CN211156365U - Shell-shaped dental instrument and shell-shaped dental correcting system - Google Patents
Shell-shaped dental instrument and shell-shaped dental correcting system Download PDFInfo
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- CN211156365U CN211156365U CN201921572220.6U CN201921572220U CN211156365U CN 211156365 U CN211156365 U CN 211156365U CN 201921572220 U CN201921572220 U CN 201921572220U CN 211156365 U CN211156365 U CN 211156365U
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Abstract
The utility model discloses a shell-shaped dental instrument, which comprises a shell-shaped body, wherein the shell-shaped body is provided with a plurality of cavities for accommodating teeth, the shell-shaped body is provided with a convex part which is arranged at the corresponding posterior tooth area and protrudes towards the jaw direction, and the side surface of the lip, which is contacted with the teeth, of the outer surface of the shell-shaped body is also provided with a traction part; the back tooth area corresponding to the shell-shaped body is also provided with a retaining part buckled with a retaining accessory arranged on the tooth corresponding to the back tooth area, and when the jaw is dragged, the force direction generated by the action of the retaining part and the retaining accessory is vertical to the force application direction generated by the dragging part; the utility model discloses still include shell form dentistry and rescue the system, including above-mentioned shell form dental appliance, wherein the bellying makes lower jaw incisor and upper jaw incisor tend to align, and traction portion and exterior structure cooperation realize pulling, and setting up of maintenance portion makes casing and tooth be connected the fastening, and the atress direction that maintenance portion and maintenance annex produced is perpendicular with the application of force direction that traction portion produced to it is controllable to make the direction of traction.
Description
Technical Field
The utility model belongs to the field of medical equipment, in particular to shellliform dental instrument and shellliform dental appliance system.
Background
Malocclusion refers to congenital genetic factors or acquired environmental factors such as diseases, bad habits of the oral cavity, dysdonia of teeth replacement, etc., and may also be caused by trauma, periodontal diseases, etc. during the growth and development of children, such as misalignment of teeth, abnormal relationship between upper and lower arch teeth, abnormal size and shape of jaw, facial deformity, etc. The factors and mechanisms underlying malocclusion are intricate and complex, and their occurrence may be a result of a single factor and a single mechanism, or a result of multiple factors or mechanisms acting together. The pathogenesis of the malocclusion deformity can be divided into two categories, namely congenital factors and acquired factors, from the time of the formation of the malocclusion deformity, but aiming at the generation mechanism of the individual malocclusion deformity, the pathogenesis of the malocclusion deformity can be divided into internal genetic factors and external environmental factors. The malocclusion can be corrected by adopting a corrector, such as a fixed corrector, a removable corrector and a functional corrector, wherein the fixed corrector means that the corrector adheres some correction accessories to the tooth surface through a bonding agent, and the correction is performed through the action of a correction arch wire and the correction accessories of the teeth, and the corrector cannot be automatically removed; the removable appliance is composed of a snap ring, an adjacent hook, a base, a correction spring and the like of a fixing device, and the removable appliance is mostly used for preventive correction and blocking correction; the correcting force of the functional corrector for correcting teeth mainly comes from the muscle force of the oromandibular system of a patient.
Extramaxillary traction is also one of the commonly used correction technologies, and the maxillary anterior traction corrector is a corrector which applies correction force to maxillary by using an extraoral device, forwards pulls the maxillary and promotes the mandibular development. The cooperation is rescued with fixing to the place ahead tractor that uses at present often, and the upper jaw place ahead is pull promptly and is rescued ware and fixed bolster and expand the mode that bow jointly pulls and rescued the ware and rescure, and when opening the jaw, the jaw pad is generally pasted or directly set up in the casing top, connects complicatedly to there is the unstable problem of being connected with the tooth, drops easily and influences and rescues the effect, when pulling, because the jaw pad is connected not fastening with the tooth and leads to the problem that the direction of pulling is difficult to control. In addition, because the stealthy ware of rescaling is elastic polymer material, if directly adopt current traction mode to pull when, the stealthy ware of rescaling takes place the deformation easily, leads to stealthy ware of rescaling not laminating with the tooth, and the effect of rescaling descends on the contrary.
