Momwe Mabaketi Odzipangira Okha Amachepetsera Kukangana mu Chithandizo cha Orthodontic

Chiyambi

Kusuntha kwa dzino la orthodontic kumadalira momwe waya wa arch ungalowere mosavuta m'bokosi lililonse, ndipo pamenepo ndi pomwe makina odziyikira okha amasinthira makinawo. M'malo mogwiritsa ntchito zomangira zotanuka kapena zachitsulo, maboloketi awa amagwiritsa ntchito cholumikizira kapena chitseko chomwe chimachepetsa mphamvu yomangirira pakati pa waya ndi malo olumikizira. Zotsatira zake ndi kuchepa kwa kukangana, mphamvu yopepuka, komanso kulumikizana bwino panthawi yofunika kwambiri yochizira. Nkhaniyi ikufotokoza momwe kapangidwe kameneka kamagwirira ntchito m'njira ya biomechanic, chifukwa chake kukangana kochepa ndikofunikira pakugwira ntchito bwino komanso kuyankhidwa kwa minofu, komanso komwe maboloketi odziyikira okha angapereke zabwino zambiri kuposa kumangidwa kwachizolowezi pamene chithandizo chikupita patsogolo.

Chifukwa chiyani mabulaketi odziyimitsa okha ndi ofunika mu orthodontics yamakono

Kusintha kuchokera ku elastomeric ligation yachikhalidwe kupita ku self-ligating systems kukuwonetsa kusintha kwakukulu kwa biomechanical mumankhwala ochizira mano amakonoMwa kusintha ma ligature akunja ndi ma clip kapena zitseko zolumikizidwa, machitidwe awa amasintha kwambiri kuyanjana pakati pa waya wa arch ndi malo olumikizira. Ubwino waukulu wa makina a kapangidwe kameneka ndi kuchepa kwakukulu kwa kukana kukangana panthawi ya makina otsetsereka, gawo lofunikira kwambiri pa chithandizo chokwanira cha mano.

Kumvetsetsa njira zomwe zimapangitsa kuti mano achepetse kukwawa kumeneku n'kofunika kwambiri kwa madokotala a mano omwe akufuna kukonza njira zochizira. Kukwawa kocheperako kumalola kugwiritsa ntchito mphamvu zopepuka komanso zopitilira, zomwe zimagwirizana bwino ndi momwe thupi limayendera. Njira imeneyi imachepetsa chiopsezo cha kutsekeka kwa mitsempha yamagazi mu ligament ya periodontal, motero kuletsa hyalinization ndikulimbikitsa kukonzanso mafupa bwino.

Zotsatira pakugwira bwino ntchito kwa chithandizo

Kugwira ntchito bwino kwa chithandizo cha mano kumadalira kwambiri luso la mano kutsetsereka pa waya wa arch ndi kukana kochepa. Mu machitidwe achizolowezi, ma ligature a elastomeric kapena achitsulo amakankhira waya wa arch pansi pa malo olumikizirana, zomwe zimapangitsa kuti static ndi kinetic friction ichitike bwino. Ma bracket odzilumikiza okha amachepetsa mphamvu yachibadwayi. Kafukufuku wa in vitro nthawi zonse amasonyeza kuti machitidwe odzigwirizanitsa okha amatha kuchepetsa kukana kwa frictional ndi 40% mpaka 50% poyerekeza ndi omwe ali ndi ma ligature achizolowezi, makamaka panthawi yoyambira yolinganiza ndi kulinganiza.

Kuchepa kwa kukangana kumeneku kumatanthauza kuti ntchito yachipatala ikuyenda bwino. Popanda mphamvu zomangirira za ma elastomeric ties, kulinganiza ndi kulinganiza nthawi zambiri kumatha kuchitika pogwiritsa ntchito ma archwall opepuka oyamba pomwe akusunga mawonekedwe a mphamvu yopitilira. Kuphatikiza apo, kusowa kwa elastomeric kuwonongeka—popeza ma elastomeric awa nthawi zambiri amataya mpaka 50% ya kulimba kwawo mkati mwa milungu inayi yoyambirira m'kamwa—kumatsimikizira kuti mphamvu yoperekedwa imakhalabe yofanana pakati pa nthawi yayitali yokumana.

Mtengo wamankhwala ndi wamalonda wa kukangana kotsika

Kupatula kugwira ntchito bwino kwa biomechanical, kuchepetsa kukangana kumapereka zabwino zambiri zachipatala komanso zamalonda. Mwachipatala, kukangana kochepa kumafuna mphamvu zochepa zogwiritsidwa ntchito kuti muyambe kuyenda kwa dzino. Mphamvu nthawi zambiri zimakhala pansi pa 50 centiNewtons (cN), zomwe zimathandiza kwambiri kuti wodwala azikhala bwino ndipo zimachepetsa chiopsezo cha mizu kulowa. Mphamvu yopepuka imathandizanso kukulitsa ndikukula kwa arch popanda kutsika kwambiri.

