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WO2014017645A1 - Orthodontic device - Google Patents

Orthodontic device

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Publication number
WO2014017645A1
WO2014017645A1 PCT/JP2013/070361 JP2013070361W WO2014017645A1 WO 2014017645 A1 WO2014017645 A1 WO 2014017645A1 JP 2013070361 W JP2013070361 W JP 2013070361W WO 2014017645 A1 WO2014017645 A1 WO 2014017645A1
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WO
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Application
Patent type
Prior art keywords
jaw
upper
lower
side
peripheral
Prior art date
Application number
PCT/JP2013/070361
Other languages
French (fr)
Japanese (ja)
Inventor
大塚 淳
Original Assignee
Otsuka Atsushi
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
Family has litigation

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    • 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
    • A61C7/08Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch
    • 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
    • A61C7/36Devices acting between upper and lower teeth

Abstract

The mouthpiece-type orthodontic device of the present invention is configured from: a base (1) that is sandwiched between the rows of teeth (61, 71) of an upper jaw (6) and a lower jaw (7) and that is U-shaped in a planar view; an upper jaw-side outer peripheral wall (2) that protrudes upward from the outer peripheral edge of the base (1) and comes into contact with the upper lip (62) from the inner side thereof; a lower jaw-side outer peripheral wall (3) that protrudes downward from the outer peripheral edge of the base (1), comes into contact with the lower lip (72) from the inner side thereof, and comes into contact with the front teeth section (711) of the lower jaw (7) from the outer side thereof; and an upper jaw-side inner peripheral wall (4) that protrudes upward from the inner peripheral edge of the base (1) and comes into contact with the front teeth section (611) of the upper jaw (6) from the inner side thereof. The inner peripheral surface of the upper jaw-side outer peripheral wall (2) and the outer peripheral surface of the upper jaw-side inner peripheral wall (4) are spaced farther apart than the thickness of the row of teeth (61) of the upper jaw (6). As a result, mandibular prognathism is eliminated or reduced even during the permanent dentition period.

Description

Orthodontic appliance

The present invention relates to a suitable orthodontic appliance to be or reduce eliminate reversed occlusion.

In the present invention, "anterior" left and right central incisor, lateral incisor and canine (1st-3rd, when the permanent teeth), milk central incisor, milk side incisor and milk canine (A-C, deciduous the case), the "molar part" left and right first premolar, second premolar, first molar, second molar and third molar (4th-8th, when the permanent teeth), first deciduous molar and second deciduous molars (D and E, when the deciduous) the mean, respectively. And, referred to as the "anterior" and the left and right of the "teeth" of the upper jaw or lower jaw together and a "molars".

Reversed occlusion (prognathism) not only deteriorate the appearance, since the movement of the lower jaw is limited, there is a problem that causes pain of the lower jaw (TMD). In addition, in the case of children, there is also a possibility to inhibit the growth of normal upper jaw, it is preferable to as soon as possible eliminated. Now, conventionally, to eliminate the reversed occlusion (cross bite is cured) or alleviating (alleviate symptoms reversed occlusion to cure with another therapeutic) orthodontic device for have been proposed.

Patent Document 1 discloses an orthodontic device (jaw traction fixing apparatus) called a chin cap type. Orthodontic appliance Patent Document 1 is disclosed, wound around the chin cap the lower jaw from the head attached to the head, by pulling the lower jaw to the rear, to eliminate or reduce the reversed occlusion (Patent Document 1 & Billing in claim 1]). The orthodontic appliance Patent Document 1 discloses a traction direction and traction strength of chin cap, and to more finely adjusted (Patent Document 1, [0024]).

Patent Document 2 discloses orthodontic devices called archwire type (bite correction device). Orthodontic appliance Patent Document 2 is disclosed, widening the Shitakyo upper to elevate the tongue from the inner front of the lower anterior teeth, a contact portion for contact with the lower jaw inside which is inside of the lower jaw molars, the contact portion and a biasing unit that biases the direction, composed of wire with a resilient (Patent Document 2 · [claim 1] [0022]). Urging portion presses the lower jaw from the inside in the lateral widening direction through the resin pad (Patent Document 2 · [0026]).

