CN217488900U - Traction type tooth socket - Google Patents

Abstract

The utility model discloses a traction type tooth socket, including the tooth socket body, the inside holding tank that holds the dental crown that forms of tooth socket body, the holding tank is including the correction groove that is located the molar fixed slot of both sides and intercommunication molar fixed slot. The shape of the molar fixing groove is matched with the shape of a dental crown of a molar, and the molar fixing groove is used for fixing the tooth socket body on the dental crown. The correction groove is used for guiding cuspid and incisor, a translation torsion space is reserved between the correction groove and the cuspid and incisor, the correction groove is of a guide rail type arc structure, the side wall of the correction groove is a smooth curved surface, and the smooth curved surface of the correction groove is consistent with the radian of a dental arch curve. The guide to the teeth of the children is emphasized, and the orthodontic requirement of the teeth of the children is met.

Description

Traction type tooth socket

Technical Field

The utility model relates to a facing technical field especially relates to towed facing.

Background

In the orthodontic treatment, although many people need to correct teeth, the orthodontics often have negative influence on the self-feeling of people, the requirement of the patients on the appearance in the orthodontic process is higher and higher, and the current clinical orthodontic treatment mainly comprises two modes of the traditional straight wire arch or square wire arch orthodontic treatment and bracket-free invisible correction.

Compared with the traditional orthodontic technology, the bracket-free invisible orthodontic technology integrating the oral medicine technology, the computer software technology, the material science and the 3D printing technology is gradually favored by more and more young patients. The bracket-free invisible appliance (also called invisible tooth socket) has the characteristics of transparency, beauty, comfort and the like, and can completely embody the natural color state of the original teeth because the bracket-free invisible appliance is transparent and has no shelter on the teeth.

In the orthodontic method adopting the bracket-free invisible appliance, teeth of a patient need to be scanned to obtain tooth molds, the arrangement of the teeth on the tooth molds is slightly different, the final tooth mold is the final result of orthodontic treatment in a plan, and the bracket-free invisible appliance is a pressure structure which is completely matched with the shape of the teeth and applies pressure to the teeth to be moved. The series of dental models are generated by software, and are printed and output by using a three-dimensional printing device, the initial three-dimensional data of the oral cavity of the patient is obtained by scanning a model of the oral cavity of the patient or directly scanning the oral cavity of the patient, and therefore, the method depends on the IT technology and is a product of the IT development.

But compared with the jaw which can not be changed in the natural state of adults, the jaw of the children teeth is still in the reasonable arrangement and change period, and the teeth are still unstable even in the permanent period. Therefore, it is desirable for children's teeth to be induced to dominate, rather than to straighten. Conventional bracket-free invisible appliances create a socket for each tooth, placing emphasis on each tooth and bone, and interfering with the growth of the child's teeth.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a traction type tooth socket which focuses on the guiding of the teeth of children and meets the straightening requirements of the teeth of children.

In order to achieve the above purpose, the utility model discloses a technical scheme is: a traction type tooth socket comprises a tooth socket body, wherein a holding groove for holding a dental crown is formed in the tooth socket body, the holding groove comprises molar fixing grooves positioned on two sides and a correction groove communicated with the molar fixing grooves, and the shapes of the molar fixing grooves are matched with the shapes of the dental crown of a molar so as to fix the tooth socket body on the dental crown; the correction groove is used for guiding cuspid and incisor, a translation torsion space is left between the correction groove and the cuspid and the incisor, the correction groove is of a guide rail type arc structure, the side wall of the correction groove is a smooth curved surface, and the smooth curved surface of the correction groove is consistent with the radian of a dental arch curve.

The beneficial effects of the utility model reside in that: the whole tooth socket is fixed on the dental crown through the molar fixing groove, deviation cannot be generated, and wearing is facilitated. The guide tracked arc structure in groove is corrected to the rethread, leads for the cusp and the incisor that easily take place the dislocation, lets cusp and incisor produce in the space of correcting inslot limited, slowly towards the arch of tooth curvilinear motion, and the guide is suckling tooth rational arrangement, prevents the deviation of suckling tooth rational arrangement, satisfies the growth needs of the quick tooth of children simultaneously.

