WO2012174777A1 - 一种带正轴功能的个性化正畸矫治器 - Google Patents

一种带正轴功能的个性化正畸矫治器 Download PDF

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Publication number
WO2012174777A1
WO2012174777A1 PCT/CN2011/078035 CN2011078035W WO2012174777A1 WO 2012174777 A1 WO2012174777 A1 WO 2012174777A1 CN 2011078035 W CN2011078035 W CN 2011078035W WO 2012174777 A1 WO2012174777 A1 WO 2012174777A1
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WIPO (PCT)
Prior art keywords
personalized orthodontic
bracket
personalized
orthodontic
positive axis
Prior art date
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Ceased
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PCT/CN2011/078035
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English (en)
French (fr)
Inventor
黄伟红
林久祥
朱胜吉
林凤燕
李祖安
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Guangzhou Riton Biomaterial Co Ltd
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Guangzhou Riton Biomaterial Co Ltd
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Application filed by Guangzhou Riton Biomaterial Co Ltd filed Critical Guangzhou Riton Biomaterial Co Ltd
Priority to EP11868393.7A priority Critical patent/EP2724685A4/en
Priority to JP2014516164A priority patent/JP2014516746A/ja
Priority to US13/985,721 priority patent/US20140113242A1/en
Publication of WO2012174777A1 publication Critical patent/WO2012174777A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/28—Securing arch wire to bracket
    • A61C7/282—Buccal tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/14—Brackets; Fixing brackets to teeth
    • A61C7/143—Brackets with two or more recesses for arch wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/14—Brackets; Fixing brackets to teeth
    • A61C7/145—Lingual brackets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/28—Securing arch wire to bracket
    • A61C7/30—Securing arch wire to bracket by resilient means; Dispensers therefor
    • A61C7/303—Elastic bands

Definitions

  • the invention relates to a personalized orthodontic appliance for orthodontics.
  • Personalized orthodontic appliances have been used by more and more patients, and they have a series of personalized orthodontic lingual brackets (referred to as lingual brackets) that are connected by archwires.
  • the groove is made according to the corresponding tooth type of the human oral cavity, and the different tooth numbers are correspondingly provided with different lingual brackets, and the structure of the lingual bracket includes the bottom plate which is attached to the teeth and the bracket which is integral with the bottom plate. Body.
  • the classification of these tooth numbers is numbered in the order of the middle incisors (incisors) and the second molars in the seventh tooth. Therefore, the lingual brackets also have numbers from 1 to 7.
  • the double-groove system or the positive-axis spring is generally used to achieve the positive-axis function; however, in the lingual correction, the bracket body is thin and inclined, and the protrusion of the premolar is generally higher than the canine. Therefore, there will be a bend between the premolar and the canine, making the double groove system and the positive shaft spring unusable. To date, personalized orthodontic appliances still do not have a positive axis function.
  • a personalized orthodontic appliance with a positive axis function comprising 1 to 7 personalized orthodontic lingual brackets connected by archwires, each personalized orthodontic lingual bracket includes a bottom plate and In the bracket body portion of the bottom plate, in the personalized orthodontic tongue side brackets of No. 1 to No. 7, at least two of the bracket sides of the personalized orthodontic tongue side bracket are provided with through holes. Traction hooks, the through holes being connected in series by a positive axis.
  • the towing hooks of the individual brackets of the 1st to 6th personalized orthodontic tongue brackets are provided, and the 7th personalized orthodontic tongue brackets are provided.
  • the bracket body of the 1st to 6th personalized orthodontic tongue brackets is provided with an upper wing and a groove located below the upper wing; the personalized orthodontic lingual side of the 7th A square tube passage is formed on the bracket body portion of the bracket.
  • the height of the two side walls of the groove of the No. 3 personalized orthodontic tongue side bracket is higher than the height of the arch wire.
  • the hole axes of the through holes are located in the same plane, and may be connected in a continuous arc shape.
