second buccal tube is installed on all second molars in the dental system. The second buccal tube includes a body and a second buccal tube base plate connected together. The body has a single buccal tube and a second traction hook. The buccal tube is a double-tube buccal tube on the first molar and a single-tube buccal tube on the second molar. The main buccal tube of the first molar is located occlusally, and the secondary tube is located gingivally. Both tubes are the same size, 0.021 × 0.028 inches.
[0038] The archwire system includes an anterior segment, a first lateral posterior segment, and a second lateral posterior segment. The anterior segment is positioned between the left and right canines in the dental system. The first lateral posterior segment is positioned between the left premolar and molar in the dental system. The second lateral posterior segment is positioned between the right premolar and molar in the dental system. The archwire system also includes a main archwire, a depressor auxiliary archwire, and a bending long lever arm.
[0039] Preferably, the first groove is a lateral groove, the second groove is a gingival groove, the first self-locking cover is a lateral self-locking cover, the second self-locking cover is a gingival self-locking cover, the opening direction of the lateral self-locking cover is from the lateral side, and the opening direction of the gingival self-locking cover is from the gingival side.
[0040] Preferably, a vertical secondary tube is formed between the self-locking bracket body and the base. This is used to insert a free-floating traction hook for convenient traction force application.
[0041] The groove is divided into a first groove and a second groove, both measuring 0.021 × 0.028 inches. The groove on the occlusal side is the first groove, and the groove on the gingival side is the second groove. Both main grooves are located within the groove, separated by a rigid baffle. Self-locking covers are installed in both grooves, contacting the rigid baffle. The cover on the occlusal side opens from the occlusal side, and the cover on the gingival side opens from the gingival side. The choice between opening the self-locking cover on the occlusal or gingival side depends on the clinical situation.
[0042] The buccal canal of the first molar is also designed with two tubes: the occlusal side is the first buccal canal, and the gingival side is the second buccal canal. The two buccal canals are the same size.
[0043] The dental arch is divided into three segments: anterior and bilateral posterior, using a double main groove and bilateral buccal canals. Segmental alignment is achieved by connecting and strengthening the anterior and posterior segments using an auxiliary arch system, overcoming the side effects of increased overbite and loss of posterior anchorage that occur during alignment. A continuous labial arch is inserted into the second groove of a premolar and slids to close the gap. Since sliding only within one groove reduces friction and stress on the anchorage molar, it helps protect the anchorage. Simultaneously, a bent long lever arm is inserted into the second buccal canal of the first molar, allowing the force to pass through the molar's resistance center to enhance the anchorage of the posterior segment.
[0044] To achieve the above objectives, the present invention adopts the following technical solution: a dual-main groove three-segment multifunctional oral orthodontic method, the method comprising the following steps:
[0045] The first step involves setting up the first and second posterior tooth segments on one side. Fine nickel-titanium round wires are then sequentially inserted into the first groove of the self-ligating bracket on the teeth of the first and second posterior tooth segments. The fine nickel-titanium round wires are then replaced with thick nickel-titanium round wires, followed by fine nickel-titanium square wires. Finally, the fine nickel-titanium square wires are replaced with thick nickel-titanium square wires. The total duration of the above steps is 1-6 months.
[0046] The second step is to set up the anterior segment; fine nickel-titanium round wires are sequentially inserted into the second groove of the self-ligating brackets on all teeth in the anterior segment and extended to the second groove of the first premolar bracket. Then the fine nickel-titanium round wires are replaced with thick nickel-titanium round wires. The total duration of the above steps is 1-4 months.
[0047] Step 3: Set up the depressor arch; bend a 0.017×0.025 inch stainless steel square wire to make the depressor arch, insert the rear section of the arch into the second buccal tube of the first buccal tube, and use a 0.25mm ligature wire to tie the front section to the main archwire between the incisors and canines and smooth it out.
[0048] Step 4: Set up the first and second lateral posterior tooth segments; continue to replace the coarse nickel-titanium square wire of the first and second lateral posterior tooth segments with 0.019×0.025-inch stainless steel square wire, which serves as the main archwire for the posterior tooth segments.
[0049] Step 5: Set up the anterior tooth section in the second stage. Replace the coarse nickel-titanium round wire of the anterior tooth section with a 0.019×0.025-inch stainless steel square wire. The 0.019×0.025-inch stainless steel square wire serves as the main archwire of the anterior tooth section.
[0050] Step 6: Entering the gap closing stage; a long lever arm made of 0.019×0.025-inch stainless steel square wire is inserted into the second buccal tube of the first buccal tube. A third traction hook is placed at the distal incisor corresponding to the main archwire of the anterior segment. An elastic device is used to apply force between the third traction hook and the long lever arm, so that the main archwire of the anterior segment slides in the second groove of the first premolar.
[0051] Preferably, it also includes: setting a segmental arch in the first groove of the self-ligating bracket and the first buccal tube of the first buccal tube on all teeth in the anterior segment.
[0052] In the first groove of the incisors, canines, premolars, and the first buccal canal of the molars, continuous labial arches can be used as a traditional orthodontic method.