Patent Document 3 discloses an orthodontic device (tongue and lower jaw position orthodontic trainer) called mouthpiece type. Orthodontic appliance Patent Document 3 is disclosed, the teeth fitting portion can fitted into dentition of the upper jaw, the tongue position corrective portion formed by bulging downward from the dentition engagement unit , a thermoplastic elastomer having flexibility is comprised of (styrene resin) (Patent Document 3 · [claim 1]). The upstanding portions of the teeth engaging portion cutout portion which can fit in the upper lip small band, the tongue position corrective unit notch can fit the tongue frenulum is provided respectively (JP 3 - [claim 3]).

JP 2006-020907 JP (Chin cap type) JP 2011-115316 JP (archwire type) Registered Utility Model No. 3153815 publication (mouthpiece type)

Orthodontic devices to be or reduce eliminate reversed occlusion, where the opposition bite is available from the infant of natural healing that did not deciduous dentition period (around 3 years of age) and later, orthodontic devices of chin cap type (Patent Document 1) orthodontic devices and archwire type (Patent Document 2), the burden on the infant is too large, it was not very preferable as a therapeutic means. In addition, orthodontic devices chin cap type (Patent Document 1), the mounting state is visually recognized from the outside, was not good visual quality.

Furthermore, orthodontic appliances legacy mouthpiece type is made of hard resin, or a necessary pre-patient's teeth type templating of, since it is difficult to deform, discomfort had no small and attached to the oral cavity. However, orthodontic appliance of the mouthpiece type Patent Document 3 discloses a flexible and constructed from a thermoplastic elastomer having (styrene resin), adapted to the oral cavity without requiring adjustment work, to reduce discomfort to obtain the effect (Patent documents 3, [0011]).

Patent Document 3 orthodontic device mouthpiece type disclosed is lower raised position by the tongue tongue position corrective part in oral periphery by abutting the teeth engaging portion from the inside to the gums of teeth of the upper jaw trimmed of muscle function, promote the growth of the upper jaw, by suppressing the growth of the lower jaw to the contrary, to eliminate or reduce the opposite bite. As described above, orthodontic devices mouthpiece type Patent Document 3 discloses, sometimes adaptable to oral without requiring adjustment work, especially on the patient's reversed occlusion from deciduous dentition stage to the mixing dentition initial It is frequently used as a suitable orthodontic appliance.

However, orthodontic appliance of the mouthpiece type Patent Document 3 discloses lifts the tongue by tongue position correction section, the teeth engaging portion is brought into contact with the gums, only established a muscle function around the mouth , because it is not intended to correct the opposite bite aggressively, could not particularly exhibit a sufficient corrective action relative to the patient's permanent dentition period or later. Therefore, even in the permanent dentition stage, the orthodontic appliance of the mouthpiece type which can eliminate or reduce the reversed occlusion was examined.

Was developed result of the examination is, in plan view U-shaped base which is sandwiched between the teeth of the upper jaw and lower jaw, the upper jaw side peripheral wall abuts from the inside to the upper lip projects upwardly from an outer peripheral edge of said base, said base It abuts from the inside to the lower lip from an outer peripheral edge projecting downward, and the lower jaw side peripheral wall abuts from the outside to the anterior portion of the lower jaw, from the inside to the anterior of the upper jaw protrudes upward from an inner peripheral edge of the base equivalent of the is composed of a contact jaw side inner wall, an orthodontic apparatus characterized by the outer peripheral surface of the inner peripheral surface and the upper side inner wall of the maxillary side outer peripheral wall is away from the thickness of the teeth of the upper jaw.

In the present invention, "outside" the labial or buccal side across the teeth of the upper or lower jaw, "the" Conversely means respectively palatal or lingual side across the teeth of the upper or lower jaw. Now, the upper jaw side peripheral wall, "outer peripheral surface" of the respective lower jaw side peripheral wall or maxillary side inner circumferential wall buccal molar portion of the peripheral surface and the left and right on the labial side of the peripheral surface (anterior facing outside the teeth the circumferential surface) in the likewise "inner peripheral surface" means surfaces circumference facing the inside of the teeth (the circumferential surface on the palatal side or lingual side of the molar teeth of the anterior and lateral), respectively.

