CN210144771U - A combined device for guiding mandibular forward and fixed orthodontics - Google Patents

Abstract

The utility model discloses a mandibular forward and fixed orthodontic combined orthodontic device, which comprises an upper jaw appliance and a lower jaw appliance. The upper jaw appliance comprises a first molar and a second premolar or a second deciduous molar. A metal joint crown and palatal rod, the first metal joint crown is mounted with the first buccal tube and

pad, the first buccal canal for placement of the main arch wire in the upper dentition,

A power arm is arranged on one side of the pad; the mandibular appliance includes a second metal joint crown and a lingual arch installed on the first molar and the second premolar or the second deciduous molar, and a second metal joint crown is installed on the buccal side of the second metal joint crown. Two buccal tubes, the main arch wire of the lower dentition is placed in the second buccal tube, and the second metal crown is installed with

The pad power arm cooperates with the blocking arm. The utility model realizes the forward guidance of the mandible through the cooperation of the maxillary power arm and the mandibular blocking arm, and realizes fixed correction through the brackets installed on the tooth surface and the main arch wires of the upper and lower dentition.

Description

A combined device for guiding mandibular forward and fixed orthodontics

technical field

The utility model belongs to the field of oral orthodontics, in particular to a combined orthodontic treatment device for guiding the mandible forward and fixing the orthodontics.

Background technique

畸形患者的治疗仍然主要采用传统的两期治疗，即包括Ⅰ期功能性矫正和Ⅱ期固定正畸矫正。Ⅰ期功能性矫正主要是阻断或矫正骨骼畸形，协调上下颌骨的关系。Ⅱ期固定正畸矫正主要是排齐整平内收牙列，调整咬合关系。两期分开治疗不仅治疗的疗程长，会影响患者的依从性和治疗的主动性。Currently, for class II faults with growth potential

The treatment of deformity patients still mainly adopts the traditional two-stage treatment, that is, including stage I functional correction and stage II fixed orthodontic correction. The first stage of functional correction is mainly to block or correct skeletal deformities and coordinate the relationship between the upper and lower jaws. Stage II fixed orthodontic correction is mainly to align and level the adducted dentition and adjust the occlusal relationship. The two-phase separate treatment not only takes a long course of treatment, but also affects the patient's compliance and treatment initiative.

畸形的功能矫治器包括可摘式功能矫治器和固定式功能矫治器，可摘式矫治器多有体积大、需要患者配合等问题，而固定矫治器对于患者的依从性没有过高要求，矫治效果易得到保证。目前的针对II类错

畸形的固定功能矫治器主要包括：1、以Herbst为代表的刚性固定功能矫治器，其通过套管结构导下颌向前，支抗集中在后牙上，但Herbst有支抗控制欠佳、侧方运动受限、体积大且患者舒适度差等缺点；2、以JasperJumper、Forsus等为代表的弹性固定功能矫治器，通过弹簧结构推下颌向前，但其均存在下颌切牙明显唇倾、影响下颌前导量等问题；3、以MARA(下颌前伸复位矫治器)为代表的固定功能矫治器，通过上下颌磨牙上的侧方结构的卡锁作用迫使下颌处于前伸的位置，由于支抗仅为上下颌第一磨牙，矢状向和垂直向支抗控制不足，仍难以提供足够的支抗；并且下颌前导后后牙无法建立咬合、影响患者进食，且过大的肌肉力量容易使矫治器变形损坏。For Type II errors

Deformity functional appliances include removable functional appliances and fixed functional appliances. Detachable appliances are mostly bulky and require patient cooperation, while fixed appliances do not have high requirements for patient compliance. The effect is easily guaranteed. Current targets for Type II faults

