WO2009067849A1 - Dispositif orthodontique - Google Patents

Dispositif orthodontique Download PDF

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Publication number
WO2009067849A1
WO2009067849A1 PCT/CN2008/000469 CN2008000469W WO2009067849A1 WO 2009067849 A1 WO2009067849 A1 WO 2009067849A1 CN 2008000469 W CN2008000469 W CN 2008000469W WO 2009067849 A1 WO2009067849 A1 WO 2009067849A1
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WO
WIPO (PCT)
Prior art keywords
side wall
bracket
groove
archwire
far
Prior art date
Application number
PCT/CN2008/000469
Other languages
English (en)
Chinese (zh)
Inventor
Zhichun Song
Original Assignee
Zhichun Song
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CNA2008100021642A external-priority patent/CN101342094A/zh
Application filed by Zhichun Song filed Critical Zhichun Song
Publication of WO2009067849A1 publication Critical patent/WO2009067849A1/fr

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Classifications

    • 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
    • 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
    • A61C7/20—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
    • A61C7/28—Securing arch wire to bracket

Definitions

  • the present invention relates to a device for orthodontic toothing, and more particularly to a dental orthodontic device in which a bracket and an archwire are combined.
  • the appliance can move the tooth in one of two ways, or it can be combined in two ways to move the tooth.
  • Patent No. 4,877,398, issued October 31, 1989 which discloses a dental appliance that can use light force to cause the teeth to move in a near-middle direction, without the need for extraoral force anchorage and implant anchorage.
  • the anterior teeth can be opened quickly and effectively, but it is more troublesome to use the additional archwire when the teeth are controlled to the root and the buccal tongue to the root.
  • the technical problem to be solved by the present invention is to design a dental appliance that can use a light force to move the teeth in the near and far direction, without the use of extraoral force anchorage and implant anchorage to strengthen the anchorage, and does not need to use additional archwire or With the attachment, the teeth can be aligned and rooted.
  • an aspect of the present invention includes: a bracket, an archwire, and a ligation device, wherein the bracket is composed of a bracket body and a base, and the bracket body is provided with a through-distance through
  • the archwire slot has an occlusal side wall and a lateral side wall, and the base is connected to the lip surface or the tongue surface of the tooth, and the occlusal side wall and/or the side wall of the archwire slot have an opening
  • the subgrooves of the archwire slot have one or more, starting from the proximal side and/or the far side of the occlusal side wall and/or the sacral side wall, respectively.
  • bracket side wall sub-grooves of this design may be provided on the ordinary lip side brackets, or on the lingual brackets, or on the self-locking brackets.
  • the length of the side wall sub-groove of the bracket adopting this design may penetrate the side wall in the near and far direction, extend to the far middle or the near side of the other side of the side wall, or may exist intermittently, stopping at the side wall. Inside.
  • the depth of the side wall sub-groove of the bracket adopting this design may penetrate the side wall in the direction of the occlusion, or may terminate in the side wall.
  • the bracket side wall auxiliary groove adopting this design may be disposed on the continuous occlusal side wall and/or the side wall of the occlusal side, or may be disposed on the side wall and/or the side of the discontinuous occlusal side. On the wall, this can be done on conventional brackets. To adopt the design of the auxiliary groove.
  • the auxiliary groove may start from the occlusal side wall and/or the side wall.
  • the width of the buccal and lingual direction of the side wall sub-groove of the bracket using this design may be at least in a portion of the section smaller than the width of the buccal tongue of the square arch wire used in the appliance. In this way, the square arch wire cannot enter the auxiliary groove of the bracket, and can produce the effect of the near-distal middle direction and the buccal tongue to the root.
  • proximal and/or distal edges of the sidewalls of the archwire slots of the brackets of this design may be at an acute angle to the bottom wall.
  • the archwire slot wall of the bracket of this design can extend the archwire slot in the near center and/or the far direction.
  • the bracket side wall auxiliary groove adopting this design can be deepest and widest at the near center and the far side of the side wall of the archwire groove, and gradually becomes shallower in the process of extending into the archwire slot in the near and far direction. Narrowed.
  • the bracket sidewall spacer groove adopting this design may have a triangular shape, a circular arc shape or a trapezoidal shape in a direction perpendicular to the near and far direction, and the cross-sectional area is near the side wall of the archwire slot. And the farthest edge is the largest, and the cross-sectional area gradually becomes smaller during the process of extending into the archwire slot in the near-distal direction.
