CN114533314B - Movable appliance for pressing into teeth - Google Patents
Movable appliance for pressing into teeth Download PDFInfo
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- CN114533314B CN114533314B CN202210300655.5A CN202210300655A CN114533314B CN 114533314 B CN114533314 B CN 114533314B CN 202210300655 A CN202210300655 A CN 202210300655A CN 114533314 B CN114533314 B CN 114533314B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/08—Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/06—Saliva removers; Accessories therefor
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Abstract
A movable appliance pressed into teeth comprises a upper jaw support and a lower jaw support, wherein a first groove used for accommodating an upper dental segment is formed in the upper jaw support, and a second groove used for accommodating a lower dental segment is formed in the lower jaw support; at least one elastic connecting sheet is connected between the upper jaw support and the lower jaw support, the elastic connecting sheet is used for entering a compression state when the distance between the upper jaw support and the lower jaw support is smaller than a threshold value, and in the compression state, the elastic connecting sheet provides acting force for pushing the upper jaw support and the lower jaw support to move backwards. According to the invention, the upper jaw support and the lower jaw support are respectively kept in a stable shape to wrap the anterior teeth, the elastic connecting sheet between the upper jaw support and the lower jaw support can compress and rebound when the upper jaw support and the lower jaw support are close to each other and actively apply an indentation force to the anterior teeth, and the device is small and exquisite, easy to carry, convenient for a patient to wear and convenient, and capable of providing comfortable and noninvasive correction for the patient who cannot be matched with J hook correction and cannot or unwillingly implant a micro implant nail.
Description
Technical Field
The invention relates to the field of tooth correction, in particular to a movable corrector pressed into teeth.
Background
In orthodontic procedures, it is sometimes necessary to press in the teeth, i.e. to force them so that they do not continue to elongate or even to shorten, wherein, most often, deep occlusions, i.e. long anterior teeth, are pressed in, the direction of the pressing-in force being from the teeth to the gums.
At present, in the clinical treatment of deep occlusion, the method for pressing in anterior teeth mainly comprises a J hook combined high-position traction technology and an anchorage nail technology.
Patent CN215960376U discloses a stealthy J hook system of rescaling, the stealthy facing of upper jaw is connected with the J hook after through bag shape structure, boss, and the outer tractive power of mouth loops through the J hook, the boss transmits bag shape structure when rescaling, and bag shape structure links firmly transmission mouth external force with the stealthy facing of upper jaw to the messenger rescues the power and acts on periodontal and upper jaw, thereby reaches the correction of tooth. However, the J-hook combined high-position traction technology has great difficulty in pressing the anterior teeth, is large in size and affects sleeping after being worn by part of patients.
Patent CN214908436U discloses a hidden appliance capable of depressing maxillary teeth, which can implement the overall depressing of maxillary dentition and the depressing of individual dentition areas in the hidden correcting process by implanting anchorage pins in the maxilla. However, the anchorage nail technique is an invasive procedure, and some patients reject the procedure or do not have the condition for the procedure. In addition, the difficulty of the anchorage nail technique for pressing in the anterior teeth still needs to be improved.
Therefore, no matter the mode is that the J hook combines high-order traction mode or anchorage nail mode, all there is the problem of correcting inconvenient, uncomfortable etc. and cause some patients unwilling or unable cooperation to correct, and it is poor to correct the effect to traditional two kinds of modes of correcting are great to the degree of difficulty of impressing of patient's upper and lower jaw anterior teeth section in clinical.
Disclosure of Invention
The invention aims to provide a movable appliance for pressing teeth, which is characterized in that upper and lower teeth of a patient are respectively sleeved with a upper jaw support and a lower jaw support, after the rear teeth are occluded, the upper and lower jaw supports are compressed and rebounded by using an elastic connecting sheet to actively apply force to the front teeth, so that the purpose of pressing the front teeth is realized, and the movable appliance provides comfortable and noninvasive appliance for patients who cannot be matched with J-hook appliance and cannot or unwillingly implant micro implant nails.
The invention is realized by the following technical scheme:
a movable appliance pressed into teeth comprises a upper jaw support and a lower jaw support, wherein a first groove used for accommodating an upper dental segment is formed in the upper jaw support, and a second groove used for accommodating a lower dental segment is formed in the lower jaw support; at least one elastic connecting sheet is connected between the upper jaw support and the lower jaw support, the elastic connecting sheet is used for entering a compression state when the distance between the upper jaw support and the lower jaw support is smaller than a threshold value, and in the compression state, the elastic connecting sheet provides acting force for pushing the upper jaw support and the lower jaw support to move backwards.
