Invention content
In view of the above-mentioned drawbacks of the prior art or insufficient, first of the invention is designed to provide one kind and rescues outThe appliance of tooth fastening deformity, for preventing and rescuing growth and development stage milk teeth period to permanent teeth initial stage caused by tongue bad habitTooth, functionality and skeletal open bite or III class or the correction of II malocclusion, are trained by tongue, and really split tooth closes or III classOr II malocclusion have correcting, confirmed by clinical trial.
Second object of the present invention is to provide a kind of preparation method of appliance that rescuing open bite deformity, the applianceJaw is split type above and below makes respectively, does not seek relationship, not upper jaw frame, and production method is flexibly, fast, simply.
Third object of the present invention is to provide a kind of appliances for rescuing open bite deformity for rescuing tongue bad habitLead to out tooth conjunction and/or the application of II class and/or class Ⅲ malocclusion jaw abnormality.
In order to achieve the above-mentioned object of the invention, the present invention uses following technical solution：
Defer to first purpose of the present invention, a kind of appliance for rescuing open bite deformity, including base, the baseFor according to the human mouth upper jaw and/or lower jaw shape making model component, the base include at least with the upper jaw and/or underThe binding face of jaw fitting and the shiny surface contacted with tongue week；
Fixed tooth of grinding one's teeth in sleep closes surface rest on the base, and tooth of grinding one's teeth in sleep closes surface rest and is arranged at premolar teeth and/or millTooth position；The fixed fixed shackle member also on the base, fixed shackle member are stuck on tooth periphery and/or are stuck in adjacent teeth seam；
In particular, when the base is lower jaw base, lingual surface is set in premolar teeth to the position ground one's teeth in sleep that is located at of baseProtrusion is raised, lingual surface raises protrusion for raising tongue body.
Optionally, the lingual surface is raised raised gradually thick towards tooth direction along oral cavity center, and lingual surface raises protrusionDistalmost end endpoint is 1~3mm away from mouth bottom.
Optionally, the lingual surface raises the round and smooth protrusion that protrusion is conoid shape, and the thickness that lingual surface raises protrusion is 1~1.5cm, the length that lingual surface raises protrusion are 1.5~2.5cm.
Optionally, the fixation shackle member includes at least one grind one's teeth in sleep arrow card and at least one labial teeth lip bow, describedArrow card of grinding one's teeth in sleep be plugged in adjacent molars tooth close surface rest between periodontal shackle member, the labial teeth lip bow for card sets packetIt is trapped among the arcuation periodontal shackle member in labial teeth area.
Optionally, labial teeth lip bow includes a pair of of U-typed song and connects the crossbeam of the U-typed song, and U-typed is bentAt canine tooth, the crossbeam is enclosed in labial teeth area；
Labial teeth lip bow is bent with the steel wire of a diameter of 0.7~0.9mm, and U-typed song from canine tooth it is close in 1/3 and in from 1/3Turnover is bent downwards, and the width of U-typed song is 4~5mm, at the length to the downward 3~4mm of canine tooth neck of U-typed song again upwards acrossCanine tooth and premolar teeth neighbour gap are crossed, crossbeam is located in labial teeth at 1/3 height.
Optionally, the fixation shackle member includes at least one embrasure hook of grinding one's teeth in sleep, one end of the embrasure hook of grinding one's teeth in sleepIt is fixed on base, the other end for embrasure hook of grinding one's teeth in sleep is fastened in teeth space；
Embrasure hook of grinding one's teeth in sleep is bent with 0.8~1.0mm stainless steel wires, and embrasure hook cheek side free-end of grinding one's teeth in sleep deeply abuts under contactSquare gap, it is tight that two adjacent teeth gaps steering jaw face paste is close in embrasure hook cheek side of grinding one's teeth in sleep.
