CN217310640U

CN217310640U - Movable reverse-closing appliance

Info

Publication number: CN217310640U
Application number: CN202220801842.7U
Authority: CN
Inventors: 任余
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-08-30
Anticipated expiration: 2032-04-07

Abstract

The utility model provides a wearing time is nimble, can improve the mainly used ann formula three types of malocclusion deformities of correcting the success rate and correct movable anti-ware that closes relates to orthodontics utensil technical field. The movable reverse-fit appliance comprises a plate-shaped base and a lower lip stopper which is used for matching with the front side surface of lower anterior teeth to retreat the lower jaw; the base support is provided with a concave arc-shaped tooth socket which is used for being matched with an upper dentition, two ends of the tooth socket are respectively provided with an end plate which is used for being matched with the rear side face of an upper molar, a boss is arranged on the outer side of a molar area of a bottom plate of the tooth socket, and the lower lip block is arranged at the front end of the base support and is fixedly connected with the base support. The utility model discloses, the doctor is followed nature better, and it is better to rescue the effect.

Description

Movable reverse-closing appliance

Technical Field

The utility model relates to the technical field of orthodontic appliances, in particular to a movable reverse-closing appliance.

Background

The three types of malocclusion deformities of the Ann type are common oral cavity diseases which are mostly expressed as maxillary hypoplasia, mandibular hypoplasia, compensatory forward tilting of maxillary anterior teeth and compensatory tongue tilting of mandibular anterior teeth after adult, thereby expressing hypoplasia in the middle of the face and concave face, seriously affecting the face beauty and chewing function and causing great psychological pressure to patients. If the treatment can be intervened during the growth and development of the patient, the probability of developmental deformity can be reduced.

However, the treatment measures for the early development stage are limited, and a maxillomandibular cushion type push spring corrector, a mask front traction, a chin pocket and the like are conventionally used in the early development stage. The upper jaw pad type push spring corrector mainly utilizes a hyperbolic reed to apply force to push upper jaw incisors forwards, so that the upper jaw incisors are corrected to be reversely closed, and the upper jaw pad type push spring corrector is easy to loosen and fall off when being worn. The mask is pulled in front and matched with the fixed spiral bow expander, and more things need to be worn in the mouth and outside the mouth. The chin pocket mainly applies external force through the mask to open the maxillary bone seam and stimulate the bone to grow forwards and downwards, thereby solving the problem of retrozygosis. Due to the fact that patients are small in age, the three ways are poor in medical compliance and prone to correcting failure.

The utility model with the application number of 202021754535.5 discloses a functional appliance for treating oral cavity III type malocclusion, which comprises an arched occlusion guide plate, an upper side peripheral baffle, a lower side peripheral baffle, an upper side inner baffle and a lower side inner baffle, wherein a boss is arranged at the transition position of the upper side inner baffle and the arched occlusion plate, the surface of the boss is a cambered surface, and an upper dentition track is formed between the boss and the upper side peripheral baffle; a lower dentition track is formed between the lower side peripheral barrier and the lower side inner peripheral barrier; the upper dentition track is positioned on the outer side above the lower dentition track, and the distance between the upper dentition track and the lower dentition track in the sagittal direction is not less than 1 mm. The utility model with application number 201920616615.5 discloses a dental appliance for correcting the malposition symptom of anterior occlusion of deep occlusions or retrodeciduous occlusions, which comprises a tooth socket made of an integrally formed elastic material; the upper side and the lower side of the tooth socket are respectively provided with a row of a plurality of tooth sockets for embedding the upper front teeth and the lower front teeth which are malposed in occlusion, and the inner contour of the tooth socket is determined according to the shape and the position of the front teeth malposed in occlusion of a patient; wherein, the external contour of the anterior teeth after rotating the anterior teeth by taking 2/5 position of the length of the tooth root at the neck part of the anterior teeth of the patient as the rotation center as the internal contour of each tooth socket. The two types of the orthotics are muscle function orthotics, the orthotics do not generate orthodontic force, but generate orthodontic force by stimulating the contraction of perioral muscle groups through the orthotics when the mouth is closed or chewed, so that teeth and jaws are reconstructed, and accordingly orthodontic effect is generated. Above-mentioned two kinds of unscrambler is owing to be provided with about the tooth's socket, can only wear evening in order not to influence the life, wears the travelling comfort poor, corrects the cycle length, and it is also relatively poor to doctor's nature, corrects the failure easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a flexible wearing time is provided, the main application ampere type three types of malocclusion deformities that can improve and rescue the success rate are rescued movable anti-closing and are rescued.