  • the normal axis has a circular cross section, and the diameter of the through hole matches the diameter of the positive axis.
  • the bracket body portion of the No. 3 personalized orthodontic tongue side bracket has a width of 1 to 3 mm, and the width is less than the number 1 and 2 of the personalized orthodontic tongue side bracket.
  • the width of the trough body is a width of 1 to 3 mm, and the width is less than the number 1 and 2 of the personalized orthodontic tongue side bracket.
  • the length of the traction hook of the personalized orthodontic tongue side bracket of No. 1 to No. 6 is 1 to 3 mm.
  • the invention has the beneficial effects that the present invention provides a traction hook having a through hole on the lower side of the bracket body portion and penetrates the through hole with a positive axis wire, so that the crown can be moved during the correction process.
  • the underside of the bracket body also produces a corresponding corrective force, so that the root position is gradually moved, avoiding the inclination of the tooth in the process of moving in the far direction, and thus has a positive axis function.
  • the invention has simple and ingenious structure and good positive axis effect, and is suitable for dental extraction cases in dental personalized orthodontic treatment.
  • Fig. 1 is a view showing the state of use of the present invention after being attached to a tooth of a tooth extraction case, wherein from right to left, the first tooth position, the second tooth position, the third tooth position, the fifth tooth position, and the sixth tooth position. (The 4th and 7th teeth are not shown in the figure);
  • FIG. 2 is a schematic structural view of a personalized orthodontic tongue side bracket of No. 3 of the present invention.
  • FIG. 3 is a schematic structural view of a personalized orthodontic tongue side bracket of No. 1 and No. 2 of the present invention
  • FIG. 4 is a schematic structural view of a personalized orthodontic tongue side bracket of No. 7 of the present invention.
  • Figure 5 is a schematic view of a common ligation manner of archwire
  • Fig. 6 is a schematic view showing the manner in which the archwire is folded in a ligation manner.
  • a personalized orthodontic appliance with a positive axis function including 1 to 7 personalized orthodontic lingual brackets connected by archwire 5, each personalized orthodontic tongue
  • the side brackets each include a bottom plate 3 and a bracket body portion 2 coupled to the bottom plate 3.
  • the 1st to 7th personalized orthodontic tongue side brackets at least two individual orthodontic tongue-side bracket brackets are provided.
  • the lower side of the body 2 is provided with a traction hook 1 having a through hole 11 which is connected in series by a positive axis wire 4.
  • the bracket body 2 and the bottom plate 3 are integral, and the positive axis wire 4 is 0.012-0.018 inch nickel-titanium round wire or stainless steel round wire.
  • the positive-axis wire 4 can also adopt other cross-sections. Shape, but it is better to use a circle.
  • the towing hooks 1 are provided on the respective bracket body portions 2 of the personalized orthodontic tongue-side brackets of No. 1 to No. 6, and the No. 7 personalized orthodontic tongue-side brackets are provided.
  • a non-porous traction hook 17 is provided on the bracket body 2 of the groove.
  • the No. 7 tooth position may not use the positive axis wire 4, because the bracket of the No. 6 tooth position has a traction hook 1 in the near-middle direction, and a lower wing in the distal direction (the direction of the seventh tooth position). Will block the positive axis wire 4 and continue to extend to the 7th tooth position. Therefore, the bracket structure of the 7th tooth position can follow the traditional personalized lingual orthodontic bracket structure, and the non-porous traction hook 17 can be used.
  • the bracket body 2 of the personalized orthodontic tongue-side bracket 1 to 6 is provided with an upper wing 21 and a groove 22 located below the upper wing 21;
  • a square tube passage 23 is formed in the bracket body 2 of the tongue-and-groove bracket.
  • the archwire 5 is embedded in the groove 22 and finally passes through the square tube passage 23 and is ligated and fixed.
  • the height of both side walls of the groove 22 of the No. 3 personalized orthodontic tongue side bracket is higher than the height of the arch wire 5.