Deformed fixed function appliances mainly include: 1. Rigid fixed function appliances represented by Herbst, which guide the mandible forward through the sleeve structure, and the anchorage is concentrated on the posterior teeth, but Herbst has poor anchorage control, lateral 2. The elastic fixed functional appliances represented by JasperJumper, Forsus, etc. push the mandible forward through the spring structure, but they all have obvious lip tilt of the mandibular incisors, 3. The fixed function appliance represented by MARA (mandibular protruding reduction appliance) forces the mandible in the protruding position through the locking effect of the lateral structures on the upper and lower molars. The resistance is only for the maxillary and mandibular first molars, and the sagittal and vertical anchorages are insufficiently controlled, so it is still difficult to provide sufficient anchorage; and the mandibular anterior and posterior teeth cannot establish occlusion, which affects the patient's eating, and the excessive muscle strength is easy to cause. The appliance is deformed and damaged.

畸形的功能矫形技术，在I期治疗后，多为前牙接触，后牙开

的状态，而这种状态下前导的下颌位置难以维持、疗效极不稳定；此外，现有的矫正II类错

的功能矫治器，普遍存在前导下颌时下前牙明显唇倾的问题，进而影响下颌前导空间，导致下颌前导量不足。目前，还没有一种矫治器将功能矫形治疗和固定正畸矫正相结合、并能有效避免下切牙唇倾。In addition, existing

The deformed functional orthopaedic technique, after the first-stage treatment, is mostly contact of the anterior teeth, and the posterior teeth are opened.

In this state, the leading mandibular position is difficult to maintain and the curative effect is extremely unstable; in addition, the existing correction of Class II malocclusion

There is a common problem of obvious labial tilt of the lower anterior teeth when leading the mandible, which affects the mandibular leading space and leads to insufficient mandibular leading. At present, there is no appliance that combines functional orthopaedic treatment with fixed orthodontic correction and can effectively avoid lower incisor labial tilt.

Utility model content

The purpose of the utility model is to provide a combined orthodontic treatment device for guiding the mandible forward and fixing the orthodontic device, which can realize the treatment of the mandibular forward and the fixed orthodontic treatment at the later stage at the same time, not only the treatment time is short, but also the treatment effect is good.

The purpose of this utility model is to realize through the following technical solutions:

A mandibular forward guiding appliance, comprising an upper jaw appliance and a mandibular appliance;

面上安装有可拆卸安装的

垫，

垫靠近第二前磨牙或第二乳磨牙一端的侧面设有动力臂；The maxillary appliance includes a first metal joint crown installed on the first molars and second premolars or second deciduous molars on the left and right sides of the upper jaw, and a first metal joint crown for connecting the left and right sides of the first metal joint crown. palatal rod, the first metal coronal

Removable mounted on the surface

pad,

The side of the pad close to one end of the second premolar or the second primary molar is provided with a power arm;

垫动力臂配合的阻挡臂，闭口运动时下颌阻挡臂沿上颌动力臂向前上方滑动后然后动力臂与阻挡壁形成卡锁迫使下颌处于前伸位置，实现下颌后缩的矫正。The mandibular appliance includes a second metal joint crown installed on the first molars and second premolars or second deciduous molars on the left and right sides of the lower jaw, and a second metal joint crown for connecting the left and right sides of the second metal joint crown. The lingual arch, the second metal joint crown is located on the side of the mandibular second premolar or the second primary molar and is provided with the upper jaw.

The blocking arm is matched with the power arm of the pad. When the jaw is closed, the blocking arm of the mandible slides forward and upward along the power arm of the maxilla, and then the power arm and the blocking wall form a lock to force the mandible to be in the forward position, so as to realize the correction of mandibular retraction.

Further, the present invention also includes a first buccal tube installed on the buccal side of the first metal joint crown of the upper jaw and located on the first molar, and a second buccal tube installed on the buccal side of the second metal joint crown of the lower jaw and located on the second buccal surface of the first molar. By installing the main arch wire of the upper dentition used for fixed correction in the first buccal tube on the left and right sides, and the main arch wire of the lower dentition used for fixed correction in the second buccal tube on the left and right sides, Finally, the brackets are installed on the tooth surface and connected with the main arch wires of the upper and lower dentition to achieve fixed correction.

