US20050019718A1 - Orthodontic devices for use with arch wires - Google Patents

Orthodontic devices for use with arch wires Download PDF

Info

Publication number
US20050019718A1
US20050019718A1 US10/623,528 US62352803A US2005019718A1 US 20050019718 A1 US20050019718 A1 US 20050019718A1 US 62352803 A US62352803 A US 62352803A US 2005019718 A1 US2005019718 A1 US 2005019718A1
Authority
US
United States
Prior art keywords
slot
pivot
arch wire
device body
shutter member
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US10/623,528
Other languages
English (en)
Inventor
G. Hanson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Augusta Developments Inc
Original Assignee
Augusta Developments Inc
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
Application filed by Augusta Developments Inc filed Critical Augusta Developments Inc
Priority to US10/623,528 priority Critical patent/US20050019718A1/en
Priority to CA2473269A priority patent/CA2473269C/fr
Priority to US10/885,690 priority patent/US7104791B2/en
Priority to CNB2004800210748A priority patent/CN100566675C/zh
Priority to EP04737981A priority patent/EP1646330B1/fr
Priority to PCT/CA2004/001052 priority patent/WO2005007011A2/fr
Priority to JP2006520638A priority patent/JP4534232B2/ja
Priority to EP08017258.8A priority patent/EP2002798B1/fr
Priority to KR1020067001468A priority patent/KR101008742B1/ko
Publication of US20050019718A1 publication Critical patent/US20050019718A1/en
Assigned to AUGUSTA DEVELOPMENTS INC. reassignment AUGUSTA DEVELOPMENTS INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HANSON, G. HERBERT
Priority to US11/484,578 priority patent/US7204690B2/en
Abandoned legal-status Critical Current

Links

Images

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
    • 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
    • A61C7/285—Locking by rotation
    • 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
    • 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