Therefore, it is of great interest to develop a dental instrument that can be used in conjunction with a forward retractor to provide stable jaw traction.
SUMMERY OF THE UTILITY MODEL
The utility model provides a shelly dental appliance for the interlock is rebuild, and when carrying out the intermaxillary traction, shelly dental appliance does not take place deformation, has better laminating degree with the tooth, reaches anticipated effect of rescuing.
The utility model provides a system is rescued to shelly dentistry for the cooperation of upper and lower jaw shelly dentistry apparatus is accomplished the interlock and is rebuild and carry out the intermaxillary traction, accomplishes the orthopedic remolding of jaw.
The technical scheme of the utility model as follows:
a shell-shaped dental instrument comprises a shell-shaped body, wherein the shell-shaped body is provided with a plurality of cavities for accommodating teeth, a protruding part for enabling lower jaw incisors and upper jaw incisors to tend to align is arranged on the shell-shaped body in a protruding mode towards the jaw direction at the position of a corresponding posterior tooth area, and a traction part for jaw orthopedic remodeling is further arranged on the side face, in contact with the teeth, of the outer surface of the shell-shaped body; the back tooth area corresponding to the shell-shaped body is also provided with a retaining part which is buckled with a retaining accessory arranged on the tooth corresponding to the back tooth area and prevents the shell-shaped body from being dislocated with the tooth, and when the jaw is pulled, the force application direction generated by the action of the retaining part and the retaining accessory is vertical to the force application direction generated by the pulling part.
Preferably, the part of the convex part facing to the occlusal surface of the jaw dentition is provided with a friction part for increasing stable contact of the upper jaw and the lower jaw during occlusion reconstruction.
Preferably, the traction part and the shell-shaped body are of a split structure or an integrally formed structure.
Preferably, when the traction part and the shell-shaped body are of a split structure, a hole matched with the traction part is further formed in the shell-shaped body, and the traction part penetrates through the shell-shaped body and is connected with the shell-shaped body.
Preferably, the traction part passes through the shell-shaped body and is arranged on the lip side surface of the shell-shaped body in a protruding mode.
Preferably, the traction part is of a split structure, and the split structure is connected to the shell-shaped body through clamping fit between the inner surface and the outer surface of the shell-shaped body respectively.
Preferably, the traction part comprises a bottom part, a connecting rod and a top part, the bottom part is arranged on the inner surface of the shell-shaped body, the connecting rod penetrates through the shell-shaped body to be connected with the top part, and the top part is arranged on the outer surface of the shell-shaped body.
Preferably, the traction part and the shell-shaped body are of a separate structure fixed by bonding.
Preferably, the two traction parts are symmetrically arranged in the anterior tooth area on the side surface of the lip of the shell-shaped body.
The utility model also provides a system is rescued to shelly dentistry, including multiunit dental appliance suit, multiunit dental appliance suit includes that the suit is rescued to at least one set of dentistry, the suit is rescued to dentistry includes: a shell-shaped dental instrument for simultaneous maxilla and mandible as claimed in any one of the preceding claims, wherein two of said shell-shaped dental instruments are adapted for use in combination.
Preferably, the height of the protrusions on the shell-like dental instruments in different sets of dental instruments is gradually reduced with the correction process.
The utility model also provides a system is rescued to shelly dentistry, including multiunit dental appliance suit, multiunit dental appliance suit includes that the suit is rescued to at least one set of dentistry, the suit is rescued to dentistry includes: the dental appliance comprises a first shell-shaped dental appliance and a second shell-shaped dental appliance, wherein the first shell-shaped dental appliance is a shell-shaped dental appliance as described in any one of the above, the second shell-shaped dental appliance comprises a second shell-shaped body, the second shell-shaped body is provided with a plurality of second cavities for accommodating teeth, the second shell-shaped dental appliance is matched with the first shell-shaped dental appliance for use, and a position of the second shell-shaped body corresponding to the bulge part is provided with a limiting part which is matched with the bulge part and has a bite guiding effect.
Preferably, when the second shell-shaped dental appliance is used for an upper jaw, the labial side surface of the outer surface of the second shell-shaped body, which is in contact with teeth, is also provided with a traction part for orthopedic remodeling of a jaw bone.