The utility model provides a technical scheme that its technical problem adopted is: the movable reverse-fit appliance comprises a plate-shaped base and a lower lip stop which is used for matching with the front side surface of the lower anterior tooth to enable the lower jaw to retreat;

the base support is provided with a concave arc-shaped tooth socket which is used for being matched with an upper dentition, two ends of the tooth socket are respectively provided with an end plate which is used for being matched with the rear side face of an upper molar, a boss is arranged on the outer side of a molar area of a bottom plate of the tooth socket, and the lower lip block is arranged at the front end of the base support and is fixedly connected with the base support.

Further, the anterior teeth area lip block part of the arch-shaped tooth socket is provided with an extension part extending downwards, and the extension part forms the lower lip block.

Further, the length of lower lip keeps off is 3 ~ 8 mm.

Furthermore, a guide surface which is inclined towards the rear end of the base is arranged on the inner side of the lower end of the lower lip stopper.

Further, the base is made of plastic.

Furthermore, reinforcing ribs are arranged in the end plates, wherein one end of each reinforcing rib extends to the outer side plate of the tooth socket, and the other end of each reinforcing rib extends to the inner side plate of the tooth socket.

The utility model has the advantages that:

1. the appliance blocks the lower jaw anterior teeth through the lower lip, acts with the lower anterior teeth, the lower anterior teeth are used as receptors to force the lower jaw to retreat, and then reaction force acts on the whole row of upper dentitions through the alveolus to force the upper jaw to move forwards, so that the appliance has good force transmission performance and better appliance effect;

2. should rescue the ware and only need wear on the upper teeth, the thing that need wear is few, and because the restriction to lower tooth is little (not set up down the alveolus), normal food is chewed with lower molar cooperation completion to the accessible boss, consequently, it wears more comfortablely, and is also little to patient's normal life influence when wearing, can wear twenty hours, and the wearing time is nimble, and doctor's follow nature is better, and it is better to rescue the effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a bottom view of FIG. 1;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 1;

FIG. 4 is a schematic view of the present invention in use;

FIG. 5 is an enlarged view of portion B of FIG. 2;

shown in the figure: base 1, upper dentition 2, lower dentition 3, alveolus 11, lower lip stop 12, boss 13, anterior teeth area lip stop portion 14, rib 15, lower anterior teeth 31, end plate 111, outer plate 112, inner plate 113, guide surface 121.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1 to 3, the removable reverse-fit appliance of the present invention comprises a plate-shaped base 1 and a lower lip stop 12 for cooperating with the anterior side of the lower anterior teeth to retreat the lower jaw; the base support 1 is provided with a concave arc-shaped tooth socket 11 which is used for being matched with an upper dentition, two ends of the tooth socket 11 are respectively provided with an end plate 111 which is used for being matched with the rear side face of an upper molar, a boss 13 is arranged on the outer side of a molar area of a bottom plate of the tooth socket 11, and a lower lip stopper 12 is arranged at the front end of the base support 1 and is fixedly connected with the base support 1.

The utility model discloses in, the concrete shape of the base 1 of correcting the ware mainly makes according to patient's oral cavity upper jaw shape, and concrete shape, the size of alveolus 11 carry out corresponding preparation according to each patient's last dentition structure. The boss 13 is used for controlling the distance between the upper dentition 2 and the lower dentition 3 and preventing the front teeth of the lower dentition from extending into the upper dentition during occlusion, so that the lower lip stop 12 is convenient to be matched with the front side surface of the lower front teeth after occlusion. The specific height of the boss is based on the fact that the upper front tooth and the lower front tooth are approximately in a tangential and tangential state or in a tangential and tangential state.

As shown in FIG. 4, the appliance is worn on the upper dentition when in use. When the upper and lower dentitions are occluded, the boss 13 on the outer side of the molar region of the bottom plate of the alveolus 11 is engaged with the lower molar, the occlusion distance of the upper and lower dentitions is controlled, and the occluded upper and lower anterior teeth are approximately in an incisional or incisional-tangential state, so that most or all of the anterior side of the lower anterior tooth 31 can be exposed, and the occluded lower labial stopper 12 is engaged with the anterior side of the lower anterior tooth. After occlusion, the posterior side of the lower lip stop 12 engages the anterior side of the lower anterior teeth 31, and the lower lip stop 12 provides a rearward force to the lower jaw through the lower anterior teeth to guide the lower jaw to move back, while the reaction force of the lower anterior teeth 31 to the lower lip stop 12 can act on the upper dentition 2 through the side plates of the alveolus 11, particularly the end plate 111 thereof, to provide a forward guiding force to the upper jaw to guide the upper jaw to move forward. Like this, this rescue ware can set up suitable lower lip and keep off 12 according to the patient malocclusion condition, can lead upper jaw and lower jaw to reasonable position to reach and promote the maxilla to grow, restrain the purpose that the mandible grows, and then accomplish the wrong jaw, especially the correction of three types of wrong jaw deformities of ampere formula.