垫和动力臂一体成型，且所述动力臂的前侧面为光滑斜面，斜面由前上方向后下方倾斜；所述阻挡臂的后侧面也为光滑斜面，且动力臂与阻挡臂的斜面契合。Further, the

The pad and the power arm are integrally formed, and the front side of the power arm is a smooth inclined surface, and the inclined surface is inclined from the front to the rear and the bottom; the rear side of the blocking arm is also a smooth inclined surface, and the power arm fits the inclined surface of the blocking arm.

垫与第一金属联冠接触面上设有限位孔，所述第一金属联冠上设有与限位孔对应的限位柱。Further, the

Limit holes are provided on the contact surface of the pad and the first metal joint crown, and limit posts corresponding to the limit holes are arranged on the first metal joint crown.

垫可通过与第一金属联冠的拉钩结扎实现可拆卸安装在第一金属联冠上或通过粘接固定安装在第一金属联冠上。Further, the

The pad can be detachably installed on the first metal joint crown by being ligated with the draw hook of the first metal joint crown or fixedly installed on the first metal joint crown by bonding.

Further, both the power arm and the blocking arm are located on the buccal or lingual side.

Further, the first metal joint crown and the palatal rod are integrally formed, the second metal joint crown and the lingual arch are integrally formed, and the first metal joint crown, the palatal rod, the second metal joint crown and the lingual arch are all made of medical grade metal. material.

Further, a helical bow expander may be provided on the palatal rod.

Further, an attachment tube is installed on the buccal or lingual side of the second premolar or the second primary molar, and the attachment tube is used for installing the metal power arm.

面倾斜。Further, a third buccal tube is installed on the buccal side of the second premolar or the second primary molar with the first metal joint crown, and the first buccal tube and the third buccal tube have different axial inclinations. Both from mesial to gingival to distal

face inclined.

The utility model has the following beneficial effects:

垫(动力臂)和阻挡臂，通过咬合使上颌的动力臂和下颌的阻挡臂配合实现下颌后缩的矫正，通过上、下牙列主弓丝以及安装在牙面上并与主弓丝连接的正畸托槽实现固定矫治，并且功能矫治器固位于后牙，前牙的移动因此不受限制，从而将功能矫形治疗和固定正畸治疗相结合；(1) By setting the metal joint crown matching the first molar and the second premolar or the second deciduous molar, the main arch wire,

Pad (power arm) and blocking arm, through occlusion, the power arm of the upper jaw and the blocking arm of the lower jaw cooperate to achieve the correction of mandibular retraction, through the main arch wire of the upper and lower dentition and installed on the tooth surface and connected with the main arch wire The orthodontic bracket realizes fixed orthodontic treatment, and the functional appliance is fixed on the posterior teeth, so the movement of the anterior teeth is not restricted, thus combining functional orthodontic treatment with fixed orthodontic treatment;

(2) Compared with the metal single crown (single tooth) in the prior art, the vertical and sagittal directions are strengthened by setting the metal joint crown matching the first molar and the second premolar or the second deciduous molar. At the same time, the palatal rod and lingual arch are integrally formed, which further strengthens the anchorage;

垫使后牙建立咬合，使作用于阻挡结构的力量部分分散至上下颌后牙及牙槽骨，相传传统的功能性矫正器，具有支抗强、矫治器不易变形损坏、患者体验度高等优点；(3) Pass

The pad makes the posterior teeth establish occlusion, so that the force acting on the blocking structure is partially distributed to the upper and lower posterior teeth and alveolar bone. According to legend, the traditional functional appliance has the advantages of strong anchorage, the appliance is not easily deformed and damaged, and the patient experience is high;