Definitions

  • This invention is concerned with improvements in or relating to orthodontic devices consisting of orthodontic brackets and tubes of convertible type that are used in orthodontic procedures in cooperation with arch wires, and particularly such devices which have arch wire attitude controlling spring means as a permanent part thereof.
  • Orthodontic procedures almost always employ a plurality of orthodontic brackets that are attached to respective teeth, usually by cementing them thereto, although in some circumstances the bracket may still be attached to a metal band which embraces the tooth.
  • Each bracket has a mesial distal extending slot therein, usually of rectangular cross section in a gingival occlusal plane, and the brackets are connected together using an arch wire, so called because it is preformed to an optimum arch shape corresponding to the desired conformation of the teeth at the conclusion of the procedure.
  • the brackets are attached to the labial surfaces of the teeth and the slots open toward the labial for insertion and removal of the wire, which is retained in the slots by ligating means of some kind.
  • brackets and the wire are attached to the lingual teeth surfaces and the slots open toward the lingual or occlusal.
  • Arch wires of progressively increasing stiffness and, depending on the type of tooth movement to be achieved, also of different cross sections, are used one at a time.
  • brackets were “passive”, in that ligation of the wire to the bracket to obtain the necessary action between them was external to the bracket, at first consisting of a soft metal wire twisted around the bracket body, while increasingly an elastomeric hoop or loop is used in place of the wire.
  • the ends of the arch wire may be engaged in terminal tubes, usually attached to the molars so as to anchor the arch wire firmly in place. Tubes may also be employed on intermediate teeth in place of brackets whenever this is appropriate.
  • a terminal or intermediate tube is passive and consists of a short piece of tube attached to a base by which it is mounted on the tooth surface, the tube bore opening at least mesially so that the arch wire end must be inserted therein. This is not always convenient, and may not be possible when the tube is on an intermediate tooth, and the solution is then to use a tube of the so-called convertible type, with which one side of the tube bore can be opened when required for insertion of the wire therein, or its removal.
  • orthodontic devices as used herein, in both the specific description and in the claims, is intended therefore to include both brackets and convertible tubes within its scope.
  • the adjective “buccal” commonly is used to indicate that a device is on teeth that are facing the cheeks, while “palatal” or “lingual” are used to indicate to indicate that a device is facing the palate and the tongue. More specifically palatal is used in referring to the “inward” facing surfaces of the upper bicuspids and molars, but increasingly lingual is used for all teeth, while labial is used to refer to the upper and lower canines and incisors, and buccal is used to refer to the upper and lower bicuspids and molars.
  • Brackets as used in the Hanson SPEED System are “active”, sometimes referred to as “self-ligating”, in that each comprises a permanent ligating spring member which embraces the bracket body and is moved thereon between slot open and slot closed positions, the spring member performing the dual functions of retaining the arch wire in the slot, and also urging it to an optimum position within the slot.
  • active brackets are disclosed and claimed in my U.S. Pat. Nos. 4,248,588 and 4,492,573 the disclosures of which are incorporated herein by this reference.
  • the device is provided with a shutter which is movable between slot open and closed positions, and in slot closed position retains the arch wire in the slot.
  • the shutter also functions, at least initially, by its engagement with the wire, to urge the device and the arch wire to their optimum or neutral position relative to one another at which the constraint between them is minimized. Since in at least the initial stages of the procedure the arch wire will be of cross section smaller than the slot, such a device preferably is provided with an internal attitude controlling spring that protrudes into the slot to engage the wire and provide a desired controlling force.
  • Such a shutter can be of thicker material than an embracing spring and less flexible, so that it can more easily be made much less sensitive to overstressing beyond the elastic limit of the material, while still being sufficiently flexible for it to be held securely in slot closed position by its jamming engagement with the device body while under the onerous conditions encountered in typical orthodontic procedure.
  • Examples of devices consisting of brackets and convertible tubes are described and claimed in my U.S. Pat. No. 6,506,049, issued 14 Jan. 2003, the disclosure of which is incorporated herein by this reference.
  • an orthodontic device for use with orthodontic arch wires comprising:
  • the cooperating latch means members may comprise a recess in one of the pivot member and the pivot portion, and a projection from the other of the pivot member and the pivot portion, wherein with the shutter member in the slot closed position the recess and projection are cooperatively engaged with one another to retain the shutter member in that position.
  • the recess is provided in the pivot member and the projection is provided on the pivot portion.
  • the shutter member pivot portion may comprise a part thereof embracing the pivot member, the pivot portion part having a mesial distal extending bore therein through which the pivot member extends so that the part has a wall of at least approximately annular transverse cross section surrounding the pivot member;
  • the movable segment may constitute from about 200° to 270° of the total circumference of the pivot portion part wall with the respective latch means member disposed immediately adjacent to the radial slot.
  • the movable segment may have a part thereof adjacent to the location of the respective latch means member extending radially outward and engageable with a surface of the device body to limit the movement of the shutter member beyond a desired slot open position.
  • the radial slot in the pivot portion wall may have a tool receiving aperture therein through which a tool is inserted by an operator for flexing of the movable segment to disengage the latch means for movement of the shutter member out of the slot closed position.
  • the pivot member may comprise a single pivot pin and the tool receiving aperture is continued into the pin to permit adequate insertion of the tool into the aperture, or instead the pivot member may comprise two separate coaxial pins having their facing ends spaced apart to permit insertion of the tool between them.
  • the mesial and distal ends of the slot closure portion may engage with immediately adjacent surface portions of the device body with an interference fit engagement between them providing a retaining force in addition to that provided by the latch means so that the shutter member is also constrained thereby in the slot closed position against movement out of that position, and movement of the shutter member into the slot closed position requires flexing of the slot closure portion in a direction away from the device body against the resilience of the material of the slot closure portion.
  • attitude controlling spring member having a fixed end portion fixed against movement relative to the device body and a free end portion extending into the arch wire receiving slot for engagement in a mesially-distally extending plane with an arch wire in the slot.
  • the attitude controlling spring member may be of thin metal sheet with transversely extending side arms, and is retained within the device body by having the side arms sandwiched between a part of the device body containing the arch wire slot and a base member fastened to the device body.
  • an attitude controlling spring member may be constituted by a flexible extension of the shutter member that with the shutter member in slot closed position has a free end portion extending into the arch wire receiving slot for engagement in a mesial-distal extending plane with an arch wire in the slot, such engagement urging the arch wire into engagement with the respective slot walls.
  • the flexible portion of the shutter member in the slot closed position is positively engaged with a surface of the device body so as preload the flexible portion and urge the free end portion toward engagement with an arch wire in the arch wire slot.
  • an orthodontic device for use with orthodontic arch wires comprising:
  • FIG. 1 is a perspective view from the mesial-occlusal of a first embodiment with its pivoting shutter member in slot closed position;
  • FIG. 2 is an exploded view from the same perspective as FIG. 1 of the first embodiment
  • FIG. 3 is a longitudinal cross section in a central labial-lingual plane through a second embodiment with its shutter member in slot closed position;
  • FIG. 4 is the same cross section as FIG. 3 with the shutter member in slot open position;
  • FIG. 5 is a perspective view similar to FIG. 1 of a further embodiment
  • FIG. 6 is a partial exploded view from the same perspective as FIG. 2 , but showing only the shutter member of the embodiment of FIG. 5 ;