Orthodontic appliance of the present invention, when the mounted in the oral cavity so as to bite the basis dentition of the upper jaw and lower jaw, the synergy of the upper jaw side outer peripheral wall, and each work mandibular side peripheral wall and the upper side inner wall work by, to eliminate or reduce the opposite bite. Maxillary outer peripheral wall, upper lip is abutting from inside, upper lip to be pulled orbicularis muscle top to avoid exposure to anterior maxillary, the upper lip so as not to disturb the growth of the upper jaw. Lower jaw side peripheral wall abuts from the inside to the lower lip, and brought into contact from the outside to the front teeth of the lower jaw, while suppressing the growth of the lower jaw, pressing toward the lower lip outward, the closed mouth encourage the development of the mouth ring muscle bottom give the load to the lower lip. Maxillary side inner circumferential wall is in contact with the inside anterior of the maxillary those push toward the anterior portion to the outside, assist the growth of the upper jaw.

Orthodontic appliance of the present invention, as described above, by the synergistic action of the function as the respective work each part, in order to eliminate or reversed occlusion is not exactly required to meet the patient's mouth, if stably attached to the oral cavity good. Now, as can be omitted templating, base, maxillary lateral peripheral wall, the lower jaw side peripheral wall and the upper side inner peripheral wall may be integrally molded with resin material having an elastic or flexible. Accordingly, the orthodontic appliance of the present invention absorbs by deformation of each part some misalignment, can be directly utilized for a number of patients without templating tooth type. Further, since the respective parts are provided with elastic or flexible, bite the basis dentition of the upper jaw and lower jaw can be stably attached to the oral cavity.

Lower jaw side peripheral wall extends along the base, provided on the inner peripheral surface of the lower support strip abutting the outer front teeth of the lower jaw, partially abut the cross the top of the lower supporting strip in the anterior of the lower jaw it may be. Lower support Article, while allowing the growth of the anterior portion of the mandible, to correct the alignment of the anterior to abut entirely equal. If the lower supporting strip there are multiple, anterior mandibular correct the arrangement of the anterior to abut equal to following surface includes a cross section top of all lower supporting strip. Now, when the lower supporting strip there are multiple, by changing the angle of the scanning surface by adjusting the height of each cross top by cutting each lower support strip to separate, the correction degree of the anterior of the lower jaw finely It can be adjusted.

Similarly, the upper jaw side inner wall extends along the base, provided on the inner peripheral surface of the supporting strip on abutting from inside the anterior maxillary, partial cross-sectional top of the upper supporting strip to the anterior of the upper jaw may abut on. Upper support Article, while allowing the growth of the anterior maxillary, correcting the arrangement of the anterior to abut entirely equal. When the upper supporting strip there are multiple, anterior of the upper jaw to correct alignment of the anterior to equalize abut the following surface includes a cross section top of all the upper support strip. Now, if the upper support strip there are multiple, by changing the angle of the scanning surface by adjusting the height of each section top abrading at each of the upper support strip to separate, the correction degree of the anterior portion of the upper fine It can be adjusted.

Base extends from the inner circumferential edge downward, may be provided with tongue position corrective flange slips the tongue downward. Tongue position corrective flange, notch configuration and in plan view U-shaped having a avoid tongue frenulum, the configuration or the like provided pair to avoid the tongue frenulum can be exemplified. Tongue position corrective flange away tongue tip from anterior mandibular, to eliminate the state in which the anterior portion is the lower jaw is pushed is pushed by the tongue tip. If you add the tongue position corrective flange, base, maxillary lateral peripheral wall, the lower jaw side peripheral wall, the upper jaw side inner circumferential wall and the tongue position corrective flange, when integrally molded with resin material having an elastic or flexible, above Similarly, or the templating unnecessary when forming the orthodontic device of the present invention, the only so the correction device can be mounted stably in the oral cavity.

Orthodontic apparatus of the present invention, not only adjust the muscle function of the peripheral mouth, has the effect of correcting the opposite bite aggressively. This is the force of the upper lip by orbicularis muscle top by abutting from inside the upper lip so as not applied to the anterior of the upper jaw, upper lip acts of development of not disturbing maxillary outer peripheral wall of the upper jaw, from the inside to the lower lip abut, and brought into contact from the outside to the front teeth of the lower jaw, while suppressing the growth of the lower jaw, pressing toward the lower lip outside and encourage orbicularis muscle bottom developmental giving load through the lower lip Functions of the lower jaw side peripheral wall, and pushing toward the anterior of the upper jaw to the outer, and the action of the upper jaw side inner wall to assist the growth of the upper jaw, which is the effect of synergism of these works.

