FR2893833A1 - Orthopaedic dentofacial apparatus for correcting malpositions of teeth in dental arch, has labial arch with metallic arch and tubes, and lingual re-habilitation matrix with dimension reversibly expandable by action of patient`s tongue - Google Patents

Orthopaedic dentofacial apparatus for correcting malpositions of teeth in dental arch, has labial arch with metallic arch and tubes, and lingual re-habilitation matrix with dimension reversibly expandable by action of patient`s tongue Download PDF

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Publication number
FR2893833A1
FR2893833A1 FR0511912A FR0511912A FR2893833A1 FR 2893833 A1 FR2893833 A1 FR 2893833A1 FR 0511912 A FR0511912 A FR 0511912A FR 0511912 A FR0511912 A FR 0511912A FR 2893833 A1 FR2893833 A1 FR 2893833A1
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Prior art keywords
vestibular
matrix
arch
lingual
dentofacial
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FR0511912A
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French (fr)
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FR2893833B1 (en
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Stephane Valero
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Stephane Valero
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/14Brackets; Fixing brackets to teeth
    • A61C7/18Brackets; Fixing brackets to teeth specially adapted to be fixed to teeth with a band; Bands therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12Brackets; Arch wires; Combinations thereof; Accessories therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/28Securing arch wire to bracket
    • A61C7/282Buccal tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/10Devices having means to apply outwardly directed force, e.g. expanders

Abstract

The present invention relates to a dentofacial orthopedic appliance characterized in that it has: at least one functional vestibular arch supported on a left molar and a right molar of the patient, said molars being located on the same arch dental - a lingual matrix (12) of rehabilitation comprising at least one reversibly expandable dimension under the action of the tongue of the patient, said matrix being held in place in the mouth of the patient by means of a fixing device positioned on the Palatine face of upper molars located on both sides of the dental arch.

Description

The invention relates to a dentofacial orthopedic appliance in two

  parts. Orthodontic aims to correct the malpositions of the teeth in order to place them in a position of aesthetic and functional harmony on the 5 dental arches. Vestibular orthodontics, in which the teeth are displaced by bearing on their outer face, has been used for many years, this therapy is the oldest and most commonly used, however it has the major disadvantage of being unsightly. , the wearing of the corrective apparatus being indeed clearly visible. The correction of the position of the teeth on the dental arches is also possible by a so-called lingual orthodontics in which the bearing points are made on the inner face of the teeth. Lingual orthodontic techniques were developed in the early 1980s by Dr. Kurz and various apparatuses usable for this therapy have been described in US Pat. Nos. 4,337,037, 4,354,833, 4,386,908 and 4,669,908. 981. Vestibular and lingual orthodontics as practiced heretofore require the installation of rings or brackets glued to each tooth so as to form arches and to tension the various arches to correct the entire arch. dental therapy, this therapy requires important work for the practitioner and oral hygiene of the patient to be maximum in order to avoid cavities. Vestibular orthodontics thus presents a clear problem of aesthetics and cumbersome treatment in terms of psychological cost and difficulty for the patient undergoing treatment. Lingual orthodontics with placement of an apparatus linking the teeth together also has the disadvantage of cumbersome treatment but with reduced psychological impairment. The irregularity of the linguopalatine faces requires the use of an indirect bonding for the supports of the arcs connecting the teeth to each other, this sophisticated bonding must integrate the four parameters which characterize the position of the fastener: height, angulation, torque and thickness This results in increased complexity of the apparatus and greater difficulty of positioning and adjustment during treatment.