In the technical scheme, the movable appliance comprises a maxilla support, a mandible support and an elastic connecting sheet which is elastically connected between the maxilla support and the mandible support. Wherein, the first groove that offers on the upper jaw holds in the palm is used for putting into patient's upper teeth section, and the second groove that offers on the lower jaw holds in the palm is used for putting into patient's lower teeth section. The first groove and the second groove may be identical in size and form or different in form.
The upper end and the lower end of the elastic connecting sheet are respectively connected with the upper jaw support and the lower jaw support. The elastic connecting piece can be arranged in various ways, for example, a spring can be used as the elastic connecting piece. In some preferred embodiments, the resilient web is a sheet-like structure having corrugated folds therein, the resilient web having a height in a natural state and being compressible to deform when resiliently compressed and to return to the natural state when uncompressed. The number of the elastic connecting pieces is one or more, and the arrangement mode of the elastic connecting pieces can be the same or different. The elastic connecting piece can enter a compression state when the distance between the upper jaw support and the lower jaw support is reduced to be lower than a threshold value, and resilience force is applied to the upper jaw support and the lower jaw support, namely reaction force applied to the upper jaw support and the lower jaw support by a patient, so that the front teeth are pressed down. Wherein, the distance threshold between the upper jaw support and the lower jaw support can be adjusted by the height and the material of the elastic connecting piece.
According to the technical scheme, the orthodontic appliance can be directly put into a mouth without debugging when worn in the daytime, and the orthodontic appliance is activated to generate orthodontic force of anterior teeth depression by naturally and tightly biting posterior teeth; when the patient wears the appliance at night, the patient can wear the appliance before sleeping, the upper teeth and the lower teeth are closed under the action of jaw lifting muscle groups such as masseter muscle and the like, and the resilience force can act on the front teeth to apply the pressing force.
In this technical scheme, upper and lower jaw holds in the palm respectively keeps stable form parcel front teeth, and the elastic connection piece between upper and lower jaw holds in the palm can compress when upper and lower jaw holds in the palm and kick-backs and initiatively apply the indentation force to front teeth, and small and exquisite easy carrying, and the patient of being convenient for wears and convenient, can provide comfortable, the nothing to create and rescue for unable cooperation J hook is rescued and unable or unwilling to implant miniature planting nail patient.
Furthermore, two elastic connecting sheets between the upper jaw support and the lower jaw support form a connecting sleeve, and the two elastic connecting sheets forming the connecting sleeve extend to the other end along one end of the upper jaw support or the lower jaw support. A plurality of elastic connecting sheets can be arranged between the upper jaw support and the lower jaw support. In the technical scheme, at least two elastic connecting sheets are arranged between the upper jaw support and the lower jaw support, and two elastic connecting sheets in the at least two elastic connecting sheets form a connecting sleeve and are respectively used as the front wall and the rear wall of the connecting sleeve. For example, when the upper and lower jaw supports are in a dental arch shape, the two elastic connecting pieces of the front and rear walls extend from one end to the other end along the arc shape of the dental arch shape, and the cross section of the connecting sleeve is also in the dental arch shape. In this technical scheme, the adapter sleeve that utilizes two elastic connection piece to form can further improve the stability of resilience force, improves and rescues the effect.
Furthermore, a third through hole is arranged on the two elastic connecting pieces forming the connecting sleeve. To rhinitis patient or other inconvenient patient of breathing through the nose, can set up the third through-hole on the antetheca and the back wall of adapter sleeve, the both sides of third through-hole intercommunication elastic connection piece to make this part patient can breathe through the mouth, improve the application scope who rescues the ware.