Preferably, the height of the protrusions on the shell-like dental instruments in different sets of dental instruments is gradually reduced with the correction process.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the invention adopts the technical scheme that a back tooth area of a shell-shaped dental instrument is provided with a convex part for opening occlusion, the labial side surface of a shell-shaped body contacted with teeth is provided with a traction part, and the back tooth area correspondingly provided with the convex part is also provided with a retaining part for carrying out occlusion reconstruction of upper and lower jaws, and when the occlusion is opened, lower incisors and upper incisors tend to align; the friction part is arranged on the convex part, so that the stable contact of the upper jaw and the lower jaw can be increased, and the relative sliding of the upper jaw and the lower jaw during occlusion reconstruction is avoided; when carrying out extramaxillary traction, the portion of pulling drives the tooth bulk movement of shelly dental instrument parcel, sets up the maintenance portion simultaneously, makes shelly dental instrument more firm with the tooth contact with maintenance annex lock, prevents because shelly body is not enough to the dislocation phenomenon that causes of the parcel of tooth, and when extramaxillary traction, the portion of pulling pulls with the place ahead tractor and is connected, and the portion of pulling pulls shelly body and drives the tooth and remove, and the portion of pulling is as the application of force side, the maintenance portion is perpendicular with the application of force direction that the portion of pulling produced with the whole interact of maintenance annex as the stress side of pulling, and its stress direction is perpendicular with the application of force direction that the portion of pulling produced, avoids shelly body to take place deformation and take place to dislocate with the tooth.
Drawings
Fig. 1 is a schematic structural view of a shell-shaped dental instrument according to embodiment 1 of the present invention;
FIG. 2 is another schematic view of the structure of a shell-like dental instrument according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a traction part in embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a dental correction kit according to embodiment 2 of the present invention;
fig. 5 is a schematic structural view of a dental correction kit according to embodiment 3 of the present invention;
fig. 6 is a schematic view of a dental correction set according to embodiment 4 of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are only for illustrating the present invention, and are not intended to limit the scope of the present invention. In practical applications, the improvement and adjustment made by those skilled in the art according to the present invention still belong to the protection scope of the present invention.
For better illustration of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings.
Example 1
Referring to fig. 1 and 2, a shell-shaped dental appliance 1 comprises a shell-shaped body 101, wherein the shell-shaped body 101 is provided with a plurality of cavities for accommodating teeth, a convex part 102 for aligning mandibular incisors and maxillary incisors is convexly arranged on the shell-shaped body 101 in a position opposite to a jaw direction at a corresponding posterior tooth area, and a traction part 3 for orthopedic reshaping of jaws is further arranged on a labial side surface of the outer surface of the shell-shaped body 101, which is in contact with the teeth; the back tooth area corresponding to the shell-shaped body 101 is also provided with a retention part 4 which is buckled with a retention accessory arranged on the corresponding tooth of the back tooth area and prevents the shell-shaped body 101 from being dislocated with the tooth, and when the jaw is dragged, the force direction generated by the action of the retention part 4 and the retention accessory is vertical to the force application direction generated by the traction part 3.
The shell-shaped body 101 is provided with a convex part 102 for opening occlusion and carrying out occlusion reconstruction so that lower incisors and upper incisors tend to align; and the buckling of the retention part and the retention accessory makes the shell-shaped body more fit and stable with the teeth, the force direction generated by the action of the retention part 4 and the retention accessory is vertical to the force application direction generated by the traction part 3, when the jaw is pulled outside, the traction part is connected with the front tractor in a traction way, the traction part pulls the shell-shaped body to drive the teeth to move, the traction part is used as the force application direction, the retention part 4 and the retention accessory are integrally interacted to be used as the force application direction of the traction part, and the force application direction is vertical to the force application direction generated by the traction part 3, so that the shell-shaped body is prevented from deforming or dislocating with the teeth in the traction process.