  The invention therefore aims to solve these major difficulties related to traditional therapies by providing an apparatus for use in a neuromuscular education therapy to correct the bad habits of the muscles and oral functions of the patient and cause a movement of the teeth on the dental arches. This therapy is particularly well adapted in the growth phase of adolescence and can be complementary or substitute for the usual treatments. The present invention relates to a dentofacial orthopedic apparatus 10 characterized in that it has: at least one functional vestibular arch supported on a left molar and a right molar of the patient, said molars being located on the same dental arch. a rehabilitative lingual matrix comprising at least one reversibly expandable dimension under the action of the patient's tongue, said matrix being held in place in the patient's mouth by means of a fixation device positioned on the palatal surface of upper molars located on both sides of the dental arch. The advantages of the dentofacial orthopedic appliance according to the invention are numerous: • The device is invisible from the outside, even when the patient is smiling, this aesthetic aspect is determining for many people. • The installation of the device is significantly faster than the installation of traditional equipment with anchoring points on many teeth and delicate positioning of the fasteners. • The period of adaptation is limited and the patient quickly loses the perception of the equipment, which greatly reduces the psychological discomfort related to the duration of treatment. 30 • The installation of the device avoids dental emulsions in a large number of cases. • The possibility of specific adjustment of each component of the apparatus allows an increased precision of the dental movements, the apparatus being individualized to best adapt to the patient. • Due to the equipment, its shape and the limited number of anchoring points on the teeth, the injuries of the tongue are reduced. • The device allows neuromuscular reconditioning 5 durably favorable. • The patient can easily follow the progress of the treatment and the resultant change in aesthetics, which is not the case in vestibular orthodontic treatment. Other features and advantages of the invention will be apparent from the following description with reference to the accompanying drawings which are given by way of non-limiting examples. Figure 1 is a side view of the upper functional vestibular arch positioned on the dental arch. Figures 2 and 3 illustrate the positioning of the vestibular tube on the molar rings and the orientation of the upper functional vestibular arch. Figure 4 shows a perspective view of the vestibular tube. Figure 5 shows a sectional view of the vestibular tube containing the metal arch. Figure 6 shows the vestibular cleat of the vestibular tube as arranged on the molar ring and a partial sectional view along the plane A-A. Figure 7 shows a device for extending the upper vestibular arch. Figures 8 and 9 illustrate another device for extending the vestibular arc in a side view and in a view from below. Figure 10 shows a section of the lingual matrix positioned in the oral cavity along a median vertical plane, in front view. Figure 11 illustrates a side view of the lingual matrix positioned in the oral cavity. Figures 12 to 14 show views from different angles of the lingual matrix according to a first embodiment.

  FIG. 15 is a representation of a metal casing that can be used for expanding the hulls of the lingual matrix according to the first lingual matrix variant. FIGS. 16 to 18 illustrate a flexible monocoque lingual matrix viewed from different angles, according to another variant embodiment. Figures 19 and 20 show a palatal tube in a perspective view and in sectional view. Figure 21 shows a palatal cleat arranged on a molar ring and a partial sectional view along the plane B-B. FIG. 22 shows the device for fixing a metal extension for holding the lingual matrix. Figure 23 shows the lingual matrix in position in the oral cavity with metal extensions used as fixing means. Functional therapy employing an apparatus according to the invention aims to correct bad habits of the muscles and oral functions, in particular because of the fact that a functional imbalance has consequences on the morphology which can lead to bone deformations and abnormalities at the level of the body. the position of the teeth. The apparatus according to the invention advantageously entails a reeducation of the disturbed functional context, the main dysfunctions being an oral breathing, an atypical swallowing, an incorrect position of the lingual rest, a lack of lingual tone, these dysfunctions being often associated with a bad condition. articulatory position. The apparatus according to the invention therefore aims to restore the proper masticatory, phonatory, respiratory and swallowing functions by improving the esthetics of the patient through the correction of the abnormal functions of the orofacial muscles. Thus according to the invention the dentofacial orthopedic apparatus comprises at least one functional vestibular arc, this arch can be placed on the upper or lower dental arch or more generally on both. The operating principle of the vestibular functional arch is to modify the muscular forces of the patient's cheeks. The functional vestibular arch will allow the perception of cheek pressure forces and their re-education by the patient.