  • the height of the two side walls of the groove 22 referred to herein is higher than the height of the archwire 5, which means higher than the height of any of the archwires 5 replaced during the entire treatment process (usually the last replacement).
  • Arch wire 5 The height of the two side walls of the groove 22 of the personalized orthodontic lingual bracket needs to be higher than the height of the last archwire 5, so as to ensure that the groove 22 is left over the entire treatment process. There is space, any time the arch wire 5 can be embedded in the groove 22, so that the 3rd tooth is reversed.
  • the hole axes of the through holes 11 are located in the same plane and may be connected in a continuous arc shape. Such a positional arrangement is provided to facilitate the passage of the positive axis wire 4 through all of the through holes 11.
  • the normal axis wire 4 has a circular cross section, and the diameter of the through hole 11 matches the diameter of the positive axis wire 4.
  • the bracket body 2 of the personalized orthodontic tongue-side bracket No. 3 has a width of 1 to 3 mm, and the width is less than the number 1 and 2 of the personalized orthodontic tongue-side bracket.
  • the length of the traction hook 1 of the personalized orthodontic tongue-side brackets 1 to 6 is 1 to 3 mm.
  • the position of the groove 22 of each bracket and the position of the through hole 11 can be accurately positioned in the design software, and an integral three-dimensional CAD model is formed in the software with the three-dimensional CAD model of the bottom plate 3, and then manufactured by rapid prototyping technology.
  • the positive axis wire 4 can be bent according to data derived from the position of the through hole 11 of the towing hook 1 during the design process, and the bending can be performed by manual bending or mechanical bending.