Further, the two side walls of the correction groove abut against the cuspid or incisor end portion near the lip and the cuspid or incisor end portion near the lingual head, respectively. The orthodontic grooves provide distraction to the cuspids or incisors that are inclined toward the tongue head and lip, and provide guidance to the inclined cuspids or incisors.

Further, the widths of the two abutment surfaces on the inner and outer sides of the correction groove and the crown are the sum of the distance from the cuspid or incisor near the lip to the arch curve and the distance from the cuspid or incisor near the lingual part to the arch curve. Namely, the width of the two abutting surfaces of the correction groove and the inner side and the outer side of the dental crown is the minimum distance of dislocation of the cuspid or the incisor, so that all the cuspid and the incisor can be contained in the correction groove and grow in the correction groove.

Further, the tooth socket body is integrally formed, the tooth socket body is provided with an inner side part, an outer side part and an occlusion part for connecting the inner side part and the outer side part, the inner side part is close to the tongue, the outer side part is close to the lip, the occlusion part is arranged at the end parts of the inner side part and the outer side part, and the inner walls of the inner side part, the outer side part and the occlusion part are limited to form a containing groove.

Further, the inner walls of the inner side portion, the outer side portion and the occlusion portion of the molar fixing groove portion are matched with the molar in shape, the inner walls of the inner side portion, the outer side portion and the occlusion portion of the correction groove portion are of smooth arc-shaped structures, and radian of the arc-shaped structures is consistent with dental arch curves.

Further, the tooth socket body is integrally formed by an elastic membrane, and the thickness of the membrane at the position of the correction groove is larger than that of the membrane at the position of the fixing groove for grinding teeth. The design of the diaphragms with different thicknesses can meet the requirement of orthodontics and save materials according to the stress requirements of different areas.

Further, a protrusion is further arranged on the outer wall of the tooth socket body and is arranged at any one of the molar fixing grooves, and the protrusion is provided with a fastening groove communicated with the molar fixing groove. Because the side wall of the molar is provided with the positioning, when the positioning card is clamped into the fastening groove, the stability of the connection between the molar fixing groove and the tooth socket body can be improved.

Drawings

FIG. 1 is a schematic three-dimensional structure of a mouthpiece body according to an embodiment of the present invention;

FIG. 2 is a top view of the mouthpiece body according to an embodiment of the present invention;

FIG. 3 is a schematic view of the dental mouthpiece body sleeved on the dental crown according to the embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic view of a structure of a child's teeth.

In the figure:

1a, grinding teeth; 1b, cuspid, 1c incisor;

1. accommodating a tank; 11. a molar fixing groove; 12. a correction slot; 2. arch curve of the teeth; 31. an inner side portion; 32. An outer side portion; 33. an engaging portion; 4. projection

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 and 2, the utility model discloses a pull-type facing, including the facing body, the inside holding tank 1 that holds the dental crown that forms of facing body, 1 one end opening of holding tank, facing body cover are established on the dental crown to make the dental crown hold in holding tank 1.

Holding tank 1 wholly becomes U type structure, wholly sets up along dental arch curve 2, and holding tank 1 is including the correction groove 12 that lies in the molar fixed slot 11 and the intercommunication molar fixed slot 11 of both sides. Wherein the shape of the molar fixing groove 11 is matched with the shape of the dental crown of the molar 1a, and the molar fixing groove is completely sleeved outside the molar 1a and is used for fixing the molar body on the dental crown.