  • FIG. 7 is a side elevation from the mesial of a further embodiment that employs a shutter member of the same configuration as that in FIG. 6 , and showing the start of jamming cooperation between the shutter member and the bracket body during movement to slot closed position to assist in retaining the shutter member in that position;
  • FIG. 8 (Sheet 1) is a perspective view showing brackets as in FIG. 5 attached to the lingual surfaces of incisor teeth, and showing also the employment of a tool for moving the shutter member to slot open position;
  • FIG. 9 is a side elevation from the mesial showing a bracket of the invention in solid lines, and a prior art bracket in broken lines, the outlines of the brackets being superimposed upon one another so as to provide a comparison as to their relative sizes;
  • FIGS. 10 and 11 are central longitudinal cross sections similar to FIGS. 3 and 4 of a further embodiment, in which the shutter member is positioned toward the lingual end of the bracket body, instead of toward the labial end;
  • FIG. 12 (Sheet 5) is a central longitudinal cross section similar to FIGS. 10 and 11 of a further embodiment in which the placement of cooperating latch means members is reversed as compared with the other embodiments shown and described herein;
  • FIG. 13 is a central longitudinal cross section of a further embodiment, taken on the line 13 - 13 in FIG. 12 , and showing one way in which the bracket can be provided with hooks for engagement with supplementary orthodontic devices;
  • FIG. 14 is a view toward the labial of the embodiment of FIG. 13 ;
  • FIG. 15 is a view in side elevation from the mesial of a further embodiment provided with means by which elastomeric threads can readily be employed.
  • FIGS. 16 and 17 are central longitudinal cross sections of respective further embodiments in which an arch wire attitude controlling spring member to render the bracket active is provided by an extension of the shutter member.
  • FIGS. 1 through 11 are intended to be used attached to the lingual surfaces of incisor or canine teeth, while those shown in FIGS. 12-14 are intended to be used attached to the lingual surfaces of bicuspid or molar teeth.
  • brackets of the invention may be used for either labial or lingual procedures.
  • the labial and lingual direction designations are reversed between the two procedures, e.g. the bracket surface referred to as the labial surface in the labial procedure becomes the lingual surface in the lingual procedure, and vice versa, and the arch wire slot usually opens to the lingual and not the labial, although as described above it may instead open to the occlusal.
  • each bracket is attached to its respective tooth in an attitude such that, as the arch wire attempts to return to its preformed arch shape and to be straight as seen in a mesial-distal, labial-lingual plane, the tooth is moved toward its desired optimized position and attitude.
  • the brackets for different teeth must accommodate the very different inclinations of the tooth surfaces to which they are attached. There are two main methods by which this is done, either by suitable shaping of the bracket bases and of their base surfaces that contact the teeth surfaces, or by changing the inclination of the arch wire slots.
  • brackets shown herein all of the torque requirements (rotation about a mesial distal axis), angulation requirements (rotation about a labial lingual axis), and first order pre-adjustments, are obtained by suitable shaping of the bracket bases, particularly of the surface that engages the tooth surface, and by variation of the base thickness, so that when the teeth are in their optimum attitude and rotational position all of the slot surfaces engaged by the arch wire are aligned.
  • the other method of slot inclination can also be used in the brackets of the invention, either alone or in combination with the first-described method.
  • the inclination of the slot may be so extreme that, for example, in a bracket fixed to the lingual surface of a central incisor no attempt is made to have the slot remain parallel with the labial lingual axis and instead, as mentioned above, it opens to the occlusal parallel to the gingival occlusal axis (as viewed from the mesial or distal).
  • Such a configuration allows easier insertion of the arch wire into the lingually mounted brackets. Nevertheless such devices are within the scope of the language of the appended claims.
  • the bracket device shown therein consists of a bracket body comprising a bracket body member having labial, lingual, gingival, occlusal, mesial and distal surface portions 10 , 12 , 14 , 16 , 18 and 20 respectively, the orientation directions being shown in FIG. 1 by corresponding arrows.
  • the bracket body member has attached to its gingival surface, as for example by laser welding along its edges, a bracket base 22 consisting of a thin metal foil, and having a layer 24 of metal wire mesh attached to its gingival surface, the open pores of the mesh facilitating the attachment of the bracket to a tooth by cement.
  • the body member is provided with a mesial-distal extending arch wire receiving slot 26 having its lingual side open, the slot in this embodiment being of rectangular transverse cross section in a gingival-occlusal, labial-lingual plane and having labial, gingival and occlusal surfaces 28 , 30 and 32 respectively.
  • the slot receives an arch wire 34 (see for example FIGS.
  • Means for retaining the arch wire in the slot, and releasing it when required consist of a shutter member, indicated generally by arrow 36 , that is mounted by a pivot member in a centrally disposed recess 38 opening to the labial and occlusal surface portions 10 and 16 .
  • the pivot member consists of a pair of coaxial mesial-distal extending pivot pins 38 that pass through the shutter member and the bracket body, so that the member is movable about a common pivot axis 42 of the pins between a slot closed position, as shown in FIGS. 1 and 3 , in which the shutter closes the open lingual slot side, and a slot open position, as shown in FIG. 4 , in which the open lingual slot side is unobstructed.
  • the facing ends of the pins are spaced from one another to provide a space between them whose function will be explained below.
  • the pivot member is disposed in the body closer to the labial end than to the lingual end.
  • the provision of the recess 38 in the bracket body member results in two parallel wing members 44 with parallel facing mesial and distal walls, the mesial-distal dimension between the two walls being such that the shutter member 36 has just enough clearance, but without any appreciable play, to move freely therein in its movement between slot open and closed positions.
  • the pivot pins are of circular cross section and are engaged tightly in corresponding circular cross section bores 46 in the wing members; once engaged in these bores they are held rigidly against rotation, for example by laser spot welding their ends to the bracket body by spot welds 48 , as shown in FIGS. 1, 5 and 7 .
  • the shutter member consists of a pivot portion 50 that is always within the recess 38 , and through which the pivot pins 38 extend, and a slot closure portion 52 , the lafter being in this embodiment integral with the pivot portion, the shutter member having been machined from a single block of metal.
  • the mesial-distal dimension of the slot closure portion is the same as that of the pivot portion.
  • the shutter member is retained securely in the slot closed position by the interaction of latch means comprising cooperating latch members respectively with the pivot portion 50 and the pivot pins 40 .
  • the pivot portion 50 has the form of a hollow cylindrical tube of at least approximately annular cross section in a gingival-occlusal plane that embraces the pivot pins 40 , the tube being provided with a mesial-distal extending central bore 60 of diameter such that it is a close fit around the pins, while permitting the required pivoting rotation of the shutter member thereon.
  • a theoretical circular segment junction between the pivot and closure portions, extending from its gingival side to its occlusal side, is indicated in FIG. 2 by a broken line 61 .
  • the pivot portion is provided close to this junction, and adjacent to its intersection with the occlusal side of the closure portion, with a mesial-distal extending slot 62 that extends completely through its wall, so that the segment of the cylindrical tube wall that extends from the slot 62 to the intersection of the junction 61 with the gingival side of the closure portion is able to move by flexing radially outward away from the pivot pins, such flexing being accompanied by a circumferential movement apart of the opposed facing walls of the slot.
  • This movable segment of the pivot portion is made as long as possible to provide the maximum amount of flexing, and corresponding maximum amount of radially inward and outward movement of the free end of the segment. In practice the movable segment can constitute from about 200° to 270° of the total circumference of the pivot portion part wall.
  • the latch members provided by the latch means in this embodiment consist of mesial distal extending V or U transverse cross section latch grooves or recesses 64 in the surfaces of the pivot pins 40 and a mesial distal extending latch projection 66 of complementary profile immediately adjacent to the slot 62 and protruding radially inward from the inner wall of the bore 60 .
