CN110063801B - Invisible appliance - Google Patents
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- CN110063801B CN110063801B CN201910432374.3A CN201910432374A CN110063801B CN 110063801 B CN110063801 B CN 110063801B CN 201910432374 A CN201910432374 A CN 201910432374A CN 110063801 B CN110063801 B CN 110063801B
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- 210000004513 dentition Anatomy 0.000 claims description 24
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- 230000006698 induction Effects 0.000 claims description 16
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Classifications
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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
Abstract
The invention provides an invisible appliance, which comprises a single-jaw appliance and/or a double-jaw appliance, wherein the single-jaw appliance comprises a maxillary dental socket and functional auxiliaries, the double-jaw appliance comprises a double-jaw dental socket and functional auxiliaries, the double-jaw dental socket comprises a maxillary dental socket, a mandibular dental socket and a connecting dental plate, and the functional auxiliaries are at least one selected from a palate side plate, a lingual guide wing, an anterior tooth occlusion opening component and an extraoral traction component; the front tooth occlusion opening component comprises a gingival margin bulge and a stress application pad; the extraoral traction component comprises an outer side pipe and an extraoral traction bow, and all the components are made of transparent or semitransparent materials, so that the appliance is invisible; the appliance has wide clinical application range and is suitable for bone facial type II dislocation and slight III dislocation deformity; the invention can provide an efficient correction force system in three dimensions, and especially the correction efficiency in the vertical direction is greatly improved.
Description
Technical Field
The invention belongs to the technical field of stomatology, and particularly relates to an invisible appliance.
Background
The malocclusion deformity is deformity of teeth and jawbone caused by congenital genetic factors and/or acquired environmental factors in the growth and development process of children, and is manifested by uneven teeth, jawbone deformity and the like, which endangers the health, the beauty and the functions of patients. Bone facial type II and mild type III malocclusions are clinically common malocclusions whose primary pathogenesis is a non-modulated sagittal positional relationship of the maxilla and mandible and/or dentition. Wherein the bone facial type II deformity is manifested by underdevelopment of mandible with or without excessive development of maxilla; mild class III malocclusions appear as molar mild class III relationships, often with anterior inverse dentition, with or without mild misalignment of the sagittal position of the maxilla and mandible. During the growth and development of children, abnormal dental occlusion often occurs with abnormal jaw development, wherein occlusion disturbance is a major acquired environmental factor contributing to the above mentioned jaw deformity. For example, upper incisors may be tipped inward and deep covered by the teeth, limiting mandibular development, causing or aggravating class II deformities; incisor inverse dentition may force mandibular advancement, causing or aggravating class III malocclusion deformities.
For the patients, the patients should be treated in the early stage of the growth and development peak, the occlusion interference is relieved, the growth and development of the upper and lower jawbones are guided, and the sagittal position relationship of the upper and lower jawbones is coordinated, so that neutral dentition is established and the side appearance is improved. The traditional treatment method is carried out in two steps, wherein the first step adopts a movable appliance or a fixed appliance to relieve occlusion interference, and the second step adopts a functional appliance to guide mandibular growth and/or inhibit forward growth of maxilla. The treatment method has the defects of long treatment course, poor comfort level of the appliance, poor aesthetic degree, poor compliance of patients and the like; and the functional appliance has no function of aligning teeth, is unfavorable for establishing occlusion of the rear teeth, and causes poor aesthetic appearance and poor occlusion function of patients at the stage. Compared with the traditional appliance, the bracket-free invisible appliance has the advantages of attractive appearance, comfort, convenience for oral hygiene maintenance and the like. The prior art of the mandibular leader CN201320028895.0 and the invisible appliance CN201720697007.2 overcome the weaknesses of the traditional fixed appliance in terms of treatment course, comfort and the like, but the following disadvantages still exist: 1, limited clinical application range, is only suitable for Anshi II type and bone facial type II type malocclusion deformity, and can not treat III type malocclusion deformity; 2, the growth of the maxilla cannot be controlled, and in the case of cases accompanied with the vertical and/or sagittal overgrowth trend of the maxilla, the lack of the growth control of the maxilla can obviously affect the curative effect and even cause the treatment failure; 3, the efficiency of opening occlusion by depressing the anterior teeth is lower, and the treatment period is longer for cases with deep occlusions; 4, the efficacy of leading the mandible at night is low, and the patient can not play a role even if wearing an appliance at the moment when the upper jaw and the lower jaw are out of engagement due to the relaxation of perioral muscles during sleeping at night; while growth hormone is secreted vigorously during sleep, it is the golden period that directs the growth and development of the jawbone. These deficiencies limit the clinical scope of application and the effectiveness of the current invisible correction devices.