垫的可拆卸安装，在前牙压低后取下、调磨

垫的厚度，实现前后牙良好的咬合接触；(4) Pass

Removable installation of pads, remove and grind after the front teeth are depressed

The thickness of the pad to achieve good occlusal contact between the anterior and posterior teeth;

垫的可拆卸安装，更换不同长度的

垫或者在

垫和动力臂前端加胶增长

垫长度，实现分步前导下颌；(5) Pass

Removable installation of pads, replacement of different lengths

pad or in

Pad and power arm front end plus rubber growth

Pad length to achieve step-by-step leading mandible;

覆盖的影响导致的下颌前导不足；(6) By installing the buccal tube on which the main arch wire is installed on the metal joint crown with a certain axial inclination, the anterior teeth can be depressed, so that the anterior teeth can be occluded and the posterior teeth can be successfully established, so that the treatment effect is more stable. , while avoiding overburden due to anterior teeth

Insufficient mandibular advancement due to the impact of coverage;

(7) By installing two buccal tubes with different axial inclinations in the maxilla, to achieve the needs of different anterior tooth depressions;

(8) Cocoa can greatly shorten the treatment time, and realize the seamless connection of mandibular leading and fixed orthodontic treatment, so that the mandibular leading effect is more stable;

垫和阻挡臂)单独使用且不影响其功能。(9) The main arch wire is installed through the buccal tube, which can make the functional orthosis (

pads and blocking arms) are used alone and do not affect their function.

Description of drawings

Figure 1 is a schematic structural diagram of the buccal side of the present invention.

Fig. 2 is a schematic diagram of the maxilla on the buccal side of the present invention.

垫结构示意图。Fig. 3 is the first metal joint crown on the buccal side of the utility model and

Schematic diagram of the pad structure.

4 is a schematic diagram of the lower jaw on the buccal side of the present invention.

FIG. 5 is a schematic diagram of the use state of the buccal side of the present invention.

Figure 6 is a schematic structural diagram of the tongue side of the present invention.

7 is a schematic diagram of the maxilla on the tongue side of the present invention.

8 is a schematic diagram of the lower jaw on the tongue side of the present invention.

FIG. 9 is a schematic diagram of the use state of the tongue side of the present invention.

垫；21、动力臂；22、限位孔；23、结扎孔；3、腭杆；4、第二金属联冠；41、阻挡臂；5、舌弓；6、第一颊面管；7、第二颊面管；8、第三颊面管；9、附件管。Markings in the picture: 1. The first metal joint crown; 11. Limiting column; 12. Ligation hook; 2.

Pad; 21, power arm; 22, limit hole; 23, ligation hole; 3, palatal rod; 4, second metal crown; 41, blocking arm; 5, lingual arch; 6, first buccal tube; 7 , the second buccal tube; 8, the third buccal tube; 9, the accessory tube.

Detailed ways

Example 1

垫2、动力臂21、阻挡臂41、主弓丝和托槽。As shown in FIGS. 1 to 5 , the mandibular forward guiding and fixed orthodontic two-in-one orthosis provided by this embodiment includes a maxillary appliance, a mandibular appliance,

Pad 2, power arm 21, blocking arm 41, main arch wire and bracket.

面上的

垫2、以及用于连接左、右两侧第一金属联冠1的腭杆3，位于上颌第一磨牙的第一金属联冠1的颊侧上安装有第一颊面管6，第一颊面管6具有一定的轴倾度，所述轴倾度是指颊面管的中心线与牙长轴不平行，且由近中靠牙龈向远中靠

