CN212699184U

CN212699184U - Oral cavity traction device

Info

Publication number: CN212699184U
Application number: CN202020233163.5U
Authority: CN
Inventors: 张杰铌; 林久祥; 王雪东; 黄文斌; 孙博慧
Original assignee: Peking University School of Stomatology
Current assignee: Peking University School of Stomatology
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2021-03-16
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses an oral cavity draw gear, include: a base, a tongue, a fixing device, a traction hook and a jaw pad; the tongue is positioned at the front end of the base and is partially embedded in the base, and the tongue is used for abutting against the inner side of the upper front teeth so as to apply lip inclination force to the upper front teeth. The intraoral traction device provided by the utility model can realize synchronous correction of the retrozygosis of the anterior teeth of the teeth and the bone by fixedly installing the reed at the front end of the base and matching with the arrangement of the traction hook; the reverse occlusion of the anterior teeth can be effectively relieved through the arrangement of the jaw pad. Therefore, the oral cavity traction device provided by the embodiment of the utility model can save the treatment time of the front tooth reverse-fit problem and improve the treatment efficiency.

Description

Oral cavity traction device

Technical Field

The invention relates to medical equipment for dental correction, in particular to an intraoral traction device.

Background

The retrozygosis (commonly known as ozoganshi) is a common dental problem in clinical medicine, has a high incidence rate, and is often accompanied by insufficient development of maxilla, crowdedness of upper teeth and the like. At present, the clinical common treatment method utilizes the growth potential of a patient to promote the growth of the upper jaw through the matching of an oral and oral traction device, thereby reducing the deformity degree of the jaw. However, the anterior tooth retrogression with simultaneous odontopathy and osseous odontopathy is also frequently existed in clinic, but the existing appliance can not have two correction functions at the same time.

Patent CN201821471625.6 discloses a front traction intraoral device, which is provided with a jaw pad, and can effectively prevent the upper and lower teeth from biting together, so as to raise the height, relieve the tooth retropulsion, and facilitate the process of applying force by an appliance, so that the moving process of the upper jaw bone is not obstructed, however, a device for correcting the inclined upper front teeth or individual teeth of the tongue is not designed, and although the promotion of the front movement of the upper jaw bone can be realized, the correcting effect can be influenced by the dental interference.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an oral cavity draw gear for solve the unable anterior tooth that exists simultaneously of correcting and treating tooth nature and osseous nature and close the problem of turning over simultaneously among the prior art.

The embodiment of the utility model provides an intraoral draw gear, include: a base 1, a tongue 2, a fixing device 3, a traction hook 4 and a jaw pad 5;

two retention devices 3 and two traction hooks 4 are respectively and symmetrically arranged at the left side and the right side of the base 1;

the traction hook 4 is positioned on the side surface of the base 1 and is fixedly connected with the base 1;

the retention device 3 is positioned at the tail part of the base 1 and is fixedly connected with the base 1, and the retention device 3 is used for being installed on teeth;

the jaw pad 5 covers the surface of the fixing device 3 and is positioned on the other surface of one surface of the fixing device 3, which is in contact with teeth;

the reed 2 is positioned at the front end of the base 1 and is partially embedded in the base 1;

the tongue 2 is used to abut against the inside of the upper anterior teeth so as to apply a lip tilting force to the upper anterior teeth.

Further, the tongue 2 is S-shaped at one end abutting against the inner side of the upper anterior teeth.

Further, the retention device 3 includes an adjacent hook 31 and an arrow card 32, and the adjacent hook 31 is located between the towing hook 4 and the arrow card 32.

Furthermore, the arrow head holder 32 has a detent 321, and the detent 321 is used for mounting the retention device 3 on the molar.

Further, the locking portion 321 has locking protrusions 3211 at both ends of the locking portion 321, and the locking protrusions 3211 are used for fixing and releasing the arrow card 32.

Furthermore, the reed 2, the fixing device 3 and the towing hook 4 are made of stainless steel.

Further, the base 1 and the jaw pad 5 are made of resin.

Further, the load force of the towing hook 4 is more than 500 g.

Further, when the hook 4 is attached to the tooth, the distance between the hook 4 and the top of the upper gum is not less than 0.5 mm and not more than 1 mm.

The utility model discloses beneficial effect includes:

the oral cavity traction device provided by the embodiment of the utility model can realize the synchronous correction of the tooth and bone anterior tooth involution by fixedly installing the reed at the front end of the base and matching with the arrangement of the traction hook; the reverse occlusion of the anterior teeth can be effectively relieved through the arrangement of the jaw pad. Therefore, the oral cavity traction device provided by the embodiment of the utility model can save the treatment time of the front tooth reverse-fit problem and improve the treatment efficiency.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

Fig. 1 is a schematic structural view of an intraoral traction device according to an embodiment of the present invention.