Pazamalonda, kuphatikiza kwaMabulaketi odzimanga okhaKuchita masewera olimbitsa thupi kungathandize kwambiri nthawi yogwiritsira ntchito mpando. Kutsegula ndi kutsekaMa clip ophatikizidwa nthawi zambiri amakhala othamanga 20% mpaka 30%kuposa kuyika ndi kuchotsa zomangira za elastomeric payekha. Pa nthawi yonse ya miyezi 24, izi zitha kusunga mphindi 45 za nthawi yogwira ntchito pampando pa wodwala aliyense, zomwe zimathandiza kuti ma chipatala ambiri awonjezere kuchuluka kwa odwala awo tsiku lililonse popanda kuwonjezera antchito awo azachipatala.

Momwe mabulaketi odziyikira okha amachepetsa kukangana

Kukangana kwa orthodontics si mphamvu imodzi koma kuphatikiza kwa kukangana kwachikhalidwe, kumangirira, ndi kung'amba. Kukangana kwachikhalidwe kumachitika pamene waya wakhudza malo olumikizirana, pomwe kumangirira ndi kung'amba kumachitika pamene dzino likulunjika kapena kuzungulira, zomwe zimapangitsa waya kugwira m'mphepete mwa bulaketi. Mabulaketi odzigwirizanitsa okha amapangidwa makamaka kuti achepetse kukangana kwachikhalidwe pochotsa mphamvu yogwira ntchito ya mipando yachikhalidwe.

Kuchuluka kwa kukangana komwe kumachepa kumadalira kwambiri kulekerera kwaukadaulo kwa bulaketi ndi mawonekedwe a waya wa arch. Mwa kupanga lumen yolimba komanso yotsekedwa, makina odzigwirizanitsa okha amalola waya kutsetsereka momasuka mkati mwa malowo mpaka ngodya yolumikizirana yofunikira kuti igwirizane ifike.

Mapangidwe a zinthu zomwe zimakhudza kuyanjana kwa waya ndi bracket

Kugwirizana pakati pa bulaketi ndi waya kumayendetsedwa ndi miyeso ya malo, kulekerera kwa kupanga, ndi kutha kwa pamwamba. Makina ambiri odzipangira okha amagwiritsa ntchito kukula kwa malo okwana mainchesi 0.018 kapena 0.022, koma kuya kwa malo ndi kapangidwe ka clip kumakhala ndi gawo lofunika kwambiri pakuwongolera kukangana. Malo ozama amapereka lumen yayikulu, kuonetsetsa kuti ma archwall oyamba ozungulira sakukhudzana ndi clip, motero kusunga malo okangana opanda kanthu.

Kukhwima pamwamba ndi chinthu china chofunikira kwambiri. Mabraketi odzipangira okha apamwamba amapangidwa pogwiritsa ntchito metal injection molding (MIM) kapena precision milling kuti akwaniritse surface roughness (Ra) values ​​pakati pa 0.1 ndi 0.3 µm. Pansi pake pali malo osalala komanso m'mphepete mwake muli malo ozungulira amachepetsa kwambiri coefficient of friction pamene archwire ikhudza makoma a bracket panthawi yoyenda.

Mabulaketi odzigwira okha okha ndi okhazikika

Mphamvu yochepetsera kukangana kwa ma bracket odziyendetsa okha imadalira kwambiri ngati dongosololi ndi lopanda ntchito kapena logwira ntchito. Ma bracket opanda ntchito ali ndi chitseko cholimba chomwe chimapanga chubu chopitilira, zomwe zimathandiza kuti waya wa archwire uzitha kutsetsereka momasuka popanda kukakamizidwa kulikonse kuchokera ku clip. Ma bracket ogwira ntchito, mosiyana, ali ndi kasupe wokhazikika womwe umalowa mu malo kuti ukanikizire mawaya akuluakulu amakona anayi, zomwe zimapangitsa kuti pakhale malo ogwirira ntchito kuti mphamvu ya torque igwire ntchito.