  • the relative positions of these latch members is such that in the slot closed position of the shutter member the projection is engaged snugly and securely in the grooves and positively retains the shutter member in that position. Movement of the shutter member out of that position requires that the movable segment be flexed radially outward against the resilience of the material of the member, and remain thus flexed while the shutter member is in any other position.
  • the V or U cross sections of the recesses and projection provide a cam action in their engagement and disengagement. Such action is particularly advantageous during engagement in that as soon as the projection engages the downward inclined face of the recess the resilience of the movable segment positively moves the projection into full engagement in the recess with corresponding positive movement of the shutter member.
  • Part 68 of the movable segment immediately adjacent to the projection 66 bulges radially outward, a groove 70 being provided in the inner wall of the pivot portion to maintain uniform wall thickness and to allow a cross section for the projection that ensures more secure engagement. The groove also ensures that there is no abrupt junction of the projection with the remainder of the moveable segment.
  • the bulging part engages the adjacent wall of the base member 22 thereby acting as a stop member preventing further rotation, so that the shutter member is held in a preferred slot open position, as shown in FIG. 4 , in which the opposed closure member surface 52 and slot surface 30 provide an inwardly tapered opening that will facilitate capture of an arch wire and guide it into the slot 26 .
  • the slot closure member is relatively easily moved from the slot open to slot closed position by finger pressure and/or by the pressure applied by a suitable dental tool. Opening is more difficult because of the smooth, flush outer surfaces and the projection 66 must be sprung from the grooves 64 ; the required opening movement is facilitated by the provision of a radially extending hole 72 in the centre of the slot 62 .
  • a dental tool 73 such as a probe can be inserted into the hole and used as a lever to rotate the shutter member, while at the same time assisting in the flexing of the movable segment by spreading the walls of the slot apart.
  • two separate pivot pins 40 are used with their inner facing ends spaced apart, the resultant space enabling the tool to be inserted sufficiently deeply for adequate torque to be applied.
  • the use of two separate pins does require accurate alignment of the two grooves 64 before the spot welds 46 are applied, and another method is to use a single grooved pivot pin and to drill the hole 72 after the pin is in welded in place, the hole then passing through the wall of the pivot portion and a sufficient depth into the pin (see FIG. 16 ).
  • the occlusal surface of the slot closure portion 52 is flush with the corresponding occlusal surface 16 of the bracket body, and similarly the lingual surfaces of the slot closure portion is flush with the corresponding lingual surface 12 of the bracket body, so that in such position the bracket presents smooth, solid exterior surfaces that minimize the likelihood of rough contact between the brackets and the tongue and adjacent tissue of the mouth.
  • the bracket as so far described is “passive”, in that the only control of tooth movement that can be provided is by the interaction produced by contact between the arch wire and the walls of the arch wire slot 26 . It is preferred in most procedures that the brackets be “active”, i.e. that they include some inherent means for controlling the attitude of the bracket relative to the arch wire, and to that end each is provided within the recess 38 with a thin sheet metal flat attitude controlling spring member.
  • the spring member has a fixed end portion 74 that is held rigidly in the bracket body, and a free end portion 76 extending into the arch wire receiving slot for engagement in a mesial-distal, labial-lingual plane with an arch wire in the slot, such engagement urging the arch wire toward the cooperating surfaces of the arch wire slot and the slot closure portion.
  • the spring is of vertical cross shape in plan (St. George orientation) with transversely extending side arms 78 , and may be inserted in the bracket as it is assembled with the side arms sandwiched between the bracket body member and the base member 22 , recesses 80 being provided in the body member to receive the side arms. Other methods of attachment can be employed such as laser welding or riveting.
  • the force with which the spring engages an arch wire is dependent primarily on the dimensions of the spring, particularly its width and thickness, and also upon the cross section dimension of the arch wire.
  • the force can also be adjusted by forming the spring with different amounts of preloading before the bracket is assembled, for example by adjustment of its profile.
  • a preferred material for the springs and shutter members used in the orthodontic devices of the invention is the family of nickel-titanium alloys, commonly referred to as superelastic shape recovery metal alloys, in that they can withstand without damage strains of as high as about 6-8%, as compared to the usual maximum of about 0.5% for stainless steels, the materials most commonly previously used.
  • Stainless steels of the required qualities will usually continue to be the material of choice for the device body and the pivot pins.
  • the function and operation of the shutter member 36 and its latch means, and of the attitude controlling spring 74 - 78 are identical to the same elements in the embodiment of FIGS. 1 and 2 .
  • the principal difference is that the shutter member receiving recess 38 now opens primarily to the body occlusal surface, instead of to the labial surface, and the body extends much further toward the labial beyond the pivot pins (or pivot pin if a single pin is used) to provide a solid wedge shaped body portion 81 that reduces (tapers) in gingival occlusal dimension toward the labial, the labial surface 10 being almost non-existent.
  • the occlusal surface of this body portion 81 is a smooth extension of the occlusal surface 16 of the remainder of the body.
  • the arch wire slot 26 still opens to the lingual surface.
  • Canine and incisor teeth are characterized in that their labial-lingual dimension decreases progressively from the gingival to the occlusal, as contrasted with bicuspids and molars which are more nearly uniform in dimensions in this direction.
  • a common problem encountered in orthodontic treatment is that the patient has a deep-bite malocclusion in which the lower incisors are set too far lingually from the upper incisors for the teeth to meet properly when the jaw is closed, so that the bite is deeper than it should be.
  • the brackets of the invention are particularly suited for use when treating such a problem in that the gingival-occlusal dimension of the bracket body can readily be made to decrease progressively from the lingual to the labial, and this decrease can be made to correspond approximately to the average increase in dimension of a canine or incisor tooth.
  • the labial-lingual dimension of the bracket-tooth combination is at least approximately uniform from the occlusal to the gingival, so that the bracket occlusal surface lies in a mesial-distal, labial-lingual extending plane.
  • the lingual brackets now also function as bite planes to prevent the lower incisors from reaching their usual deep-bite malocclusion over-closure, and can therefore replace the acrylic bite plates that are placed in the mouth to correct this. They also operate similarly to prevent any interference with the brackets on the lower teeth while the malocclusion is present, so that they can be bonded to the teeth without fear that they will be detached as a result of over-biting. It also permits the posterior teeth to be erupted during the procedure to further reduce the overbite. Such brackets are described and claimed in my U.S. patent Ser. No. 6,506,049, issued 14 Jan. 2003, referred to above.
  • a bracket as illustrated by FIGS. 5 through 8 differs from those of FIGS. 1 through 4 in that the part of the slot closure portion 52 providing the slot closure surface 56 is wider in the mesial-distal direction than the pivot portion 50 , and preferably its width is that of the body member, so that its end surfaces 82 are flush with the mesial and distal surfaces 18 and 20 of the body member.
  • the extended slot closure portion therefore provides mesial and distal extending surfaces 84 that are extensions of the surfaces 56 , and that are able to cooperate with surfaces 86 on the bracket body wings 44 in providing an additional restraining force that assists the latch means in retaining the shutter member in the slot closed position.
  • the dimensions of the bracket body and of the shutter member are such that, as the shutter member moves about the pivot axis 42 toward the slot closed position, the surfaces 84 at first engage and then rub tightly against the corresponding surfaces 86 with an interference fit. Owing to their very small dimensions there may be a very small amount of flexing of the parts 82 toward the lingual against the elasticity of the material. Once in the slot closed position the moving interference fit engagement between the surfaces becomes a stationary butting interference fit engagement, with the butting sections of the shutter member permanently very slightly flexed lingually outward from the bracket body to provide a correspondingly directed retaining force.