Optionally, it is in bending type that the tooth of grinding one's teeth in sleep, which closes surface rest according to corona angle of inclination, and tooth of grinding one's teeth in sleep closes surface rest patchIt is inclined that dental masticatory surface is fitted in together in the closely middle ditch in tooth conjunction face, remote middle ditch or entire tooth conjunction face ditch or the tooth conjunction surface rest of grinding one's teeth in sleepTongue cheek is to setting.
Defer to third object of the present invention, a kind of preparation method of appliance that rescuing open bite deformity, the baseSupport is ground by the heretofore described appliance for rescuing open bite deformity is embedded thereon using the making tooth mold of patient to be rescuedDental masticatory surface rest and fixed shackle member；
Optionally, the base makes of self-curing plastic, and tooth of grinding one's teeth in sleep closes surface rest and fixed shackle member is all made of steel wireIt makes；The average thickness of base is 1.5~2mm；Gauge of wire is 0.7~1mm.
The appliance of the present invention for rescuing open bite deformity leads to out tooth conjunction and/or II for rescuing tongue bad habitThe application of class malocclusion and/or class Ⅲ malocclusion jaw abnormality.
The appliance of the present invention to rescue the true posterior and anterior open bite of vertical growth pattern and horizontal growth pattern vacation posterior and anterior open bite have it is goodGood rectifying effect, has expanded indication, while tooth can also be prevented out to close recurrence；It can be used for coordinating fixed appliance auxiliary foldingCorrection, or it is used for retainer at the end of NITI Ω arch wire, or the correction of bad habit is swallowed for growth and development stage infantilism, systemMake simple, economy, clinic wearing is simple, comfortable, and clinical effectiveness can be improved；Basic model, which is used as after fixed appliance is rescued, to be keptDevice or child raise tongue body, correct tongue posture, expand upper jaw width etc.；Variability may be implemented cooperation fixed appliance and rectifyPositive open bite deformity；The appliance maintenance of the present invention is good, expands and rescues accommodation, compensates for that existing to rescue tongue badCustom leads to out the blank of appliance in tooth conjunction or the mouth of III class or class Ⅱ malocclusion jaw abnormality, has expanded existing correcting method, simultaneouslyIt can also prevent from opening the recurrence of tooth conjunction, the preferably novel appliance of patient compliance to improve clinical treatment rate after rescuing, it is clinicalCurative effect 100% has obtained good economic benefit and social benefit, can be applicable.
Specific implementation mode
The specific implementation mode of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouchedThe specific implementation mode stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " is typically referred to phaseIt answers and defines on the basis of the drawing of attached drawing, " inside and outside " refers to the inner and outer of corresponding component profile.
Explanation of nouns：
The tooth of people can be divided into labial teeth (incisor), canine tooth, premolar teeth and grind one's teeth in sleep, and see Figure 12 specific corresponding to relationship.OneTooth is divided into three parts, corona, neck and root of the tooth.There are enamel, scleroid whiteness in corona part.EnamelDentine is surrounded, followed by nerve and dental pulp.Gum is periodontal.Gum is also known as alveolus, teeth roots implantationIn wherein, including the tissues such as parodontium, gum, alveolar bone, it there is upper mandible, has the function of fixing teeth.
It opens tooth conjunction and is divided into 3 degree：The vertical range between lower incisor incisxal edge is referred to, with maxillary incior cut end to mandibular incisorsThe vertical range standard of cut end；I degree：Upper and lower Kai Ya, which is closed, vertically to be separated within 3mm；II degree：Upper and lower Kai Ya close it is vertical separate 3~5mm；III degree：Upper and lower Kai Ya, which is closed, vertically separates 5mm or more.
Class Ⅱ malocclusion jaw abnormality and class Ⅲ malocclusion jaw abnormality are the differentiations carried out according to the classification of Angle mistake jaws, specially：
Position during class Ⅱ malocclusion jaw abnormality, inferior dental arch and lower jaw are in remote.If lower jaw retrogressing 1/4 is ground one's teeth in sleep or half of premolar teethDistance, i.e., when the nearly middle cheek point of sixth-year molar is opposite up and down, referred to as it is slight it is remote in misfit relationship.If lower jaw retreats again, withIt is snapped at lower sixth-year molar and the second premolar teeth as the nearly middle cheek point of upper sixth-year molar, then is complete remote middle misfitRelationship.