Further, the upper jaw side peripheral wall, as described above, the action of the lower jaw side peripheral wall and the upper side inner wall, beyond the mixed dentition and early deciduous dentition stage is effective even in permanent dentition stage, broad timing than the conventional over, resulting in an effect that can overcome or reduce the reversed occlusion. Tongue position corrective unit, release the tongue tip from anterior mandibular, by preventing anterior mandibular is pressed to the tongue tip, the effect in particular as the action of the lower jaw side peripheral wall is sufficiently exhibited a. In addition, the orthodontic appliance of the present invention, by integrally molding a resin material having elasticity or flexibility, eliminates the need for templating, because it increases the mounting stability of the oral cavity, a wide range of time and compared with the conventional for different users, to obtain the effect that can overcome or reduce the reversed occlusion.

It is a plan view of the orthodontic device which is an example of the present invention. It is a bottom view of the orthodontic appliance of the present embodiment. It is a front view of the orthodontic appliance of the present embodiment. It is a rear view of the orthodontic appliance of the present embodiment. It is a left side view of the orthodontic appliance of the present embodiment. It is a right side view of the orthodontic appliance of the present embodiment. It is a longitudinal cross section view of the orthodontic appliance of the present embodiment. Is a 7 corresponding longitudinal cross section view of a part omitted in the upper jaw side inner circumferential wall and the tongue position corrective flange. It is a lateral cross section view of the orthodontic appliance of the present embodiment.

Hereinafter, will be described with reference to the drawings Embodiments of the present invention. Orthodontic appliance of the present invention, as seen in FIGS. 1-6, the base 1, the upper jaw side peripheral wall 2, the lower jaw side outer peripheral wall 3, is the upper jaw side inner circumferential wall 4 and the tongue position corrective flange 5, elastic or soluble It is integrally molded with a silicone resin having FLEXIBLE. Orthodontic appliance of the present embodiment, by absorbing the positional deviation by the deformation of the silicone resin constituting each unit, without requiring templating, a number of patients available as (versatility). Furthermore, orthodontic appliance of the present embodiment, by firmly bite the base 1 with teeth 61 and 71 of the upper jaw 6 and the lower jaw 7 (see rear 掲図 8), the attachment of the oral cavity can be stabilized.

In addition, by integrally molded with a silicone resin having a flexible or elastic, when the orthodontic appliance of the present embodiment is attached to the oral cavity, less pressure on the gums and cheek 9, without causing pain to the patient and there is no risk of damaging the gums and cheek 9. Also, flexible or orthodontic device which is integrally molded with a silicone resin having elasticity is adjusted, for example, the angle of the following surface 411 of the upper support strip 41 of Article formed on the outer peripheral surface of the upper jaw side inner wall 4 If (see FIGS. 7 and 8), the silicone resin easily shaved is advantageous adjustment of the angle it is easy.

Base 1 is a plan view U-shaped part between the teeth 61 and 71 of the upper jaw 6 and the lower jaw 7. Base 1 of the present embodiment is made of silicone resin is several mm thick. In this example, for convenience, the base front 11 portions sandwiched anterior 611 and 711, the portion sandwiched molars 612,712 referred to as the base side portion 12. Base 1 of the present embodiment, the thickness of the base front 11 and the base side portion 12 are equal. However, for example, a difference is provided to both the thickness, in a state in which bite the base side 12 to the posterior teeth 612,712, away anterior 611 and 711 from the base front 11, adds a function to correct open bite malocclusion it may be.

Base side 12, a width of the same magnitude of the lower surface of the upper surface and the lower jaw side of the upper jaw side inner and outer direction and the upper and lower surfaces respectively of the outer periphery and the inner periphery without deviation in the inward and outward, are consistent . Specifically, the inner peripheral surface and the inner circumferential surface of the lower jaw side peripheral wall 3 of the upper jaw side peripheral wall 2 are continuous across the base side 12, also the outer peripheral surface and the tongue position corrective flange of the upper-side inner circumferential wall 4 the outer peripheral surface 5 and are contiguous across the base side 12, the upper and lower surfaces of the base side portion 12 is vertically symmetrical (see Figure 4). Thus, molar teeth 612 of the upper jaw 6, the outer peripheral surface of the upper jaw side inner wall 4 is in contact with the inner and posterior portion 712 of the lower jaw 7, the tongue position corrective flange 5 extending from the inner peripheral edge of the base side portion 12 downward base abuts the inner.