  • the extended slot closure surfaces also are operative to provide the bracket with increased rotational control during the orthodontic procedure because of the increased length of mesial distal engagement with the arch wire.
  • Such a method of adding to the retention the slot closure member in slot closed position is completely feasible with a product such as an orthodontic bracket in that the number of openings and closings it is likely to experience during its working life is limited, so that the possibility of wear of the rubbing engaging surfaces is minimal.
  • Orthodontic brackets are already of necessity manufactured to very close tolerances (e.g. 0.00025 mm or 0.0001 in) so that the required jamming interference fit can easily be achieved.
  • the tiny amount of any deflection produced in the end portions 82 is highly unlikely to even approach the yield point of the material, so that permanent deflection is correspondingly highly unlikely.
  • FIG. 8 is a perspective view showing brackets of the invention, of the kind illustrated by FIGS. 5 and 6 , cemented to the lingual surfaces of adult upper incisors in order to show the extremely small size that is possible.
  • brackets of the invention can readily be produced having a mesial distal dimension (not including the base 22 or mesh 24 ) of 1.96 mm (0.077 in) to 2.5 mm(0.098 in), a labial lingual dimension of 1.2 mm (0.048 in), and a gingival occlusal dimension of 1.8 mm(0.070 in) to 3.05 mm (0.112 in).
  • the pivot pin/s 40 typically will be of diameter in the range 0.4 mm (0.016 in) to 0.5 mm (0.020 in), preferably 0.45 mm (0.018 in), while the latch groove 64 and the latch projection 66 will be of radial dimension in the range 0.05 mm (0.002 in) to 0.10 mm (0.004 in), preferably 0.062 mm (0.0025 in).
  • the figure also shows a typical dental tool 73 that can be used in moving the shutter member from closed to open position by inserting it into the hole 72 and rotating it in the direction of arrow 88 .
  • FIG. 9 shows a bracket of the invention attached to a base 22 , and to the same scale a prior art Hanson SPEED system (Trademark) bracket as disclosed for example in my prior U.S. Pat. No. 4,492,573, referred to above, the outlines of the two brackets being superimposed in order to demonstrate clearly the difference in their sizes and the small dimensions to which it is possible to make the new brackets.
  • Hanson SPEED system Trademark
  • FIGS. 10 and 11 are central longitudinal cross sections through a further embodiment in which the shutter member 36 is disposed more closely adjacent to the lingual end than to the labial end of the bracket body, such a bracket being appropriate for use on the lingual surfaces of upper incisors and canines.
  • FIG. 10 shows the shutter member in the slot closed position and with a round cross section arch wire 34 in the slot 26 .
  • the attitude controlling spring 74 - 78 is sandwiched between the base member 22 and the movable pivot portion 50 of the shutter member, the part thereof which buts against the spring being of uniform radius about the axis 42 until the bulge 70 engages the spring to act as a stop member for the shutter member in slot open position.
  • This configuration enables the bracket body to be provided toward its labial end with a mesial distal extending bore 90 that can receive a supplementary wires, or be used as an anchor point for various other supplementary orthodontic devices.
  • the bracket of FIG. 12 is intended for application to canine and incisor teeth, but the variation in structure which this illustrates is equally applicable to those intended for application to molar or bicuspid teeth.
  • the function and operation of the shutter member 36 , its latch means, and the attitude controlling spring 74 - 78 are the same.
  • the structural difference is that the disposition of the latch means members, namely the latch grooves or recesses 64 and the latch projection 66 , is reversed.
  • a mesial distal extending recess 64 is provided in the wall of pivot portion 50 , while a cooperating radial outward extending projection 66 is provided on the pivot pin or pins 40 .
  • the movable segment of the wall carries the recess 64 as close as possible to its free end to provide the maximum length of wall that is flexed radially outward, again usually by use of a tool 73 , in order to disengage the latch means.
  • brackets illustrated therein can be attached to the teeth lingual surfaces and can also be attached to the labial surfaces of all teeth if given the appropriate “built in torque” and provided with base members 22 (“stand offs”) of appropriate shape and dimensions. Brackets frequently are provided with quite large external hooks and mushroom headed receptors for anchors and tension devices and, particularly with devices intended for lingual procedures, these are likely to cause problems owing to their engagement with the adjacent mouth surfaces and the tongue. Owing to the extremely small size of the brackets of the invention it becomes more difficult to provide such external hooks, etc.
  • FIG. 15 shows a further embodiment in which a bracket is provided with means that permit ready attachment thereto of elastomeric elements, such as an elastomeric thread.
  • the bracket body is provided approximately at the junction of the lingual and gingival surfaces with a mesial distal extending slot 96 having a narrow mesial distal extending mouth 98 through which an elastomeric thread 100 can be squeezed. This is done by stretching the thread longitudinally until its cross section has been reduced from its normal relaxed or somewhat tensed outline, as shown at the upper left of the Figure, to a much reduced highly stretched outline, as shown in the middle of the Figure.
  • mesial or distal directed tension can be applied to the bracket by use of a thread provided at regular intervals along its length with stop knots or beads 102 of a size that cannot pass through the slot. The tension can be adjusted by cutting an appropriate length of the thread and engaging it in the slot with the endmost knot or bead butting against the appropriate mesial or distal surface.
  • the bracket of FIG. 16 is intended for use on lower central incisors in labial procedures, its arch wire slot 26 opening to the labial, while the shutter member 36 is pivotally mounted about a pivot axis 42 closer to the gingival end.
  • the device is operative as with the devices described above.
  • an integral attitude controlling spring member is constituted by a flexible portion 104 , 106 of the shutter member that is an extension of the slot closure portion 52 and is of recurved cross section in an occlusal, gingival, labial, lingual plane consisting of two somewhat approximately parallel arms 104 and 106 respectively.
  • the arm 104 is an integral extension of the slot closure portion, while the arm 106 constitutes a spring member free end portion that in slot closed position extends into the slot for engagement in a mesial-distal extending plane with an arch wire 34 in the slot, such engagement urging the arch wire into engagement with lingual and gingival slot surfaces 29 and 30 respectively.
  • the flexible portion of the shutter member, and in this embodiment more specifically the occlusal facing surface of the arm 104 which is relatively straight, is positively engaged along most of its length with an inclined gingivally facing surface 108 of the device body so as preload the flexible portion and urge the free end portion toward engagement with the arch wire.
  • This inclined surface and preload also facilitate the retention of the shutter member in slot closed position, since the spring member must be flexed toward the gingival in order to move from that position.
  • the flexible portion is of mesial distal dimension to be a close fit within the device body recess 38 , so that in slot closed position it is engaged by the mesial and distal facing lateral wall surfaces 110 of the device body, parallel to the occlusal-gingival-labial-lingual plane, to protect it against displacement under mesial or distal directed stresses applied thereto.
  • the cement-receiving layer 24 of metal wire mesh is replaced with a thin layer of sintered metal powder.
  • the device of FIG. 17 is for use on upper bicuspids and has its arch wire slot opening to the occlusal; otherwise the device functions in the same manner as that of the device of FIG. 16 .
  • the surface 108 which is engaged to provide preload for the spring member is of much shorter length and engages the arm 106 very close to its junction with the arm 106 , the surface being curved to be of complementary shape.
  • the supporting surfaces 110 are of much shorter labial-lingual length, but are adequate to protect the spring member against mesial-distal directed forces, even though they engage only the curved junction between the two arms.
  • latch means constituted by the latch groove 64 and cooperating latch projection 66 can be replaced by an equivalent latch means, for example as shown in my prior U.S. Pat. No. 5,224,858, the disclosure of which is incorporated herein by this reference.
  • bracket body 80 Recesses in bracket body receiving spring side arms 78
  • bracket body wings 44 cooperating with surfaces 84
  • bracket body 90 Supplementary mesial distal extending bore in bracket body