Position during class Ⅲ malocclusion jaw abnormality, inferior dental arch and lower jaw are in close.If mandible go forward 1/4 is ground one's teeth in sleep or half premolar teethThe nearly middle cheek point of distance, i.e., upper sixth-year molar is opposite with the far middle cheek point of lower sixth-year molar, and referred to as slight nearly middle misfit is closedSystem.If lower jaw is ground one's teeth in sleep to mesiogression 1/2 or the distance of 1 premolar teeth, so that the nearly middle cheek point of maxillary first molarsIt is engaged in down between the first, second accessional teeth, is then complete nearly middle misfit relationship.
Main innovation point is：
The appliance for rescuing open bite deformity of innovative design of the present invention, may be simply referred to as NTA appliances, and principle is expandedLet nature take its course it is theoretical rescue theory and indication, the innovative design split type appliance of upper and lower jaw, lower jaw plastic cement stretch to tongueThere is rest in root both sides gap location, appliance tooth conjunction face, using the function of swallowing with tongue body when language, raise tongue body and pressLower molar, lingualis makes molar intrusion, and gives up the throne after the training the tip of the tongue, abolishes tongue thrusting；Tongue is raised to upper jaw palatine in youngsterJuvenile phase has extension effect；Fixed appliance auxiliary can also be coordinated to open occlusal correction；Or for NITI Ω arch wire at the end of keepDevice, this is the principle and function that TE does not have, and advantageous growth and development stage infantilism is swallowed the correction of bad habit and therefore causedTooth conjunction, III class or the correction of class Ⅱ malocclusion jaw are opened, NTA appliance flexible Applications are made.Urgent clinical needs problem is solved, NTA appliances are innovatedThe deficiency that existing appliance can be made up, can be improved clinical effectiveness, it is contemplated that preferable economic benefit and social benefit can be obtained,It is reported without pertinent literature through domestic and foreign literature retrieval.
One, appliance principle：
The NTA appliance lower jaw plastic cement of Innovative Production stretches to root of the tongue both sides gap location protrusion, i.e., lingual surface raises protrusion, cooperationTooth of grinding one's teeth in sleep closes surface rest, using the function of swallowing with tongue body when language, raises tongue body and presses upper lower molar, the training the tip of the tongueAfter give up the throne, lingualis makes molar intrusion, abolishes infantilism tongue thrusting；Tongue raise to upper jaw palatine childhood have extension makeWith；The NTA appliances of Innovative Production can only be worn on lower half mouth with flexible Application, be served only for correction tongue thrusting, tongueBody is raised trains with lingualis, or is fabricated to the split type upper lower jaw for being worn on patient respectively of the upper jaw, lower jaw, with molar intrusion,Fixed appliance auxiliary can be coordinated to open occlusal correction, or retainer at the end of patient's NITI Ω arch wire is closed for opening tooth.It expandsIndication：The range of age is for the tooth phase to permanent dention patient；Prevention and treatment opened caused by tongue bad habit tooth close, III class orClass Ⅱ malocclusion jaw abnormality patient can coordinate fixed appliance auxiliary folding correction, or terminate for opening tooth conjunction patient's NITI Ω arch wireWhen retainer；To upper jaw palatine childhood have extension effect, while can also prevent from opening the recurrence of tooth conjunction after rescuing.