Furthermore, the part of the convex part 102 facing to the occlusal surface of the jaw dentition is provided with a friction part 103 for increasing the stable contact of the upper jaw and the lower jaw during occlusion reconstruction; as the shell-shaped dental instrument is made of high polymer materials, the relative sliding phenomenon is easy to generate when the upper jaw and the lower jaw are contacted, so that the occlusion relation of the upper jaw and the lower jaw is unstable, the friction part 103 is added on the contact surface of the upper jaw and the lower jaw to increase the friction force of the contact surface, the relative sliding of the upper jaw and the lower jaw is avoided, the upper jaw and the lower jaw are stably contacted when occlusion reconstruction is carried out, and the occlusion induction effect is achieved. The friction part 103 is one or a combination of two or more of a structure having the same texture as the occlusal surface of the tooth, a structure having a frosted surface on the surface, a structure having a protrusion on the surface, a structure having a hollowed surface, or a structure having a hole surface. After the upper jaw and the lower jaw are worn by the shell-shaped dental instrument, the phenomenon that the upper jaw and the lower jaw slide relatively is prevented when the upper jaw and the lower jaw are contacted, and a friction part is added on the contact surface of the upper jaw and the lower jaw so as to increase the stability of the upper jaw and the lower jaw during occlusion reconstruction.
Draw portion 3 for can produce the structure of hook power when drawing, draw portion and go up to be close to lip side department and set up hook portion, produce hook power, do not restrict the structure that produces hook power.
Further, the traction part 3 and the shell-shaped body 101 are of a separate structure or an integrally molded structure.
When the traction part 3 and the shell-shaped body 101 are of an integrally formed structure, the traction part can be of a structure integrally formed by pressing a film, or can be directly cut into a hook-shaped structure on the shell-shaped body 101, the traction part 3 and the shell-shaped body 101 are continuously prepared from the same material, and when traction is performed, the traction part and the shell-shaped body 101 cannot be separated, so that the structure is more stable.
When the traction part 3 and the shell-shaped body 101 are in a split structure, a hole (not shown in the figure) matched with the traction part 3 is further formed in the shell-shaped body 101, and the traction part 3 penetrates through the hole and is convexly arranged on the lip side surface of the shell-shaped body 101; the split structure is respectively connected to the inner surface and the outer surface of the shell-shaped body 101 through clamping fit, namely the traction part 3 is assembled on the shell-shaped body 101, the arrangement method reduces the processing difficulty of the shell-shaped body 101, and traction parts of different specifications can be used for traction treatment according to actual medical record requirements.
Specifically, referring to fig. 3, the traction portion 3 includes a bottom 301, a connecting rod 302 and a top 303, and when in actual use, the inner surface of the shell-shaped body 101 is matched with the hole of the traction portion 3, the bottom 301 is arranged on the inner surface of the shell-shaped body 101, the connecting rod 302 passes through the shell-shaped body 101 and is connected with the top 303, and the connection mode is clamping, threaded connection and the like. The top 303 is located on the outer surface of the shell-like body 101. Specifically, the top 303 is a convex structure or a hook structure, and generates a hooking force when traction is performed. Wherein the inner surface is the side of the shell-shaped body 101 contacting with teeth, and the outer surface is the side contacting with lips.
In other embodiments, when the pulling portion 3 and the shell-shaped body 1 are separate structures, the pulling portion 3 and the shell-shaped body 101 are fixed by adhesion, and at this time, a hole matched with the pulling portion 3 may be formed on the shell-shaped body 101, or a boss (not shown) matched with the pulling portion may be formed on the shell-shaped body.
Further, traction portion 3 is two, and the symmetry is located the anterior teeth district of the labial surface of shell-shaped body 101 conveniently carries out the hook with the place ahead tractor, produces traction force to bilateral symmetry sets up the traction force that can produce the symmetry, pulls the tooth of the tooth left and right sides simultaneously, avoids taking place the direction of traction skew that the traction force inequality produced.
In this example, the "posterior dental area" is defined according to the classification of teeth including premolars and molars, as shown by FDI notation of 4 to 8 teeth and the "posterior dental area" shown by FDI notation of 1 to 3 teeth, in pages 36 to 38 of "introduction to oral medicine" published by Beijing university medical Press, 2 nd edition. The protruding portion 102 provided on the shell-shaped dental apparatus in this embodiment may be only provided in the premolar region, may be only provided in the molar region, may be partially provided in the premolar region and the molar region, may be provided in partial regions of the premolar region and the molar region, or may be provided in both the premolar region and the molar region.