The "dental engagement" herein is an oral medical professional vocabulary, english is occlusion, dental engagement is the left and right parts of a word, and the word cannot be found in a common word stock, so the word is separately written as "dental engagement".
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention aims to provide an invisible appliance, which overcomes many drawbacks existing in the prior art, improves the efficiency and effectiveness of the appliance, expands the clinical application range, and has the characteristics of comfortable wearing, attractive appearance, and the like.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
an invisible appliance comprises a single-jaw appliance and/or a double-jaw appliance, wherein the single-jaw appliance comprises a maxillary dental socket and functional accessories, the double-jaw appliance comprises a double-jaw dental socket and functional accessories, the double-jaw dental socket comprises a maxillary dental socket, a mandibular dental socket and a connecting dental plate, and the functional accessories are at least one selected from a palate side plate, a lingual guide wing, an anterior dental occlusion opening assembly and an extraoral traction assembly;
the maxillary dental sleeve and the bi-maxillary dental sleeve cover the whole dentition, or cover dentition fragments formed by single or multiple teeth in a dental arch, or cover partial crowns of a certain dentition fragment;
the connecting dental plywood is positioned between the upper jaw tooth sleeve and the lower jaw tooth sleeve and connects the upper jaw tooth sleeve and the lower jaw tooth sleeve into a whole;
the palate side plate is connected with the palate side gingival margin of the maxillary dental socket and covers the palate side mucosa of the maxillary;
the lingual guide wing is connected to the lingual gingival margin of the mandibular dental socket and covers the lingual gingival mucosa of the mandible;
the front tooth occlusion opening component comprises a gingival margin bulge and a stress application pad; the gingival margin bulge is a cavitation bulge structure at the junction of the front end of the palate side plate and the gingival margin of the palate side of the maxillary anterior tooth; the stress application pad is an elastic pad and is connected with the front end of the gingival margin bulge; the front end of the stress application pad is abutted against the side surface of the anterior maxillary dental palate;
the extraoral traction assembly comprises an outer pipe and an extraoral traction bow, the outer pipe is positioned on the cheek side surface of the connecting dental plate, the extraoral traction bow is made of metal wires, and the intraoral end of the extraoral traction bow is inserted into the outer pipe; the middle section spans the mouth corner area, and the outer end of the mouth is connected with an outer anchorage device;
the upper jaw tooth socket, the lower jaw tooth socket, the connecting tooth plywood, the palate side plate and the lingual guide wing of the invisible appliance are all made of transparent or semitransparent materials, so that the appliance is invisible.
The palate side plate provides a connecting part for gingival ridge bulge, can be used for stabilizing the width of dental arch and enhancing the transverse control of dental arch; the lingual guide wing has the function of guiding the mandibular bone or strengthening the support of the mandibular tooth socket mucous membrane. The gum edge bulge provides an attachment part for the stress application pad, the stress application direction can be accurately regulated and controlled, the elastic thrust of the stress application pad can effectively incline lips and lower front teeth, the front teeth occlusion is opened, the vertical control on an occlusion plane is enhanced, the deep covered occlusion is corrected, the front teeth inverse occlusion is corrected, the front teeth occlusion interference is relieved, and the normal front teeth covered occlusion coverage is facilitated. The external tube provides an attachment part for an external traction bow, and the external traction bow can be connected with an external anchorage device, so that the growth of maxilla and/or maxillary dentition in the vertical direction and the sagittal direction can be effectively controlled, the overgrowth of the maxilla is inhibited, the forward and upward rotation of mandible growth is facilitated, the occlusion relationship of rear teeth and the coverage of front teeth are improved, the position relationship of the maxillary and the mandibular bone is coordinated, and the occlusion function and the facial beauty are improved.
Preferably, the gingival ridge is functionally divided into lip-inclined and depressed ridge; the force-applying pad positioned at the front end of the lip-tilting type bulge is propped against the lingual bulge on the palate side of the anterior maxillary tooth from back to front, and the force-applying pad positioned at the front end of the pressing type bulge is propped against the lingual fossa on the palate side of the anterior maxillary tooth from bottom to top.
Preferably, the connection mode of the stress application pad and the gingival margin bulge is chemical combination or detachable mechanical connection mode.