  • the side wall sub-groove of the bracket with this design can be deepest and widest at the mid-range and far-side sides of the side wall of the archwire slot, gradually extending in the near-distance direction toward the archwire slot.
  • the cross section in the direction perpendicular to the near and far is triangular, consisting of two guiding bevels that form an acute angle with the side walls, and the two inclined surfaces intersect on a straight line that runs in the far and far direction.
  • the straight line is called the center line of the sub-groove, which is a design optimization of the side sub-groove form.
  • the bracket adopting the design scheme can design a groove around the bracket body around the bracket body, and the groove can exist continuously or intermittently around the bracket body, and can be intermittently present at the four corners of the bracket.
  • the route of the groove is a smooth curve or straight line, which is conducive to the "8" word ligation of the ligation wire.
  • bracket side wall grooves of this design can be as follows:
  • the auxiliary groove is opened at the near side and the far side of the side wall of the archwire slot and the side wall of the occlusal side, which is a design optimization scheme for the position and number of the auxiliary groove;
  • the auxiliary groove is opened at the near side and/or the far side of the side wall of the archwire molar joint;
  • the auxiliary groove is opened at the near side and/or the far side of the side wall of the archwire slot;
  • the auxiliary groove is opened at the side wall of the archwire slot and/or the near side of the side wall of the occlusal side; 5.
  • the auxiliary groove is opened at the distal side of the archwire side wall and/or the occlusal side wall;
  • the auxiliary groove is opened at a far side of the side wall of the archwire molar and/or a near side of the side wall of the square;
  • the auxiliary groove is opened at a near side of the side wall of the archwire molar and/or a far side of the side wall of the square;
  • the side wall sub-grooves are only used on the brackets of some teeth (such as fangs and/or double cusps). During the treatment, the round arch wire in the archwire slot of the bracket gradually enters the side wall groove of the archwire slot, and the teeth move obliquely.
  • the anchorage required to move the teeth is small, and if the molars are used conventionally The upper tube, the molars move as a whole, and the resulting anchorage is large, so that strong anchorage can be achieved without the use of the extraoral arch and the implant anchorage; the other case is that if the square arch wire is used, it cannot Entering the side wall sub-groove of the bracket archwire groove, the teeth produce root movement, which can make the inclined teeth vertical.
  • the position and shape of the side wall groove in the archwire groove, the shape of the archwire groove, the ligation method and the shape and thickness of the arch wire can affect whether the arch wire can enter the auxiliary groove of the archwire groove.
  • the width and depth of the side wall groove and the shape and thickness of the archwire can also control the depth of the archwire into the side wall groove, control the angle between the archwire and the centerline of the archwire groove, thereby controlling the teeth.
  • a second aspect of the present invention is: It comprises a buccal tube, a bracket, an archwire and a ligation device, the buccal tube is composed of a body and a base, and the base is connected to the lip or buccal surface of the tooth, the base It can also be connected to the teeth through the belt loop on the teeth, and at least one archwire slot penetrating through the body is provided in the body, the archwire slot has the occlusal side wall and the side wall of the ankle, and the buccal tube archwire slot
  • the side wall of the occlusal and/or the side wall of the ankle has a sub-groove extending in the archwire slot, one or more, starting from the proximal side of the occlusal side wall and/or the lateral side wall / or far in the middle.
  • the buccal tube auxiliary groove adopting the design scheme may be disposed on the common buccal buccal tube, or on the lingual buccal tube, or on the self-locking buccal tube, and the buccal tube may be Stick to the molars.
  • the length of the buccal tube sub-groove of this design can extend through the side wall in the near and far direction, to the far middle or near side of the other side of the side wall, or intermittently, and terminate in the side wall.
  • the depth of the buccal tube sub-groove of this design can be penetrated through the side wall in the direction of the occlusion, or can be stopped in the side wall.
  • Two pairs of ligating wings can be designed on the outer side of the side wall of the archwire slot of the buccal tube of this design, so that after the top cover of the archwire slot is removed, the archwire of the archwire slot passing through the buccal tube can be ligated ligation.