The convex part 102 arranged on the shell-shaped dental appliance extends along the buccal side and the lingual side surfaces of the posterior tooth area of the shell-shaped body, the convex direction is the same as the opening and closing direction of the teeth, and the size of the occlusal surface formed after the convex part extends is the same as that of the occlusal surface of the teeth, so that the occlusion of the teeth after occlusion reconstruction can be simulated.
In other alternative embodiments, the surface of the projection 102 facing the opposing jaw is different in area from the occlusal surface of the posterior dental area of the dentition in which the projection is located. When the surface of the convex part 102 facing the opposite jaw is larger than the area of the occlusal surface of the dentition posterior tooth area where the convex part is located, the convex part 102 provides a larger contact area with the opposite jaw, so as to provide a larger contact surface for occlusion reconstruction, so that the reconstructed occlusion relation is more stable, and a friction part can be arranged on the surface to further increase the contact stability of the upper jaw and the lower jaw. When the surface of the convex part 102 facing the opposite jaw is smaller than the area of the occlusal surface of the dentition posterior tooth area in the convex part, namely the area of one side of the convex part 102 close to the teeth is larger than the area of one side of the occlusal surface of the convex part, in the occlusion process, the teeth are limited by the side wall of the convex part to limit, and the teeth can also be helped to depress.
The inner side surface of the protruding part 102 close to the occlusal surface of the dentition is also provided with a filling part (not shown in the figure) for enhancing the occlusion strength, and the filling part is filled inside the protruding part to provide a supporting force for the protruding part and prevent the protruding part 102 from deforming when the upper jaw and the lower jaw are occluded.
The traction part 3 is matched with a front tractor to complete traction and guide of the upper jaw, the use time of the traction part is 0-6 months, and the protrusion height of the protrusion part 102 is gradually reduced along with the lapse of treatment time.
Since the protruding portion 102 is provided in the posterior tooth region of the dental device body, the wrapping force for the posterior tooth region is insufficient, and the dental device body is likely to fall off from the teeth during the wearing process, and therefore, in order to solve the above technical problems, the retention portion 4 provided in the shell-shaped dental device 1 is configured to accommodate the retention fitting, and when the shell-shaped dental device 1 is worn on the teeth, the retention portion 4 interacts with the retention fitting, so that the shell-shaped body 101 can be effectively prevented from being dislocated from the teeth. At least one retainer 4 is arranged in the posterior tooth area of the shell-shaped body 101. The retainers 4 may be provided on the buccal side and/or lingual side of the teeth on one side, may be provided on the teeth on both sides, and may be provided symmetrically or as needed according to actual medical history. The setting of a plurality of retainers can increase the stability that shell-shaped body and tooth contacted, also provides the stability that whole shell-shaped body and tooth contacted when pulling simultaneously.
The retention part 4 can also be simultaneously arranged in the back dental area and the front dental area, when the traction is carried out between the jaws, the retention part 4 takes the whole tooth jaw as one to be dragged to integrally carry out the upper jaw traction, and the deviation of the correction effect caused by the traction of a single tooth is avoided. The retaining part 4 has at least two forming surfaces (not shown in the figure), when the shell-shaped body 101 is matched with other additional structures (such as retaining accessories) to correct teeth, one of the surfaces can increase the retaining force between the shell-shaped body 101 and the teeth when contacting with the retaining accessories, and when the shell-shaped body is matched with traction, the retaining force is embodied as that the stressed surface of the retaining part is vertical to the traction direction, so that the shell-shaped dental appliance is prevented from being deformed in the traction process, and the correction effect is reduced.
The shell-shaped body 101 can make the covered teeth from the first arrangement state to the second arrangement state, namely, the teeth can be simultaneously corrected during occlusion reconstruction.
Example 2
A shell-like dental appliance system, see fig. 4, comprising a plurality of sets of dental appliances including at least one set of dental appliance sets, the dental appliance sets comprising: the shell-shaped dental instrument 1 for upper and lower jaws, respectively, as described in embodiment 1, wherein the shell-shaped dental instrument 1 is defined as a first shell-shaped dental instrument 1a, and two first shell-shaped dental instruments 1a are used in cooperation.