As a preferred embodiment of the present invention, a sleeve fixed to an upper surface of the mandibular rest is provided in the connecting sleeve, a press block movable in a vertical direction is provided in the sleeve, and an upper end of the press block is connected to a lower surface of the maxillary rest. The elastic connecting piece can provide stable resilience force to actively apply pressing force to the anterior teeth. However, the elastic connecting piece is easy to deflect in the rebound or compression process, so that the direction of the pressing force applied to the front tooth section is continuously changed within a certain range. Therefore, in the technical scheme, the guide mechanism is additionally arranged in the connecting sleeve. Specifically, the guide mechanism includes a sleeve and a press block. Wherein, the sleeve setting is held in the palm at the lower jaw's upper surface, and the briquetting setting is held in the palm at the upper jaw's lower surface, and the sleeve vertical removal can be followed to the briquetting, and its bottom is located the sleeve all the time. Through the arrangement, the pressing block vertically moves up and down in the sleeve in the compression or rebound process of the elastic connecting sheet, so that the maxillary support and the mandibular support are ensured to move in the opposite direction or the back direction along the vertical direction all the time, the directions of the pressing-in forces applied to the anterior teeth are consistent all the time, and the correction effect is effectively improved; moreover, when the pressing block moves to the lower limit of the stroke of the sleeve, the total height of the guide mechanism determines the minimum distance between the upper jaw support and the lower jaw support, the situations of damage of the elastic connecting sheet and difficulty in rebounding caused by excessive occlusion of a patient are avoided, and the reliability and the service life of the appliance are improved.
Further, a plurality of first through holes are formed in the sleeve and located below the lower limit of the stroke of the pressing block, the size of a gap between the outer wall of the pressing block and the inner wall of the sleeve is configured to be larger than the gas flow passing through the gap when the pressing block moves along the sleeve.
A plurality of first through holes arranged on the sleeve are communicated with the outer space of the sleeve and the area, located below the pressing block, inside the sleeve. The clearance between briquetting and the sleeve is as little as possible under the prerequisite that allows the briquetting to move smoothly for the sleeve to the gas that is located the briquetting below in the sleeve is most passed in and out from first through-hole, and the partlyness passes in and out from the clearance. Consequently, at the in-process that the briquetting pushed down, most gas will be discharged from first through-hole, the quantity of first through-hole, the gaseous exhaust speed from the sleeve of briquetting below has been decided to the size, and along with the briquetting is close to its stroke lower limit in the sleeve more, atmospheric pressure below the briquetting will increase gradually, not only play the effect of buffering, avoid reaching the stroke limit fast and cause arthralgia, the sleeve, the briquetting damages, and patient's resistance can be fed back to the effort that atmospheric pressure acted on the briquetting in addition, remind the current interlock of patient and close the limit, for example 2cm, the effect of correcting is improved. Similarly, receive the reset action of elastic connection piece, the briquetting goes upward in the sleeve, and gaseous space below the briquetting in entering into the sleeve through first through-hole can make the briquetting go upward speed slow down because there is certain pressure differential inside and outside the sleeve, is favorable to reducing the impact of upper and lower jaw support to the tooth section equally, reduces the sour sense of joint of wearing back patient for a long time. In addition, briquetting pushes down the in-process, and the gas through first through-hole combustion gas can form the air current in the adapter sleeve inside, and the air current not only can sweep inside the adapter sleeve, reduces the deposit that the adapter sleeve inner wall adheres, ensures that the elastic connection piece smoothly kick-backs, can also reduce the moisture on adapter sleeve surface, keeps the drying in the adapter sleeve to a certain extent, reduces breeding of bacterium.
Further, the diameter of the first through hole is gradually reduced from the inner wall of the sleeve to the outer wall of the sleeve. The reducing of first through-hole is favorable to the acceleration rate when gas outgoing and the speed reduction when gas inhales to further improve the air current velocity in the connecting sleeve, the reinforcing sweeps and drying effect.
Further, a spring is arranged in the sleeve, one end of the spring is connected to the inner wall of the sleeve, and the other end of the spring is connected to the pressing block. The spring that sets up in the sleeve plays the effect of supplementary elastic connection spare resilience on the one hand, and on the other hand pushes down the in-process at the briquetting, can combine briquetting below atmospheric pressure, and the common reaction is to the briquetting, and suggestion patient's interlock limit further improves the protection to sleeve, briquetting.
Furthermore, a plurality of second through holes are arranged in the first groove, and the second through holes are communicated with the first groove and the inside of the connecting sleeve. In the process of wearing the appliance, liquid on the upper teeth section is easy to accumulate in the first groove of the maxilla support, and an environment for bacterial breeding is formed. Among this technical scheme, through set up a plurality of second through-holes in first recess, can arrange into to the connecting sleeve with piling up the liquid in first recess to reduce the liquid in the first recess by a wide margin and pile up. The liquid flowing into the connecting sleeve through the second through hole is accumulated on the inner wall of the connecting sleeve, and in the process of pressing down the pressure block in the sleeve, the air flow sprayed out from the first through hole can sweep the liquid adhered to the connecting sleeve, so that the residual liquid in the connecting sleeve is discharged into the oral cavity of a patient through the two ends of the connecting sleeve or the third through hole, the accumulation of the liquid in the connecting sleeve is reduced, the interior of the appliance can be effectively kept dry, and the bacterial growth is reduced.