面倾斜，利于实现前牙的压低，可解决下颌前导空间不足的问题。所述第一金属联冠1的

面上一体成型有两个限位柱11，限位柱11的长度不高于

面的最高度，第一金属联冠1的两侧还安装有结扎钩12，所述

垫2上有与限位柱11对应的限位孔22，不仅可对

垫2进行定位安装，还可以有效防止

垫2前后左右摆动，增强

垫2的固位；所述

垫2两侧开有结扎孔23，将结扎丝穿过结扎孔23并固定在结扎钩12，从而使

垫2可拆卸和固定安装在第一金属联冠1上，也可采用粘接的方式将

垫2固定安装在第一金属联冠1的

面上，所述

垫2靠近第二前磨牙或第二乳磨牙一端的颊侧设有动力臂21，动力臂21与

垫2一体成型，且其前端面为光滑斜面，所述前端面为远离第一磨牙的一端的端面，斜面为由前上方向后下方倾斜的面，斜面与

面之间存在夹角；所述

垫2可通过注塑而成也可通过3D打印技术制造或切削加工而成，且材料为医用高分子树脂材料制成。The maxillary appliance includes a first metal joint crown 1 installed on the first molars and second premolars or second deciduous molars on the left and right sides of the upper jaw, and a metal joint crown 1 installed on the first metal joint crown 1.

face

The pad 2, and the palatal rod 3 for connecting the first metal joint crown 1 on the left and right sides, a first buccal tube 6 is installed on the buccal side of the first metal joint crown 1 of the maxillary first molar, and the first buccal tube 6 is installed. The buccal tube 6 has a certain axial inclination, and the axial inclination means that the centerline of the buccal tube is not parallel to the long axis of the tooth, and is close to the gingiva from the mesial to the distal.

The face is inclined, which is beneficial to realize the depression of the anterior teeth, and can solve the problem of insufficient mandibular leading space. The first metal joint crown 1

Two limit posts 11 are integrally formed on the surface, and the length of the limit posts 11 is not higher than

At the highest height of the surface, ligature hooks 12 are also installed on both sides of the first metal joint crown 1.

There is a limit hole 22 corresponding to the limit post 11 on the pad 2, which can not only

Pad 2 is positioned and installed, which can also effectively prevent

Pad 2 swings back and forth left and right, enhancing

Retention of pad 2; the

Ligation holes 23 are opened on both sides of the pad 2, and the ligation wire is passed through the ligation holes 23 and fixed to the ligation hook 12, so that the

The pad 2 can be detachably and fixedly installed on the first metal joint crown 1, and can also be glued together.

Pad 2 is fixedly installed on the first metal joint crown 1

face, the

A power arm 21 is provided on the buccal side of one end of the pad 2 close to the second premolar or the second deciduous molar.

The pad 2 is integrally formed, and its front end surface is a smooth inclined surface.

There is an angle between the faces; the

The pad 2 can be made by injection molding or by 3D printing technology or by cutting, and the material is made of medical polymer resin material.

垫2与下颌的第一磨牙和第二前磨牙或第二乳磨牙的第二金属联冠咬合接触，保证了患者的进食，且

垫分散部分作用于阻挡臂和动力臂的作用力，避免矫治器的变形损坏；同时动力臂21向前与阻挡臂契合，将向前的力传递给阻挡臂，使下颌被迫前伸，长时间下，下颌在此前伸位置生长改建，进而实现下颌后缩的矫正。The mandibular appliance includes a second metal joint crown 4 installed on the first molars and second premolars or second deciduous molars on the left and right sides of the lower jaw, and a second metal joint crown for connecting the left and right sides. The lingual arch 5 of 4, the second buccal tube 7 is installed on the buccal side of the second metal joint crown 4 of the first molar of the lower jaw, and the second buccal tube 7 is used to install the main arch of the lower dentition used for fixed orthodontics. Silk. The buccal side of the second metal joint crown 4 of the second premolar or the second primary molar in the lower jaw is provided with a blocking arm 41 used for correcting the mandibular retraction and matched with the power arm 21. The two metal joint crowns 4 are integrally formed, and the front inclined surface thereof is also a smooth inclined surface and fits with the front end surface of the power arm 21, and its cheek surface is smooth and blunt. During bite,

The pad 2 is in occlusal contact with the second metal crown of the mandibular first molar and the second premolar or the second primary molar, ensuring the patient's feeding, and

The dispersing part of the pad acts on the force of the blocking arm and the power arm, so as to avoid the deformation and damage of the appliance; at the same time, the power arm 21 fits forward with the blocking arm, and transmits the forward force to the blocking arm, so that the lower jaw is forced to stretch forward and lengthen. Over time, the mandible grows and remodels at this extended position, thereby realizing the correction of mandibular retraction.