The arrangement of the traction part 3 on the first shell-shaped dental instrument 1a for the upper jaw can be used for extramaxillary traction, the first shell-shaped dental instrument 1a for the upper jaw is connected with the front tractor through the traction part 3, the traction guidance of the upper jaw is completed in a matching way, and the device is suitable for three types of malocclusion Anshi. Two first shell-like dental instruments 1a are used in cooperation, and the protruding height of each protruding portion is reduced by the cooperation of the two protruding portions, so that deformation of the protruding portion 102 in the sagittal direction is avoided.
The traction part 3 is matched with a front traction device to complete traction and guide of the upper jaw, the use time of the traction part is 0-6 months, and the protrusion height of the protrusion part 102 is gradually reduced in different shell-shaped dental appliances along with the treatment time.
The arrangement of the traction portion 3 of the first shell-shaped dental device 1a for the lower jaw is applicable to the inter-jaw traction, that is, the traction between the upper jaw and the lower jaw, and, for example, a planting nail is arranged on the upper jaw, and the traction portion 3 arranged on the first shell-shaped dental device 1a for the lower jaw is hooked to the planting nail by an elastic member to perform inter-jaw traction, thereby adjusting the positional relationship between the upper jaw and the lower jaw.
For a description of the specific structure of the first shell-like dental implement 1a, see example 1, it will not be expanded here.
Example 3
A shell-like dental appliance system, see fig. 5, comprising a plurality of sets of dental appliances including at least one set of dental appliance sets, the dental appliance sets comprising: the shell-shaped dental instrument 1 according to embodiment 1, wherein the shell-shaped dental instrument 1 is defined as a first shell-shaped dental instrument 1b, and further includes a second shell-shaped dental instrument 2, the second shell-shaped dental instrument 2 includes a second shell-shaped body 201, the second shell-shaped body 201 is provided with a plurality of second cavities for accommodating teeth, the second shell-shaped dental instrument 2 is used in cooperation with the first shell-shaped dental instrument 1b, and a position of the second shell-shaped body 201 corresponding to the protruding portion 102 is provided with a position-limiting portion 203 which is used in cooperation with the protruding portion and has a bite guiding effect.
The first shell-like dental instrument 1b may be used for the upper jaw as well as for the lower jaw.
In this embodiment, the first shell-like dental instrument 1b is used for the upper jaw. At this time, the second shell-like dental instrument 2 is used for the lower jaw.
Like embodiment 2, the first shell-like dental instrument 1b for the upper jaw is provided with the traction part 3, which can be used for extramaxillary traction, and the first shell-like dental instrument 1b for the upper jaw is connected with the front tractor through the traction part 3, and completes traction guidance of the upper jaw in a matching manner, so that the device is suitable for three types of malocclusion of ann's disease.
The traction part 3 is matched with a front tractor to complete traction and guide of the upper jaw, the use time of the traction part is 0-6 months, and the protrusion height of the protrusion part 102 is gradually reduced along with the lapse of treatment time.
With regard to the specific structure of the first shell-like dental implement 1b, see embodiment 1, it is not expanded here.
The first shell-shaped body and the second shell-shaped body are shells with uneven thickness.
The thickness of the first shell-shaped body and the second shell-shaped body is 0.1-2.0 mm.
The hardness and/or the elastic modulus of the friction part of the first shell-shaped body are/is greater than those of other parts of the first shell-shaped body, and the hardness and/or the elastic modulus of the friction part of the second shell-shaped body are/is greater than those of other parts of the second shell-shaped body, so that the local strength is increased, the deformation is prevented, and the correction effect is influenced.
Example 4
A shell-like dental appliance system, see fig. 6, comprising a plurality of sets of dental appliances including at least one set of dental appliance sets, the dental appliance sets comprising: the shell-shaped dental instrument 1 according to embodiment 1, wherein the shell-shaped dental instrument 1 is defined as a first shell-shaped dental instrument 1c, and further includes a second shell-shaped dental instrument 2, the second shell-shaped dental instrument 2 includes a second shell-shaped body 201, the second shell-shaped body 201 is provided with a plurality of second cavities for accommodating teeth, the second shell-shaped dental instrument 2 is used in cooperation with the first shell-shaped dental instrument 1c, and a position of the second shell-shaped body 201 corresponding to the protruding portion 102 is provided with a position-limiting portion 203 which is used in cooperation with the protruding portion and has a bite guiding effect.