Two, production method：The upper and lower jaw of NTA appliances of the present invention is split type to be made respectively, does not seek relationship, not upper jaw frame,Different from the production method of existing appliance；The making material of base is self-curing plastic, and other component is stainless steel；
1, the making of the NTA appliances of basic model：Fixed shackle member includes grind one's teeth in sleep arrow card and labial teeth lip bow, arrow of grinding one's teeth in sleepHead card is the periodontal shackle member being plugged between adjacent molars tooth conjunction surface rest, and labial teeth lip bends sets the arcuation for being enclosed in labial teeth area for cardPeriodontal shackle member.Labial teeth lip bow includes a pair of of U-typed song and connects the crossbeam of the U-typed song, and U-typed song is located at canine tooth,Crossbeam is enclosed in labial teeth area；Labial teeth lip bends and arrow card of grinding one's teeth in sleep is bent with the steel wire of a diameter of 0.7~0.9mm, and U-typed is bentFrom canine tooth it is close in 1/3 and in transfer from 1/3 and bends downwards, the width of U-typed song is 4~5mm, the length of U-typed song to canine tooth neckAgain upwards across canine tooth and premolar teeth neighbour gap at the downward 3~4mm in portion, crossbeam is located in labial teeth at 1/3 height.Premolar teeth andThe place of grinding one's teeth in sleep grind one's teeth in sleep tooth close surface rest bent with 0.9~1mm stainless steel wires, shape be L-type, tooth of grinding one's teeth in sleep conjunction surface rest according toIn bending type, tooth of grinding one's teeth in sleep closes ditch, remote middle ditch or entire tooth during surface rest fits in tooth conjunction face closely and closes face ditch at corona angle of inclination,Or tooth of grinding one's teeth in sleep closes surface rest and fits in the inclined tongue cheek of dental masticatory surface to setting, tongue palate side connector (is embedded in the mill in matrixDistance of the distalmost end of dental masticatory surface rest apart from gum soft tissue) 2~4mm of tissue surface, about 3mm are left, such distance was bothIt ensure that the comfort level and fixed effect when patient wears, while ensureing that steel wire is unlikely to embedded too shallow with matrix and leads to twoThe separation of person avoids the risk of wearable device damage.Lingual surface raise protrusion it is gradually thick towards tooth direction along oral cavity center, andIt is 1~3mm that lingual surface, which raises raised distalmost end endpoint away from mouth bottom,.Optionally, it is the round and smooth of conoid shape that lingual surface, which raises protrusion,Protrusion, the thickness that lingual surface raises protrusion are 1~1.5cm, and the length that lingual surface raises protrusion is 1.5~2.5cm
2, the preparation of the NTA appliances of anomaly includes：The difference of anomaly and basic model is exactly fixed shackle memberDifference because the NTA appliances of anomaly need the appliance with straightening of teeth position to be used cooperatively, therefore cannot use baseThe fixation shackle member of this type, and use is needed to grind one's teeth in sleep embrasure hook, mandibular premolar and embrasure hook of grinding one's teeth in sleep are with 0.8 on fixing device~1.0mm stainless steel wires are bent, and embrasure hook cheek side free-end is about 1mm, and deeply two neighbours are close in adjacent contact lower section gap, cheek sideDiastema turns to jaw face paste and tightly, again at connector is embedded by plastic cement base.Its tongue palate side connector (is embedded in matrixTooth of grinding one's teeth in sleep closes distance of the distalmost end of surface rest apart from gum soft tissue) leave 2~4mm of tissue surface, about 3mm, such distanceBoth the comfort level and fixed effect when patient wears ensure that, while having ensured that steel wire is unlikely to embedded too shallow with matrix and causesThe separation of the two avoids the risk of wearable device damage.