Preferably, the width of the stress application pad is the distance from the junction of the stress application pad and the gingival ridge to the junction of the stress application pad and the anterior palate side tooth surface, and the width of the stress application pad is 2 mm, or 2.5 mm, or 3 mm, or 3.5 mm, or 4 mm. On the same appliance, the booster pads of different widths can be assembled at different correction steps to apply continuous or different magnitudes of correction force to the anterior teeth.
Preferably, the connecting dental plate is positioned between the occlusal surfaces of the upper and lower jaw dental sleeves after occlusion reconstruction, and the positions of the upper and lower jaw dental sleeves are fixed at the target position after occlusion reconstruction, so that the function of leading the lower jaw or backing the lower jaw is exerted.
As a preferred mode, the appliance comprises a tooth stabilizing type appliance, a tooth induction type appliance and a tooth correction type appliance, wherein the tooth socket of the tooth stabilizing type appliance corresponds to the tooth arrangement original position of a wearer, and the space for accommodating teeth is the same as the tooth size; the tooth socket of the tooth induction type appliance corresponds to the tooth arrangement original position of a wearer, and the space for accommodating the teeth comprises a space occupied by the teeth and an induction space, so that the teeth can be induced to sprout or move into the induction space; the tooth correcting appliance comprises a set of multiple pairs of continuous correcting appliances, the tooth sleeve and the front tooth occlusion opening component of each pair of correcting appliances respectively correspond to tooth arrangement positions of each step obtained by digital tooth arrangement, and teeth can be moved step by step.
The system comprises a plurality of groups of appliances, each appliance is obtained according to digital tooth arrangement, each appliance corresponds to one group of appliances, each group of appliances comprises two pairs of single-jaw appliances and double-jaw appliances, and the system can be worn in the daytime and at night respectively. The single jaw appliance aligns dentition during the day while providing good aesthetics and comfort without affecting mandibular functional movement. The mandibular appliance directs mandibular growth and control maxillary growth during night.
Preferably, the maxillary dental socket and/or mandibular dental socket is provided with a cavitation structure, the corresponding dental surface is provided with an adhesive accessory, the external surface of the adhesive accessory is consistent with the internal surface of the cavitation structure in shape and size, and the adhesive accessory and the inner wall of the cavitation structure are mechanically embedded to fix the dental socket on the teeth.
Preferably, the extraoral traction bow is made of metal wires and is provided with a bow-shaped bending, and the bow-shaped bending comprises a first bending section, a second bending section and a third bending section which are sequentially connected, wherein the bending direction of the first bending section is opposite to that of the second bending section, and the bending direction of the first bending section is the same as that of the third bending section.
The beneficial effects of the invention are as follows:
the front tooth occlusion opening component of the appliance can quickly remove the occlusion interference at the initial stage of treatment, provides a favorable environment for coordinating the growth of the upper and lower jawbes, shortens the treatment period, and has the advantages of comfortable wearing, attractive appearance and the like.
The appliance has wide clinical application range and is suitable for bone facial type II dislocation and slight III dislocation deformity; especially has high correction efficiency for Anshi II high angle and Anshi II class II classification malocclusion deformity, and can effectively solve the clinical difficult problem.
The appliance of the invention reasonably combines the correction force and the orthopedic force. The correction force is soft and continuous, and is suitable for tooth movement; the orthopedic force is intermittent gravity, is suitable for controlling the growth of the jawbone or the whole dental arch, is applied to the upper jaw to control the growth quantity and the growth direction of the upper jaw, and can control the upper jaw occlusal plane. The correction system can provide correction force all the day, can provide correction force at night when the growth hormone secretion of a patient is vigorous, and can position the mandible at the position of occlusion reconstruction, so that the correction efficiency is remarkably improved.
The appliance can provide an efficient appliance force system in a three-dimensional direction, and particularly the appliance efficiency in a vertical direction is greatly improved. The prior invisible correction technology has weaker control efficiency on dentition in the vertical direction, and the control in the direction is particularly important to the curative effect of the Anshi type II dislocation. The appliance can effectively control the growth of the maxilla and/or the maxillary dentition in the vertical direction and the sagittal direction by combining the extraoral traction, inhibit the overgrowth of the maxilla, and facilitate the forward and upward rotation of the mandible growth, thereby improving the molar relationship and the facial appearance. The front teeth occlusion opening component of the appliance can effectively lip tilt the front teeth and depress the front teeth, efficiently open the occlusion, correct deep covered dentition, be beneficial to establishing normal covered dentition coverage and strengthen the vertical control of a dentition plane.