  • the subgroove of the buccal tube with this design may have a cheek-to-shoulder width which is at least in a portion smaller than the buccal-tooth width of the square archwire used in the appliance. In this way, the square arch wire cannot enter the auxiliary groove of the bracket. It can produce the effect of the near-distal and the buccal tongue.
  • the buccal tube auxiliary groove adopting this design can adopt the buccal tube auxiliary groove of the design scheme in the direction perpendicular to the near and far direction at the near side and the far side of the side wall of the archwire groove.
  • the cross section of the buccal tube sub-groove may be the largest at the near center and the far side of the side wall of the archwire slot, and the archwire in the near and far direction
  • the cross-sectional area is gradually reduced by 'in the process of extending in the groove.
  • the auxiliary groove of the buccal tube can be triangular in the shape of the cross section in the near-middle and the far-side direction of the side wall of the archwire groove, and the two sides are formed by the side wall.
  • the oblique angle of the acute angle is composed, and the two inclined surfaces intersect on a straight line running in the near and far direction. This line is called the center line of the auxiliary groove, which is a design optimization scheme of the shape of the auxiliary groove.
  • the position and number of buccal tube sub-grooves using this design can be as follows:
  • the auxiliary groove is opened at the near side and the far side of the side wall of the archwire slot and the side wall of the occlusal side, which is a design optimization scheme for the position and number of the auxiliary groove;
  • the auxiliary groove is opened at the near side and/or the far side of the side wall of the archwire molar joint;
  • the auxiliary groove is opened at the near side and/or the far side of the side wall of the archwire slot;
  • the auxiliary groove is opened on the side wall of the archwire slot and/or the near side of the side wall of the occlusal side;
  • the auxiliary groove is opened at the distal side of the archwire side wall and/or the occlusal side wall;
  • the auxiliary groove is opened at a far side of the side wall of the archwire molar and/or a near side of the side wall of the square;
  • the auxiliary groove is opened at a near side of the side wall of the archwire molar and/or a far side of the side wall of the square;
  • the sub-groove is used only on the buccal tube of a part of the tooth (such as the first molar or the second molar).
  • the round arch wire gradually enters the auxiliary groove of the buccal tube archwire groove, and the molars produce oblique movement, and the anchorage required for moving the molars is small; if the square arch wire is used, it does not enter the inclined molars.
  • the auxiliary groove of the arch groove of the buccal tube, the teeth are controlled to move, and the inclined molars can be vertical.
  • the position and shape of the auxiliary groove in the archwire groove, the shape of the archwire groove and the shape and thickness of the dental arch wire can affect whether the dental arch wire can enter the auxiliary groove of the archwire groove;
  • the width and depth of the secondary groove and the shape and thickness of the archwire can also control the maximum inclination of the teeth.
  • the third aspect of the present invention comprises: a bracket, an archwire and a ligation device, wherein the bracket is composed of a bracket body and a base, and the bracket body is provided with an archwire slot penetrating in the near and far, the bow
  • the wire groove package has a side wall, a side wall and a bottom wall, and the base is connected with the lip surface or the tongue surface of the tooth, and the bottom wall of the arch wire groove has a sub groove formed in the arch wire groove, and the auxiliary groove groove
  • the near-distal direction runs through the bottom wall and communicates with the archwire slot throughout the stroke in the near-far direction.
  • the occlusal width of the bottom wall auxiliary groove of the bracket adopting the design scheme may be smaller than the occlusal width of the square arch wire used in the appliance, so that the square arch wire does not enter the auxiliary groove of the bracket. ditch.
  • the width of the occlusal direction of the bottom wall of the bracket of the design can be greater than or equal to the diameter of the thinner round arch wire used in the appliance, so the thin round arch wire can enter the bracket Sub groove.
  • the cross-sectional shape of the bottom wall sub-groove of the bracket adopting this design may be triangular, trapezoidal, curved or square in a direction perpendicular to the near-far direction, and the cross-sections are uniform in shape and area.
  • the cross-sectional shape of the bottom wall sub-groove of the bracket adopting this design may be triangular in a shape perpendicular to the near-distal direction, and the cross-sections are uniform in shape and area, and are composed of two and bottom walls.
  • the guide bevel is formed by an acute angle, and the two inclined surfaces intersect on a straight line in the near-distal direction. This line is called the center line of the sub-groove.