In embodiments of the present invention：
The appliance for rescuing open bite deformity of the present invention, including base 1, base 1 be according to the human mouth upper jaw and/or underThe model component that jaw shape makes, what base 1 was contacted including at least the binding face being bonded with the upper jaw and/or lower jaw and with tongue weekShiny surface；Fixed tooth of grinding one's teeth in sleep closes surface rest 2 on base 1, and tooth of grinding one's teeth in sleep closes surface rest 2 and is arranged at premolar teeth and/or grinds one's teeth in sleepPosition；The fixed fixed shackle member 3 also on base 1, fixed shackle member 3 are stuck on tooth periphery and/or are stuck in adjacent teeth seam；It is specialIt is not that when base 1 is lower jaw base, raised 1-1, tongue are raised in premolar teeth to the position setting lingual surface ground one's teeth in sleep that is located at of base 1Raised 1-1 is raised for raising tongue body in face.Above scheme contains two kinds of appliance altogether, and one is rectifying for basic modelDevice (as illustrated in fig. 1 and 2) is controlled, another kind is the appliance (as shown in Figures 3 and 4) of anomaly, and basic model is for rescuing because of tongue notThe tooth of opening of good custom closes and class Ⅲ malocclusion jaw abnormality；Anomaly predominantly coordinates fixed appliance correction tongue bad habit to cause outTooth conjunction and/or II class and/or class Ⅲ malocclusion jaw abnormality.Especially lingual surface raises component 1-1, for raising tongue body, training lingualis；Tooth of grinding one's teeth in sleep, which closes surface rest 2 lingualis training is coordinated to force down, premolar teeth and grinds one's teeth in sleep, with correction because tongue low level, stuck out one's tongue, baby swallows etc. noTooth conjunction and/or II class and/or class Ⅲ malocclusion jaw abnormality are opened caused by good tongue posture, and can be used for such patient through NITI Ω arch wireDevice rescues rear retainer, solves prevention substantially and rescues growth and development stage milk teeth period to permanent teeth initial stage tooth, functionality and boneIt is abnormal that cooperation fixed appliance correction may be implemented in posterior and anterior open bite or III class or the correction of II malocclusion, basic model and variabilityShape；The NTA appliances maintenance that designs invention is good, when swallowing with language, lingualis functional training is closed with to rescue out tooth and lower jawPreceding prominent or retraction effectively shortens treatment time, expands the novel appliance for rescuing indication, expanded existing correcting method,It can also prevent from recurring simultaneously, improve clinical treatment rate, clinical efficacy 100%, has obtained good economic benefit and society imitatesBenefit can be applicable.
In an embodiment of the present invention, it is gradually thick towards tooth direction along oral cavity center to raise raised 1-1 for lingual surface, and lingual surface is liftedThe distalmost end endpoint of high protrusion 1-1 is 1~3mm away from mouth bottom, by the observation of clinical experience, it is found that lingual surface raises raised 1-1 notCan be only the protrusion of a simple structure, farthest endpoint is the equal of the most endpoint of a class circular cone object, but class is justifiedThe tip of cone object be along the flattened round and smooth body gone out in lower jaw mouth bottom, can shape in composite human body mouth, meet the comfortable of wearingDegree, moreover it is possible to be effectively used for raising tongue body, training lingualis.
Optionally, lingual surface raises the round and smooth protrusion that raised 1-1 is conoid shape, and the thickness that lingual surface raises raised 1-1 is1~1.5cm, the length that lingual surface raises raised 1-1 is 1.5~2.5cm, and the size of this size can meet different age groupPatient use, to expand the scope of application of this appliance.
In addition, in an embodiment of the present invention, for the appliance of basic model, fixed shackle member 3 includes at least oneIt is a to grind one's teeth in sleep arrow card 3-1 and at least one labial teeth lip bow 3-2, the arrow card 3-1 that grinds one's teeth in sleep to be plugged in adjacent molars tooth conjunction surface restPeriodontal shackle member between 2, labial teeth lip bow 3-2 are that card sets the arcuation periodontal shackle member for being enclosed in labial teeth area.Such as institute in Fig. 1 and 2The structure shown, upper lower jaw individually have a pair to grind one's teeth in sleep arrow card 3-1, and a labial teeth lip bends 3-2, can be by entire applianceIt is worn in mouth, is carried out at the same time effective fixation, ensure base 1 and tooth of grinding one's teeth in sleep closes being used cooperatively for both surface rests 2.