  The hyperpressions of the cheeks during and between swallowing will cause irritation of the mucosa by rubbing against the functional vestibular arch. These irritations will lead the patient to gradually limit the contraction of the muscles of the cheeks during and between swallowing. The irritations disappear when the patient manages to swallow without contraction of the cheeks, which happens during the physiological adult swallowing. The vestibular arch is passive, it does not exert direct force on the teeth of the patient. It is the modification of the patient's own forces that allows the development of the maxillae. Figure 1 illustrates the positioning of the superior functional vestibular arch in the patient's mouth and the fact that the vestibular arch consists of four essential parts: A flat metal arch 1 from the right molar ring 2 to the 15 molar ring left. - Two vestibular tubes 3 for maintaining the metal arc 1 on each molar ring 2. - Two molar rings 2 each having a vestibular cleat facilitating the placement and fixation of the vestibular tube 3. 20 A means of adjusting the elongation functional vestibular arch for its adaptation to the development of the maxillary. The vestibular arch shown in Figure 1 follows the contour of the upper arch at the level of the collars of the second and first premolars, then from the canines the arch rises above the neck 25 of the incisors so as not to be visible when smiling. The functional vestibular arch has a V-shaped medial loop in the area of the upper labial brake to prevent injury to the labial lip. The distance between the metal arc 1 and the gingiva is about 2 mm. This metal arc 1 is adjusted from the patient's fingerprints. In the same way, the lower vestibular arch, not represented by a figure, is positioned between the left molar and the right molar and also comprises the essential parts described above. The lower functional vestibular arch follows the vestibular contour of the lower arch just above the collars of the second and first premolars, then from the canines the arch rises to come in front of the middle of the buccal face of the incisors.

  Figure 2 is an enlarged view showing the placement of the functional vestibular arch on the upper left molar of the patient. FIG. 3 is a view from below of the same upper left molar showing the fixation, the shape and the orientation of the arc on the molar ring 2. It is notably illustrated that the metal arch 1 forms an elbow before penetrating in the vestibular tube 3. More precisely the metal arc 1 is a flat wire of rectangular section with rounded edges, a thickness of about 1 mm and a height of about 2 mm.

  Such a flat wire has many advantages over the use of a round wire especially due to the fact that the distribution of supports is more favorable and the patient is less frequently injured by the apparatus, the end of the Metallic arch 1 enters the vestibular tube 3 disposed on the molar ring 2 to a bayonet-shaped stop pointing outwardly and upwardly. The metal arch 1 is simply held in the vestibular tube 3, so that the extraction of the functional vestibular arc by the patient is easy. Each vestibular tube 3 is fixed by techniques known in the art on the buccal cleat 4 arranged on the molar ring 2. This vestibular cleat 4 is shown in FIG. 6. FIGS. 4 and 5 show the shape of the vestibular tube 3. FIG. 4 is a perspective view of the tube as positioned on the upper left molar ring, with in particular the orientation of its placement relative to the mesial direction M, in the distal direction D, to the upper part S and lower I. Unlike the existing tubes, of round shapes, for fixing the auxiliaries, the specific vestibular tube of the invention has a rectangular internal recessed section 5. The height of the tube H allows 30 'introduction of the metal arc 1 with a minimum vertical clearance, that is to say a height H just above the height of the flat wire, as shown in Figure 5. The internal recessed section 5 is provided with a length L large relative to the thickness of the flat wire so as to allow a significant transverse movement, typically of the order of 2 mm. 7

  The vestibular tube 3 further comprises a recess 6 allowing the passage of a wire of a conventional apparatus connecting the teeth together. Such a recess can be configured in different ways and designed to be convertible or not without departing from the scope of the invention. This recess 6 allows the combination of the apparatus according to the invention with a conventional multi-bag treatment. Figure 4 shows the distal and mesial extensions 7 for welding the vestibular tube to the vestibular cleat 4. This welding operation is known per se in the field.

