A kind of multidirectional expand bends deviceTechnical field
The present invention relates to a kind of dentistry, bends device more particularly, to a kind of multidirectional expand.
Background technology
Grinding one's teeth in sleep for ideal occlusion is engaged in mandibular first molar cheek for indifference relation, the i.e. closely middle cheek point of maxillary first molarDitch.During Class II malocclusion malocclusion shows that mandibular first molar buccal groove is located at the closely middle cheek point of maxillary first molar far, also it is referred to asFor remote middle relation of grinding one's teeth in sleep.Such patient is also simultaneously wrong with crowded and maxillary transverse deficiency the symptom of Upper Anterior Teeth, Class II malocclusionFastening deformity incidence of disease in compatriots is about 30%, and the face, mental health, masticatory function of patient are had a great influence, and clinical is medicalRate is at a relatively high.For the treatment with the crowded Class II malocclusion malocclusion patient of severe in premanillary teeth, except the upper jaw is groundTooth releases the crowded disease created gap and rescue maxillary transverse deficiency to mobile to reach indifference relation of grinding one's teeth in sleep in remote for labial teethShape.In the prior art, most appliance only rests on horizontal to extension dental arch, without work(mobile in having both upper jaw backteeth farCan, therefore the correction of such patient is difficult to reach preferable occluding relation.
The content of the invention
The purpose of the present invention be for prior art weak point and provide it is a kind of it is simple in construction, correction is convenient, mechanics is specialProperty good multidirectional expansion bow device.The multidirectional bow device that expands has dental arch of maxilla level concurrently to extension, the mobile namely upper jaw during upper jaw backteeth is remoteDental arch sagittal makes correction reach preferable occluding relation to the function of extension.
The purpose of the present invention is realized by following measures：A kind of multidirectional expand bends device, includes and patient's palate cavityPlastic base, the spiral to match drives big device, it is characterised in that：Also the premolar teeth metal maintenance of left/right side first, second joinsHat, left/right side first molar metal maintenance leaf-comb, arch wire；The premolar teeth metal maintenance the successive winning of the number on title of left/right side first, second byThe metal crown that body and crown corresponding with patient match forms, is provided with MBT on the outside of the metal crown of the frist premolar of metal crownBracket, the metal crown that the left/right side first molar metal maintenance leaf-comb is matched by body and crown corresponding with patient forms,MBT cheek pipes are provided with the outside of metal crown, the plastic base is divided into left/right side premolar teeth area base, left/right side grinding tooth area baseSupport, it is left front grind one's teeth in sleep area's base and a left side grind one's teeth in sleep area's base, right premolar teeth area base and the right side grind one's teeth in sleep area's base, it is left front grind one's teeth in sleep area's base andRight premolar teeth area base is driven big device by spiral respectively and connected, the premolar teeth metal maintenance the successive winning of the number on title sheet of left/right side first, secondBody inserts left/right side premolar teeth area base respectively, and left/right side first molar metal maintenance leaf-comb body inserts left/right side respectivelyGrind one's teeth in sleep area's base, arch wire is put into MBT brackets, MBT cheeks pipe and the MBT brackets on right side in left side, MBT cheek pipes.
The metal crown of the described premolar teeth metal maintenance the successive winning of the number on title of left/right side first, second is provided with for before patient first, secondHole that crown of grinding one's teeth in sleep is inserted in, the crown number of the number in hole crown corresponding with patient match.
The body of the described premolar teeth metal maintenance the successive winning of the number on title of left/right side first, second is in network structure.
The metal crown of described left/right side first molar metal maintenance leaf-comb be provided be inserted in for first molar crown hole,The crown number of the number in hole crown corresponding with patient matches.
The body of described left/right side first molar metal maintenance leaf-comb is in network structure.
Compared with prior art, employ multidirectional expand of one kind proposed by the present invention and bend device, have the following advantages that：1）The present inventionBilateral first molar before all teeth and preceding palatine bony structure, provide Enhanced anchorase for the remote middle movement of first molar,Avoid the remote middle mobile reaction force that moved forward to caused by front teeth of first molar；2）Metal casting be preced with to backteeth it is vertical toAnd level avoids the tooth elongation being likely to occur in distance in movement, forces down or reverse to good control has been carried out；3）WithThe detachable extaloral appliance of tradition pushes away maxillary molar to comparing in remote, and the multidirectional bow device that expands is adhered in patient oral cavity, its hair acted onThe cooperation without dependent patient is waved, its effect stability；4）It is multidirectional to expand bow device compared with micro- implant anchorage device thrust bearing test rigFor noninvasive installation, in patient without any damage；5）Compared with traditional simple horizontal bow device to expansion, the multidirectional bow device that expands is in level expansionWhile opening up arch width can also thrust bearing test rig, a device has both two kinds of purposes.