Base front 11 has a wide top surface of the upper jaw side, the lower surface of the lower jaw is narrower vertically asymmetrical (see FIGS. 7 and 8). Upper surface of the base front 11, to distance the inner circumferential surface of the upper jaw side peripheral wall 2 from the outer peripheral surface of the upper jaw side inner circumferential wall 4 is wider. In contrast, the lower surface of the base front 11, in order to contact the outside of the lower jaw side peripheral wall 3 which abut from the inside lower lip 72 on the anterior portion 51 of the lower jaw 7, the lower jaw side outer peripheral wall 3 below and it shifted inward outer peripheral edge of the base front 11 to protrude, and the base of the tongue position corrective flange 5 in order to abut from inside the anterior portion 51, the inner peripheral edge is outside of the base front 11 since the Preface, inside and outside the direction of the width is narrower. As a result, the base front 11, the upper surface of the upper jaw side is wide, the lower surface of the lower jaw side is narrow vertically asymmetrical.

Maxillary outer peripheral wall 2 is a convex arc-shaped cross section of the wall portion toward the outer peripheral edge of the base 1 projects upwardly, outwardly abutting from inside the upper lip 62. Is made of silicone resin present embodiment of the upper jaw side peripheral wall 2 is several mm thick. Maxillary outer peripheral wall 2 of the present example, the size and contour to fit in the buccal cavity of the upper jaw 6 side, parallel to the Hosuji not to compress the cheeks 9 from the inside it is inclined inwardly in the lateral center of the upper edge the upper lip frenulum avoidance recess 21, are respectively provided with a pair of cheek frenulum avoid recesses 22 and 22 symmetrically positioned in the upper edge. End of the upper side peripheral wall 2, so extend far spanning the left and right posterior teeth 611 (see FIG. 8), a possibility that the pressure of the orbicularis muscle top through the upper lip 62 is applied to the teeth 61 of the upper jaw 6 there is no.

Lower jaw side peripheral wall 3 abuts from the inside to the lower lip 72 from an outer peripheral edge of the base 1 and projects downwardly, and outwardly convex arcuate cross section of the wall toward the abutting from the outer front teeth 611 of the lower jaw 6 it is a part. Lower jaw side peripheral wall of the present embodiment is made of silicone resin. 3 is a few mm thickness with the exception of the vicinity of contact with the anterior 711 of the lower jaw 7. Lower jaw side peripheral wall 3 of the present embodiment, as described above, is brought into contact from inside the lower lip 72, the need to contact from outside the anterior portion 51 of the lower jaw 7, and out of the base front 11 direction of the thickness cross section in Yamagata, is thinner toward the base side portion 12 (comparison between FIGS. 4 and 7 or 8). This is the same state as that held against the forward elastic deformation hardly thickness of the silicone resin of the lower jaw 7. Thus, the lower jaw side outer peripheral wall 3 is the lower jaw 7 in particular is suppressed or prevented the growth to be projected forward.

Lower jaw side peripheral wall 3 of the present embodiment is provided with a lower lip frenulum avoid recesses 32 in the lateral center of the lower edge (see Fig. 3). Further, the lower jaw side peripheral wall 3 of the present example, extends along the base 1 is provided with a lower support strip 31 which abuts from the outside to the inner peripheral surface anterior 71 of the lower jaw 7 (see FIGS. 7 and 8) . Lower support strip 31 is a cross-sectional top partially brought into contact with the anterior portion 71 of the lower jaw 7, while allowing the growth of the anterior portion 71 of the lower jaw 7, the anterior 71 to abut entirely equal to correct the list. Degree per lower support strip 31 with respect to anterior portion 71 of the lower jaw 7 is adjusted by cutting the bottom supporting strip 31 partially. Lower support strip 31 of the present embodiment, because it is formed with a silicone resin integrally with the lower jaw side peripheral wall 3, easy scraping.

Maxillary side inner wall 4 projects upwardly from an inner peripheral edge of the base 1 by contacting height anterior 61 of the upper jaw 6, convex arcuate cross section wall toward the abutting outwardly from inside the anterior 61 it is a part. Maxillary side inner peripheral wall of this embodiment is made of silicone resin 4 is several mm thick. Maxillary side inner circumferential wall 4 of the present embodiment is in contact from inside the anterior portion 61 of the upper jaw 6 equivalents, press toward the anterior portion 61 to the outside, assist the growth of the upper jaw. Further, the upper jaw side inner wall 4 in contact with the inner front teeth 61 of the upper jaw 6 prevents the tongue tip 81 of the tongue 8 which is lifted by the action of the tongue position corrective flange 5 pushes the front tooth portion 61 from the inside, to avoid a situation in which the arrangement of the front teeth 61 of the upper jaw 6 is poor.