Detailed Description

The embodiment of the present invention provides an oral cavity traction device, which is described below in conjunction with the drawings, and it should be understood that the preferred embodiment described herein is only used for illustration and explanation of the present invention, and is not used for limitation of the present invention. And the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The following describes an intraoral traction device provided by an embodiment of the present invention in detail with reference to the accompanying drawings.

An embodiment of the utility model provides an intraoral traction device, as shown in fig. 1, include: a base 1, a tongue 2, a fixing device 3, a traction hook 4 and a jaw pad 5;

the jaw pad 5 covers the surface of the fixing device 3 and is positioned on the other surface of one surface of the fixing device 3, which is contacted with teeth;

By adopting the intraoral traction device provided by the embodiment of the utility model, the tongue spring is fixedly arranged at the front end of the base and is matched with the arrangement of the traction hook, so that the synchronous correction of the retrozygosis of the anterior teeth and the bony anterior teeth can be realized; meanwhile, the arrangement of the jaw pad can effectively remove the reverse occlusion of the anterior teeth in the treatment process aiming at the reverse occlusion of the anterior teeth. Therefore, the oral cavity traction device provided by the embodiment of the utility model can save the treatment time of the front tooth reverse-fit problem and improve the treatment efficiency.

In the above oral cavity traction device, the base 1 and the jaw pad 5 may be made of resin; the reed 2, the retention means 3 and the towing hook 4 may be made of stainless steel in order to meet the strength requirements in use.

When the oral cavity traction device is manufactured, before the base 1 and the jaw pad 5 are fixedly molded, one end of the retention device 3 can be inserted into the resin material on the two sides of the base 1, and the jaw pad 5 can be covered on the surface of the retention device 3; when the base 1 and the jaw pad 5 are coagulated and fixed, the fixing device 3 is tightly fixed with the base 1. In actual use, the base 1 is sleeved on the upper teeth, and the oral traction device is fixed through the retention device 3.

The jaw pad 5 covers the surface of the fixing device 3 and is positioned on the other side of the fixing device 3, which is in contact with teeth. In actual use, the thickness of the jaw pad 5 suitable for treating the anterior tooth retrozygosis problem is measured according to the oral structure of a patient; by raising the upper jaw using the jaw pad 5, the gap between the upper jaw and the lower jaw is increased, and it is possible to effectively prevent the treatment effect from being affected by the tight occlusion of the upper and lower teeth during the treatment. In addition, the jaw pad 5 can be adhered to the corresponding teeth through an adhesive to increase the fixing effect of the oral traction device; the adhesive can be resin adhesive; the jaw pad surface may be provided with a plurality of holes to facilitate the application of the adhesive.

In clinical medicine, the patient always has the phenomenon of the upper anterior tongue when the anterior teeth are reversely closed, the problem of the upper anterior tongue inclination is simultaneously corrected in the embodiment, and a part tongue spring 2 is arranged in the oral cavity traction device. The reed 2 is positioned at the front end of the base 1 and is partially embedded in the base 1; when the oral cavity traction device is manufactured, one end of the reed 2 can be inserted into the resin material on the front side of the base 1 before the base 1 is fixed and molded; when the base 1 is coagulated and fixed, the tongue 2 is tightly fixed with the base 1.

By adopting the intraoral traction device provided by the embodiment, in the actual use process, one end of the tongue spring 2, which is externally arranged on the base 1, is abutted against the inner side of the upper anterior tooth, so that lip inclination force is applied to the upper anterior tooth, and the problem of tongue inclination of the upper anterior tooth can be effectively corrected; meanwhile, lip inclination force is applied to the upper anterior teeth, so that correction of the anterior teeth contra-occlusion is promoted.

The number of tongues 2 can be one to four, depending on the number of upper anterior teeth of the patient presenting problems with inclination of the tongue.

The end of the tongue 2 abutting the inner side of the upper front tooth may be S-shaped, or may have another curved shape, such as an arch shape, which can generate lip tilting force to the upper front tooth.

When the oral cavity traction device is manufactured, one end of the traction hook 4 can be inserted into the resin materials at the two sides of the base 1 before the base 1 is fixed and molded; when the base 1 is coagulated and fixed, the traction hook 4 is tightly fixed with the base 1. One end of the traction hook 4 is fixedly connected with the base 1, and the other end is in a hook shape or a round shape and the like, so that elastic devices such as a rubber band or an elastic rope and the like can be conveniently hooked on the traction hook 4. In the actual use process, two rubber bands can be respectively hooked on the traction hooks 4 on the two sides; the two rubber bands are simultaneously pulled to promote the two side pulling hooks 4 to pull the upper jaw at the same time, promote the growth of the upper jaw and further correct the contraocclusion of the anterior teeth.