Drawings
FIG. 1 is a schematic overall construction of the present invention, wherein FIG. 1 (1) is a double jaw appliance; FIG. 1 (2) is a single jaw appliance;
FIG. 2 is a schematic illustration of a single jaw appliance incorporating an anterior bite opening assembly of the present invention, wherein FIG. 2 (1) is a single jaw appliance bite surface view of a labial anterior tooth, FIG. 2 (2) is a single jaw appliance bite surface of a depressed anterior tooth, FIG. 2 (3) is a sagittal view of a labial bulge and booster pad, and FIG. 2 (4) is a sagittal view of a depressed bulge and booster pad;
FIG. 3 is a schematic diagram of the appliance of example 1, wherein FIG. 3 (1) is a bi-jaw inducer and FIG. 3 (2) is a mono-jaw appliance;
FIG. 4 is a schematic diagram of the structure of the example 2 bicuspid appliance;
FIG. 5 is a schematic diagram of the structure of the example 3 bicuspid appliance;
1 is a maxillary dental socket, 2 is a mandibular dental socket, 3 is a connecting dental plate, 4 is an outer side pipe, 5 is an extraoral traction arch, 6 is a lingual guide wing, 7 is a palate side plate, 8 is a gingival margin bulge, 9 is a stress application pad, 10 is a lip tilting bulge, 11 is a depressed bulge, a is a stress application pad width, 51 is a first bending section, 52 is a second bending section, and 53 is a third bending section.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention.
Comparative example
The traditional correction method is carried out in two steps, wherein the first step adopts a movable correction appliance or a fixed correction appliance to relieve occlusion interference, and the second step adopts a functional correction appliance to guide mandibular growth. The fixed appliance consists of a bracket and a steel wire, the movable appliance and the functional appliance are made of resin-based brackets and steel wires, the resin-based brackets wrap part of the steel wires and cover oral mucosa, and the steel wires are bent to form retaining structures such as clamping rings and the like and functional structures such as pushing springs, lip arches, induction wires and the like. The treatment course of the correction is long, the beauty and comfort of the correction device are poor, and the compliance of patients is poor.
The invisible appliance in the prior art consists of a three-dimensional orthodontic tooth socket, a mandibular front inclined plane bite pad and a front tooth depression auxiliary guide plate, has the advantages of attractive appearance, comfort, convenience in maintaining oral hygiene and the like, and has the defects of incapability of controlling growth of maxilla and/or maxillary bite plane, low efficiency of leading mandible at night, low efficiency of depressing front teeth to open and bite and the like.
For 30 patients with class II malocclusion with deep anterior teeth, wearing the inventive example 1, conventional appliance, and prior art appliance in three groups, respectively, the patient was given a wear comfort score (score interval 0-10, 0-2: very intolerant, 2-4: intolerant, 4-6: no significant discomfort, 6-8: comfortable, 8-10: very comfortable), a wear aesthetic score (score interval 0-10, 0-2: very unaesthetic, 2-4: unaesthetic, 4-6: acceptable, 6-8: aesthetic, 8-10: very aesthetic), a statistical treatment duration (month number required for the patient to complete treatment), and a efficacy evaluation, wherein the efficacy evaluation items included a coordinated upper and lower jaw growth improvement (measuring ANB angle, calculating a number that was reduced after treatment compared to that before treatment, a number that was greater), a better improvement (score that was measured before treatment, a number that was greater than before treatment, a number that was calculated to indicate a better anterior teeth coverage). The statistical data are shown in table 1, and it can be seen that for the treatment of the patients, the invisible appliance has the advantages of high comfort and good aesthetic degree, and compared with the traditional correction and the existing invisible correction technology, the invisible appliance has better curative effect, higher correction efficiency of opening anterior occlusion and can obviously shorten the duration of treatment.