  • the corresponding archwire 5 and the positive-axis wire 4 are placed in the groove 22 and the through-hole 11, and the orthodontic tongue-side bracket, that is, the position of the canine, is disposed on the No. 3, because the groove 22 has a small width.
  • the wall of the groove 22 is higher than the arch wire 5, and the common ligation method (refer to FIG. 5) can avoid the contact between the ligation wire and the arch wire 5, thereby generating the effect of self-locking sliding, facilitating rapid tilting movement of the tooth;
  • the placed positive axis wire 4 is capable of effectively positioning the positive axis of the tooth by the torque provided by two adjacent teeth.
  • the archwire 5 of the canine can be fully sized with the groove 22 by means of a double-folding (refer to FIG. 6) to achieve a precise adjustment effect.
  • the invention adopts CAD software for design, and the position of the through hole 11 in the groove 22 and the traction hook 1 can be precisely controlled by software in the design process, and the designed personalized orthodontic tongue side bracket is manufactured by rapid prototyping technology. Not only fast but also very precise.
  • the position of the groove 22 and the through hole 11 can be derived from the software to accurately bend the archwire 5 and the positive axis wire 4.
  • the appliance thus obtained not only accurately matches the groove 22 but also the positive axis wire 4 can be accurately engaged with the through hole 11, thereby achieving an accurate correction and a positive axis effect.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

一种带正轴功能的个性化正畸矫治器，包括由弓丝（5）串接起来的1〜7号个性化正畸舌侧托槽，每个个性化正畸舌侧托槽均包括底板（3）和与底板（3）联接的托槽体部（2），所述1〜7号个性化正畸舌侧托槽中，至少有两个个性化正畸舌侧托槽的托槽体部（2）的下侧设有具有通孔（11）的牵引钩（1），所述通孔（11）通过正轴丝（4）串接。通过在托槽体部（2）的下侧设置具有通孔（11）的牵引钩（1），并用正轴丝（4）穿入所述通孔（11），这样便能在矫治过程中，在牙冠移动的同时，托槽体部（2）的下侧亦产生了相应的矫治力，让牙根位置亦逐渐移正，避免了牙向远中移动的过程中倾斜，因此具有了正轴功能。带正轴功能的个性化正畸矫治器结构简单，正轴效果好，适用于牙科的个性化正畸矫治中的拔牙病例。

Description

一种带正轴功能的个性化正畸矫治器
技术领域
本发明涉及一种牙齿正畸用的个性化正畸矫治器。
背景技术
个性化正畸矫治器，已经被越来越多的患者所使用了，其具有一系列的通过弓丝串接的个性化正畸舌侧托槽（简称舌侧托槽），各个舌侧托槽是根据人体口腔的各号牙型对应制作出来的，不同牙号对应配有不同的舌侧托槽，舌侧托槽的结构包括与牙齿贴合的底板和与底板为一整体的托槽体部。这些牙号的分类，是按照中切牙（门牙）为1号牙、第二磨牙为7号牙的顺序编号的，因此，舌侧托槽也对应有1～７的编号。