Further, a sponge layer is laid on the inner wall of the first groove and/or the second groove, and a plurality of rubber strips are vertically arranged in the sponge layer. Although the structures of the upper jaw support and the lower jaw support, the structures of the first groove and the second groove can be customized according to the individual dental arch shapes of the patients so as to improve the fixation of the first groove and the second groove to the teeth of the patients, the universality is lower and the production cost is high. Therefore, in the technical scheme, the sponge layer is laid on the inner walls of the first groove or the second groove or the first groove and the second groove, the sponge layer can be deformed by self, gaps between the teeth of the patient and the upper and lower jaw supports are reduced to a certain extent, the fixing stability of the upper and lower jaw supports is improved, meanwhile, the sponge layer can absorb liquid on the teeth of the patient at ordinary times, and the liquid can be better collected and discharged into the connecting sleeve through the second through hole. In the technical scheme, a plurality of vertically arranged rubber strips are further embedded in the sponge layer, the distance between every two adjacent rubber strips can be set according to the standard width of the teeth, so that the upper jaw support and the lower jaw support are positioned by utilizing the characteristic that the deformation of the rubber strips is smaller than that of the sponge, the fixing capacity of the sponge layer to the teeth is remarkably improved, and the clamping force of the upper jaw support and the lower jaw support to the teeth is improved.
Furthermore, magnetic sheets which are opposite in homopolar are arranged in the bottom wall of the upper jaw support and the bottom wall of the lower jaw support. When the upper and lower jaw supports are close to each other, the upper and lower magnetic sheets with the same magnetic poles are close to each other, the generated repulsive force can assist the elastic connecting piece to further press down the anterior teeth, the combination of mechanical force and magnetic force can further improve the pressing force, and the correction effect is enhanced.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the invention, the upper jaw support and the lower jaw support are respectively kept in stable shapes to wrap the anterior teeth, the elastic connecting sheet between the upper jaw support and the lower jaw support can be compressed and rebounded when the upper jaw support and the lower jaw support are close to each other and can actively apply pressing force to the anterior teeth, and the device is small and exquisite, easy to carry, convenient for a patient to wear and convenient, and can provide comfortable and noninvasive correction for the patient who cannot be matched with J-hook correction and cannot or unwillingly implant a miniature implant nail;
2. according to the invention, the magnetic sheets which are opposite in homopolar and embedded in the upper jaw support and the lower jaw support are utilized, when the upper jaw support and the lower jaw support are close to each other, the generated repulsion force can assist the elastic connecting piece to further press down the anterior teeth, the combination of mechanical force and magnetic force can further improve the pressing force, and the correction effect is enhanced;
3. according to the invention, the guide mechanism is arranged, so that the pressing block vertically moves up and down in the sleeve in the compression or rebound process of the elastic connecting sheet, thereby ensuring that the upper jaw support and the lower jaw support always move in the vertical direction in the opposite direction or the back direction, further ensuring that the pressing force applied to the anterior teeth is always consistent in direction, and effectively improving the correction effect; moreover, when the pressing block moves to the lower limit of the stroke of the sleeve, the total height of the guide mechanism determines the minimum distance between the upper jaw support and the lower jaw support, the situations of damage and difficult rebounding of the elastic connecting sheet caused by excessive occlusion of a patient are avoided, and the reliability and the service life of the appliance are improved;
4. according to the invention, the structure of the guide mechanism is optimized, so that most of gas enters and exits from the first through holes in the pressing or ascending process of the pressing block, the quantity and the size of the first through holes determine the entering and exiting speed of the gas below the pressing block from the sleeve, and the moving speed is slower as the pressing block is closer to the upper and lower stroke limits in the moving process, so that the buffer effect is achieved, the joint pain is avoided, the sleeve and the pressing block are damaged, and the acting force of the air pressure acting on the pressing block can be fed back to the resistance of a patient in the pressing process, so that the patient is reminded that the current occlusion is close to the limit; in addition, in the pressing process of the pressing block, air discharged from the sleeve through the first through hole can form air flow in the connecting sleeve, the air flow can sweep the inside of the connecting sleeve, deposits adhered to the inner wall of the connecting sleeve are reduced, the elastic connecting sheet is ensured to rebound smoothly, moisture on the surface of the connecting sleeve can be reduced, the dryness in the connecting sleeve is kept to a certain extent, and the breeding of bacteria is reduced;