Pa nthawi yoyamba yogwiritsira ntchito mawaya opepuka ozungulira (monga, 0.014-inch NiTi), machitidwe onse a passive ndi active amakhala ndi kukangana kochepa. Komabe, pamene chithandizo chikupita patsogolo mpaka mawaya akuluakulu a rectangle (monga, 0.019 x 0.025-inch), ma active brackets amabwezeretsanso kukangana mwadala kuti atsimikizire kuti wayayo ikugwira bwino malo olumikizira, pomwe ma passive brackets amasunga kukangana kochepa popanda torque yocheperako.

Zosintha zina zomwe zimakhudza kukangana

Ngakhale kapangidwe ka mabulaketi ndikofunikira kwambiri, zinthu zina zingapo zimalamulira kukangana kwenikweni komwe kumachitika m'thupi. Malovu amagwira ntchito ngati mafuta achilengedwe, ngakhale kuti mphamvu yake imasiyana malinga ndi kukhuthala ndi kuchuluka kwa mucin. Kafukufuku wa m'kamwa woyeserera malo ozungulira pakamwa akuwonetsa kuti malovu opangidwa amatha kuchepetsa kukangana kwamphamvu ndi 15% mpaka 20% poyerekeza ndi momwe zinthu zimayezedwera zouma.

Chitsulo cha waya wa archwire chimasinthanso kwambiri kuchuluka kwa friction coefficient. Mawaya a Beta-titanium (TMA) amakhala ndi roughness yapamwamba kwambiri komanso reactivity ya mankhwala poyerekeza ndi chitsulo chosapanga dzimbiri kapena nickel-titanium (NiTi), zomwe zimapangitsa kuti friction ichuluke ngakhale m'makina odzipangira okha. Kuphatikiza apo, ngodya yolumikizira yofunika kwambiri—ngodya yomwe wayayo imalumikizana ndi m'mphepete mwa mesial ndi distal ya bracket slot—imakhalabe chinthu choletsa. Ngodya iyi (nthawi zambiri pakati pa madigiri 3 mpaka 5) ikadutsa, friction yolumikizira imadutsa friction yakale, zomwe zimachepetsa ubwino wotsetsereka wa self-ligating clip.

Momwe mungayesere mabulaketi odzipangira okha

Kuwunika machitidwe odzipangira okha kumafuna njira yolongosoka yomwe imayang'ana kwambiri kuposa zomwe anthu amanena pa malonda koma imayang'ana kwambiri pa deta yachipatala ndi yamakina yoyezera. Madokotala odziwa za mano ayenera kuwunika mabulaketi awa kutengera kudalirika kwawo, kusinthasintha kwa kapangidwe kawo, komanso momwe chithandizocho chimakhudzira nthawi yake.

Ziyeso zazikulu za magwiridwe antchito

MukasankhaMabulaketi odzimanga okha, asing'anga ayenera kusankha zinthu zofunika kwambiri pa ntchito yawo. Choyamba ndi kuchuluka kwa kulephera kwa makina a chogwirira kapena chitseko. Makina apamwamba nthawi zambiri amasonyeza kulephera kwa chogwirira kapena kuchuluka kwa kugwedezeka kwa zosakwana 1.5% pa nthawi yochiritsira ya miyezi 24. Njira zomwe zimakhala zosavuta kusonkhanitsa kapena kusintha kwa calculus zimatha kuchepetsa kupambana kwa magwiridwe antchito a makinawo.

Chinthu china chofunikira kwambiri ndi kukana kwa frictional komwe kumayesedwa mu centiNewtons (cN) pamitundu yosiyanasiyana ya waya. Bulaketi yodalirika yodziyimira yokha iyenera kuwonetsa kukana kosakwana 20 cN ikaphatikizidwa ndi waya wa NiTi wa 0.014-inch pa zero-degree angulation. Kuphatikiza apo, kuchuluka kwa oda yocheperako (MOQ) ndi kudalirika kwa unyolo woperekera ziyenera kuyesedwa kuti zitsimikizire kuti zinthu zikuyang'aniridwa bwino.

Kuyerekeza ndi mabulaketi achikhalidwe

Kuyerekeza mabulaketi odzigwirizanitsa okha mwachindunji ndi mabulaketi achikhalidwe awiri kukuwonetsa kusiyana kwakukulu kwa magwiridwe antchito. Kusiyana kwakukulu kwambiri ndi kuchotsa mphete za elastomeric, zomwe zimadziwika kuti zimakhala ndi plaque komanso zimayamwa madzi akumwa.

Ngakhale kuti mabulaketi achikhalidwe amakhala ndi mtengo wotsika wogulira koyamba, ndalama zobisika zogwiritsa ntchito nthawi yayitali pampando komanso nthawi zambiri zosinthira mawaya nthawi zambiri zimathandizira kuchepetsa ndalama zomwe zasungidwa. Kuthekera kwa makina odziyikira okha kuti akhale aukhondo kumathandizanso kuti mano azikhala bwino panthawi ya chithandizo cha nthawi yayitali.