Landscapes

  • 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)
US10/623,528 2003-07-22 2003-07-22 Orthodontic devices for use with arch wires Abandoned US20050019718A1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US10/623,528 US20050019718A1 (en) 2003-07-22 2003-07-22 Orthodontic devices for use with arch wires
CA2473269A CA2473269C (fr) 2003-07-22 2004-07-07 Dispositifs orthodontiques pour utilisation avec des arcs dentaires
US10/885,690 US7104791B2 (en) 2003-07-22 2004-07-08 Orthodontic devices for use with arch wires
PCT/CA2004/001052 WO2005007011A2 (fr) 2003-07-22 2004-07-16 Dispositifs orthodontiques a utiliser avec des fils arc dentaires
EP04737981A EP1646330B1 (fr) 2003-07-22 2004-07-16 Dispositifs orthodontiques a utiliser avec des fils arc dentaires
CNB2004800210748A CN100566675C (zh) 2003-07-22 2004-07-16 与弓丝一起使用的正牙装置
JP2006520638A JP4534232B2 (ja) 2003-07-22 2004-07-16 アーチワイヤーと用いる歯科矯正用装置
EP08017258.8A EP2002798B1 (fr) 2003-07-22 2004-07-16 Dispositifs orthodontiques à utiliser avec des fils métalliques pour arc
KR1020067001468A KR101008742B1 (ko) 2003-07-22 2004-07-16 아치 와이어와 사용되는 치과교정장치
US11/484,578 US7204690B2 (en) 2003-07-22 2006-07-12 Orthodontic devices for use with arch wires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/623,528 US20050019718A1 (en) 2003-07-22 2003-07-22 Orthodontic devices for use with arch wires

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US10/885,690 Continuation-In-Part US7104791B2 (en) 2003-07-22 2004-07-08 Orthodontic devices for use with arch wires
US11/484,578 Continuation US7204690B2 (en) 2003-07-22 2006-07-12 Orthodontic devices for use with arch wires

Publications (1)

Publication Number Publication Date
US20050019718A1 true US20050019718A1 (en) 2005-01-27

Family

ID=34079812

Family Applications (3)

Application Number Title Priority Date Filing Date
US10/623,528 Abandoned US20050019718A1 (en) 2003-07-22 2003-07-22 Orthodontic devices for use with arch wires
US10/885,690 Expired - Lifetime US7104791B2 (en) 2003-07-22 2004-07-08 Orthodontic devices for use with arch wires
US11/484,578 Expired - Lifetime US7204690B2 (en) 2003-07-22 2006-07-12 Orthodontic devices for use with arch wires

Family Applications After (2)

Application Number Title Priority Date Filing Date
US10/885,690 Expired - Lifetime US7104791B2 (en) 2003-07-22 2004-07-08 Orthodontic devices for use with arch wires
US11/484,578 Expired - Lifetime US7204690B2 (en) 2003-07-22 2006-07-12 Orthodontic devices for use with arch wires

Country Status (7)

Country Link
US (3) US20050019718A1 (fr)
EP (2) EP1646330B1 (fr)
JP (1) JP4534232B2 (fr)
KR (1) KR101008742B1 (fr)
CN (1) CN100566675C (fr)
CA (1) CA2473269C (fr)
WO (1) WO2005007011A2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090081603A1 (en) * 2007-09-21 2009-03-26 Rolf Forster Orthodontic Bracket
US20090281521A1 (en) * 2003-06-04 2009-11-12 Williams Michael S Method and apparatus for retaining medical implants within body vessels
US20100129764A1 (en) * 2007-04-30 2010-05-27 Pospisil Jirina V Ceramic orthodontic bracket with improved debonding characteristics
US20100203463A1 (en) * 2009-02-06 2010-08-12 Ortho Organizers, Inc. Self-ligating orthodontic bracket
USD747808S1 (en) * 2014-06-20 2016-01-19 Li Ji Orthodontic bracket