Orthodontic brackets are installed on the remaining teeth of the upper and lower jaws. The size of the bracket groove and the ligation method are not limited. Fixed orthodontic treatment is achieved through the main arch wires of the upper and lower dentition and the orthodontic brackets installed on the tooth surface and connected with the main arch wires. You can also choose not to install the main arch wire, and just use the mandibular retraction correction function alone.

The buccal side of the first metal joint crown 1 is installed with an accessory tube for installing a metal power arm. The metal power arm includes a horizontal strut, a vertical rod and a curved rod that are connected in sequence and integrally formed. The horizontal strut and the vertical rod Vertical, the angle between the vertical rod and the curved rod is less than 90°, and the preferred choice is 45°, and the curved rod is inclined from the front down to the back up. When the force is increased, the mandibular leading can be continued by using the metal power arm on the buccal side after the establishment of the posterior occlusion in the later stage.

The first metal joint crown 1 and the palatal rod 3 are integrally formed, and are cast from medical-grade metal materials or printed by 3D printing technology, and can be placed on the palatal rod 3 according to the specific conditions of the patient (the upper dental arch is narrow). The spiral expander is designed to realize the expansion of the upper dental arch.

The second metal joint crown 4 and the lingual arch 5 are integrally formed, and are cast from medical-grade metal materials or printed by 3D printing technology, so that the surface is smooth and the comfort is improved.

垫2亦可在动力臂21前端加胶实现下颌分步前导。因前导量不同，前牙的压低量也不相同，在所述第一金属联冠1上并位于第二前磨牙或第二乳磨牙的颊侧上安装有第三颊面管，第三颊面管也具有一定的轴倾度，且与第一颊面管的轴倾度不同，可将主弓丝固定在不同的轴倾度的颊面管上，以实现不同的前牙压低量。When the mandibular lead of the patient is large, the power arm 21 with different lengths can be designed according to the lead, and the power arm 21 of different length can be replaced by directly replacing the whole

The pad 2 can also be glued on the front end of the power arm 21 to realize the stepwise leading of the mandible. Due to the difference in the leading amount, the depression amount of the anterior teeth is also different. A third buccal tube is installed on the first metal joint crown 1 and located on the buccal side of the second premolar or the second primary molar. The face tube also has a certain axial inclination, which is different from the axial inclination of the first buccal tube, and the main arch wire can be fixed on the buccal tube with different axial inclinations to achieve different anterior tooth depressions.

垫2安装在第一金属联冠1上，再安装正畸托槽，最后将主弓丝安装在相应的颊面管和托槽内。闭口运动时下颌阻挡臂沿上颌动力臂向前上方滑动，最终二者形成卡锁作用，迫使下颌处于前伸位置，实现下颌后缩的矫正。在导下颌向前的过程中配合内收、压低前牙，可以有效避免由于下切牙唇倾导致的即使前导下颌至切对切仍上下颌骨不调的问题以及功能矫形结束后后牙未建立咬合接触的问题，可以很好地实现导下颌向前至ANB角为一正常值。此外，必要时可以种植钉辅助后牙压低，进行垂直向控制，因此本实用新型同样适用于高角病例；在压低前牙的过程中，复诊时取下