在牙齿正畸矫治领域中，存在一种拔牙病例，即指一排牙齿中有一枚牙齿被移除后，其余牙需要重新调整位置、合拢牙间间隙。不管是在唇侧矫治还是舌侧矫治，都存在遇到拔牙病例时，尖牙（3号牙）在向远中移动的过程中容易发生倾斜的问题。而矫治的方案，是要在3号牙牙冠受到矫治力的作用，发生倾斜移动的时候，其牙床根部亦随之对应整体移动，从而与邻牙相接触，把由于拔牙产生的间隙关闭。这种矫治方案，称为正轴。如果是唇侧矫治，就一般采用双沟槽系统或者正轴簧实现正轴功能；但在舌侧矫治时，由于托槽体部薄而倾斜，且一般前磨牙的隆凸要高于尖牙，所以在前磨牙和尖牙之间会有一道弯折，致使双槽沟系统和正轴簧都无法使用。至今，个性化正畸矫治器依然不具有正轴功能。
发明内容
本发明的目的，是为了提供一种带正轴功能的个性化正畸矫治器。
本发明解决其技术问题的解决方案是：
一种带正轴功能的个性化正畸矫治器，包括由弓丝串接起来的1～7号个性化正畸舌侧托槽，每个个性化正畸舌侧托槽均包括底板和与底板联接的托槽体部，所述1～7号个性化正畸舌侧托槽中，至少有两个个性化正畸舌侧托槽的托槽体部的下侧设有具有通孔的牵引钩，所述通孔通过正轴丝串接。
作为上述技术方案的进一步改进，所述1～6号个性化正畸舌侧托槽的各个托槽体部上均设有所述的牵引钩，所述7号个性化正畸舌侧托槽的托槽体部上设有无孔牵引钩。
作为上述技术方案的进一步改进，所述1～6号个性化正畸舌侧托槽的托槽体部上均设有上翼和位于上翼下方的槽沟；7号个性化正畸舌侧托槽的托槽体部上设有方管通道。
作为上述技术方案的进一步改进，所述3号个性化正畸舌侧托槽的槽沟的两侧壁高度高于弓丝的高度。
作为上述技术方案的进一步改进，所述通孔的孔轴线位于同一平面，且可连成一个连续的弧形。
作为上述技术方案的进一步改进，所述正轴丝的截面为圆形，所述通孔的直径与正轴丝的直径相配合。
作为上述技术方案的进一步改进，所述3号个性化正畸舌侧托槽的托槽体部的宽度为1～3mm，且该宽度小于1、2号个性化正畸舌侧托槽的托槽体部的宽度。
作为上述技术方案的进一步改进，所述1～6号个性化正畸舌侧托槽的牵引钩的长度为1～3mm。
本发明的有益效果是：本发明通过在托槽体部的下侧设置具有通孔的牵引钩，并用正轴丝穿入所述通孔，这样便能在矫治过程中，在牙冠移动的同时，托槽体部的下侧亦产生了相应的矫治力，让牙根位置亦逐渐移正，避免了牙向远中移动的过程中倾斜，因此具有了正轴功能。本发明结构简单巧妙，正轴效果好，适用于牙科的个性化正畸矫治中的拔牙病例。
附图说明
下面结合附图及实施例对本发明作进一步的说明。
图1是本发明加装到拔牙病例的牙齿上后的使用状态图，其中从右至左依次是1号牙位、2号牙位、3号牙位、5号牙位和6号牙位（4、7号牙位未在图中显示）；
图2是本发明的3号个性化正畸舌侧托槽的结构示意图；
图3是本发明的1、2号个性化正畸舌侧托槽的结构示意图；
图4是本发明的7号个性化正畸舌侧托槽的结构示意图；
图5是弓丝普通结扎方式的示意图；
图6是弓丝对折结扎方式的示意图。
具体实施方式
参照图1～图4，一种带正轴功能的个性化正畸矫治器，包括由弓丝5串接起来的1～7号个性化正畸舌侧托槽，每个个性化正畸舌侧托槽均包括底板3和与底板3联接的托槽体部2，所述1～7号个性化正畸舌侧托槽中，至少有两个个性化正畸舌侧托槽的托槽体部2的下侧设有具有通孔11的牵引钩1，所述通孔11通过正轴丝4串接。具体地，所述托槽体部2与底板3是为一整体的，所述正轴丝4为0.012～0.018英寸的镍钛圆丝或者不锈钢圆丝，当然正轴丝4亦可采用其他截面形状，但采用圆形较好。
进一步作为优选的实施方式，所述1～6号个性化正畸舌侧托槽的各个托槽体部2上均设有所述的牵引钩1，所述7号个性化正畸舌侧托槽的托槽体部2上设有无孔牵引钩17。需要注意的是，7号牙位可以不使用正轴丝4，因为6号牙位的托槽在近中方向有一个牵引钩1，远中方向（7号牙位方向）有一个下翼，会挡住正轴丝4继续向7号牙位延伸。所以7号牙位的托槽结构可沿用传统的个性化舌侧正畸托槽结构，采用无孔牵引钩17即可。
进一步作为优选的实施方式，所述1～6号个性化正畸舌侧托槽的托槽体部2上均设有上翼21和位于上翼21下方的槽沟22；7号个性化正畸舌侧托槽的托槽体部2上设有方管通道23。弓丝5嵌入槽沟22内，最后从方管通道23穿出并结扎固定。
进一步作为优选的实施方式，所述3号个性化正畸舌侧托槽的槽沟22的两侧壁高度高于弓丝5的高度。