  • the center line of the sub-groove and the center line of the archwire slot are Parallel, the round arch wire is guided to the center line of the auxiliary groove under the guidance of the inclined surface of the auxiliary groove, and the clearance between the round arch wire and the bottom groove of the bottom wall of the arch wire groove is small, so the alignment effect is good.
  • the bottom wall of the archwire slot of the bracket of this design can extend the archwire slot in the near center and/or the far direction, so that after the ligature wire is tightened, the pressure of the ligature wire on the lower archwire is directly Conducted to the bottom wall of the archwire under the archwire without deforming the archwire due to over-tightening, thereby reducing the friction between the archwire and the archwire slot.
  • the archwire is in the archwire
  • the slot is easy to move, which helps to align the teeth.
  • the bottom wall of the archwire slot of the bracket of this design may have at least one occlusion tube that extends toward the bracket.
  • the thin round arch wire in the archwire slot of the bracket can enter the auxiliary groove on the bottom wall of the archwire slot when the ligation wire is tightly ligated, and the round arch wire and the bottom wall of the archwire groove
  • the clearance between the sub-grooves is small, so the alignment effect is good.
  • the buccal tube is adhered to the buccal surface of the molar, and the bracket is adhered to the bicuspid and anterior labial surfaces.
  • a secondary groove is designed, and four auxiliary grooves are respectively opened in each of the bows.
  • the side wall and the far side of the side wall of the wire groove and the side wall of the occlusal side, the sub-groove is the deepest and widest at the near center and the far side of the side wall of the archwire groove, and the arching is in the near and far direction.
  • the process of extending in the groove gradually becomes shallower and narrower, and the auxiliary groove is composed of two guiding inclined faces which are acutely angled with the side walls, and the two inclined faces intersect on a center line which is far and far in the middle direction;
  • the bottom wall has a sub-groove opening in the archwire slot, and the cross-section of the sub-groove of the bottom wall in a direction perpendicular to the near-distal is triangular, and the two are at an acute angle to the bottom wall.
  • ⁇ I consists of a beveled surface, the width of the sub-groove of the bottom wall is smaller than the width of the square arch of the straightening of the appliance, greater than or equal to the thin round arch of the appliance.
  • Diameter such that when the teeth are aligned, the ligation wire pushes the thin round arch wire to the auxiliary groove of the bottom wall of the archwire groove, and the arch wire cannot enter the side wall of the archwire groove
  • the groove which serves to align the teeth; when tilting the tooth, the thick round arch wire and the loose ligature are used, and the arch wire can enter the auxiliary groove of the side wall of the bow groove of the buccal tube and the bracket
  • the teeth of the entire dentition excluding the third molar
  • the width of the cheek tongue of the square arch wire is larger than the width
  • the secondary groove, the teeth produce root movement; Movement (aligning the teeth, tilting the teeth, and controlling the roots to move the teeth) can be combined with light force to accurately move the teeth of the entire dentition to the correct position without the use of extraoral force anchorage and implant anchorage to strengthen The anchors, and without the need for additional archwires or attachments, can align and control the teeth.
  • FIG. 1 is a front view showing a bracket structure according to Embodiment 1 of the present invention.
  • FIG. 2 is a left side view of the bracket structure according to Embodiment 1 of the present invention.
  • FIG. 3 is a top plan view of a bracket structure according to Embodiment 1 of the present invention.
  • Figure 4 is a cross-sectional view showing the bracket structure of the first embodiment of the present invention taken along line A-A;
  • Figure 5 is a perspective view showing the structure of the bracket of the first embodiment of the present invention.
  • Figure 6 is a front elevational view showing the structure of a buccal tube according to Embodiment 1 of the present invention.
  • Figure 7 is a left side view showing the buccal tube structure of Embodiment 1 of the present invention.
  • Figure 8 is a plan view showing the structure of a buccal tube according to Embodiment 1 of the present invention.