Maxillary side inner circumferential wall 4 of the present embodiment, instead of the outer peripheral surface abuts directly anterior 61 of the upper jaw 6, at equal intervals on the outer circumferential surface of the downward slope toward the outside, it is provided along the base 1 respectively and each upper cross the top of the support strip 41 of article 3 by abutting from inside the anterior portion 61 of the upper jaw 6 (see FIGS. 7 and 8). Upper support strip 41, while allowing the growth of the anterior portion 61 of the upper jaw 6, to correct the alignment of the front teeth 61 to abut equal overall. Degree per upper support strip 41 with respect to anterior portion 61 of the upper jaw 6 is adjusted by cutting the on the support strip 41 partially. On the support strip 41 of the present embodiment, since integral with the upper jaw side inner circumferential wall 4 is formed with a silicone resin, easy scraping.

On the support strip 41 of the present embodiment is Article 3, and since both are provided at equal intervals on the outer peripheral surface of the down slope outwardly, following surface 411 that includes a cross-sectional top of the entire upper support strip 41 is rectangular it is a down slope toward the. Now, if adjusting the height of each section top abrading at each of the upper support strip 41 into individual or partial, can change the slope angle of the following surface 411, correction so as to abut equal to the following surface 411 correction degree of the anterior portion 61 of the upper jaw 6 to be able to fine-tune.
On the support strip 41 of the present embodiment, since integral with the upper jaw side inner circumferential wall 4 is formed with a silicone resin, easy scraping.

Tongue position corrective flange 5 extends downward from the inner peripheral edge of the base 1, in cross-section curved flange portion to bend gradual change horizontally, the tongue 8 slip downward, away tongue tip 81 from the anterior 711 of the lower jaw 7, wherein to eliminate the state where the lower jaw 7 is pushed anterior 711 is pushed to the tongue tip 81. Tongue position corrective flange 5 of the present example is a plan view U-shaped having a tongue frenulum avoid notch 51 extending in the front-rear direction to the right and left center of the flat portion is divided into left and right by the tongue frenulum avoid notch 51 tongue position corrective flange 5 may be a pair provided configure. Moreover, the tongue position corrective flange 5 may if it has a function of not to stuck to the tongue 8 on the lower jaw 7, may be also or thicker thinner than this example, constituted for example by laminating a plurality of thin plates, the the number of laminated layers may be adjustable.

Tongue position corrective flange 5 of the present example, by contacting the base of the tongue position corrective flange 5 extending from the inner peripheral edge of the base side portion 12 downward from the inward teeth 71 of the lower jaw 7 acts orthodontic also exhibited. Now, as the teeth 71 of the teeth 61 and the lower jaw 7 of the upper jaw 6 are aligned, the tongue position corrective flange 5 of the present embodiment of the present example, the outer peripheral surface and the base of the tongue position corrective flange 5 of the upper jaw side inner wall 4 It is made to match an outer surface inward and outward. Moreover, the tongue position corrective flange 5 of the present embodiment, since the upper jaw side inner wall 4 and the thickness is equal, and the inner surface of the inner peripheral surface and the base of the tongue position corrective flange 5 of the upper jaw side inner wall 4 is continuous, enveloping the tongue to form a space. As a result, the space is to restrain the tongue 8 in the oral cavity, and sealed the movement of the tongue 8 can adversely impact on the correction of malocclusion.

Orthodontic appliance of the present invention, during the awake patient, as seen in FIG. 8, is attached to the oral cavity so as to bite the base 1 with teeth 61 and 71 of the upper jaw 6 and the lower jaw 7, the upper lip 62 and defining a state of closing the mouth so stick the lower lip 72 time (e.g. 1 hour) and is maintained, thereby eliminating or reducing the reversed occlusion. Closing the mouth of the orthodontic appliance is attached to the mouth, but the upper lip 62 is pulled in the orbicularis muscle upper maxillary outer peripheral wall 2 is interposed between the anterior 611 of the upper lip 62 and the upper jaw 6, the upper jaw side forming a gap Δ between the inner peripheral surface of the outer peripheral wall 2 and the front tooth portion 611 (see FIGS. 7-9), it prevents the compression of the upper lip 62 for anterior teeth 611. Maxillary outer peripheral wall 2 has a contour and size corresponding to orbicularis oris top fits into the oral vestibule, eliminating the pressure on the cheek 9 by tilt inside parallel to the cheek muscles, mouth closed mouth It is to reduce the burden of to continue wearing the orthodontic device.

