Kukula kwa Waya wa Orthodontic Kufotokozedwa kwa Oyamba

Chiyambi

Kusankha kukula koyenera kwa waya wa orthodontic kumakhudza zambiri kuposa kuyika mkati mwa malo olumikizirana; kumapanga kuchuluka kwa mphamvu zomwe zimaperekedwa, momwe mano amayendera molondola, komanso momwe chithandizo chimakhalira chomasuka. Kwa oyamba kumene, manambala ndi magawo omwe amagwiritsidwa ntchito pofotokoza mawaya a arch angawoneke ngati aukadaulo, koma amatsatira mfundo zothandiza zogwirizana ndi magawo a chithandizo ndi kuwongolera. Nkhaniyi ikufotokoza tanthauzo la kukula kwa waya wamba, momwe zimagwirizanirana ndi kukula kwa mawaya, komanso chifukwa chake kusiyana pang'ono kwa makulidwe kumatha kusintha kusinthasintha, kuuma, ndi kuyenda. Pomaliza, mudzakhala ndi maziko omveka bwino owerengera kukula kwa waya ndikumvetsetsa ntchito yawo pakusamalira mano.

Chifukwa chiyani kukula kwa waya wa orthodontic ndikofunikira

Kusankha kukula kwa waya wa orthodontic ndi gawo lofunika kwambiri lakukonzekera chithandizo cha biomechanicalWaya uliwonse woyikidwa mu malo olumikizira mano umagwira ntchito ngati injini yogwira ntchito yoyendetsera mano, kusandutsa mphamvu yosungunuka yosungidwa kukhala mphamvu yowongolera. Kumvetsetsa mawonekedwe a mawaya awa si nkhani yongoyang'anira zinthu zokha koma ndi chinthu chofunikira kwambiri chomwe chimatsimikizira chitetezo, liwiro, ndi kupambana kwa chithandizo cha mano.

Kulondola kwa kukula kwa waya kumatsimikizira kuti malire achilengedwe a ligament ya periodontal akutsatiridwa. Pamene waya wa archwall wagwira ntchito, umagwiritsa ntchito mphamvu yopitilira yomwe imayambitsa kukonzanso mafupa. Kusuntha kwabwino kwa mano nthawi zambiri kumafuna mphamvu zopepuka, zopitilira kuyambira 20 mpaka 150 magalamu (kupanga pafupifupi 50 mpaka 100 kPa ya kuthamanga kwa capillary mu ligament ya periodontal), kutengera dzino lenileni ndi kayendetsedwe komwe mukufuna. Kugwiritsa ntchito kukula kolakwika kwa waya kumatha kupitirira malire awa, zomwe zimapangitsa kuti pakhale zotsatira zosafunikira monga kunyowa kwa mizu, kusasangalala kwa wodwala, kapena kutayika kwa malo okhazikika.

Kupereka mokakamiza ndi kuwongolera chithandizo

Ubale pakati pa kukula kwa waya ndi mphamvu zomwe zimachokera umayendetsedwa ndi mfundo za makina odulira. Kuuma kwa waya wodulira, komanso mphamvu zomwe amapereka, kumawonjezeka kwambiri ndi kukula kwake. Mwachitsanzo, kuwonjezera m'mimba mwake wa waya wozungulira kuchokera pa mainchesi 0.014 mpaka 0.016 kumawonjezera kuuma kwake ndi pafupifupi 70%, pomwe kuwirikiza kawiri m'mimba mwake wa waya wozungulira kumawonjezera kuuma kwake ndi 16. Ubale wa masamu wa mphamvu yachinayi uwu umatanthauza kuti ngakhale kuwonjezeka kwa mainchesi ang'onoang'ono mu m'mimba mwake wa waya kumasintha kwambiri mawonekedwe a mphamvu omwe amagwiritsidwa ntchito pa mano.

Kuphatikiza apo, kutalika kwa gawo la waya pakati pa mabulaketi (mtunda wa pakati pa mabulaketi) kumagwirizana ndi kukula kwa waya kuti kudziwike kusinthasintha konse. Mawaya okhuthala mwachibadwa amakhala osasinthasintha kwambiri ndipo amapereka mphamvu zambiri pa mtunda waufupi. Chifukwa chake, madokotala ayenera kulinganiza bwino miyeso ya waya kuti igwirizane ndi gawo lenileni la chithandizo, kuonetsetsa kuti mphamvu yotumizira imakhalabe mkati mwa zenera labwino kwambiri lachilengedwe.