Referring to fig. 3, the orthodontic groove 12 is used for the guidance of the canine 1b and the incisor 1c, the canine 1b and the incisor 1c are each accommodated in the orthodontic groove 12, and the orthodontic groove 12 leaves a space for translational and torsional movement between the canine 1b and the incisor 1 c. The correction groove 12 is of a guide rail type arc structure, the side wall of the correction groove 12 is a smooth curved surface, the smooth curved surface of the correction groove 12 is consistent with the radian of the dental arch curve 2, and the two side walls of the correction groove 12 are respectively abutted against the most protruded cuspid 1b or incisor 1c and the most sunken cuspid 1b or incisor 1c, that is, the width of the two abutted surfaces of the correction groove 12 and the inner and outer sides of the dental crown is the minimum distance for dislocation of the cuspid 1b or incisor 1 c. The most recessed cuspid 1b or incisor 1c is the cuspid 1b or incisor 1c closest to the lingual side, the most protruding cuspid 1b or incisor 1c is the cuspid 1b or incisor 1c closest to the labial side, and both side walls of the orthodontic groove 12 abut against the most protruding or recessed portions of the cuspid 1b or incisor 1c, respectively. The cuspid 1b and the incisor 1c are guided to grow in the orthodontic groove 12, and the cuspid 1b and the incisor 1c, which are easily protruded or dented, are ensured to grow in the space defined by the orthodontic groove 12 without generating a larger dislocation.

Referring to fig. 5, the teeth of a child generally include molars 1a, cuspids 1b, and incisors 1c, and an arch curve 2 is shown in dotted lines in fig. 5. the teeth of a normal child are arranged along the arch curve 2 during growth, and on the gums, the teeth grow up or down the arch supply curve. In which the molars 1a are relatively stable without being displaced, but the cuspids 1b and incisors 1c are dislocated during the growth process. The widths of the correction grooves 12 and the abutment surfaces on both the inner and outer sides of the crown are the sum of the distance from the cuspid 1b or incisor 1c near the lip to the arch curve 2 and the distance from the cuspid 1b or incisor 1c near the lingual part to the arch curve 2. In fig. 5, the two incisors 1c are misaligned in which the distance from the outer side of the most protruded incisor 1c to the arch curve 2 is L1 and the distance from the inner side of the most dented incisor 1c to the arch curve 2 is L2, and the width of the abutment surface of the orthodontic groove 12 to the crown is L1+ L2.

The traction type tooth socket in the embodiment fixes the whole tooth socket on a tooth crown through the molar fixing groove 11, so that deviation is avoided, and wearing is facilitated. The guide rail type arc-shaped structure of the correction groove 12 guides the cuspid 1b and the incisor 1c which are easy to misplace, so that the cuspid 1b and the incisor 1c are produced in a space limited in the correction groove 12 and slowly move towards the dental arch curve 2 to guide the reasonable arrangement of the deciduous teeth, prevent the reasonable arrangement deviation of the deciduous teeth and meet the growth requirement of the children on the quick teeth.

Referring to fig. 2 and 4, the mouthpiece body is integrally formed and has an inner portion 31, an outer portion 32 and a bite portion 33 connecting the inner portion 31 and the outer portion 32, the inner portion 31 is a side close to the tongue, the outer portion 32 is a side close to the lip, the bite portion 33 is located at an end of the inner portion 31 and the outer portion 32 and abuts an end of the crown, and inner walls of the inner portion 31, the outer portion 32 and the bite portion 33 define a receiving groove 1. The inner walls of the inner part 31, the outer part 32 and the occlusal part 33 at the portion of the molar fixing groove 11 are shaped to completely match the molars, i.e., the molar fixing groove 11 is a tooth groove completely fitting the shape of the molars and can be fixed to the molars. The inner walls of the medial portion 31, lateral portion 32 and bite portion 33 at the correction slot 12 are smooth arcuate structures with an arc conforming to the arch curve 2. Thus, the inner wall of the inner part 31 contacts with the inner surface of the recessed crown, the inner wall of the outer part 32 contacts with the outer surface of the protruding crown, the occlusion part 33 contacts with the highest crown surface, and the inner part 31 and the outer part 32 generate an expansion force to the crown by using their own elasticity, thereby performing a correction function. As shown in FIG. 4, the outer portion 32 now contacts the most protruding crown end, creating an expansion force F on the crown.

The tooth socket body is integrally formed by elastic membranes, and the membranes can be made of polyurethane or polytetrafluoroethylene. The diaphragm of elasticity material makes the facing body have fine deformation and the ability of recovering deformation, wears easily, comes to produce the expansion force to the dental crown through the elastic deformation of facing body self simultaneously, plays the correction effect.