TABLE 1
For 27 patients with the vertical and/or sagittal overgrowth trend of the maxilla, the invisible appliance according to the embodiment 2 of the present invention, the conventional appliance and the prior art invisible appliance are used in three groups, respectively, the patient is given a wearing comfort level score (score interval 0-10, 0-2, which is very intolerable, 2-4, which is intolerable, 4-6, which is no obvious discomfort, 6-8, which is comfortable, 8-10, which is very comfortable), a wearing aesthetic level score (score interval 0-10, 0-2, which is very unsightly, 2-4, which is 4-6, which is acceptable, 6-8, which is attractive, 8-10, which is very attractive), a statistical treatment period (month number required for the patient to complete the treatment), and a treatment effect evaluation is performed, wherein the treatment effect evaluation items include a vertical overgrowth coordination amount (angle ANB, which is calculated to be smaller than before the treatment, a positive value is calculated, a vertical coordination amount is higher than before the treatment amount is calculated, a positive value is calculated to be higher than a negative value, a vertical coordination amount is calculated to be higher than after the treatment angle is calculated, a positive value is calculated to be higher than the positive value is calculated to be a positive value, the more than the positive value is calculated to be increased, the treatment effect ratio is calculated to be higher than the positive value is calculated, the positive value is calculated to be the positive value is calculated. The statistical data are shown in table 2, and it can be seen that for the treatment of the patients, the invisible appliance of the invention has the advantages of high comfort level and good aesthetic degree, and simultaneously has the advantages of short treatment course and high vertical control efficiency, so that the invisible appliance is obviously superior to the traditional correction and the existing invisible correction technology.
TABLE 2
Example 1
In this embodiment, the invisible appliance of the present invention is used for treating a patient suffering from a bone facial type II malocclusion accompanied by deep anterior tooth coverage. As shown in fig. 3, comprising a mandibular appliance comprising a maxillary braces 1, a mandibular braces 2, connecting dental plates 3, lingual guide wings 6, palate side plates 7 and an anterior bite opening assembly comprising a maxillary braces 1, palate side plates 7 and an anterior bite opening assembly comprising a gingival margin ridge 8 and a booster pad 9. Each portion of the invisible appliance is made of transparent material. The upper jaw tooth socket 1 covers the upper jaw bilateral cuspids to the cheek-lingual side of the first molar, and the lower jaw tooth socket 2 covers the lingual side of the lower jaw dentition and the labial side of the lower jaw anterior tooth area; the connecting dental plywood 3 is positioned between the occlusal surfaces of the upper and lower jaw dental sleeves after occlusion reconstruction, connects the upper jaw dental sleeves and the lower jaw dental sleeves into a whole, and fixes the positions of the upper jaw dental sleeves and the lower jaw dental sleeves at the target position after occlusion reconstruction so as to play the role of leading the lower jaw; the lingual guide wing 6 is connected to the lingual gingival margin of the mandibular dental socket and covers the lingual gingival mucosa of the mandible; the palate side plate 7 is connected to the palate side gingival margin of the maxillary dental socket and covers the palate side mucosa of the maxillary; the gingival margin bulge 8 is a cavitation bulge structure at the junction of the front end of the palate side plate 7 and the gingival margin of the palate side of the anterior maxillary tooth; the gingival ridge is functionally divided into lip-tilting type and depression type ridges; the stress application pad is an elastic pad and is connected with the front end of the gingival margin bulge. The connection mode of the stress application pad and the gingival margin bulge is a chemical combination or a detachable mechanical connection mode.
In this embodiment, the maxillary dental socket and/or mandibular dental socket has a cavity structure, and the corresponding dental surface is provided with an adhesive attachment, the external surface of the adhesive attachment is consistent with the internal surface of the cavity structure in shape and size, and the adhesive attachment and the inner wall of the cavity fix the dental socket on the teeth through mechanical embedding.
In this embodiment, the invisible appliance of the present invention is a dental appliance, and is composed of a set of multiple sets of appliances in a continuous sequence, wherein the maxillary dental appliance 1, the gingival margin bulge 8 and the mandibular dental appliance 2 of each set of appliances respectively correspond to the tooth positions of each step obtained by digital tooth arrangement, and can move the teeth step by step. Each set of appliance comprises two pairs of single-jaw appliances and double-jaw appliances, and a set of multiple sets of appliances in continuous sequence form an appliance system together. In the labial anterior tooth stage, the gingival margin bulge of the invisible appliance is a labial bulge, and the stress cushion 9 is propped against the lingual bulge of the palate side of the anterior maxillary tooth from back to front; in the stage of depressing the anterior teeth, the gingival margin bulge of the invisible appliance is a depressed bulge, and the stress application pad 9 is abutted against the lingual pit of the palate side of the anterior teeth of the upper jaw from bottom to top.