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070031773A1 (en) * 2003-07-21 2007-02-08 Giuseppe Scuzzo Bracket for orthodontics
US7186114B2 (en) * 2004-03-30 2007-03-06 Navarro Carlos F Self-ligating lingual orthodontic bracket
US7063531B2 (en) * 2004-07-16 2006-06-20 Rolf Maijer Orthodontic bracket system
US7893315B2 (en) 2004-11-04 2011-02-22 Advanced Cell Technology, Inc. Derivation of embryonic stem cells and embryo-derived cells
US7267545B2 (en) 2005-01-11 2007-09-11 Ormco Corporation Self-ligating orthodontic bracket
US7674110B2 (en) * 2006-03-23 2010-03-09 Ormco Corporation Low profile self-ligating orthodontic brackets and methods of using such orthodontic brackets
US7704072B2 (en) 2006-04-19 2010-04-27 Ormco Corporation Orthodontic bracket
US9554875B2 (en) 2006-09-07 2017-01-31 Rmo, Inc. Method for producing a customized orthodontic appliance
US8979528B2 (en) 2006-09-07 2015-03-17 Rmo, Inc. Customized orthodontic appliance method and system
US8251697B2 (en) 2006-09-07 2012-08-28 Rmo, Inc. Reduced-friction buccal tube and method of use
GB2445540A (en) * 2007-01-11 2008-07-16 Helen Taylor Safety attachment for orthodontic wires and pliers to apply attachment
EP3640326A1 (fr) 2007-04-18 2020-04-22 Hadasit Medical Research Services & Development Limited Cellules de l'épithélium pigmentaire de la rétine dérivées de cellules souches
RU2010102724A (ru) * 2007-06-28 2011-08-10 Ормко Корпорейшн (Us) Самолигирующийся ортодонтический брекет и устройства для его установки
EP2008611A1 (fr) 2007-06-28 2008-12-31 Ormco Corporation Outils à main orthodontiques pour une utilisation avec un support orthodontique à ligature automatique, procédés pour l'utilisation de tels outils à main orthodontiques et supports orthodontiques à ligature automatique et systèmes de supports orthodontiques
US7686613B2 (en) * 2007-07-10 2010-03-30 3M Innovative Properties Company Narrow ceramic self-ligating orthodontic bracket
US20110143301A1 (en) * 2007-08-17 2011-06-16 Rolf Maijer Single continuous spring orthodontic bracket and system
US7845941B2 (en) * 2007-11-02 2010-12-07 Mark Minium Orthodontic instrument for use with adjustable orthodontic apparatus
US7845940B2 (en) * 2007-11-02 2010-12-07 Mark Minium Orthodontic apparatus with self-ligating bracket and locking device
US7845939B2 (en) * 2007-11-02 2010-12-07 Mark Minium Orthodontic apparatus with self-ligating bracket
WO2009098714A2 (fr) * 2008-01-11 2009-08-13 Mathew Benoy Système de brackets orthodontiques auto-ligaturants sans ailettes du type edgewise
WO2009141825A2 (fr) * 2008-05-22 2009-11-26 Rgb Orthodontics Ltd. Appareil orthodontique et procédé
US7963768B2 (en) * 2008-09-05 2011-06-21 Jack Keith Hilliard Self-ligating orthodontic bracket assembly
CN102348427B (zh) * 2009-01-16 2014-11-26 奥姆科公司 正畸托槽以及矫正错位牙齿的方法
FI121776B (fi) * 2009-03-10 2011-04-15 Tuomo Kantomaa Hammaskiinnike ja järjestely hampaiden oikomiseksi
US11219507B2 (en) 2009-03-16 2022-01-11 Orthoamerica Holdings, Llc Customized orthodontic appliance and method
WO2010107567A1 (fr) 2009-03-16 2010-09-23 Rmo, Inc. Bracket orthodontique doté d'un canal de fil métallique pour arc, et mécanisme de retenue de fil métallique pour arc
US8157562B2 (en) * 2009-08-05 2012-04-17 Six Month Smiles Inc. Orthodontic bracket system and method
EP2461763A4 (fr) * 2009-08-05 2014-04-30 Six Month Smiles Inc Système et procédé pour crochet orthodontique
US8162660B2 (en) * 2009-11-20 2012-04-24 Robert T Rudman Rotating clip orthodontic bracket
US20110269093A1 (en) * 2010-04-29 2011-11-03 Waugh Jr Robert Lawson Orthodontic bracket and elastomeric insert system
US9345558B2 (en) 2010-09-03 2016-05-24 Ormco Corporation Self-ligating orthodontic bracket and method of making same
US9615897B2 (en) * 2010-09-10 2017-04-11 Ormco Corporation Self-ligating orthodontic bracket
CN101947138B (zh) * 2010-09-10 2012-08-29 广州瑞通生物科技有限公司 一种通用舌侧托槽系统
FR2969483B1 (fr) * 2010-12-28 2015-07-31 H 32 Ensemble forme par une attache auto-ligaturante et un clip elastique, ensemble forme par cette attache, ce clip et une base, et appareil orthodontique le comportant.
FR2969481B1 (fr) * 2010-12-28 2013-11-29 H 32 Ensemble attache-clip-base avec base pour appareillage orthodontique et appareil orthodontique le comportant.
EP2540252A4 (fr) * 2011-01-21 2015-01-28 Toshiaki Hiro Support orthodontique
CN102068317A (zh) * 2011-01-27 2011-05-25 陈启锋 牙齿矫正保持片
BRPI1100503B1 (pt) * 2011-02-15 2022-04-26 Temistocles Uriarte Zucchi Braquete interativo/passivo
CN102462554A (zh) * 2011-03-23 2012-05-23 张国彬 口腔正畸平衡矫正器之颊侧管
EP2706949B1 (fr) 2011-05-12 2019-11-13 Rmo, Inc. Appareil orthodontique ayant des informations codées formées dans la base
CN103764062A (zh) * 2011-07-25 2014-04-30 欧瑟阿尔穆公司 生物相容性自锁托槽
USD847349S1 (en) 2011-09-22 2019-04-30 Rmo, Inc. Orthodontic lock with flange
US8568139B2 (en) 2011-11-23 2013-10-29 Ronald M Roncone Orthodontic bracket
EP2874560B1 (fr) 2012-07-23 2019-11-06 3M Innovative Properties Company Bracket orthodontique auto-ligaturant
US8550814B1 (en) 2012-08-16 2013-10-08 Monte Collins Multi-component orthodontic bracket assembly
USD726318S1 (en) 2013-01-17 2015-04-07 Rmo, Inc. Dental instrument for a self-ligating orthodontic clip
US9468505B2 (en) 2013-03-15 2016-10-18 American Orthodontics Corporation Self-ligating bracket
US9888984B2 (en) * 2013-06-14 2018-02-13 Ormco Corporation Self-ligating orthodontic bracket with rotatable closure member
DE102013013098B4 (de) * 2013-08-07 2017-07-13 Manfred Becht Orthodontisches Bracket zur Befestigung an einer Innenseite eines Zahns
USD721811S1 (en) 2013-10-29 2015-01-27 Rmo, Inc. Orthodontic bracket
EP3166529A4 (fr) 2014-07-09 2018-02-28 3M Innovative Properties Company Boîtier orthodontique autoligaturant doté de verrou de rotation positif
CN104257430B (zh) * 2014-10-28 2017-02-15 吕涛 一种可有效表达转矩的正畸自锁托槽
US10111731B2 (en) 2014-11-18 2018-10-30 American Orthodontics Corporation Self-ligating bracket
CN107847294A (zh) 2015-06-08 2018-03-27 美国正畸公司 自锁托架
US10085824B2 (en) 2015-10-30 2018-10-02 Ortho Organizers, Inc. Self ligating orthodontic bracket
USD797294S1 (en) 2015-11-12 2017-09-12 American Orthodontics Corporation Self-ligating bracket
ITUA20164090A1 (it) * 2016-06-03 2017-12-03 Giovanbattista Pagnotta Dispositivo ortodontico
US11045284B2 (en) 2016-11-24 2021-06-29 Kirishima Seiko Co., Ltd. Dental brace and method for attaching dental brace
EP3573567B1 (fr) * 2017-01-27 2024-03-06 The University of North Carolina at Chapel Hill Bague orthodontique
KR102279257B1 (ko) * 2017-11-14 2021-07-16 노민기 치아 교정장치
KR102021799B1 (ko) * 2017-11-14 2019-09-17 노민기 치아 교정장치
EP3766452B1 (fr) * 2019-07-19 2023-11-22 Cheng-Hsiang Hung Bracket orthodontique
JP2023529942A (ja) * 2020-06-11 2023-07-12 スウィフト・ヘルス・システムズ・インコーポレイテッド 非滑り歯列弓形態を伴う歯列矯正器具
US11259899B2 (en) 2020-07-03 2022-03-01 Aadvance Technologies, Llc Orthodontic device
CN114438370B (zh) * 2021-12-31 2022-08-16 上海精科智能科技股份有限公司 一种轻质化阻尼式翻盖自锁正畸矫治装置及其近终成形制备方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103423A (en) * 1977-03-04 1978-08-01 Kessel Stanley P Orthodontic bracket
US4698017A (en) * 1986-12-10 1987-10-06 Hanson Gustaf H Orthodontic brackets
US5586882A (en) * 1994-07-12 1996-12-24 Hanson; G. Herbert Self-ligating orthodontic brackets
US5685711A (en) * 1995-12-06 1997-11-11 Hanson; G. Herbert Self-ligating orthodontic brackets
US5913680A (en) * 1994-03-07 1999-06-22 Voudouris; John C. Orthodontic bracket
US20020034715A1 (en) * 2000-09-20 2002-03-21 Hanson G. Herbert Orthodontic brackets and convertible buccal tubes
US6659767B2 (en) * 2001-02-15 2003-12-09 Norbert Abels Self-ligating orthodontic brackets that include a deformable ligation cover to facilitate locking and unlocking