5. according to the invention, liquid accumulated in the upper jaw support can flow into the connecting sleeve through the second through hole, and the liquid in the connecting sleeve can be quickly dried under the blowing of the gas sprayed out of the first through hole, so that the interior of the appliance can be effectively kept dry, and the growth of bacteria is reduced;
6. the sponge layer can reduce the gap between the teeth of the patient and the upper and lower jaw supports to a certain extent by utilizing the self deformation, the fixing stability of the upper and lower jaw supports is improved, the sponge layer can absorb liquid on the teeth of the patient at ordinary times, the liquid can be better collected and discharged into the connecting sleeve through the second through hole, and meanwhile, a plurality of rubber strips arranged in the sponge layer can obviously improve the fixing capacity of the sponge layer to the teeth and improve the clamping force of the upper and lower jaw supports to the teeth.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of an appliance in accordance with an embodiment of the invention from a perspective;
FIG. 2 is a schematic view of another perspective of an appliance in accordance with an embodiment of the invention;
FIG. 3 is a schematic view of an appliance worn over the upper and lower teeth in accordance with an embodiment of the present invention;
FIG. 4 is a schematic structural view of an orthosis with a connection sleeve hidden according to an embodiment of the present disclosure;
FIG. 5 is a schematic cross-sectional view of a sleeve and a compact in a non-compressed state according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a sleeve and a compact in a compressed state according to an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of an alternative sleeve and compact in a non-compressed state in accordance with an embodiment of the present invention;
FIG. 8 is a top view of a maxillary support of an embodiment of the invention;
FIG. 9 is a schematic view, partially in cross-section, of a maxillary support of an embodiment of the invention;
FIG. 10 is a schematic view of an appliance from yet another perspective in accordance with an embodiment of the invention.
Reference numbers and corresponding part names in the drawings:
1-maxilla support, 2-elastic connecting sheet, 3-mandible support, 4-magnetic sheet, 5-sleeve, 6-pressing block, 7-first through hole, 8-first spring, 9-connecting rod, 10-limiting ring, 11-second through hole, 12-sponge layer, 13-rubber strip, 14-third through hole and 15-second spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be taken as limiting the scope of the invention.
Example 1:
as shown in fig. 1 to 3, the removable appliance for pressing into teeth comprises a upper jaw support 1 and a lower jaw support 3, wherein the upper jaw support 1 is provided with a first groove for accommodating an upper dental segment, and the lower jaw support 3 is provided with a second groove for accommodating a lower dental segment; at least one elastic connecting piece 2 is connected between the upper jaw support 1 and the lower jaw support 3, the elastic connecting piece 2 is used for entering a compression state when the distance between the upper jaw support 1 and the lower jaw support 3 is smaller than a threshold value, and in the compression state, the elastic connecting piece 2 provides acting force for pushing the upper jaw support 1 and the lower jaw support 3 to move backwards.
In one or more embodiments, the first and second grooves are preferably in the form of an arch of the same size to better conform to the teeth, and further preferably have a depth to wrap around the anterior segment. In one or more embodiments, the first and second grooves may cover only a portion of the tooth segment, such as the anterior tooth segment, or may cover the entire tooth segment, and the ranges of the tooth segments covered by the first and second grooves may be the same or different.
In some embodiments, the structure of the upper jaw support and the lower jaw support is preferably in a dental arch shape. The upper and lower jaw supports can be in standard dental arch shape, and can be divided into different sizes according to the total length of dental arch with teeth to be pressed down, such as 44 mm, 46 mm, 48 mm and 50mm, and the proper size can be selected after measurement.
As shown in fig. 1 to 3, the elastic web has a sheet-like structure, and is provided with corrugated folds having a height in a natural state, and is compressible and deformable when elastically compressed, and is restorable to a natural state when the compression is removed. The number of the elastic connecting pieces is one or more, and the arrangement mode of the elastic connecting pieces can be the same or different.
In some preferred embodiments, the elastic connecting piece, the upper jaw support and the lower jaw support can be made of medical silica gel, and in one or more embodiments, the upper jaw support and the lower jaw support can also be made of other medical rubber or medical plastic.