  The positioning of the vestibular tube 3 on the molar ring 2 must be performed with great precision. For this purpose there is provided a vestibular cleat 4 secured to the molar ring, that is to say formed during the manufacture of said molar ring, having a relief in overthickness in the form of a cross, as shown on Figure 6, the relief being of prismatic shape on each branch of the cross. The adjustment vestibular tube - cleat is performed optimally by providing a hollow form 8, complementary to that of the cross, on the face in contact with the vestibular cleat 4. It is obvious that it can be envisaged multiple forms complementary interlocking allowing precise positioning of the vestibular tube on the buccal stop without departing from the scope of the invention. For the lower molar ring it can also be designed a smooth cleat positioned for example on the lingual surface of said lower molar ring, so as to facilitate the extraction of the ring by means of an instrument conventionally used in the field. Such a lingual stopper forming an integral part of the ring is composed of a rectangular metal allowance, the largest side being horizontal. The lingual cleat has a straight edge on its gingival side that can be hooked by the jaws of the pliers to unclog, which allows easy removal of the ring after nude fitting of the latter on the tooth of the patient or after sealing. The other three edges are rounded and blend into the ring to hang the tongue as little as possible when functional rehabilitation places it against the palate and dental arches.

  According to the invention there is provided a means of adjusting the elongation of the vestibular arc functional for its adaptation to the development of the maxillary, different modes of adjustment can be provided and in particular: • it is envisaged to place loops on the metal arc 1, as shown in Figure 1, said loops can be reinforced or flattened at will, • it can be envisaged also, as shown in Figure 7, to place a cylinder 9 near the end of the metal arc 1 so as to adjust the length by simply screwing or unscrewing, • it can also be designed a metal arc end fitting into a tube 10 as shown in Figures 8 and 9, the two nested portions being slidable relative to each other for length adjustment. Fixing between the two sliding parts can be performed in a conventional manner by any ligature in the piercing points 11. Other means of extending the functional vestibular arc are conceivable without departing from the scope of the invention.

  The dentofacial orthopedic apparatus comprises at least one functional vestibular arch and a lingual rehabilitation matrix, this matrix is in the form of a shell fitted to the walls of the oral cavity. The mode of operation of the lingual matrix is through patient awareness of the position and dynamics of his tongue, learning and re-education of adult lingual function. The patient will learn to position his tongue in the matrix and to control an expansion of it. It is the perception of this expansion that will allow this awareness by the patient. The tongue should push upwards and to the sides of the palate and also against the dental arches without interfering. This learning is done during swallowing but also between swallowing. The resting tongue may learn to exert negative pressure, or suction, such as during suckling or primary swallowing. The lingual matrix will prevent the interposition of the tongue between the arches and the suction of the cheeks that results. The lingual matrix works in synergy with the vestibular juvenile arch.

  The lingual matrix for containing the tongue is made from the plaster casts of the patient. Figures 10 and 11 illustrate the positioning of the lingual matrix 12 in the patient's mouth, against his palate 13.

  Figure 10 is a vertical section in a plane perpendicular to the contact plane of the teeth and in front view which illustrates the inverted U-shape of the matrix in this part of the mouth. Figure 11 is a sectional view in a lateral vertical plane showing the generally trapezoidal and concave shape of the matrix so designed to perfectly fit the oral cavity. The hollow zone 14 of this lateral part being very close to the dental arches. Thus the outer walls of the matrix will correspond in the upper part to the hard palate 13, in the lateral parts to the lingual surface of the teeth of the upper and lower arches, in the lower part to the inner face of the mandible 15. The limits of the lingual matrix are posterior to the hard palate - soft palate, and at the bottom position to about 5 mm below the neck of the teeth of the lower arch. The lingual matrix should be thin, about 1 to 2 mm thick, and expandable to fully perform its rehabilitative role. According to the invention the matrix may be provided expandable in different ways, it may in particular be envisaged a two-part lingual matrix and links providing mobility between the parts, an example of such a device is shown in Figures 12 to 14 More specifically, the lingual matrix in this variant comprises two shells 16, 17, illustrated in an upper view in FIG. 12 and in front view in FIG. 14. The shells are symmetrical with respect to the vertical plane passing through the mouth and the larynx. . Figure 13 illustrates a side view of the shell 16 with the recessed area 14 of the concave portion. In this variant, the two shells 16 and 17 are interconnected by means of two metal housings 18, shown in section in FIG. 15. Said metal housings comprise two sliding parts relative to one another and a return spring. 19 bringing the hulls back to a contiguous position of rest.