The pulling force of the towing hook 4 can be flexibly set based on actual needs, for example, the pulling force of the towing hook 4 can reach 500g at most, and in the actual use process, in order to effectively promote the growth of the upper jaw, the pulling force of the one-side towing hook 4 can be preferably controlled to be 350-500 g.

In order to facilitate the normal hook of rubber band, do not influence the normal activity in patient's oral cavity simultaneously, comfort level when improving the use, the top distance of pulling hook 4 and last tooth gum is preferred at 0.5 ~ 1 mm.

In a possible embodiment, the retention means 3 of the intraoral traction device described above may comprise:

an adjacent space hook 31 and an arrow card 32, wherein the adjacent space hook 31 is positioned between the towing hook 4 and the arrow card 32;

the arrow head clip 32 has a detent 321, the detent 321 being used to mount the retention device 3 on the molar;

the locking portions 321 have locking protrusions 3211 at both ends of the locking portions 321, and the locking protrusions 3211 are used for fixing and removing the arrow card 32.

When the device is used in real time, the base 1 is sleeved on the upper teeth, the arrow card 32 is sleeved on one of the abutment teeth at the corresponding position, and the adjacent intermediate hook 31 is clamped between the arrow card 32 and the traction hook 4; the position-retaining portion 321 of the arrow head clip 32 is specifically clipped at the outer side of the abutment near the gum, and the position-retaining protrusion 3211 is clipped at the abduction gaps at the front and rear sides of one end of the gum edge of the abutment. In the embodiment, due to the arrangement of the clamping protrusions 3211, the arrow card 32 is convenient to retain when actually worn and used; when the oral traction device is removed, the device can be conveniently taken out based on the fixing mode of the arrow head clamp 32 and the abutment and the convex part of the clamping bulge 3211.

The intraoral traction device provided by the embodiment can synchronously realize correction of the front tooth lingual inclination at the initial stage of treatment of the front tooth retrozygosis by combining the labial inclination force acting on the front tooth of the reed 2 and the left and right front traction forces of the traction hook 4; meanwhile, the convex arrangement of the clamp 3211 of the retention device 3 can facilitate the fixation and the taking out of the device, thereby facilitating the wearing of the patient.

To sum up, the embodiment of the utility model provides a scheme is through melting into oral cavity draw gear with tongue spring, the towed design in the place ahead, realizes just effectively promoting the growth of upper jaw at the treatment initial stage, can also promote the correction of the preceding tooth hyoplastron inclination simultaneously, has saved treatment time, has improved treatment efficiency. In addition, the device is of a fixed adhesive type, does not need to be worn or taken by a patient on a flat day, and has a guaranteed treatment effect.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An intraoral traction device, comprising: a base (1), a reed (2), a fixing device (3), a traction hook (4) and a jaw pad (5);

the two retention devices (3) and the two traction hooks (4) are respectively and symmetrically arranged on the left side and the right side of the base (1);

the traction hook (4) is positioned on the side surface of the base support (1) and is fixedly connected with the base support (1);

the retention device (3) is positioned at the tail part of the base (1) and is fixedly connected with the base (1), and the retention device (3) is used for being installed on teeth;

the jaw pad (5) covers the surface of the fixing device (3) and is positioned on the other surface of one surface, which is contacted with teeth, of the fixing device (3);

the reed (2) is positioned at the front end of the base (1) and is partially embedded in the base (1);

the tongue (2) is used for abutting against the inner side of the upper front teeth so as to apply lip tilting force to the upper front teeth.

2. The intraoral traction device according to claim 1, characterized in that said tongue (2) is S-shaped in abutment against the end inside the upper anterior teeth.

3. Intra-oral traction device according to claim 1, characterized in that said retention means (3) comprise an adjacent intermediate hook (31) and an arrow card (32), said adjacent intermediate hook (31) being located between the traction hook (4) and the arrow card (32).

4. Intraoral traction device according to claim 3, characterized in that the arrow head clip (32) has detents (321), said detents (321) being used to mount the retention means (3) on the molar.

5. The intraoral traction device of claim 4, wherein the detent (321) has detent projections (3211) at both ends of the detent (321), the detent projections (3211) being used to fix and remove the arrow head clip (32).

6. Oral cavity draft device according to claim 1, characterized in that said tongue (2), retention means (3) and draft hook (4) are made of stainless steel.

7. The intraoral traction device according to claim 1, characterized in that the base (1) and jaw pad (5) are made of resin.

8. The intraoral traction device according to claim 1, characterized in that the load force of the traction hook (4) is greater than 500 grams.

9. The intraoral traction device according to claim 1, wherein when the traction hook (4) is attached to a tooth, the distance between the traction hook (4) and the top of the upper gum is 0.5 mm or more and 1mm or less.