For example, labial teeth lip bow 3-2 includes a pair of of U-typed song and connects the crossbeam of the U-typed song, U-typed song is located at pointAt tooth, crossbeam is enclosed in labial teeth area；Labial teeth lip bow 3-2 is bent with the steel wire of a diameter of 0.7~0.9mm, and U-typed song is from pointDuring tooth is close 1/3 and in transfer at 1/3 and bends downwards, the width of U-typed song is 4~5mm, the length of U-typed song to canine tooth neck toAgain upwards across canine tooth and premolar teeth neighbour gap at lower 3~4mm, crossbeam is located in labial teeth at 1/3 height.
In addition, in an embodiment of the present invention, for the appliance of anomaly, fixed shackle member 3 includes at least oneOne end of a embrasure hook of grinding one's teeth in sleep, embrasure hook of grinding one's teeth in sleep is fixed on base 1, and the other end for embrasure hook of grinding one's teeth in sleep is fastened in teeth space；MillTooth embrasure hook is bent with 0.8~1.0mm stainless steel wires, and embrasure hook cheek side free-end of grinding one's teeth in sleep deeply abuts gap below contact, millTooth embrasure hook cheek side be close to two adjacent teeth gaps turn to jaw face paste it is tight, such as in figs. 3 and 4 shown in structure, in adjacent millEmbrasure hook of grinding one's teeth in sleep, including first molar embrasure hook 3-1 ' and second molar embrasure hook 3- are both provided between dental masticatory surface rest2 ', entire appliance can be at least worn in mouth, be carried out at the same time effective fixation, ensure base 1 and mill dental masticatory surface branchBoth supports 2 are used cooperatively.
In an embodiment of the present invention, it is in bending type that tooth of grinding one's teeth in sleep, which closes surface rest 2 according to corona angle of inclination, grinds dental masticatory surfaceRest 2 fits in ditch, remote middle ditch or entire tooth during tooth closes face closely and closes face ditch, or tooth of grinding one's teeth in sleep closes surface rest 2 and fits in dental masticatory surfaceInclined tongue cheek is to setting.Because the shape of the corona of the tooth in the mouth of different patients is different, therefore, mill dental masticatory surface is being carried outWhen the setting of rest 2, the making tooth mold according to patient is had to, it is made to be fitted in crown surfaces, makes tooth axis normotopia, tongue palateSide connector (tooth of grinding one's teeth in sleep being embedded in base 1 closes distance of the distalmost end of surface rest 2 apart from gum soft tissue) leaves group2~4mm of surface of second order, about 3mm, such distance both ensure that comfort level and fixed effect when patient wears, while ensure steelSilk is unlikely to separation that is embedded too shallow and leading to the two with base 1, avoids the risk of wearable device damage.
The preparation method of the appliance for rescuing open bite deformity of the present invention, base 1 are moulded using the tooth of patient to be rescuedMake, closes surface rest 2 and fixed shackle member 3 by the embedded tooth of grinding one's teeth in sleep of the appliance for rescuing open bite deformity in the present invention thereon；ThanSuch as, base 1 makes of self-curing plastic, and tooth of grinding one's teeth in sleep closes surface rest 2 and fixed shackle member 3 is all made of steel wire making；Base 1 is put downEqual thickness is 1.5~2mm；Gauge of wire is 0.7~1mm.
The appliance for rescuing open bite deformity of the present invention leads to out tooth conjunction and/or class Ⅱ malocclusion for rescuing tongue bad habitThe application of jaw abnormality and/or class Ⅲ malocclusion jaw abnormality.