[0053] In the first groove of the premolar and the first buccal canal of the molar, segmental archwires are used to align and level the teeth, and finally, a near-full-size archwire is used to form a rigid connection to enhance the anchorage of the posterior teeth.
[0054] Archwires are used in the second grooves of the incisors, canines, and premolars to connect the anterior and posterior dental arches, gradually aligning and leveling them. An intrusion auxiliary archwire is used in the second buccal canal of the first molar, ligated to the main archwire between the lateral incisors and canines, for anterior tooth intrusion. In the anterior segment, including the central incisors, lateral incisors, and canines, a stainless steel square wire is used, bent 90 degrees distal to the gingival margin of the canine and then flattened. The archwire is directly inserted into the second buccal canal of the first molar buccal canal. Because it only needs to slide within the auxiliary tube of the second buccal canal, friction during the gap-closing stage is reduced.
[0055] Example 1:
[0056] This invention adopts the following technical solution: a dual-main groove three-segment multifunctional oral orthodontic method, the method comprising the following steps:
[0057] The first step is to set up the first and second posterior tooth segments. Fine nickel-titanium round wires are then inserted sequentially into the first groove of the self-ligating bracket on the teeth of the first and second posterior tooth segments to align them. Over 1-6 months, the nickel-titanium round wires are successively changed from 0.012, 0.014, 0.016, and 0.018 inches, then to 0.016×0.022 inches thicker nickel-titanium square wires, and finally to 0.017×0.025 inches thicker nickel-titanium square wires.
[0058] The second step is to set up the anterior segment; fine nickel-titanium round wires are sequentially inserted into the second groove of the self-ligating brackets on all teeth in the anterior segment, and extended to the second groove of the first premolar bracket. The fine nickel-titanium round wires are replaced sequentially with 0.012, 0.014, and 0.016-inch wires every 1-4 months.
[0059] Step 3: Set up the depressor arch; bend a 0.017×0.025 inch stainless steel square wire to depress the arch. Place the rear section of the arch into the second buccal tube of the first molar buccal tube, and use a 0.25mm ligature wire to tie the front section to the archwire of the anterior teeth between the incisors and canines and smooth it.
[0060] Step 4: Set up the first and second posterior tooth segments; every 1-2 months, continue to replace the archwires of the first and second posterior tooth segments with 0.019×0.025-inch stainless steel square wire, which will be used as the main archwire for the posterior tooth segments.
[0061] Step 5: Set up the anterior segment in the second stage. Replace the anterior segment archwire with a 0.019×0.025 inch stainless steel square wire as the main archwire for the anterior segment every 2-4 months.
[0062] Step 6: Entering the gap closing stage; a long lever arm is bent from a 0.019×0.025 inch stainless steel square wire and inserted into the second buccal tube of the first buccal tube. A traction hook is placed distal to the lateral incisor of the main archwire in the anterior segment. An elastic device is used to apply force between the traction hook of the main archwire in the anterior segment and the long lever arm of the first molar, so that the main archwire in the anterior segment slides in the second groove of the first premolar on both sides.
[0063] The dental arch is divided into three segments: anterior and bilateral posterior, using a double main groove and bilateral buccal canals. Segmental alignment is achieved by connecting and strengthening the anterior and posterior segments using an auxiliary arch system, overcoming the side effects of increased overbite and loss of posterior anchorage that occur during alignment. A continuous labial arch is inserted into the second groove of a premolar and slids to close the gap. Since sliding only within one groove reduces friction and stress on the anchorage molar, it helps protect the anchorage. Simultaneously, a bent long lever arm is inserted into the second buccal canal of the first molar, allowing the force to pass through the molar's resistance center to enhance the anchorage of the posterior segment.
[0064] Based on the dental arch characteristics of Chinese people, the bracket data was improved and optimized. The positive torque of the upper and lower incisors and canines was increased, which made the canine roots move further into the cancellous bone, reducing the resistance to canine root movement and the probability of root resorption. The negative torque of the maxillary premolars and molars was increased, which made the roots move towards the buccal direction, reducing the probability of palatal cusp drooping, and at the same time increasing the anchorage of the upper posterior teeth. The negative torque of the mandibular premolars and molars was reduced, which made the mandibular posterior teeth more upright and reduced posterior tooth overbite. The torque of the mandibular first premolar and second premolar was set to be the same, so the mandibular ipsilateral premolars can be used interchangeably.
[0065] The correction system proposed in this patent application combines segmented bow technology, auxiliary bow technology, and sliding gap closing technology, which greatly reduces the problems of uncontrolled friction, poor alignment and leveling, and loss of support that exist in other correction systems, making the correction results more controllable.
[0066] The bracket structure disclosed in this patent adopts a brand-new double main groove design, which can be fully connected with the base structure of the lingual bracket and placed well on the corresponding part of the tooth on the lingual side, thus making its application range wider.
[0067] In cases where the second premolar needs to be extracted, the corresponding treatment for the first premolar is transferred to the second premolar.
[0068] It is understood that those skilled in the art can make equivalent substitutions or modifications to the technical solutions and concepts of this invention, and all such substitutions or modifications should fall within the protection scope of the appended claims.