Brief description of the drawings
Fig. 1 is one embodiment structural representation proposed by the present invention.
Embodiment
Embodiment is elaborated below in conjunction with the accompanying drawings：Fig. 1 shows one embodiment of the present of invention.FigureIn, a kind of multidirectional expand bends device, includes：Plastic base, the spiral to be matched with patient's palate cavity opens big device 3, left/right sideFirst, the second premolar teeth metal maintenance the successive winning of the number on title, left/right side first molar metal maintenance leaf-comb, arch wire 5；The left/right side first,The metal crown 21 that second premolar teeth metal maintenance the successive winning of the number on title is matched by body 22 and crown corresponding with patient forms, metal crown 21Be provided with MBT brackets 25 on the outside of the metal crown of frist premolar, the left/right side first molar metal maintenance leaf-comb by body 32 andThe metal crown 31 that crown corresponding with patient matches forms, the outside of metal crown 31 is provided with MBT cheeks pipe 26, the plastic base segmentationGround one's teeth in sleep area's base 14 for grind one's teeth in sleep area's base 13, right side of left side premolar teeth area base 11, right side premolar teeth area base 12, left side, it is leftGrind one's teeth in sleep area's base 14, the left front Qu Ji that grinds one's teeth in sleep on grind one's teeth in sleep area's base 13, right premolar teeth area base 12 and the right side of premolar teeth area base 11 and a left sideSupport 11 and right premolar teeth area base 12 are driven big device 3 by spiral respectively and connected, the premolar teeth metal of left/right side first, secondMaintenance the successive winning of the number on title body 22 inserts left/right side premolar teeth area base 11/12, left/right side first molar metal maintenance leaf-comb sheet respectivelyBody 32 inserts left/right side grinding tooth area base 13/14 respectively.In this structure, left front area's base and the right premolar teeth area base of grinding one's teeth in sleep is connectedThe spiral of support drives big device and mainly undertakes the horizontal task to expansion bow, the spiral of connection left front grind one's teeth in sleep area's base and left area's base of grinding one's teeth in sleepDrive big device and mainly undertake left side sagittal to the expanding bow of the task, the spiral for connecting right premolar teeth area base and right area's base of grinding one's teeth in sleep is opened greatlyDevice mainly undertakes right side sagittal to the expanding bow of the task.Arch wire is put into MBT brackets 25, MBT cheeks pipe 26 and the MBT on the right side support in left sideGroove, MBT cheek pipes.
The present invention further takes following measure：The gold of the described premolar teeth metal maintenance the successive winning of the number on title of left/right side first, secondCategory hat 21 is provided with the hole 23 being inserted in for the premolar teeth crown of patient first, second, the crown number of the number in hole crown corresponding with patientMatch.This structure further provides Enhanced anchorase for the remote middle movement of first molar.
The body of the described premolar teeth metal maintenance the successive winning of the number on title of left/right side first, second is in network structure.This structure there is no harm inMitigate the weight for expanding bow in the case of hindering intensity, rigidity.
Equally, the metal crown of described left/right side first molar metal maintenance leaf-comb is provided with and is inserted in for first molar crownHole 33, the crown number of the number in hole crown corresponding with patient matches.
Equally, the body of described left/right side first molar metal maintenance leaf-comb is in network structure.
The present invention so works：The multidirectional bow device that expands is placed on the maxillary teeth of patient, the spiral shell for sagittal to expansion bowOutward winding the daily turn of big device once, make maxillary first molar that to remote middle movement, big device is driven to the spiral for expanding bow for level dailyEvery turn in two days once, expands at a slow speed bow.After it is that Upper Anterior Teeth area creates gap to expand bow, Dental adhesion straight silk bow supporting groove of going forward, arch wireThe straight silk bow supporting groove of Upper Anterior Teeth and bilateral frist premolar metal crown cheek side is connected, it is preliminary to labial teeth progress to come into line, will be multidirectionalThe orthopedic stage for expanding bow device organically combines with the NITI Ω arch wire stage of straight silk bow supporting groove.
Embodiments presented above is not construed as limiting the invention, and those skilled in the art in the art are in appended powerProfit makes various deformations or amendments in protection domain in the range of requiring.