垫，逐步调磨

垫厚度，使前牙保持正常的覆

当患者的下颌前导量较大时，可根据前导量设计不同长度的

垫2和动力臂21，实现下颌分步前导。在功能矫治后期，当合垫调磨到较薄的厚度时，拆除

垫，换用金属动力臂，将金属动力臂插入附件管9里，继续矫治及保持，一段时间后拆除功能矫治器，继续固定正畸治疗，关闭剩余拔牙间隙，调整咬合。由于双期矫治同时进行，可以大大缩短治疗时间，并且实现后牙顺利建立咬合、前导和保持阶段的无缝衔接，使前导效果更为稳定。The specific use method of the utility model is as follows: firstly, occlusal reconstruction is performed, the mandibular leading amount and the occlusal record are determined, and a personalized appliance is produced, and then the maxillary appliance and the mandibular appliance are installed on the upper jaw and the lower jaw in the oral cavity, and then the upper jaw and the lower jaw are installed in the oral cavity.

The pad 2 is installed on the first metal joint crown 1, then the orthodontic bracket is installed, and finally the main arch wire is installed in the corresponding buccal tube and bracket. During the mouth closing movement, the mandibular blocking arm slides forward and upward along the maxillary power arm, and finally the two form a locking effect, forcing the mandible to be in the forward position, and realizing the correction of mandibular retraction. In the process of guiding the mandible forward, with adduction and depression of the anterior teeth, it can effectively avoid the problem that the upper and lower jaws remain out of alignment due to the lip tilt of the lower incisors, and the posterior teeth are not established after the functional correction is completed. The problem of occlusal contact can be well achieved to guide the mandible forward to a normal value of the ANB angle. In addition, if necessary, implant nails can be used to assist the depression of the posterior teeth to perform vertical control, so the utility model is also suitable for high-angle cases; in the process of depressing the anterior teeth, remove the

pad, step by step

Pad thickness to maintain normal coverage of front teeth

When the mandibular lead of the patient is large, different lengths of mandibular lead can be designed according to the lead.

The pad 2 and the power arm 21 realize the step-by-step advancement of the mandible. In the later stage of functional correction, when the pad is adjusted to a thinner thickness, it is removed.

Replace the metal power arm with the metal power arm, insert the metal power arm into the attachment tube 9, continue the treatment and maintenance, remove the functional appliance after a period of time, continue to fix the orthodontic treatment, close the remaining extraction gap, and adjust the occlusion. Since the two-stage orthodontic treatment is carried out at the same time, the treatment time can be greatly shortened, and the smooth establishment of the occlusion, the leading and the maintenance of the posterior teeth can be seamlessly connected, so that the leading effect is more stable.

Example 2

垫与下颌后牙咬合接触，进一步稳定下颌前导位置并保证患者正常进食。As shown in FIGS. 6 to 9 , this embodiment is basically the same as Embodiment 1, only the positions of the power arm 21 , the blocking arm 41 and the attachment tube 9 are changed, and the power arm 21 , the blocking arm 41 and the attachment tube 9 are arranged on the tongue side. Specifically, the power arm 21 is specifically arranged on the lingual side close to one end of the second premolar or the second deciduous molar, and the blocking arm 41 is installed on the lingual side of the second metal joint crown 4, and fits with the power arm 21, Specifically, during the occlusion process, the power arm 21 at the upper jaw cooperates with the blocking arm 41 at the lower jaw, and the lower jaw slides forward and upward along the inclined plane of the power arm 21 of the upper jaw, so as to guide the lower jaw forward,

The pads are in occlusal contact with the posterior mandibular teeth, further stabilizing the leading position of the mandible and ensuring that the patient eats normally.

The above are only the preferred embodiments of the present utility model, but the protection scope of the present utility model is not limited to this, and any modification and replacement based on the technical solutions and utility model ideas provided by the present utility model shall be covered by the present utility model. within the scope of protection of the utility model.