Production method includes：
(1) clinic takes two secondary models, and one is secondary for measuring, and adjutant's model is used to make the NTA appliances of innovative design；
(2) upper and lower gnathode is modified；
(3) it bends fixed shackle member 3 respectively with stainless steel wire on upper and lower gnathode and tooth of grinding one's teeth in sleep closes surface rest 2, grind one's teeth in sleepTooth closes surface rest 2 and is bent as required with 0.8~1mm stainless steel wires；Fixed shackle member 3 with 0.8~1mm stainless steel wires as requiredIt bends；
(4) plastic cement is applied：Base is aggregated into red or water white transparency self-solidifying powder, and the root of the tongue is stretched at lower molar substrateBoth sides gap location accumulation about 1.5 × 0.8 × 0.8cm plastic cement is raised (lingual surface raises protrusion), for raising tongue body；
(5) sanding and polishing, so far appliance complete.
Application method：
The appliance made is given into clinician, wears inclusion criteria case, wear-time is daily 24 hours, is containedNight wears, and cooperation fixed appliance rescues time 1-2；Folding fixed appliance terminates to wear NTA retainers about 1-2；It is narrow for the upper jaw caused by the tongues posture such as tongue bad habit while opening that tooth closes or III class or II class person take around wearing2-3.
Model case is as follows：
Open tooth close patient favour so-and-so：It opens that tooth is right in 5mm or more, belongs to and opens tooth and close three degree or more of patient, and is wearingWear dental aligners (MEAW appliances).
Picture+image surface+NTA appliances (variability) cooperation 2 months, Fig. 5 in March, 2015 MEAW appliances treatment mouth, 2It after a month, also opens the case where tooth closes and occurs, open tooth and close 3~4mm；
In May, 2016 MEAW appliances treatment end X pieces, Fig. 6, also portion separate tooth conjunction.
Have there is counter blade phenomenon in picture+image surface in June, 2016 mouthful, Fig. 7, but patient requests extract orthodonticDevice is replaced and wears basic model appliance.
NTA retainers (basic model) Fig. 8 in June, 2016 mouthful is worn；
NTA retainers (basic model) wear 6 months X pieces, Fig. 9, and upper lower teeth covers tooth and closes 2~3mm, is normally 3mm,Through close to normal condition, in December, 2016 NTA retainers (basic model) wear picture and image surface (Figure 10) in 6 months mouths；NTA is protectedHolder (basic model) is worn in 6 months mouths as (Figure 11).As it can be seen that patient wears 1 year or more, open tooth close situation have it is apparentImprove, it was demonstrated that this appliance has really to be rescued tongue bad habit tooth is caused out to close and/or class Ⅱ malocclusion jaw abnormality and/or III classThe effect of malocclusion, and significant effect, tracking curative effect proves, no relapse.
Clinical laboratory data is collected：
Later, the wear condition tracking data investigation of 20 patients has also been carried out at random, and the data in following table 1 areThe average value of 20 patients measures treatment patient's Cephalogram data, with statistics t with Steiner and Tweed analytic approachCheck analysis obtains following scale 1：
Table 1
ODI (°), preceding height/front is high below and back height/front height is statistically significant.P<0.05* has significantlyStatistical significance； P<0.01** has highly significant statistical significance.
It can be seen that ODI (°), preceding below height/front is high and back height/front Gao Youxian by the experimental data in table 1Statistical significance is write, clinical effectiveness is apparent, equal to rescuing the true posterior and anterior open bite of vertical growth pattern and horizontal growth pattern vacation posterior and anterior open biteThere is good rectifying effect, has expanded indication；It can be used for coordinating fixed appliance auxiliary to open occlusal correction, or rectified for fixedRetainer at the end of controlling, or swallow for growth and development stage infantilism the correction of bad habit, make it is simple, economical, it is clinicalIt wears simply, comfortably, clinical effectiveness can be improved, obtained good economic benefit and social benefit, shown from literature searchPatent is reported and delivered both at home and abroad at present without pertinent literature.
The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned realityThe detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosureMonotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lanceIt in the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure is to variousPossible combination no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originallyDisclosed thought equally should be considered as disclosure disclosure of that.