In this embodiment, in contrast to embodiment 3, the first shell-like dental device 1c is used for the lower jaw, the second shell-like dental device is used for the upper jaw, and correspondingly, the labial side of the outer surface of the second shell-like body, which is in contact with the teeth, is also provided with a traction portion for orthopedic remodeling of the jaw.
The arrangement of the traction part 3 on the second shell-shaped dental appliance 2 for the upper jaw can be used for extramaxillary traction, the second shell-shaped dental appliance 2 for the upper jaw is connected with the front tractor through the traction part, the traction guide of the upper jaw is completed in a matching way, and the device is suitable for three types of malocclusion of Anshi.
The arrangement of the traction portion 3 in the first shell-shaped dental device 1c for the lower jaw is suitable for the inter-jaw traction, i.e., the traction between the upper jaw and the lower jaw, and, for example, a planting nail is arranged in the upper jaw, and the traction portion 3 provided in the first shell-shaped dental device 1c for the lower jaw is hooked to the planting nail by an elastic member to perform inter-jaw traction, thereby adjusting the positional relationship between the upper jaw and the lower jaw.
The traction part 3 is matched with a front traction device to complete traction and guide of the upper jaw, the use time of the traction part is 0-6 months, and the protrusion height of the protrusion part 102 is gradually reduced in different shell-shaped dental appliances along with the treatment time.
For the specific structure of the first shell-shaped dental instrument 1c and the second shell-shaped dental instrument 2, refer to embodiment 3, and will not be described herein again.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (14)
1. The utility model provides a shellliform dental instrument, includes shellliform body, shellliform body sets up a plurality of cavitys that hold the tooth, shellliform body is equipped with the bellying that makes lower jaw incisor and upper jaw incisor tend to align to jaw direction protrusion in its back tooth district position department that corresponds, its characterized in that: the labial side surface of the outer surface of the shell-shaped body, which is contacted with teeth, is also provided with a traction part for jaw bone orthopedic remodeling; the back tooth area corresponding to the shell-shaped body is also provided with a retention part which is buckled with a retention accessory arranged on the tooth corresponding to the back tooth area and prevents the shell-shaped body from being dislocated with the tooth; when the jaw is pulled outside, the force direction generated by the action of the fixing part and the fixing accessory is vertical to the force application direction generated by the pulling part.
2. A shell-like dental instrument according to claim 1, wherein the portion of the protruding portion facing the occlusal surface of the dentition of the jaw is provided with a friction portion which increases the stable contact of the upper and lower jaws during occlusion reconstruction.
3. A shell-like dental instrument according to claim 1, wherein the traction portion is of a separate or integrally formed construction to the shell-like body.
4. The shell-shaped dental instrument as claimed in claim 3, wherein when the traction part and the shell-shaped body are separate structures, the shell-shaped body is further provided with a hole matched with the traction part, and the traction part passes through the shell-shaped body and is connected and fixed with the shell-shaped body.
5. A shell-like dental instrument according to claim 4, wherein the pull through portion projects through the shell-like body to the labial side of the shell-like body.
6. A shell-like dental instrument according to claim 5, wherein the traction portion is a split structure which is connected to the shell-like body by snap-fitting on the inner and outer surfaces of the shell-like body, respectively.
7. A shell-like dental instrument according to claim 6, wherein the traction portion comprises a bottom portion provided on the inner surface of the shell-like body and connected to the top portion through the shell-like body by the connecting rod, and a top portion provided on the outer surface of the shell-like body.
8. A shell-like dental instrument according to claim 3, wherein the traction portion and the shell-like body are of a separate structure fixed by bonding.
9. A shell-like dental instrument according to claim 1, wherein the two traction portions are symmetrically provided in the labial side anterior tooth region of the shell-like body.
10. The utility model provides a system is rescued to shelly dentistry, includes multiunit dental instrument suit, its characterized in that, multiunit dental instrument suit includes that at least one set dentistry is rescued the suit, the dentistry is rescued the suit and is included: a shell-like dental instrument according to any one of claims 1 to 9 for use on the upper and lower jaw, respectively, two of said shell-like dental instruments being used in cooperation.