Ndani akufunika kumvetsetsa kothandiza?

Ngakhale madokotala a mano ndi omwe amapanga zisankho zazikulu pankhani ya ntchito zachipatala, kumvetsetsa bwino kukula kwa waya kumafikira gulu lonse la mano. Othandizira mano amadalira chidziwitsochi kuti adziwiretu zosowa zachipatala, kukhazikitsa bwino nthawi, komanso kupewa kuchedwa pambali pa mpando. Kuzindikira molondola kukula kwa waya kumalepheretsa kuyika mwangozi waya wolemera panthawi yoyamba yolumikizana.

Kuphatikiza apo, oyang'anira kugula zinthu ndi akatswiri odziwa zinthu ayenera kumvetsetsa njira zosungira mawaya kuti asunge kuchuluka koyenera kwa katundu. Chipatala chachizolowezi chiyenera kuyang'anira zinthu zosungiramo mawaya 500 mpaka 1,000 zomwe zimakhala ndi mitundu yosiyanasiyana ya zinthu, mawonekedwe a arch, ndi magawo. Kuchuluka Kwamaoda Ocheperako (MOQs) nthawi zambiri kumakhala pakati pa mayunitsi 10 mpaka 50 pa kukula kulikonse, ndipo mtengo wapakati wa mayunitsi umasiyana malinga ndi zinthu (monga, $0.50 mpaka $1.50 ya Chitsulo Chosapanga Chitsulo, ndi $1.50 mpaka $5.00 ya NiTi). Kudziwa bwino izi kumatsimikizira kuti ntchito zogulitsa sizimasokonekera ndipo kumalola zipatala kuwunika bwino opanga ena. Kuti mudziwe zambiri zaukadaulo wathunthu wa ogulitsa ndi miyezo yabwino, akatswiri nthawi zambiri amafufuza zinthu zomwe zimafotokoza zambiri.kukula kwa waya wa orthodonticndi maziko opanga zinthu.

Momwe kukula kwa waya wa orthodontic kumatanthauzidwira

Mawaya a orthodontic amayesedwa padziko lonse lapansi pogwiritsa ntchito njira ya Imperial, makamaka mu chikwi cha inchi, ndipo amayendetsedwa ndi miyezo yapadziko lonse lapansi yopanga monga ISO 15841. Waya wotchedwa "khumi ndi zinayi" amatanthauza mainchesi 0.014. Dzina lokhazikika ili limalola kulumikizana kosalekeza pakati pa opanga, asing'anga, ndi mabuku amaphunziro padziko lonse lapansi.

Kugawa mawaya amenewa kumadalira zinthu zitatu zazikulu: mawonekedwe opingasa, miyeso ya kukula kwake, ndi kapangidwe ka zitsulo. Zonsezi pamodzi, zimafotokoza momwe wayayo idzagwirire mu malo olumikizirana ndi zinthu zomwe idzawonetse panthawi ya chithandizo. Malo olumikizirana okha ndi ofanana, makamaka opangidwa mu miyeso yoyima ya mainchesi 0.018 kapena 0.022.

Kukula kozungulira poyerekeza ndi kozungulira

Mawaya a orthodontic amapangidwa m'magulu atatu akuluakuluma geometries ozungulira: wozungulira, wa sikweya, ndi wamakona anayi. Mawaya ozungulira amayesedwa ndi chizindikiro chimodzi cha m'mimba mwake (monga, mainchesi 0.012, 0.016). Chifukwa chakuti alibe ngodya, mawaya ozungulira sangagwire makoma amakona anayi a malo olumikizirana kuti azitha kulamulira kupendekera kwa mawu a muzu (torque). Ntchito yawo yayikulu ndikutsetsereka mosavuta m'mabaketi, kulinganiza ndi kulinganiza korona za mano.

Mawaya ozungulira ndi ozungulira amafunika miyeso iwiri kuti azindikire, kuyimira kutalika ndi kuya kwa waya (monga mainchesi 0.016 x 0.022). Nambala yoyamba nthawi zambiri imatanthauza kukula koyima, pomwe yachiwiri imatanthauza kuya kopingasa. Mawaya awa adapangidwa kuti adzaze malo olumikizirana bwino kwambiri, zomwe zimathandiza dokotala kugwiritsa ntchito mphamvu ndikuwongolera malo atatu a muzu wa dzino. Pofuna kupewa kumangirirana, mawaya ozungulira nthawi zambiri amakhala ndi utali wa ngodya wopangidwa ndi makina wa mainchesi 0.003 mpaka 0.004.