  • Figure 9 is a cross-sectional view showing the structure of a buccal tube according to a first embodiment of the present invention taken along line A-A;
  • Figure 10 is a perspective view showing the structure of a buccal tube according to Embodiment 1 of the present invention;
  • Figure 11 is a front elevational view showing a bracket and a buccal tube according to a first embodiment of the present invention
  • Figure 12 is a right side view of the bracket and the top tube in the first embodiment of the present invention
  • Figure 13 is a partial enlarged view of the bracket and the buccal tube of Figure 11 in the form of a thick round arch wire;
  • Figure 14 is a front elevational view showing the bracket and the buccal tube of the embodiment 1 of the present invention using a thin round arch wire;
  • Figure 15 is a front view of the bracket and the buccal tube of the embodiment 1 in the right side of the thin round arch wire
  • Figure 16 is a partial enlarged view of the bracket and the face-like tube of Figure 14 in the use of a thin round arch wire;
  • Figure 17 is a front elevational view showing a bracket and a buccal tube according to a first embodiment of the present invention
  • Figure 18 is a right side view showing a bracket and a buccal tube according to a first embodiment of the present invention
  • Figure 20 is a front elevational view showing the bracket structure of Embodiment 2 of the present invention.
  • Figure 21 is a left side view of the bracket structure of Embodiment 2 of the present invention.
  • Figure 22 is a plan view showing a bracket structure according to Embodiment 2 of the present invention.
  • Figure 23 is a cross-sectional view showing the bracket structure of the embodiment 2 of the present invention, taken along line A-A;
  • Figure 24 is a front elevational view showing the bracket structure of Embodiment 3 of the present invention.
  • Figure 25 is a left side view of the bracket structure of Embodiment 3 of the present invention.
  • Figure 26 is a plan view showing a bracket structure according to Embodiment 3 of the present invention.
  • Figure 27 is a front elevational cross-sectional view along line A-A of the bracket structure of the third embodiment of the present invention.
  • bracket body 1, bracket body; 2, bracket base; 3, bracket archwire slot; 4, bracket archwire slot side wall; 5, bracket archwire slot side wall; , the bottom wall of the bracket arch wire groove; 7.
  • bracket bottom wall Ditch 11, bracket ligature wing; 12, bracket side of the side wall of the archwire slot; 1 3, the far side of the sidewall of the bracket archwire slot; 14, buccal body; 15, buccal tube base; , buccal tube archwire slot; 17, buccal tube archwire slot top cover; 18, buccal tube archwire slotted square side wall; 19, buccal tube archwire slot side wall; 20, buccal surface Tube arch slot bottom wall; 21, buccal tube sub-groove; 11, buccal tube sub-groove slope; 23, buccal tube sub-groove center line; 24, buccal tube traction hook; 25, buccal surface
  • the side wall of the tube arch slot is near the middle side; 26, the far side of the sidewall of the buccal tube archwire slot; 27, the ligature wire; 28, the thick round arch wire; 29, the thin round arch wire; 30, the square arch wire.
  • This embodiment includes a frequency tube, a bracket, an archwire and a ligation device.
  • the bracket is composed of a bracket body 1 and a base 2, and the base 2 is connected to the lip surface of the tooth, and the bracket body 1 is provided with an archwire slot 3 which penetrates in the near and far, and an archwire slot 3 is composed of the occlusal side wall 4, the side wall 5 and the bottom wall 6.
  • the occlusal side wall 4 and the side wall 5 of the archwire slot 3 have a sub-groove 7 extending in the archwire slot 3
  • the auxiliary groove 7 is in the near and far direction, and four auxiliary grooves 7 start from the near side 12 and the far side 13 of the occlusal side wall 4 and the side wall 5, respectively, and the auxiliary groove of the bracket
  • the width of the buccal tongue of the groove 7 is smaller than the width of the buccal tongue of the square arch wire 30 used in the appliance, and the sub groove 7 is the deepest and widest at the near and far sides of the side wall of the archwire groove, at a near distance
  • the middle direction gradually becomes shallower and narrower in the process of extending into the archwire slot 3.
  • the cross section of the auxiliary groove 7 in the direction perpendicular to the near and far direction is triangular, and is formed by two sides.
  • the guiding bevel 8 of the 45° angle is formed, and the two inclined faces 8 intersect on a straight line running in the far and far direction.
  • This line is called the center line 9 of the auxiliary groove 7 and the near side of the side wall of the arched groove of the bracket 12 and the far side 1 3 and the bottom wall 6 at 60 °
  • the bottom wall 6 of the archwire slot has a sub-groove 10 open to the archwire slot 3, and the bottom wall sub-groove 10 penetrates the bottom wall 6 in the near-distal direction, and the entire stroke in the near-distal direction
  • the middle is connected to the archwire slot 3, and the cross-section of the bottom wall sub-groove 10 of the bracket is perpendicular to the near-distal direction, and the sub-groove 10 is at an angle of 45° to the bottom wall 6.