The using method of the invisible appliance comprises the following steps: the sequential series of sets of appliances are worn in steps, each step corresponding to a set of appliances, i.e., one pair each of a single and a double jaw appliance. The single jaw appliance is worn during the daytime and the double jaw appliance is worn during the evening and night. The single jaw appliance can labially tilt and depress the upper front teeth in the daytime, and simultaneously provides good aesthetic appearance and comfort without affecting the mandibular function movement; the double-jaw appliance can further incline and depress the upper anterior teeth at night, fix the positions of the upper and lower jaws and guide the forward growth of the lower jaw. The gingival margin bulge 8 of the appliance can accurately control the stress application direction, and the elastic thrust of the stress application pad 9 can continuously incline lips and depress anterior teeth, so that occlusion of the anterior teeth can be quickly opened in the early stage of treatment, deep covering occlusion is corrected, occlusion interference is relieved, a favorable environment is provided for coordinating growth of upper and lower jawbones, and the treatment course is shortened.
Example 2
In this embodiment, an invisible appliance for treating a patient with a bone facial type II dislocation with a vertical and/or sagittal overgrowth trend of the maxilla according to the present invention, as shown in fig. 4, comprises a maxillary dental socket 1, a mandibular dental socket 2, a connecting dental plate 3, an outer tube 4, an extraoral traction arch 5, and lingual guide wings 6, wherein each part of the invisible appliance is made of transparent material. The upper jaw tooth socket 1 covers upper jaw whole dentition, and the lower jaw tooth socket 2 covers lingual side of lower jaw dentition and labial side of lower jaw anterior tooth area; the connecting dental plywood 3 is positioned between the occlusal surfaces of the upper and lower jaw dental sleeves after occlusion reconstruction, connects the upper jaw dental sleeves and the lower jaw dental sleeves into a whole, and fixes the positions of the upper jaw dental sleeves and the lower jaw dental sleeves at the target position after occlusion reconstruction so as to play the role of leading the lower jaw; the outer tube 4 is positioned on the cheek side of the connecting dental plate 3, the extraoral traction bow 5 is made of metal wires and is provided with a bow-shaped bend, and the oral inner end of the outer tube 4 is inserted into the outer tube; the middle section spans the mouth corner area, and the outer end of the mouth is connected with an outer anchorage device; the bow-shaped bending comprises a first bending section 51, a second bending section 52 and a third bending section 53, wherein the bending direction of the first bending section 51 is opposite to the bending direction of the second bending section 52, and is the same as the bending direction of the third bending section 53. The lingual guide wing 6 is connected to the lingual gingival margin of the mandibular dental socket and covers the lingual gingival mucosa of the mandible; acting to guide the mandibular bone forward.
In this embodiment, the invisible appliance of the present invention includes a tooth-induced type, a tooth-stabilized appliance, wherein the upper jaw shell 1 and the lower jaw shell 2 of the tooth-stabilized appliance correspond to the tooth arrangement positions of the wearer, and the space for accommodating the teeth is the same as the size of the teeth; the upper jaw tooth socket 1 and the lower jaw tooth socket 2 of the tooth induction type appliance correspond to tooth arrangement positions of a wearer, tooth positions corresponding to teeth are not completely erupted in a tooth replacement period, and the space of the tooth socket for accommodating the teeth comprises a space occupied by the teeth and an induction space, so that the teeth can be guided to erupt or move into the induction space.
The using method of the invisible appliance comprises the following steps: the patient wears the appliance in the evening and at night, and wears the head cap of the external anchorage device. The appliance fixes the position relation of the upper and lower jawbones at a target position and guides the mandible to grow forwards; simultaneously, the extraoral traction bow connector cap of the appliance transmits extraoral traction to the whole maxillary dentition and the maxilla through the appliance, thereby effectively controlling the growth of the maxillary dentition and/or the maxillary dentition in the vertical direction and the sagittal direction. The appliance is beneficial to the forward and upward rotation of the growth of the lower jaw when leading the lower jaw, so that the occlusion relationship and the front tooth coverage of the lower jaw are improved, the position relationship of the upper jaw and the lower jaw is coordinated, the occlusion function and the facial beauty are improved, and the appliance is particularly beneficial to patients with Anshi type II high angles.