Claims (10)

1. A mandibular advancement guiding and orthodontic fixing combined correction device is characterized in that: comprises an upper jaw appliance and a lower jaw appliance;

the upper jaw appliance comprises a first metal combined crown arranged on the first molar on the left side and the right side of the upper jaw and the second premolar or the second deciduous molar, and a palate rod used for connecting the first metal combined crown on the left side and the right side, wherein the first metal combined crown

Mounted detachably on a surface

The pad is provided with a plurality of pads,

a power arm is arranged on the side surface of one end of the pad close to the second premolar or second deciduous molar;

the mandible appliance comprises a second metal combined crown arranged on the first molar and the second premolar or second deciduous molar on the left and right sides of the mandible and a lingual arch used for connecting the second metal combined crown on the left and right sides, wherein the second metal combined crown is arranged on one side of the second premolar or second deciduous molar of the mandible and is connected with the upper jaw

When the blocking arm is matched with the power arm, the lower jaw blocking arm slides forwards and upwards along the upper jaw power arm during the closing movement, then the power arm and the blocking arm form a clamping lock to force the lower jaw to be in a forwards extending position, and the correction of the lower jaw retraction is realized.

2. The mandibular advancement guiding and orthodontic fixed joint appliance of claim 1, wherein: the orthodontic tooth system is characterized by further comprising a first buccal tube arranged on the buccal side of a first metal coping of the upper jaw and positioned on a first molar and a second buccal tube arranged on the buccal side of a second metal coping of the lower jaw and positioned on the first molar, wherein an upper dentition main arch wire used for fixing the treatment is arranged in the first buccal tubes on the left side and the right side, a lower dentition main arch wire used for fixing the treatment is arranged in the second buccal tubes on the left side and the right side, and finally, a bracket is arranged on the tooth surface and is connected with the upper dentition main arch wire and the lower dentition main arch wire to realize the fixing and the correction.

3. The mandibular advancement guiding and orthodontic fixed joint appliance of claim 1, wherein: the above-mentioned

The pad and the power arm are integrally formed, the front side surface of the power arm is a smooth inclined surface, and the inclined surface is inclined from the front upper side to the rear lower side; the rear side face of the blocking arm is also a smooth inclined face, and the power arm is matched with the inclined face of the blocking arm.

4. The mandibular advancement guiding and orthodontic combination according to claim 1 or 3, wherein: the above-mentioned

A limiting hole is formed in the contact surface of the pad and the first metal combined crown, and a limiting column corresponding to the limiting hole is arranged on the first metal combined crown.

5. The mandibular advancement guiding and orthodontic fixed joint appliance of claim 4, wherein: the above-mentioned

Pad accessible is linked up the drag hook ligature of guan with first metal and is realized demountable installation on first metal links the guan or through bonding fixed mounting at the secondA metal connecting crown.

6. The mandibular advancement and fixation orthodontic combination according to claim 1, 3 or 5, wherein: the power arm and the blocking arm are both positioned on the buccal side or the lingual side.

7. The mandibular advancement guiding and orthodontic fixed joint appliance of claim 1, wherein: the first metal combined crown and the palate rod are integrally formed, the second metal combined crown and the tongue bow are integrally formed, and the first metal combined crown, the palate rod, the second metal combined crown and the tongue bow are all made of medical-grade metal materials.

8. The mandibular advancement guiding and orthodontic combination according to claim 1 or 7, wherein: the palate rod can be provided with a spiral bow expander.

9. The mandibular advancement guiding and orthodontic fixed joint appliance of claim 2, wherein: the first metal combined crown is positioned on the buccal side or the lingual side of the second premolar or the second deciduous molar and is provided with an accessory pipe, and the accessory pipe is used for installing a metal power arm.

10. The mandibular advancement guiding and orthodontic combination according to claim 2 or 9, wherein: the first metal combined crown is provided with a third buccal tube at the buccal side of the second premolar or second deciduous molar, the first buccal tube and the third buccal tube have different axial inclinations and are all close to the gum in the middle and far from the gum in the middle

The faces are inclined.

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