11. The shell dental appliance system of claim 10, wherein the protrusion height of the protrusions on the shell dental appliances in different sets of dental appliances gradually decreases with the appliance.
12. The utility model provides a system is rescued to shelly dentistry, includes multiunit dental instrument suit, its characterized in that, multiunit dental instrument suit includes that at least one set dentistry is rescued the suit, the dentistry is rescued the suit and is included: the shell-like dental instrument according to any one of claims 1 to 8, wherein the shell-like dental instrument is a first shell-like dental instrument, and further comprising a second shell-like dental instrument, wherein the second shell-like dental instrument comprises a second shell-like body, the second shell-like body is provided with a plurality of second cavities for accommodating teeth, the second shell-like dental instrument is used in cooperation with the first shell-like dental instrument, and the second shell-like body is provided with a limiting part which is matched with the bulge part and has a bite guiding effect at a position corresponding to the bulge part.
13. The shell dental appliance system of claim 12, wherein when the second shell dental appliance is used in the upper jaw, the labial side of the outer surface of the second shell body that contacts the teeth is further provided with a traction portion for orthopedic reshaping of the jaw.
14. The shell dental appliance system of claim 12, wherein the protrusion height of the protrusions on the shell dental appliances in different sets of dental appliances gradually decreases with the appliance.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921572220.6U CN211156365U (en) | 2019-09-20 | 2019-09-20 | Shell-shaped dental instrument and shell-shaped dental correcting system |
| TW109212081U TWM608387U (en) | 2019-09-20 | 2020-09-15 | Dental instrument, dental instrument kit and dental orthodontic system for treatment of malocclusion |
| PCT/CN2020/115397 WO2021052337A1 (en) | 2019-09-20 | 2020-09-15 | Dental instrument for treatment of malocclusion, dental instrument kit, and orthodontic system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921572220.6U CN211156365U (en) | 2019-09-20 | 2019-09-20 | Shell-shaped dental instrument and shell-shaped dental correcting system |
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| CN211156365U true CN211156365U (en) | 2020-08-04 |
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| CN201921572220.6U Active CN211156365U (en) | 2019-09-20 | 2019-09-20 | Shell-shaped dental instrument and shell-shaped dental correcting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052337A1 (en) * | 2019-09-20 | 2021-03-25 | 上海正雅齿科科技股份有限公司 | Dental instrument for treatment of malocclusion, dental instrument kit, and orthodontic system |
| WO2022218303A1 (en) * | 2021-04-12 | 2022-10-20 | 无锡时代天使生物科技有限公司 | Method for manufacturing shell-shaped dental instrument |
-
2019
- 2019-09-20 CN CN201921572220.6U patent/CN211156365U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052337A1 (en) * | 2019-09-20 | 2021-03-25 | 上海正雅齿科科技股份有限公司 | Dental instrument for treatment of malocclusion, dental instrument kit, and orthodontic system |
| WO2022218303A1 (en) * | 2021-04-12 | 2022-10-20 | 无锡时代天使生物科技有限公司 | Method for manufacturing shell-shaped dental instrument |
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| CP01 | Change in the name or title of a patent holder |
Address after: 200001 6th floor, ganglu Plaza, 18 Xizang Middle Road, Huangpu District, Shanghai Patentee after: Shen Gang Patentee after: Zhengya Dental Technology (Shanghai) Co.,Ltd. Address before: 200001 6th floor, ganglu Plaza, 18 Xizang Middle Road, Huangpu District, Shanghai Patentee before: Shen Gang Patentee before: SHANGHAI SMARTEE DENTI-TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20211210 Address after: Room 122, 2305 Zuchongzhi Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai 201210 Patentee after: Zhengya Dental Technology (Shanghai) Co.,Ltd. Patentee after: Shen Gang Patentee after: Taikang Baibo Medical Group Co.,Ltd. Address before: 200001 6th floor, ganglu Plaza, 18 Xizang Middle Road, Huangpu District, Shanghai Patentee before: Shen Gang Patentee before: Zhengya Dental Technology (Shanghai) Co., Ltd |