注意，这里所指的槽沟22的两侧壁高度高于弓丝5的高度，是指高于在整个矫治疗程中所替换掉的任一次弓丝5的高度（通常是最后一次所替换的弓丝5）。在正畸矫治过程中，会随着治疗的进展，适时更换不同粗细的弓丝5，并且该弓丝5的高度通常是逐渐增加的，在最后一根替换进去的弓丝5的高度是最高的，3号个性化正畸舌侧托槽的槽沟22的两侧壁高度需要高于这最后一根的弓丝5的高度，这样就能保证在整个矫治疗程中，槽沟22上方留有空间，任何一次的弓丝5均能嵌入槽沟22内，让3号牙倒正。
进一步作为优选的实施方式，所述通孔11的孔轴线位于同一平面，且可连成一个连续的弧形。这样的位置设置，是为了方便正轴丝4贯穿所有的通孔11。
进一步作为优选的实施方式，所述正轴丝4的截面为圆形，所述通孔11的直径与正轴丝4的直径相配合。
进一步作为优选的实施方式，所述3号个性化正畸舌侧托槽的托槽体部2的宽度为1～3mm，且该宽度小于1、2号个性化正畸舌侧托槽的托槽体部2的宽度。
进一步作为优选的实施方式，所述1～6号个性化正畸舌侧托槽的牵引钩1的长度为1～3mm。
具体地，各个托槽的槽沟22的位置以及通孔11的位置可以在设计软件中进行精确定位，并在软件中与底板3三维CAD模型组成一个整体三维CAD模型，再通过快速成型技术制造出实体的舌侧托槽。正轴丝4可根据在设计过程中牵引钩1的通孔11的位置在软件中导出的数据进行弯制，弯制的方式可以是人工弯制也可以使机械弯制。
在矫治的前期，槽沟22及通孔11中均放置对应的弓丝5和正轴丝4，在3号个性化正畸舌侧托槽，即尖牙的位置，因为槽沟22宽度小，而且槽沟22壁高于弓丝5，采用普通的结扎方式（参照图5），可避免结扎丝与弓丝5接触，从而产生自锁滑动的效果，便于牙齿快速倾斜移动；牵引钩1中放置的正轴丝4通过两个相邻牙位提供的转矩，能够有效的将牙齿正轴。在正轴以后可采用对折结扎的方式（参照图6）使尖牙的弓丝5与槽沟22全尺寸配合以达到精确调整的效果。
另外，本发明采用CAD软件进行设计，在设计过程中可通过软件精确地控制槽沟22以及牵引钩1中通孔11的位置，设计完成的个性化正畸舌侧托槽采用快速成型技术制造，不但快速，而且十分精确。同时槽沟22和通孔11的位置可以从软件中导出相应的数据，从而精确弯制弓丝5和正轴丝4。这样得到的矫治器不但弓丝5能够精确的匹配槽沟22，正轴丝4也能够精确地与通孔11配合，从而达到精确矫治、正轴的效果。
以上是对本发明的较佳实施方式进行了具体说明，但本发明创造并不限于所述实施例，熟悉本领域的技术人员在不违背本发明精神的前提下还可作出种种的等同变形或替换，这些等同的变型或替换均包含在本申请权利要求所限定的范围内。

Claims (8)

  1. 一种带正轴功能的个性化正畸矫治器，包括由弓丝（5）串接起来的1～7号个性化正畸舌侧托槽，每个个性化正畸舌侧托槽均包括底板（3）和与底板（3）联接的托槽体部（2），其特征在于：所述1～7号个性化正畸舌侧托槽中，至少有两个个性化正畸舌侧托槽的托槽体部（2）的下侧设有具有通孔（11）的牵引钩（1），所述通孔（11）通过正轴丝（4）串接。
  2. 根据权利要求1所述的带正轴功能的个性化正畸矫治器，其特征在于：所述1～6号个性化正畸舌侧托槽的各个托槽体部（2）上均设有所述的牵引钩（1），所述7号个性化正畸舌侧托槽的托槽体部（2）上设有无孔牵引钩（17）。
  3. 根据权利要求2所述的带正轴功能的个性化正畸矫治器，其特征在于：所述1～6号个性化正畸舌侧托槽的托槽体部（2）上均设有上翼（21）和位于上翼（21）下方的槽沟（22）；7号个性化正畸舌侧托槽的托槽体部（2）上设有方管通道（23）。
  4. 根据权利要求3所述的带正轴功能的个性化正畸矫治器，其特征在于：所述3号个性化正畸舌侧托槽的槽沟（22）的两侧壁高度高于弓丝（5）的高度。
  5. 根据权利要求1～4任一项所述的带正轴功能的个性化正畸矫治器，其特征在于：所述通孔（11）的孔轴线位于同一平面，且可连成一个连续的弧形。
  6. 根据权利要求5所述的带正轴功能的个性化正畸矫治器，其特征在于：所述正轴丝（4）的截面为圆形，所述通孔（11）的直径与正轴丝（4）的直径相配合。
  7. 根据权利要求6所述的带正轴功能的个性化正畸矫治器，其特征在于：所述3号个性化正畸舌侧托槽的托槽体部（2）的宽度为1～3mm，且该宽度小于1、2号个性化正畸舌侧托槽的托槽体部（2）的宽度。
  8. 根据权利要求6所述的带正轴功能的个性化正畸矫治器，其特征在于：所述1～6号个性化正畸舌侧托槽的牵引钩（1）的长度为1～3mm。
PCT/CN2011/078035 2011-06-23 2011-08-04 一种带正轴功能的个性化正畸矫治器 Ceased WO2012174777A1 (zh)

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