In one embodiment, the thickness of the diaphragm at the correction groove 12 is greater than the thickness of the diaphragm at the molar fixation groove 11. Since the molar fixing groove 11 only plays a role of fixing the mouthpiece body, the molar fixing groove 11 does not need to correct the molar to generate an expansive force because the diaphragm at the molar fixing groove 11 does not need to be too thick as long as it can play a fixing role. However, the diaphragm located in the orthodontic groove 12 needs to exert a correction effect by pressing the incisor 1c and the canine 1b in the orthodontic groove 12 by its own elasticity and generating an expansive force to the crown. Therefore, the diaphragm with thicker thickness is selected to increase the self elasticity of the diaphragm, generate larger expansion force to the dental crown and improve the correction effect. The design of the diaphragms with different thicknesses can meet the requirement of orthodontics and save materials according to the stress requirements of different areas.

In one embodiment, the diaphragm is made of transparent materials, so that the tooth socket body has a good invisible effect, the whole tooth socket belt can achieve the invisible purpose, and the appearance is good.

In one embodiment, referring to fig. 1, a protrusion 4 is further disposed on an outer wall of the mouthpiece body, the protrusion 4 is disposed at any one of the molar fixing grooves 11, and the protrusion 4 has a catching groove communicated with the molar fixing groove 11. Because the side wall of the molar is provided with the positioning, when the positioning card is clamped into the fastening groove, the stability of the connection between the molar fixing groove 11 and the tooth socket body can be improved. Because children's tooth usually includes four molars, two of them molars are located one side, and two other molars are located one side, can set up arch 4 two, and two arch 4 are respectively in the position of two molars fixed slot 11 of tip, and two arch 4 symmetries like this can improve the stability that facing body and dental crown are connected. Of course, in order to further improve the stability of the connection between the shell body and the crown, the corresponding protrusion 4 may be provided on the molar fixing groove 11 corresponding to each molar.

The protrusions 4 are disposed on the outer wall of the outer side portion 32, and the fastening grooves defined by the protrusions 4 are of a square structure.

The production method of the traction type tooth socket specifically comprises the following steps:

step one, modeling, namely establishing a dental model according to teeth and a palate part of a patient.

During modeling, the oral cavity of the patient is scanned by the three-dimensional scanner to obtain a three-dimensional model of the dental model, and the three-dimensional model of the dental model obtained by the three-dimensional scanner has higher precision. Of course, in other embodiments, the three-dimensional model of the patient's dental model can be obtained in other ways, such as by first taking a negative impression of the mouth, then scanning the negative impression and calculating to obtain the three-dimensional model of the patient's dental model. The method for establishing the dental model is not limited, and only the dental model can restore the teeth of the patient.

And step two, trimming the model, namely correcting the dental model to obtain a traction type three-dimensional model, wherein the molar part of the traction type three-dimensional model is the same as the dental model, the cuspid 1b and incisor 1c parts of the traction type three-dimensional model are of guide rail type arc structures, the cuspid 1b and incisor 1c parts of the traction type three-dimensional model are smooth curved surfaces, and the radian of the smooth curved surfaces is consistent with that of the dental arch curve 2.

The trimming model comprises the steps of measuring the distance L1 from the outer side of the most protruded incisor 1c to the dental arch curve 2 and the distance L2 from the inner side of the most sunken incisor 1c to the dental arch curve 2, filling cuspid 1b and incisor 1c parts of the dental jaw model to obtain a correction part which is centered along the dental arch curve 2 and has the width of L1+ L2, and obtaining the filled dental jaw model which is the traction type three-dimensional model.

And step three, printing the three-dimensional model, and printing the traction type three-dimensional model in the step two through a three-dimensional printer. And importing the traction type three-dimensional model into a three-dimensional printer, and printing a physical model of the traction type three-dimensional model through the three-dimensional printer.

And step four, manufacturing the tooth socket, namely forming a tooth socket body on the outer side of the physical model of the traction type three-dimensional model by utilizing the sheet-shaped membrane.

In this embodiment, the dental mouthpiece body is formed on the outer side of the physical model of the pull-type three-dimensional model by the sheet-shaped diaphragm through a hot press molding method, and the adopted equipment is a film pressing machine.