  In order to achieve the expansion of the lingual matrix it can also be envisaged a matrix with a single shell flexible deformable material. The deformability of the flexible material under the action of the tongue can thus be obtained according to several techniques: it can for example be envisaged to reduce the thickness of material in desired parts to create the expandable zones, especially in the upper part of the palate or in the zone of the dental arches, it may also be envisaged to drill holes in the material so as to favor its local deformability in the medial and lateral zones, such a solution is shown in FIGS. have the pierced flexible shell, in a top view in FIG. 16, in side view in FIG. 17, and in front view in FIG. 18. Such a flexible shell that can be used according to one or the other of the two preceding variants can for example be manufactured by thermoforming a plastic. In order to maintain the lingual matrix positioned in the patient's mouth, it is advantageous to maintain a firm hold between the lingual matrix and the upper dental arch. For this purpose, it is provided in the invention a fixing device positioned on the palatal surface of a molar located on each side of the upper dental arch. This fixing device between the lingual matrix and the tooth comprises at least two elements: an element fixed on a molar ring, an element disposed on the lingual matrix or connecting it to the element fixed on the molar ring. According to a first variant illustrated in FIGS. 19 to 23, the element fixed on the molar ring 20 is an assembly constituted by a palatal cleat 21 welded with a palatal tube 22. The palatal cleat shaped on said molar ring 20 in one piece when it is manufactured is shown in Figure 21. 11

  The palatal tube 22 illustrated in Figures 19 and 20 has a half-moon section whose flat side is against the molar ring, two fins 23 and 24 and a prismatic relief 25 for positioning the palatal tube 22 on the palatal cleat 21 .

  The palatal cleat 21 allows precise positioning of the palatal tube 22 prior to welding. Which welding is favored by the presence of the fins 23 and 24. As shown in Figure 21 the palatal cleat 21 has a recessed groove 29, of triangular section shown in the partial section along the plane BB, complementary shape prismatic relief 25 carried by the flat portion of the palatal tube. According to the invention and this first variant of fixation, the lingual matrix is held in position in the patient's mouth by means of a metal extension 26 illustrated in FIGS. 22 and 23. The metal extension 26 fits into the palatal tube. 22, at one end, and supports the lower portion 28 of the lingual matrix by a hook 27 at the other end. The metal extension may advantageously comprise a head configured to precisely adjust to the internal conformation of the palatal tube and thus prevent any unwanted movement of the lingual matrix in the oral cavity. The metal extension 26 is removable, it can be removed when the patient no longer needs it. According to a second variant of attachment of the lingual matrix, the element fixed on the molar ring 20 may also be an assembly having a cavity comprising holding means for a relief counterpart, which counterpart being snap-fit or nestable in said cavity by pressure or screwing. According to a third variant of attachment of the lingual matrix the element fixed on the molar ring 20 may be a hollow or raised metal structure intended to be assembled with a counterpart of complementary shape carried by the lingual matrix, said complementary shape being magnetized. Maintaining the lingual matrix in position in the oral cavity by means of an upper molar equipped with such a ring thus being made by magnetization. According to the three variants previously envisaged, the lingual matrix can be easily removed from the oral cavity by the patient himself.