In some embodiments, as shown in the figures, the two elastic connecting pieces 2 between the upper jaw support 1 and the lower jaw support 3 form a connecting sleeve, and the two elastic connecting pieces 2 forming the connecting sleeve extend from one end of the upper jaw support 1 or the lower jaw support 3 to the other end. The connecting sleeve formed by the two elastic connecting sheets can further improve the stability of resilience force and improve the correction effect. In one or more embodiments, in addition to the different sizes of the length of the maxilla support and the mandible support, the height of the connecting sleeve can also have different sizes, such as 2, 4 and 6 cm. Taking 2cm as an example, the patient wears the appliance with the connecting sleeve with the lowest height of 2cm when the occlusion is relatively deep, the appliances with the connecting sleeves with the heights of 4cm and 6cm are gradually changed along with the opening of the occlusion, and the occlusion is further opened.
In some embodiments, the magnetic sheets 4 are arranged in the bottom wall of the upper jaw support 1 and the bottom wall of the lower jaw support 3 in opposite homopolar directions. When the upper and lower jaw supports are close to each other, the upper and lower magnetic sheets with the same magnetic poles are close to each other, the generated repulsive force can assist the elastic connecting piece to further press down the anterior teeth, the combination of mechanical force and magnetic force can further improve the pressing force, and the correction effect is enhanced.
In some embodiments, as shown in fig. 10, the two elastic connecting pieces 2 forming the connecting sleeve are provided with third through holes 14.
According to the technical scheme, the orthodontic appliance can be directly put into a mouth without debugging when worn in the daytime, and the orthodontic appliance is activated to generate orthodontic force of anterior teeth depression by naturally and tightly biting posterior teeth; when the patient wears the appliance at night, the patient can wear the appliance before sleeping, the upper teeth and the lower teeth are closed under the action of jaw lifting muscle groups such as masseter muscle and the like, and the resilience force can act on the front teeth to apply the pressing force.
In this embodiment, upper and lower jaw holds in the palm respectively keeps stable form parcel front teeth, and the elastic connection piece between upper and lower jaw holds in the palm can compress when upper and lower jaw holds in the palm to kick-back and initiatively apply the force of impressing to front teeth, and small and exquisite easy carrying, and the patient of being convenient for wears and convenient, can provide comfortable, the noninvasive correction for unable cooperation J hook is rescued and can't or unwilling to implant miniature planting nail patient.
The appliance provided by the technical scheme can be used as an independent appliance and also can be used as an auxiliary appliance in the orthodontic appliance process, and the adaptation disease is wide. When being used as an auxiliary appliance, the utility model can be suitable for almost all the existing appliances such as a bracket-free invisible appliance, a lip side fixed appliance, a tongue side fixed appliance and the like, and because the upper jaw support and the lower jaw support have certain widths, the upper jaw support and the lower jaw support can accommodate the bracket and the transparent braces at the same time, and the bracket and the braces can not be influenced, thereby being a favorable auxiliary tool for pressing down anterior teeth in the orthodontic process.
Example 2:
on the basis of the embodiment 1, as shown in fig. 4 to 7, a sleeve 5 fixed on the upper surface of the lower jaw support 3 is arranged in the connecting sleeve, a pressing block 6 capable of moving along the vertical direction is arranged in the sleeve 5, and the upper end of the pressing block 6 is connected to the lower surface of the upper jaw support 1.
In the compression or rebound process of the elastic connecting sheet, the pressing block vertically moves up and down in the sleeve, so that the maxillary support and the mandibular support are ensured to move in the opposite direction or the back direction along the vertical direction all the time, the directions of the pressing-in forces applied to the anterior teeth are consistent all the time, and the correction effect is effectively improved; moreover, when the pressing block moves to the lower limit of the stroke of the sleeve, the total height of the guide mechanism determines the minimum distance between the upper jaw support and the lower jaw support, the situations of damage of the elastic connecting sheet and difficulty in rebounding caused by excessive occlusion of a patient are avoided, and the reliability and the service life of the appliance are improved.
In some embodiments, the sleeve 5 is provided with a plurality of first through holes 7, the plurality of first through holes 7 are located below the lower limit of the stroke of the pressure block 6, and the size of the gap between the outer wall of the pressure block 6 and the inner wall of the sleeve 5 is configured such that when the pressure block 6 moves along the sleeve 5, the gas flow rate passing through the plurality of first through holes 7 is greater than the gas flow rate passing through the gap.