Should rescue the ware and keep off 12 effects on lower anterior teeth through lower lip, the rethread alveolus is with reaction force effect dentition on the whole row, and the biography power nature of correcting the ware is good, and it is more guaranteed to correct the effect.

Should rescue the ware and only need wear on the upper teeth, the thing that need wear is few, and because the restriction to lower tooth is little (not set up down the alveolus), normal food is chewed with lower molar cooperation completion to the accessible boss, consequently, it wears more comfortablely, and is also little to patient's normal life influence when wearing, can wear twenty hours, and the wearing time is nimble, and doctor's follow nature is better, and it is better to rescue the effect.

In the present invention, the anterior labial barrier portion 14 of the outer side plate 112 of the arch-shaped alveolar 11 is provided with an extension portion extending downward, the extension portion forms the lower labial barrier 12 labial barrier portion 14. The extension of the lip stop portion 14 forms the lower lip stop 12, namely: the lower lip block 12 and the base 1 are of an integral structure. In some embodiments, the lower lip 12 may be fastened to the base by bolts or other conventional fastening means. The connection mode of the lower lip stop 12 and the base 1 can be selected according to the material of the base. The base is typically of self-setting plastics and for this purpose the lower lip stop 12 is preferably of unitary construction with the base 1, i.e. formed by an extension of the lip stop portion 14 of the socket. The labial stop portion 14 of the anterior teeth area of the alveolar portion 11 may be thickened appropriately in order to secure strength.

In order to better stress the lower front teeth, the matching length of the lower lip stop 12 and the lower front teeth is preferably more than or equal to 3 mm. In order to prevent the lower lip stop from damaging the lower gingiva excessively after biting, the length of the lower lip stop 12 is preferably 8mm or less. The width of the lower lip stop 12 is usually 10-15 mm.

In order to guide the mandible to move backwards during occlusion, the lower lip stopper 12 is provided with a guide surface 121 inclined to the rear end of the base 1 at the inner side of the lower end. The specific inclination of the guide surface 121 is set accordingly depending on the patient's malocclusion.

As can be seen from the stress, the end plate 111 of the alveolus mainly takes on the action of forward force transmitted to the upper jaw, and the corrective effect is affected when the end plate is deformed. Particularly when the base 1 is made of plastic, in order to ensure the strength of the end plate without increasing the thickness of the end plate, it is preferable that, as shown in fig. 5, a reinforcing rib 15 is provided in the end plate 111, the reinforcing rib extending from one end to the outer side plate 112 of the alveolus 11 and from the other end to the inner side plate 113 of the alveolus 11. The reinforcing ribs 15 are made of steel wires. The stiffening ribs 15 are provided in the end panel 111 mainly in order not to affect the wearing comfort of the appliance.

The utility model discloses a concrete manufacture process: firstly, pressing a plastic base support for an upper jaw model, adding self-setting plastic into a back tooth area in the mouth until the height reaches an anterior tooth area and the front tooth area is in a cut-to-edge state, and then adding the self-setting plastic into the anterior tooth area of the base support, wherein the self-setting plastic is required to cover the lower anterior tooth; and (3) externally processing a finished product, namely taking an upper jaw model and a lower jaw model, biting an occlusion wax for cutting the upper jaw and the lower jaw into halves, manufacturing a base for the upper jaw, and covering the lower jaw incisors with a front base.

Claims

1. Ware is rescued in movable reversal of closing, its characterized in that: comprises a plate-shaped base (1) and a lower lip stop (12) which is used for matching with the front side surface of lower anterior teeth to enable the lower jaw to retreat;

the base support is characterized in that a concave arch-shaped tooth socket (11) matched with an upper dentition is arranged on the base support (1), end plates (111) matched with the rear side face of an upper molar are arranged at two ends of the tooth socket (11) respectively, a boss (13) is arranged on the outer side of a tooth grinding area of a bottom plate of the tooth socket (11), and a lower lip stopper (12) is arranged at the front end of the base support (1) and is fixedly connected with the base support (1).

2. The removable counter appliance of claim 1, wherein: the anterior labial stop portion (14) of the arch-shaped alveolus (11) is provided with an extension part extending downwards, and the extension part forms the lower labial stop (12).

3. The removable counter appliance of claim 1, wherein: the length of the lower lip block (12) is 3-8 mm.

4. The removable counter-acting appliance of claim 1, 2 or 3, wherein: and a guide surface (121) inclined towards the rear end of the base (1) is arranged on the inner side of the lower end of the lower lip stopper (12).

5. The removable counter appliance of claim 1, wherein: the base (1) is made of plastic.

6. The removable reverse-fit appliance of claim 1 or 5, wherein: and reinforcing ribs (15) with one end extending to the outer side plate (112) of the tooth socket (11) and the other end extending to the inner side plate (113) of the tooth socket (11) are arranged in the end plate (111).