  The treatment of patients by means of an apparatus according to the invention requires at least one vestibular arch, in the usual way the lower and upper vestibular arches will be used jointly and in synergy with the lingual matrix.

  Depending on the patient, it may be possible to position the upper molar rings as anchor points for the vestibular arch and for the lingual matrix on the same tooth or on different teeth. If the two parts of the apparatus are fixed on the same tooth the molar ring will have on its outer face the buccal cleat and on its inner side the palatal cleat. Whatever the variant adopted by the practitioner can in all situations be provided a means facilitating the extraction of the molar ring, this means may be a smooth cleat not carrying tube and configured as described above or a specific conformation of a tube support cleat, without departing from the scope of the invention. Numerous variations are possible and complementary elements may be added to the functional vestibular arches or to the lingual matrix without departing from the scope of the invention. For example, lateral protection can be envisaged, in the form of a plastic or silicone plate which can be clipped onto the arc to protect the patient from contact with the wire, or of the device allowing the elongation of the arc. , with the lips. It can also be envisaged various materials to form the metal arc, various polymers to form the lingual matrix and forms quite varied for it.

  Of course, the invention is not limited to the embodiments described and represented by way of examples, but it also includes all the technical equivalents as well as their combinations.

Claims (22)

  1-dento-facial orthopedic apparatus characterized in that it has at least one functional vestibular arch, - a lingual matrix (12) of rehabilitation.
  2- The dentofacial orthopedic appliance according to claim 1 wherein the vestibular arc is composed of four essential parts: A metal arc (1) from the right molar ring (2) to the left molar ring. Two vestibular tubes (3) fixed on each molar ring (2) 10 for holding each end of the metal arc (1) inside an inner recessed portion (5). - Two molar rings (2) each having a vestibular stop (4) facilitating the placement and fixation of the vestibular tube (3). A means of adjusting the elongation of the vestibular arch 15 functional for its adaptation to the development of the maxillary.
  3- dento-facial orthopedic apparatus according to claim 2 wherein the metal arc is flat, of rectangular section.
  4- dentofacial orthopedic apparatus according to claim 2 wherein the inner recessed portion (5) of the vestibular tube (3) is of rectangular section.
  5-dentofacial orthopedic apparatus according to claim 4 wherein the internal recessed portion (5) of the vestibular tube (3) is oversized in length L so as to allow a lateral deflection of the end of the metal arc (1). 25
  6-dentofacial orthopedic apparatus according to claim 2, 4 or 5 wherein the vestibular tube further comprises means for connecting the tooth to a neighboring tooth, for example by means of a wire, so as to render compatible said orthopedic apparatus with devices conventionally posed to modify the dental arch. 30
  7- dentofacial orthopedic apparatus according to claim 2 wherein the vestibular cleat (4) is an integral part of the molar ring (2).
  8- dentofacial orthopedic apparatus according to claim 7 wherein the buccal cleat (4) is smooth on its surface.
  9- dentofacial orthopedic apparatus according to claim 7 wherein the buccal cleat (4) has a recessed relief or extra thickness on its surface for the precise positioning of a complementary shape carried by the vestibular tube (3).
  10- dentofacial orthopedic apparatus according to claim 2 wherein the means for adjusting the elongation of the functional vestibular arc is formed by loops of the metal arc (1).
  11- The dentofacial orthopedic appliance according to claim 2 wherein the means for adjusting the elongation of the functional vestibular arc is formed by a device of the jack type or an interlocking tube device adjustable with respect to the other and maintained by a ligature.
  12. The dentofacial orthopedic appliance according to claim 1, wherein the lingual reeducation matrix (12) comprises at least one reversibly expansible dimension under the action of the patient's tongue.
  13- The dentofacial orthopedic appliance according to claim 1 wherein the lingual matrix (12) of rehabilitation is held in place in the patient's mouth by means of a fixation device positioned on the palatal surface of upper molars located on both sides of the dental arch.
  14- dentofacial orthopedic apparatus according to claim 13 wherein the fixing device comprises at least two elements: an element fixed on a molar ring (20), - an element disposed on the lingual matrix (12) or connecting this one to the element fixed on the molar ring (20).
  A dentofacial orthopedic apparatus according to claim 14 wherein the member attached to the molar ring (20) is an assembly consisting of a palatal cleat (21) formed on said one-piece molar ring (20). and welded with a palatal tube (22).
  16- dentofacial orthopedic apparatus according to claim 15 wherein the palatal tube (22) comprises a half-moon section whose flat side is against the molar ring (20), two fins (23, 24) and a prismatic relief (29) allowing precise positioning of the palatal tube (22) on the palatal cleat (21).
  17- A dentofacial orthopedic appliance according to claims 15 or 16 wherein the lingual matrix (12) is held in position in the mouth of the patient by means of a metal extension (26) fitting into the palatal tube ( 22) at one end, and supporting the lower portion (28) of the lingual matrix (12) by means of a hook (27) at the other end.
  18- dentofacial orthopedic apparatus according to claim 14 wherein the element fixed on the molar ring (20) is an assembly having a cavity comprising holding means for a relief counteractable snap or nestable in said cavity by pressing or screwing.
  19- dentofacial orthopedic apparatus according to claim 14 wherein the element fixed on the molar ring (20) is a hollow or raised metal structure intended to be assembled with a counterpart complementary shape carried by the matrix lingual (12), said complementary shape being magnetized.
  20- dentofacial orthopedic apparatus according to claim 12 wherein the lingual reeducation matrix (12) is a rigid matrix comprising two hinged hulls (16, 17) assembled by means of two metal housings (18) sliding, each housing metal (18) having a return spring (19).
  21- dentofacial orthopedic apparatus according to claim 12 wherein the lingual matrix (12) of rehabilitation is formed in one piece in a flexible material, the deformability of the structure in predetermined areas being obtained either by means of holes in the material, either by means of variations in the thickness of the flexible material.
  22. A dentofacial orthopedic appliance according to claim 1 wherein the upper vestibular arch and the lingual matrix (12) are held in position on each side of the upper dental arch of the patient by means of a single molar ring. having cleats of different shapes on both the vestibular and palatal surfaces of said ring.
FR0511912A 2005-11-25 2005-11-25 Dento-facial orthopedic apparatus. Active FR2893833B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2827795A4 (en) * 2012-03-23 2015-11-18 Joaquín T Ariza Tube for orthodontics