Closing the mouth of the orthodontic appliance is attached to the oral cavity, as seen in Figure 7, between the anterior 711 of the lower lip 72 and the lower jaw 7, the thick lower jaw side peripheral wall 3 inward and outward intervening It will be, at the same time encourage orbicularis muscle bottom developmental giving load on the lower lip 72, preventing the protrusion of the lower jaw 7, inhibiting or preventing the growth of the lower jaw 7. Lower jaw side peripheral wall 3 of the present example is brought into contact with the lower support strip 31 with respect to anterior 711 of the lower jaw 7, to form a gap Δ is formed between the posterior portion 712 of the lower jaw 7 ( see FIG. 7 to FIG. 9). Serves to inhibit or prevent the growth of the lower jaw 7, without closing the mouth, but the orthodontic device obtained when mounted on the mouth, by closing the mouth, are obtained they facilitate the development of orbicularis oris lower . Now, orthodontic appliance of the present invention, while capable of closing the patient consciously mouth, preferably for use in while awake, for example.

Maxillary side inner circumferential wall 4, the upper jaw 6 to anterior 611 press from the inside, in addition to the function of helping the growth of the upper jaw 6, orthodontic directly abutting or upper support strip 41 is to align the anterior portion 611 abuts It has a function. Functions of orthodontic such maxillary side inner wall 2 are those secondary to serve to assist the growth of the upper jaw 6, from the viewpoint of sufficiently exhibiting the function of helping the growth of the upper jaw 6, orthodontic devices the Once attached to the oral cavity, it is preferable not to move the upper jaw 6 and the lower jaw 7. Similarly, also the base of the tongue position corrective flange 5 has a function of orthodontic is mainly acts to merely lift the tongue 8, since it is preferable that the tongue 8 does not move excessively, also the orthodontic appliance oral Once mounted, it is preferred to not move the upper jaw 6 and the lower jaw 7.

1 base 2 maxillary outer peripheral wall 3 mandibular side peripheral wall 4 maxillary side inner peripheral wall 5 the tongue position corrective flange 6 maxillary 61 teeth 7 mandibular 71 teeth 8 tongue 9 cheeks

Claims (6)

  1. In plan view U-shaped base which is sandwiched between the teeth of the upper jaw and lower jaw,
    And maxillary lateral peripheral wall abuts from the inside to the upper lip projects upwardly from an outer peripheral edge of the base,
    And the lower jaw side peripheral wall abuts from the outside from the inside to the lower lip into anterior of contact and lower jaw protrude downward from an outer peripheral edge of the base,
    Consists from inside the anterior maxillary protrudes upward from an inner peripheral edge of the base and abutting the upper jaw side inner wall,
    Orthodontic apparatus characterized by the inner and outer circumferential surfaces of the upper jaw side inner wall of the maxillary side outer peripheral wall is away from the thickness of the teeth of the upper jaw.
  2. Base, maxillary lateral peripheral wall, the lower jaw side peripheral wall and the upper side inner circumferential wall, orthodontic device according to claim 1, wherein integrally formed of a resin material having an elastic or flexible.
  3. Lower jaw side peripheral wall extends along the base, orthodontic device according to any one of claims 1 or 2 provided on the inner circumferential surface of the lower support strip abutting the outer front teeth of the lower jaw.
  4. Maxillary side inner wall extends along the base, orthodontic device according to any one of claims 1 to 3 provided on the inner peripheral surface of the supporting strip on abutting from inside the anterior maxillary.
  5. Base, an inner rim extending downwardly from the orthodontic device according to any one of claims 1 to 4, in which a tongue position corrective flange slips the tongue downward.
  6. Base, maxillary lateral peripheral wall, the lower jaw side peripheral wall, the upper jaw side inner circumferential wall and the tongue position corrective flange, orthodontic device according to claim 5, wherein the integrally formed of a resin material having an elastic or flexible.
PCT/JP2013/070361 2012-07-26 2013-07-26 Orthodontic device WO2014017645A1 (en)

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JP2012165371A JP5623472B2 (en) 2012-07-26 2012-07-26 Orthodontic appliance

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