The clearance between briquetting and the sleeve is as little as possible under the prerequisite that allows the briquetting to move smoothly for the sleeve to the gas that is located the briquetting below in the sleeve is most passed in and out from first through-hole, and the partlyness passes in and out from the clearance. In-process that the briquetting pushed down, most gas will be discharged from first through-hole, the quantity of first through-hole, the gaseous exhaust speed from the sleeve of size decision briquetting below, and be close to its stroke lower limit in the sleeve along with the briquetting more, the atmospheric pressure of briquetting below will increase gradually, not only play the effect of buffering, avoid reaching the stroke limit fast and cause the arthralgia, the sleeve, the briquetting damages, and patient's resistance can be fed back to the effort that atmospheric pressure acted on the briquetting in addition, remind the current interlock of patient to have been close to the limit. Similarly, receive the reset action of elastic connection piece, the briquetting goes upward in the sleeve, and gaseous space below the briquetting in entering into the sleeve through first through-hole can make the briquetting go upward speed slow down because there is certain pressure differential inside and outside the sleeve, is favorable to reducing the impact of upper and lower jaw support to the tooth section equally, reduces the sour sense of joint of wearing back patient for a long time.
In addition, briquetting pushes down the in-process, and the gas through first through-hole combustion gas can form the air current in the adapter sleeve inside, and the air current not only can sweep inside the adapter sleeve, reduces the deposit that the adapter sleeve inner wall adheres, ensures that the elastic connection piece smoothly kick-backs, can also reduce the moisture on adapter sleeve surface, keeps the drying in the adapter sleeve to a certain extent, reduces breeding of bacterium.
In one or more embodiments, the plurality of first through holes includes a plurality of rows, and each row of the first through holes is uniformly distributed along the circumferential direction of the sleeve. In some embodiments, the diameter of the first through hole 7 gradually decreases from the inner wall of the sleeve 5 to the outer wall of the sleeve 5.
In some embodiments, a spring is disposed in the sleeve 5, one end of the spring is connected to the inner wall of the sleeve 5, and the other end of the spring is connected to the pressing block 6. In one embodiment, as shown in fig. 4 and 6, a first spring 8 is connected to the bottom surface of the sleeve 5, and the upper end of the first spring 8 is connected to the bottom surface of the pressing block 6. In one embodiment, as shown in fig. 7, a limiting ring 10 is disposed on the top surface of the sleeve 5, a second spring 15 is connected to the lower surface of the limiting ring 10, the lower end of the second spring 15 is connected to the upper surface of the pressing block 6, and the pressing block 6 is connected to the lower surface of the maxilla support 1 through a connecting rod 9. The spring plays the effect of supplementary elastic connection spare resilience on the one hand, and on the other hand pushes down the in-process at the briquetting, can combine briquetting below atmospheric pressure, and the common reaction is to the briquetting, and suggestion patient's interlock limit further improves the protection to sleeve, briquetting.
Example 3:
on the basis of the above embodiment, as shown in fig. 8 and 9, a plurality of second through holes 11 are provided in the first groove, and the second through holes 11 communicate the first groove and the inside of the connecting sleeve. The second through hole can be discharged into the connecting sleeve with the liquid accumulated in the first groove, so that the accumulation of the liquid in the first groove is greatly reduced, the liquid flowing into the connecting sleeve through the second through hole is accumulated on the inner wall of the connecting sleeve, and in the pressing process of the pressure block in the sleeve, the air flow sprayed out through the first through hole can sweep the liquid adhered to the connecting sleeve, so that the residual liquid in the connecting sleeve is discharged into the oral cavity of a patient through the two ends of the connecting sleeve or the third through hole, and the accumulation of the liquid in the connecting sleeve is also reduced.
In some embodiments, a sponge layer 12 is laid on the inner wall of the first groove and/or the second groove, and a plurality of rubber strips 13 are vertically arranged in the sponge layer 12. The sponge layer can utilize self deformation, reduces the clearance between patient's tooth and the upper and lower jaw support to a certain extent, improves the fixed stability of upper and lower jaw support, and the sponge layer can also absorb the liquid on the patient's tooth at ordinary times, collects better and discharges into the adapter sleeve through the second through-hole in, and simultaneously, many rubber strips that set up in the sponge layer can show the fixed ability that improves the sponge layer to the tooth, improve the clamping-force of upper and lower jaw support to the tooth.