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EP0182387A1 (en) * 1984-11-23 1986-05-28 Pecanov, Atanas, Dr. med. dent. Device for preventing inarticulate noises in the pharyngo-oral cavity
US5376001A (en) * 1993-05-10 1994-12-27 Tepper; Harry W. Removable orthodontic appliance
EP1360941A1 (en) * 2002-05-10 2003-11-12 Klaus Weissbach Otte Dental appliance
WO2004108028A1 (en) * 2003-06-09 2004-12-16 Haidong Chen Removable intra-oral corrective anti-snoring device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0182387A1 (en) * 1984-11-23 1986-05-28 Pecanov, Atanas, Dr. med. dent. Device for preventing inarticulate noises in the pharyngo-oral cavity
US5376001A (en) * 1993-05-10 1994-12-27 Tepper; Harry W. Removable orthodontic appliance
EP1360941A1 (en) * 2002-05-10 2003-11-12 Klaus Weissbach Otte Dental appliance
WO2004108028A1 (en) * 2003-06-09 2004-12-16 Haidong Chen Removable intra-oral corrective anti-snoring device
EP1645252A1 (en) * 2003-06-09 2006-04-12 Haidong Chen Removable intra-oral corrective anti-snoring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2827795A4 (en) * 2012-03-23 2015-11-18 Joaquín T Ariza Tube for orthodontics

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FR2893833B1 (en) 2008-08-08

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