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4248588A (en) 1979-04-27 1981-02-03 Hanson Gustaf H Orthodontic bracket and arch wire
US4492573A (en) 1984-03-27 1985-01-08 Augusta Developments Inc. Orthodontic bracket
US5474444A (en) * 1988-09-26 1995-12-12 Wildman; Alexander J. Multiwire arch system
US5224858A (en) 1992-01-28 1993-07-06 Hamilton Ortho Inc. Orthodontic brackets and arch wires for use in combination therewith
US5511976A (en) * 1993-09-14 1996-04-30 Wildman; Alexander J. Lingual bracket with hinged camming closure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103423A (en) * 1977-03-04 1978-08-01 Kessel Stanley P Orthodontic bracket
US4698017A (en) * 1986-12-10 1987-10-06 Hanson Gustaf H Orthodontic brackets
US5913680A (en) * 1994-03-07 1999-06-22 Voudouris; John C. Orthodontic bracket
US5586882A (en) * 1994-07-12 1996-12-24 Hanson; G. Herbert Self-ligating orthodontic brackets
US5685711A (en) * 1995-12-06 1997-11-11 Hanson; G. Herbert Self-ligating orthodontic brackets
US20020034715A1 (en) * 2000-09-20 2002-03-21 Hanson G. Herbert Orthodontic brackets and convertible buccal tubes
US6506049B2 (en) * 2000-09-20 2003-01-14 Augusta Developments Inc. Orthodontic brackets and convertible buccal tubes
US6659767B2 (en) * 2001-02-15 2003-12-09 Norbert Abels Self-ligating orthodontic brackets that include a deformable ligation cover to facilitate locking and unlocking

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090281521A1 (en) * 2003-06-04 2009-11-12 Williams Michael S Method and apparatus for retaining medical implants within body vessels
US20100129764A1 (en) * 2007-04-30 2010-05-27 Pospisil Jirina V Ceramic orthodontic bracket with improved debonding characteristics
US20090081603A1 (en) * 2007-09-21 2009-03-26 Rolf Forster Orthodontic Bracket
US20100203463A1 (en) * 2009-02-06 2010-08-12 Ortho Organizers, Inc. Self-ligating orthodontic bracket
USD747808S1 (en) * 2014-06-20 2016-01-19 Li Ji Orthodontic bracket

Also Published As

Publication number Publication date
KR20060056951A (ko) 2006-05-25
CA2473269A1 (fr) 2005-01-22
US20060252002A1 (en) 2006-11-09
JP4534232B2 (ja) 2010-09-01
WO2005007011A2 (fr) 2005-01-27
KR101008742B1 (ko) 2011-01-14
EP2002798A1 (fr) 2008-12-17
US7204690B2 (en) 2007-04-17
WO2005007011B1 (fr) 2005-07-14
EP1646330B1 (fr) 2012-10-31
EP1646330A2 (fr) 2006-04-19
US7104791B2 (en) 2006-09-12
US20050019719A1 (en) 2005-01-27
CN1826087A (zh) 2006-08-30
CA2473269C (fr) 2010-10-12
EP2002798B1 (fr) 2014-10-22
CN100566675C (zh) 2009-12-09
JP2006528007A (ja) 2006-12-14
WO2005007011A3 (fr) 2005-05-26

Similar Documents

Publication Publication Date Title
US7204690B2 (en) Orthodontic devices for use with arch wires
US6506049B2 (en) Orthodontic brackets and convertible buccal tubes
McSherry et al. Class II correction-reducing patient compliance: a review of the available techniques
US5685711A (en) Self-ligating orthodontic brackets
US6368105B1 (en) Orthodontic bracket and its tool
CA1284040C (fr) Bracket "edgewise" permettant la bascule de la couronne libre et un degre predetermine de redressement de la racine
US5630716A (en) Self-ligating orthodontic brackets
JP5432356B2 (ja) 回転式歯牙結紮カバーを備えている歯列矯正ブラケット
US5711666A (en) Self-ligating orthodontic brackets
US5906486A (en) Self-ligating orthodontic brackets
JP4903502B2 (ja) 改良型矯正用ブラケット
JP5745481B2 (ja) 自己結紮式歯科矯正用ブラケットおよび該ブラケットの設置装置
US20050244781A1 (en) Orthodontic treatment method for concurrent correction of multiple conditions
EP3367956B1 (fr) Verrou orthodontique à élément coulissant de distalisation pour molaire
JP2019520153A (ja) 自己結紮式歯科矯正用ブラケット
JP2009153986A (ja) 舌側保持溝を備えた歯列矯正器具
US6957957B2 (en) Molar appliance for orthodontic therapy
JP7326300B2 (ja) 高い唇側引張強度を有するセラミック自己結紮式ブラケット
JP2018538111A (ja) 自己結紮ブラケット
Mizrahi et al. Auxiliary springs for crown and root movement
Appliance Overlay Arch (Figure 9.8)
JPH0380021B2 (fr)

Legal Events

Date Code Title Description
AS Assignment

Owner name: AUGUSTA DEVELOPMENTS INC., CANADA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HANSON, G. HERBERT;REEL/FRAME:017372/0441

Effective date: 20040715

STCB Information on status: application discontinuation

Free format text: EXPRESSLY ABANDONED -- DURING EXAMINATION