Zimene umboni wofalitsidwa umasonyeza

Mabuku asayansi amapereka lingaliro losiyana la ma bracket odziyendetsa okha. Kafukufuku wa mu vitro amapereka umboni wokwanira wakuti machitidwe odziyendetsa okha amachepetsa kwambiri kukangana kwa static ndi kinetic poyerekeza ndi ma bracket odziyendetsa okha. Ma model a labotale nthawi zonse amasonyeza kuchepa kwa mphamvu mpaka 50% panthawi yoyeserera.

Komabe, mayeso azachipatala osasinthika (RCTs) akusonyeza kuti nthawi yonse ya chithandizo siifupika kwambiri nthawi zonse. Ngakhale kuti gawo lolinganiza nthawi zambiri limakulitsidwa ndi masabata 10 mpaka 15, gawo lomaliza—lomwe limadalira kwambiri kulumikizidwa ndi torque m'malo motsetsereka—limatenga nthawi yofanana mosasamala kanthu za mtundu wa bracket. Chomwe chimapezeka kwambiri m'mayesero achipatala ndi kuchepetsa kosatsutsika kwa nthawi ya mpando paulendo uliwonse komanso kuwongolera nthawi yayitali pakati pa nthawi yokumana.

Momwe mungagwiritsire ntchito ma brackets odzipangira okha

Kuphatikiza ukadaulo wodzipangira wekha mu njira yopangira mano kumafuna kusintha kwakukulu pa njira zachipatala. Popeza njira zogwirira ntchito za biomechanics zimasiyana ndi njira zachikhalidwe, madokotala a mano ayenera kusintha njira zawo zoyendetsera milandu, makamaka pankhani yokhudza kupita patsogolo kwa archwire ndi nthawi yokumana ndi dokotala.

Kusankha chikwama ndi kutsata mawaya a archwire

Kukulitsa ubwino wochepa wa mabulaketi odzigwirizanitsa okha kumadalira kwathunthu kutsata bwino kwa waya wa archwire. Chithandizo nthawi zambiri chimayamba ndi mawaya olimba kwambiri, ang'onoang'ono, monga 0.013-inch kapena 0.014-inch CuNiTi. Chifukwa mabulaketi alibe mphamvu yomangirira, mawaya owala awa amatha kutsetsereka momasuka, kuthetsa kutsekeka kwakukulu ndikuyambitsa kukulitsa kwa arch popanda kupweteka kwambiri kwa wodwala.

Madokotala a mano amatha kukulitsa nthawi pakati pa nthawi yokonzekera msanga mpaka milungu 8 kapena 10, zomwe zimathandiza kuti mphamvu zowala, zosalekeza za mawaya a NiTi ziwonekere bwino. Kusintha kukhala mawaya amakona anayi (monga 0.016 x 0.022-inch) kuyenera kuchedwetsedwa mpaka malo olumikizirana atafika bwino, chifukwa kuyika mawaya olemera msanga kungayambitse kukangana ndi kusuntha kwa dzino, zomwe zingalepheretse ntchito ya dongosolo lotsika la kukangana.

Kusamalira zoopsa zenizeni

Ngakhale kuti ali ndi ubwino, makina odzipangira okha amabweretsa zoopsa zomwe ziyenera kuthetsedwa. Vuto lofala kwambiri ndi kuchuluka kwa calculus kapena plaque mkati mwa makina otsetsereka, zomwe zingayambitse kutsekeka kwa zitseko. Madokotala ayenera kuphunzitsa odwala za ukhondo wa pakamwa ndipo angafunike kugwiritsa ntchito ultrasound scaler kuti achotse zinyalala asanayese kutsegula clip yomatira.

Kugwirizana kwa zida ndi chinthu china chofunikira. Kuyesa kutsegula ma bracket clips enieni ndi akatswiri ofufuza za orthodontic kungapangitse chitsulocho kusokonekera, zomwe zimapangitsa kuti chisamasungidwe bwino kapena kulephera kwathunthu kwa makina. Machitidwe ayenera kuonetsetsa kuti ali ndi zida zokwanira zotsegulira ndi kutseka za wopanga m'malo aliwonse ogwirira ntchito kuti apewe kuwonongeka kwa iatrogenic kwa zida za bracket.