As used herein, "first," "second," "third," etc. (e.g., first via, second via, third via, etc.) merely distinguish the respective components for clarity of description and are not intended to limit any order or to emphasize importance, etc. Further, the term "connected" used herein may be directly connected or indirectly connected via other components without being particularly described.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The movable appliance pressed into teeth is characterized by comprising a maxilla support (1) and a mandible support (3), wherein the maxilla support (1) is provided with a first groove for accommodating an upper dental segment, and the mandible support (3) is provided with a second groove for accommodating a lower dental segment; at least one elastic connecting sheet (2) is connected between the upper jaw support (1) and the lower jaw support (3), the elastic connecting sheet (2) is used for entering a compression state when the distance between the upper jaw support (1) and the lower jaw support (3) is smaller than a threshold value, and in the compression state, the elastic connecting sheet (2) provides an acting force for pushing the upper jaw support (1) and the lower jaw support (3) to move backwards to the upper jaw support (1) and the lower jaw support (3); two elastic connection piece (2) between support (3) are held in the palm to the upper jaw (1) and the lower jaw constitute the adapter sleeve, two elastic connection piece (2) that constitute the adapter sleeve hold in the palm (1) or the one end that the lower jaw held in the palm (3) along the upper jaw extend to the other end, be provided with sleeve (5) that are fixed in the upper surface that the lower jaw held in the palm (3) in the adapter sleeve, be provided with briquetting (6) that can follow vertical direction and remove in sleeve (5), the upper end of briquetting (6) is connected to the lower surface that the upper jaw held in the palm (1).
2. The removable appliance for pressing into teeth as claimed in claim 1, characterised in that the two elastic connecting pieces (2) forming the connecting sleeve are provided with third through holes (14).
3. The removable appliance for pressing into teeth according to claim 1, wherein the sleeve (5) is provided with a plurality of first through holes (7), the plurality of first through holes (7) are located below the lower limit of the stroke of the pressing block (6), the size of the gap between the outer wall of the pressing block (6) and the inner wall of the sleeve (5) is configured such that when the pressing block (6) moves along the sleeve (5), the flow rate of gas passing through the plurality of first through holes (7) is greater than the flow rate of gas passing through the gap.
4. The removable appliance for fitting into teeth according to claim 3, wherein the diameter of the first through hole (7) decreases from the inner wall of the socket (5) towards the outer wall of the socket (5).
5. A removable appliance for pressing into teeth according to claim 3, characterised in that a spring is arranged inside the sleeve (5), one end of the spring is connected to the inner wall of the sleeve (5) and the other end of the spring is connected to the pressure block (6).
6. The removable appliance for pressing teeth into teeth according to claim 1, wherein a plurality of second through holes (11) are arranged in the first groove, and the second through holes (11) are communicated with the first groove and the inside of the connecting sleeve.
7. The removable appliance for pressing into teeth as claimed in claim 6, wherein a sponge layer (12) is laid on the inner wall of the first groove and/or the second groove, and a plurality of rubber strips (13) are vertically arranged in the sponge layer (12).
8. The removable appliance for pressing into teeth as claimed in any one of claims 1 to 7, wherein the bottom wall of the maxillary support (1) and the bottom wall of the mandibular support (3) are provided with magnetic sheets (4) which are opposite to each other in the same polarity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210300655.5A CN114533314B (en) | 2022-03-25 | 2022-03-25 | Movable appliance for pressing into teeth |
| PCT/CN2022/130317 WO2023179039A1 (en) | 2022-03-25 | 2022-11-07 | Movable appliance for pressing teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210300655.5A CN114533314B (en) | 2022-03-25 | 2022-03-25 | Movable appliance for pressing into teeth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114533314A CN114533314A (en) | 2022-05-27 |
| CN114533314B true CN114533314B (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210300655.5A Active CN114533314B (en) | 2022-03-25 | 2022-03-25 | Movable appliance for pressing into teeth |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114533314B (en) |
| WO (1) | WO2023179039A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114533314B (en) * | 2022-03-25 | 2022-09-13 | 四川大学 | Movable appliance for pressing into teeth |
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| US20140109919A1 (en) * | 2012-10-22 | 2014-04-24 | Daniel K. Crout | Intraoral Discluding Appliance |
| CN105640655B (en) * | 2014-11-20 | 2018-01-16 | 柯一石 | The preparation method of stealth correction facing and stealthy correction facing |
| CN109009497A (en) * | 2018-08-21 | 2018-12-18 | 上海市口腔病防治院 | A kind of pairing pad appliance |
| CN114533314B (en) * | 2022-03-25 | 2022-09-13 | 四川大学 | Movable appliance for pressing into teeth |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2023179039A1 (en) | 2023-09-28 |
| CN114533314A (en) | 2022-05-27 |
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