Example 3
In this embodiment, the present invention provides an invisible appliance for treating patients with mild class III malocclusions. As shown in fig. 5, comprises a maxillary dental sleeve 1, a mandibular dental sleeve 2, a connecting dental plate 3, lingual guide wings 6, a palate side plate 7, gingival margin ridges 8 and a force pad 9. Each portion of the invisible appliance is made of transparent material. The upper jaw tooth socket 1 covers upper jaw bilateral cuspids to cheek-lingual sides of first molar teeth, and the lower jaw tooth socket 2 covers crown-lingual sides and crown-labial sides of lower jaw front teeth by 1/2; the connecting dental plywood 3 is positioned between the occlusal surfaces of the upper and lower jaw dental sleeves after occlusion reconstruction, connects the upper jaw dental sleeves and the lower jaw dental sleeves into a whole, and fixes the position relationship between the upper jaw dental sleeves and the lower jaw dental sleeves at the target position after occlusion reconstruction, thereby playing the role of backing the lower jaw; the lingual guide wing 6 is connected to the lingual gingival margin of the mandibular dental socket and covers the lingual gingival mucosa of the mandibular dental socket to play a role in strengthening the support of the mucosa of the mandibular dental socket; the palate side plate 7 is connected to the palate side gingival margin of the maxillary dental socket and covers the palate side mucosa of the maxillary; the gingival margin bulge 8 is a cavitation bulge structure at the junction of the front end of the palate side plate 7 and the gingival margin of the palate side of the anterior maxillary tooth; the gum edge bulge is divided into a lip-tilting bulge and a depressed bulge according to functions, the stress application pad is an elastic pad and is connected with the front end of the gum edge bulge, the stress application pad positioned at the front end of the lip-tilting bulge is propped against the lingual bulge on the palate side of the anterior maxilla from back to front, and the stress application pad positioned at the front end of the depressed bulge is propped against the lingual fossa on the palate side of the anterior maxilla from bottom to top;
in this embodiment, the invisible appliance is a tooth induction type, the maxillary dental socket 1 and the mandibular dental socket 2 correspond to the tooth arrangement original positions of the wearer, the teeth corresponding to the teeth do not completely erupt in the tooth replacement period, the space of the dental socket for accommodating the teeth comprises the space occupied by the teeth and an induction space, and the teeth can be guided to erupt into the induction space; the mandibular dental socket 2 forms an inducing space on the lingual side of the corresponding mandibular anterior teeth, and guides the mandibular anterior teeth to incline to the lingual side.
In this embodiment, the force pad 9 is mechanically connected to the gingival ridge 8. Mechanically linked pads 9 can be assembled and disassembled; the force pad 9 is pressed against the lingual bulge of the palate side of the anterior maxillary tooth from the back to the front. The width of the pad is the distance from the junction of the pad 9 with the ridge 8 to the junction of the pad with the anterior palate side facet. The appliance gradually tips the upper incisors in multiple steps, the width of the stress application pad adopted in each step is sequentially 2 mm, or 2.5 mm, or 3 mm, or 3.5 mm, or 4 mm, and continuous correction force can be applied to the upper incisors until the upper incisors tip to establish normal anterior tooth coverage.
The using method of the invisible appliance comprises the following steps: the connecting dental plate of the appliance fixes the position relationship of the upper and lower jawbones so as to enable the lower jaw to retreat. The appliance enables the force of mandible retreating to be transmitted to the whole mandible through the lower front teeth, the lower front teeth are inclined by the rear thrust acted on the lower front teeth, and the mandibular tooth sleeve forms an induction space on the lingual side of the corresponding mandibular front teeth, so that the mandibular front teeth are inclined to the lingual side; meanwhile, the elastic thrust of the stress application pad continuously tilts the anterior teeth on the lips, so that the inverse dentition of the anterior teeth can be quickly corrected in the early treatment stage, the occlusion interference is relieved, and a favorable environment is provided for coordinating the growth of the upper and lower jawbone. The appliance has small volume, the mandibular dental socket only covers partial crowns of the front teeth, and the effect on the oral cavity functional movement is small, so that the appliance can be worn at night and in daytime, and the patient can wear the appliance for more than 20 hours per day. The appliance has the advantages of high wearing comfort, high aesthetic degree, good wearing compliance and longer wearing time every day, ensures full play of the correction efficiency and improves the correction efficiency.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims of this invention, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the invention disclosed herein.