Claims
1. A dual-main-groove, three-segment multifunctional orthodontic system applied to the dental system, the dental system comprising maxillary teeth and mandibular teeth, the maxillary teeth and mandibular teeth respectively comprising incisors, canines, premolars and molars arranged sequentially on the left and right sides, characterized in that, include: The self-ligating bracket is disposed on all incisors, canines, and premolars in the dental system. The self-ligating bracket includes a bracket body and a base plate, which are connected. A ligating wing is provided at the edge of the bracket body. The bracket body has a first groove and a second groove. A rigid baffle is provided between the first groove and the second groove. The rigid baffle and the first groove form a first cavity, and the rigid baffle and the second groove form a second cavity. The first cavity and the second cavity are identical cavities. A first self-ligating cover plate is provided on the outside of the first cavity, and a second self-ligating cover plate is provided on the outside of the second cavity. A first unlocking rotation groove is provided on the first self-ligating cover plate, and a second unlocking rotation groove is provided on the second self-ligating cover plate. A first buccal tube is provided on all first molars in the dental system. The first buccal tube includes a buccal tube body and a buccal tube base plate. The buccal tube body and the buccal tube base plate are connected. The buccal tube body is provided with a first buccal tube, a second buccal tube and a traction hook. The first buccal tube and the second buccal tube are arranged side by side and have the same structure. The first buccal tube is located on the occlusal side and the second buccal tube is located on the gingival side. The second buccal tube is disposed on all second molars in the dental system. The second buccal tube includes a body and a second buccal tube base plate, the body and the buccal tube base plate are connected, and the body is provided with a single buccal tube and a second traction hook. The archwire system includes an anterior segment, a first lateral posterior segment, and a second lateral posterior segment. The anterior segment is positioned between the left and right canines in the dental system. The first lateral posterior segment is positioned between the left premolar and molar in the dental system. The second lateral posterior segment is positioned between the right premolar and molar in the dental system. The archwire system also includes a main archwire, an indentation auxiliary archwire, and a bending long lever arm. The first groove is an occlusal groove, the second groove is a gingival groove, the first self-ligating cover plate is an occlusal self-ligating cover plate, and the second self-ligating cover plate is a gingival self-ligating cover plate. The occlusal self-ligating cover plate opens from the occlusal side, and the gingival self-ligating cover plate opens from the gingival side. The method of using the dual main groove three-segment multifunctional oral orthodontic system includes the following steps: The first step involves setting up the first and second posterior tooth segments on one side. Fine nickel-titanium round wires are then sequentially inserted into the first groove of the self-ligating bracket on the teeth of the first and second posterior tooth segments. The fine nickel-titanium round wires are then replaced with thick nickel-titanium round wires, followed by fine nickel-titanium square wires. Finally, the fine nickel-titanium square wires are replaced with thick nickel-titanium square wires. The total duration of the above steps is 1-6 months. The second step is to set up the anterior segment; fine nickel-titanium round wires are sequentially inserted into the second groove of the self-ligating brackets on all teeth in the anterior segment and extended to the second groove of the first premolar bracket. Then the fine nickel-titanium round wires are replaced with thick nickel-titanium round wires. The total duration of the above steps is 1-4 months. Step 3: Set up the depressor arch; bend a 0.017×0.025 inch stainless steel square wire to make the depressor arch, insert the rear section of the arch into the second buccal tube of the first buccal tube, and use a 0.25mm ligature wire to tie the front section to the main archwire between the incisors and canines and smooth it out. Step 4: Set up the first and second lateral posterior tooth segments; continue to replace the coarse nickel-titanium square wire of the first and second lateral posterior tooth segments with 0.019×0.025-inch stainless steel square wire, which serves as the main archwire for the posterior tooth segments. Step 5: Set up the anterior tooth section in the second stage. Replace the coarse nickel-titanium round wire of the anterior tooth section with a 0.019×0.025-inch stainless steel square wire. The 0.019×0.025-inch stainless steel square wire serves as the main archwire of the anterior tooth section. Step 6: Entering the gap closing stage; a long bent lever arm made of 0.019×0.025 inch stainless steel square wire is inserted into the second buccal tube of the first buccal tube. A third traction hook is placed at the distal incisor corresponding to the main archwire of the anterior segment. An elastic device is used to apply force between the third traction hook and the long bent lever arm, so that the main archwire of the anterior segment slides in the second groove of the first premolar. A vertical secondary tube is formed between the bracket body and the base of the self-ligating bracket. The long bent lever arm is set in the second buccal tube of the first buccal tube. A third traction hook is set on the main archwire corresponding to the incisor of the anterior segment. An elastic device is set between the long bent lever arm and the third traction hook. The elastic device is a chain elastic band or tension spring. The double main groove three-segment multifunctional oral orthodontic method also includes: setting a continuous labial arch in the first groove of the self-ligating bracket, the first buccal tube of the first buccal tube and the second buccal tube of the first buccal tube on all teeth in the anterior and posterior segments.
Citation Information
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