The whole tooth socket is fixed on the crown of the tooth through the molar fixing groove 11, so that the traction type tooth socket obtained by the method cannot deviate and is convenient to wear. The guide rail type arc-shaped structure of the correction groove 12 guides the cuspid 1b and the incisor 1c which are easy to misplace, so that the cuspid 1b and the incisor 1c are produced in a space limited in the correction groove 12 and slowly move towards the dental arch curve 2 to guide the reasonable arrangement of the deciduous teeth, prevent the reasonable arrangement deviation of the deciduous teeth and meet the growth requirement of the children on the quick teeth.

And step five, manufacturing the tooth socket assembly, gradually enlarging the dental arch curve 2 according to the growth of the teeth of the patient, and printing a plurality of tooth socket bodies with different sizes. The plurality of mouthpiece bodies are identical in shape, but differ in reference to the arch curve 2.

In the growing process of the children, the width of the dental arch can be enlarged, so that the dental arch curve 2 is changed, but the arrangement of teeth can not be changed greatly. Therefore, the average value of the change of the dental arch width of the child within a certain time is collected, the dental arch curve 2 is adjusted, and then the traction type three-dimensional model is adjusted to obtain different traction type three-dimensional models. And repeating the third step and the fourth step to obtain the tooth socket component. The tooth socket body with different sizes can be used for correcting the dental arch curve 2 of the child in different periods in the growth process of the child, can not interfere with incisors 1c and cuspids 1b in the growth and development period, saves the cost and meets the requirement of tooth correction of the child.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims (7)

1. The utility model provides a towed facing, includes the facing body, the inside holding tank that holds the dental crown that forms of facing body, its characterized in that: the accommodating groove includes a molar fixing groove at both sides and a correcting groove communicating the molar fixing groove, wherein

The shape of the molar fixing groove is matched with the shape of a dental crown of a molar, and the molar fixing groove is used for fixing the tooth socket body on the dental crown;

the correction groove is used for guiding cuspid and incisor, a translation torsion space is left between the correction groove and the cuspid and the incisor, the correction groove is of a guide rail type arc structure, the side wall of the correction groove is a smooth curved surface, and the smooth curved surface of the correction groove is consistent with the radian of a dental arch curve.

2. The pull mouthpiece of claim 1, wherein: the two side walls of the correction groove are respectively abutted with the end part of the cuspid or the incisor close to the lip and the end part of the cuspid or the incisor close to the tongue head.

3. The pull mouthpiece of claim 2, wherein: the width of the two abutting surfaces of the correction groove and the inner side and the outer side of the dental crown is the sum of the distance from the cuspid or the incisor close to the lip to the arch curve and the distance from the cuspid or the incisor close to the tongue head to the arch curve.

4. The pull mouthpiece of claim 1, wherein: the tooth socket comprises a tooth socket body and is characterized in that the tooth socket body is integrally formed, the tooth socket body is provided with an inner side part, an outer side part and a meshing part for connecting the inner side part and the outer side part, the inner side part is one side close to a tongue, the outer side part is one side close to a lip, the meshing part is located at the end parts of the inner side part and the outer side part, and an accommodating groove is defined and formed in the inner walls of the inner side part, the outer side part and the meshing part.

5. The pull mouthpiece of claim 4, wherein: the inner walls of the inner side part, the outer side part and the occlusion part of the molar fixing groove part are in shape matching with the molar, the inner walls of the inner side part, the outer side part and the occlusion part of the correction groove part are in smooth arc structures, and the radian of each arc structure is consistent with the dental arch curve.

6. The pull mouthpiece of claim 1, wherein: the tooth socket body is integrally formed by an elastic membrane, and the thickness of the membrane at the position of the correction groove is larger than that of the membrane at the position of the molar fixing groove.

7. The pull mouthpiece of claim 1, wherein: the tooth socket is characterized in that a protrusion is further arranged on the outer wall of the tooth socket body and is arranged at any one of the molar fixing grooves, and the protrusion is provided with a fastening groove communicated with the molar fixing groove.

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