Claims (6)
1. An invisible appliance, characterized in that: the device comprises a single-jaw appliance and/or a double-jaw appliance, wherein the single-jaw appliance comprises an upper jaw tooth socket and a functional auxiliary part, the double-jaw appliance comprises a double-jaw tooth socket and a functional auxiliary part, and the double-jaw tooth socket comprises an upper jaw tooth socket, a lower jaw tooth socket and a connecting tooth plate; the functional auxiliary comprises a palate side plate and a lingual guide wing, and at least one of an anterior tooth occlusion opening component and an extraoral traction component;
the maxillary dental sleeve and the bi-maxillary dental sleeve cover the whole dentition, or cover dentition fragments formed by single or multiple teeth in a dental arch, or cover partial crowns of a certain dentition fragment;
the connecting dental plywood is positioned between the upper jaw tooth sleeve and the lower jaw tooth sleeve and connects the upper jaw tooth sleeve and the lower jaw tooth sleeve into a whole;
the palate side plate is connected with the palate side gingival margin of the maxillary dental socket and covers the palate side mucosa of the maxillary;
the lingual guide wing is connected to the lingual gingival margin of the mandibular dental socket and covers the lingual gingival mucosa of the mandible;
the anterior bite opening assembly comprises a gingival ridge bulge and a force application pad; the gingival margin bulge is a cavitation bulge structure at the junction of the front end of the palate side plate and the gingival margin of the palate side of the maxillary anterior tooth; the stress application pad is an elastic pad and is connected with the front end of the gingival margin bulge; the front end of the stress application pad is abutted against the side surface of the anterior maxillary dental palate;
the extraoral traction assembly comprises an outer pipe and an extraoral traction bow, the outer pipe is positioned on the cheek side surface of the connecting dental plate, the extraoral traction bow is made of metal wires, and the intraoral end of the extraoral traction bow is inserted into the outer pipe; the middle section spans the mouth corner area, and the outer end of the mouth is connected with an outer anchorage device;
the upper jaw tooth sleeve, the lower jaw tooth sleeve, the connecting tooth plywood, the palate side plate and the lingual guide wing of the invisible appliance are all made of transparent or semitransparent materials, so that the appliance is invisible;
the gingival ridge is functionally divided into lip-tilting type and depression type ridges; the stress application pad positioned at the front end of the lip-tilting type bulge is propped against the lingual bulge on the palate side of the anterior maxillary tooth from back to front, and the stress application pad positioned at the front end of the pressing type bulge is propped against the lingual fossa on the palate side of the anterior maxillary tooth from bottom to top;
the extraoral traction bow is made of metal wires and is provided with a bow-shaped bending, the bow-shaped bending comprises a first bending section, a second bending section and a third bending section which are sequentially connected, wherein the bending direction of the first bending section is opposite to that of the second bending section, and the bending direction of the first bending section is the same as that of the third bending section;
the upper jaw tooth socket and/or the lower jaw tooth socket are/is provided with a cavitation structure, the corresponding tooth surface is provided with an adhesive accessory, the outer surface of the adhesive accessory is consistent with the inner surface of the cavitation structure in shape and size, and the adhesive accessory and the inner wall of the cavitation are mechanically embedded to fix the tooth socket on the teeth.
2. The invisible appliance of claim 1, wherein: the connection mode of the stress application pad and the gingival margin bulge adopts chemical combination or a detachable mechanical connection mode.
3. The invisible appliance of claim 1, wherein: the width of the force pad is the distance from the junction of the force pad and the gingival ridge to the contact of the force pad and the tooth surface on the side of the anterior palate, and the width of the force pad is 2 mm, or 2.5 mm, or 3 mm, or 3.5 mm, or 4 mm.
4. The invisible appliance of claim 1, wherein: the connecting dental plywood is positioned between the occlusal surfaces of the upper and lower jaw dental sleeves after occlusion reconstruction, and the positions of the upper jaw dental sleeve and the lower jaw dental sleeve are fixed at the target position after occlusion reconstruction, so that the role of leading the lower jaw or backing the lower jaw is played.
5. The invisible appliance of claim 1, wherein: the tooth appliance comprises a tooth stabilizing type, a tooth induction type and a tooth correction type, wherein the tooth socket of the tooth stabilizing type appliance corresponds to the tooth arrangement original position of a wearer, and the space for accommodating teeth is the same as the size of the teeth; the tooth socket of the tooth induction type appliance corresponds to the tooth arrangement original position of a wearer, and the space for accommodating the teeth comprises a space occupied by the teeth and an induction space, so that the teeth can be induced to sprout or move into the induction space; the tooth correcting appliance comprises a set of multiple pairs of continuous correcting appliances, the tooth sleeve and the front tooth occlusion opening component of each pair of correcting appliances respectively correspond to tooth arrangement positions of each step obtained by digital tooth arrangement, and teeth can be moved step by step.
6. The invisible appliance of claim 1, wherein: the digital tooth correction system comprises a correction system which comprises a plurality of groups of correction devices, each correction step is obtained according to digital tooth arrangement, each correction step corresponds to one group of correction devices, and each group of correction devices comprises two pairs of single-jaw correction devices and two pairs of double-jaw correction devices.
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