  • the guiding inclined surface is composed, the two inclined surfaces intersect on a straight line which is in the near and far direction, the bracketing device of the bracket adopts the method of ligating the wing, and the outer side of the side wall of the archwire slot has two pairs of ligating wings 11 respectively located at the archwire The near center and the far side outside the side wall of the groove protrude outward.
  • the buccal tube is composed of a body portion 14 and a base portion 15, the base 15 is connected to the buccal surface of the tooth, and the body portion 14 is provided with a proximal and distal passage.
  • the archwire slot 16 is composed of the occlusal side wall 18, the crotch side wall 19, the bottom wall 20 and the top cover 17, and has a buccal tube traction on the crotch side wall 19 of the archwire slot 16.
  • the hook 24 has a shank side wall 18 and a side wall 19 of the archwire slot 16 having a sub-groove 21 opening in the archwire slot 16.
  • the sub-groove 21 is oriented in the near and far direction, and has four sub-grooves.
  • the buccal tube sub-groove 21 starts at the proximal side 25 and the distal side 26 of the occlusal side wall 18 and the crotch side wall 19, respectively, and the buccal and tangential width of the subgroove 21 of the buccal tube is smaller than that of the square arch used in the appliance.
  • the cheek-to-mouth width of 30, the buccal tube sub-groove 21 may be the deepest and widest at the proximal midpoint 25 and the distal mid-edge 26 of the archwire sidewall, extending in the proximal and distal directions toward the archwire slot 16.
  • the process gradually becomes shallower and narrower, and the cross section of the auxiliary groove 21 of the buccal tube in a direction perpendicular to the near and far direction is triangular, and two angles are 45 degrees from the side wall.
  • the inclined surface 22 is composed, and the two inclined surfaces intersect on a straight line running in the near and far direction, and this straight line is called the center line 23 of the auxiliary groove.
  • the ligature wire 27 pushes the thin round arch wire 29 toward the bottom wall sub-groove 10 of the archwire slot when the teeth are aligned, and at the same time, is tightly ligated.
  • the thin round arch wire 29 is not It can enter the side wall auxiliary groove 7 of the bracket archwire slot, which functions to align the front teeth and the double cusps;
  • the tying wire 27 is used. The method of loosely tying restricts the thick round arch wire 28 into the archwire slot, and the thick round arch wire 28 can enter the side wall auxiliary groove of the archwire slot of the bracket and the buccal tube.
  • Inter-maxillary traction causes tilting movement of the teeth of the entire dentition (excluding the third molar); referring to Figures 17, 18, 19, when the root is moved, the ligature 27 limits the square arch 30 to the bow
  • the ligature 27 limits the square arch 30 to the bow
  • the width of the buccal tongue is larger than the width of the side wall of the side wall
  • the width of the occlusal direction is larger than the width of the occlusal direction of the bottom groove 10 of the bottom wall of the bracket
  • the square arch wire 29 The side wall sub-groove and the bottom wall sub-groove 10 of the archwire slot cannot be accessed, and the teeth are controlled to move.
  • the buccal tube of the molar is a conventional buccal tube.

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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

L'invention concerne un dispositif orthodontique qui comprend un tube buccal, un bracket, un fil d'arc dentaire et un dispositif de ligature. Une fente de fil d'arc (16) est ménagée dans le bracket et le tube buccal dans la direction méso-proximale à méso-distale. Une ou plusieurs sous-fentes (21) sont ménagées dans la paroi latérale de la fente de fil d'arc (16), depuis le côté méso-proximal (25) et/ou le côté méso-distal (26) de la paroi latérale occlusale (18) et/ou de la paroi latérale gingivale (19) de la fente de fil d'arc (16). Une sous-fente (10) est ménagée dans la paroi de fond (6) de la fente du fil d'arc du bracket, qui traverse la paroi de fond (6) dans la direction méso-proximale à méso-distale.
PCT/CN2008/000469 2007-11-28 2008-03-10 Dispositif orthodontique WO2009067849A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN200710114988 2007-11-28
CN200710114988.4 2007-11-28
CNA2008100021642A CN101342094A (zh) 2007-11-28 2008-01-11 牙齿矫治器
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