Momwe mungasankhire ngati mabulaketi odziyimitsa okha ndiye chisankho choyenera

Chisankho chosinthira ku machitidwe odzipangira okha ndi kuwerengera kovuta komwe kumaphatikizapo kuyeza ubwino wa zachipatala poyerekeza ndi zenizeni zachuma ndi ntchito. Eni ake a ntchito ayenera kusanthula mokwanira mtengo ndi phindu kuti adziwe ngati ukadaulowu ukugwirizana ndi chikhalidwe cha odwala awo komanso mtundu wa bizinesi.

Zinthu zachipatala, ntchito, ndi mtengo

Cholepheretsa chachikulu pakugwiritsa ntchito mabulaketi odziyimitsa okha ndi mtengo wa zinthu zomwe zimagwiritsidwa ntchito pasadakhale. Mabulaketi onse odziyimitsa okha nthawi zambiri amakhala pakati pa $30 ndi $60, zomwe zikutanthauza kuwonjezeka kwa 200% mpaka 300% kuposa mabulaketi awiri wamba. Kuti atsimikizire ndalama zomwe zagwiritsidwa ntchito, machitidwe ayenera kugwiritsa ntchito bwino ntchito zomwe dongosololi limapereka. Kuti mudziwe zambiri zokhudza izi, funsani mafunso okhudza izi.kugula zinthu zambiri ndi zofunikira pa dongosolo, machitidwe akhoza kufunsaMabulaketi odzimanga okhaakatswiri kuti aone momwe njira zoperekera zinthu zimagwirira ntchito moyenera.

ROI yogwira ntchito imapezeka mwa kuwonjezera mphamvu. Mwa kuchepetsa nthawi yokumana ndi dokotala kuti asinthe mawaya ndi mphindi 5 mpaka 10 ndikuchotsa maulendo awiri mpaka anayi panthawi yonse ya chithandizo, dokotala akhoza kuwonjezera kuchuluka kwa odwala ake ndi 15% mpaka 20% popanda kuwonjezera maola ogwirira ntchito. Kuphatikiza apo, kuchepetsa maulendo obwera mwadzidzidzi chifukwa cha kusweka kwa elastomeric ties kapena poking ligatures kumawongolera mwachindunji phindu la chipatala.

Pamene mabulaketi odziyimitsa okha ndi oyenera kwambiri

Mabulaketi odzigwira okha ndi omwe ambiri

Kuwerenga kwina:

• Mabulaketi odzimanga okha
• Mabulaketi odzimanga okha
• Mabulaketi odzimanga okha

Mfundo Zofunika Kwambiri

• Zomaliza zofunika kwambiri ndi zifukwa zomveka zogwiritsira ntchito ma brackets a Self ligating
• Mafotokozedwe, kutsata malamulo, ndi macheke owopsa oyenera kutsimikiziridwa musanachite izi
• Njira zotsatila zogwira mtima komanso machenjezo omwe owerenga angagwiritse ntchito nthawi yomweyo

Mafunso Ofunsidwa Kawirikawiri

Kodi mabulaketi odziyimitsa okha amachepetsa bwanji kukangana?

Amagwiritsa ntchito cholumikizira kapena chitseko chomangidwa mkati m'malo mwa zomangira zotanuka, kuti waya wa arch usakanikizedwe mwamphamvu mu malo olowera. Izi zimachepetsa kukana panthawi yoyenda.

Kodi mabraketi odzipangira okha okha ndi abwino kwambiri pochiza kupsinjika pang'ono?

Kawirikawiri inde panthawi yoyambirira yolinganiza. Mapangidwe osasinthasintha amapanga malo ambiri mozungulira mawaya ozungulira, zomwe zimathandiza kuchepetsa kukhudzana ndi kutsetsereka bwino.

Kodi mabulaketi odziyimitsa okha angafupikitse nthawi ya mpando?

Inde. Kutsegula ndi kutseka ma clip ophatikizidwa nthawi zambiri kumakhala kofulumira kuposa kusintha ma elastomeric ties, zomwe zingapulumutse nthawi paulendo wosintha nthawi zonse.

Kodi mabulaketi odziyikira okha amapangitsa kuti chithandizo chikhale chosavuta?

Zingathe. Kukankhana kochepa kumalola mphamvu zopepuka komanso zopitilira, zomwe zimachepetsa kupanikizika kwa mano ndikuwonjezera chitonthozo mukakhazikika.

Kodi zipatala ziyenera kuyang'ana chiyani zikafuna mabulaketi odzipangira okha kuchokera ku DenRotary?

Onani kulondola kwa malo, kudalirika kwa clip, kusalala kwa pamwamba, ndi zosankha zomwe zilipo za mainchesi 0.018 kapena 0.022. Zinthu izi zimakhudza mwachindunji kuwongolera kukangana ndi magwiridwe antchito achipatala.