Ma alloys, magawo opingasa, ndi mipata yolumikizira

Kugwirizana pakati pa waya ndi malo olumikizirana kumatchedwa "kusewera" kapena clearance. Mwachitsanzo, kuyika waya wamakona anayi wa mainchesi 0.019 x 0.025 mu malo olumikizirana mainchesi 0.022 kumasiya malo oimirira a mainchesi 0.003, zomwe zikutanthauza kuti torque imasewera ndi madigiri 5 mpaka 7. Kulekerera kolimba kumeneku kumalola kuti torque iwonetse bwino kwambiri. Mosiyana ndi zimenezi, kuyika waya wa mainchesi 0.016 x 0.022 mu malo omwewo a 0.022 kumasiya mainchesi 0.006 (pafupifupi madigiri 12 mpaka 15 a torque), kuchepetsa torque control koma kulola kuti makina otsetsereka aziyenda mosavuta.

Kapangidwe ka aloyi nakonso kamachita gawo lofunika kwambiri. Miyeso yeniyeni ya waya iyenera kuyesedwa nthawi zonse potengera zomwe imagwiritsa ntchito. Waya wa Nickel-Titanium (NiTi) wa mainchesi 0.016 umachita mosiyana kwambiri ndi waya wa Stainless Steel wa mainchesi 0.016, ngakhale kuti uli ndi mainchesi ofanana. Kapangidwe ka zitsulo kamalamulira momwe wayayo imagwirira ntchito, mphamvu yake, komanso kapangidwe kake.

Tebulo loyerekeza kukula kofanana

Kuti azitha kugwiritsa ntchito mawaya osiyanasiyana, akatswiri amagwiritsa ntchito ma chart ofotokozera omwe ali pansipa. Gome ili m'munsimu likuwonetsa kukula kwa waya wamba, mawonekedwe ake ozungulira, malo owonekera bwino, ndi momwe amagwiritsidwira ntchito kuchipatala kutengera dongosolo lokhazikika la 0.022-inch bracket slot.

Momwe mungayerekezere kukula kwa waya ndi zinthu ndi magwiridwe antchito

Kuwunika mawaya a orthodontic kumafuna kusanthula momwe kukula kwa thupi ndi sayansi ya zinthu zimagwirira ntchito. Kugwira ntchito kwa waya wa arch kumadalira kuuma kwake, kupendekera kwake, mawonekedwe ake, ndikukangana kwa pamwambaMwa kusintha miyeso yonse ya alloy ndi magawo ake, madokotala amatha kupanga bwino mphamvu za biomechanical zomwe zimagwiritsidwa ntchito pa mano.

Ma orthodontics amakono amadalira kwambiri magulu atatu akuluakulu a alloy: Nickel-Titanium (NiTi), Stainless Steel (SS), ndi Beta-Titanium (yomwe nthawi zambiri imatchedwa TMA). Chida chilichonse chili ndi mphamvu zosiyana zokolola komanso moduli yotanuka. Ponena za nkhaniyi, Stainless Steel ili ndi modulus yotanuka kwambiri ya pafupifupi 160–180 GPa, Beta-Titanium ili pa 60–80 GPa, ndipo NiTi imasinthasintha kwambiri pa 30–40 GPa. Mawaya a NiTi amatha kuchira kuchokera ku 8% ya kupsinjika kwa kapangidwe kake popanda kusinthika kosatha, pomwe chitsulo chosapanga dzimbiri cholimba chimasokonekera kosatha ngati chikukhudzidwa ndi kupsinjika kopitilira 1% mpaka 2%.

Ngati kukula kochepa kumakonda

Mawaya ang'onoang'ono okhala ndi mainchesi 0.012 mpaka 0.016, amagwiritsidwa ntchito kwambiri poyambira chithandizo. Mano akadzaza kwambiri kapena kuzungulira, waya wa arch uyenera kupindika kwambiri kuti ugwire mabulaketi osakhazikika bwino. Mawaya ang'onoang'ono a NiTi amakondedwa pano chifukwa amapereka mphamvu zambiri zopatuka pamodzi ndi mphamvu yochepa komanso yopitilira (nthawi zambiri magalamu 40 mpaka 60 a mphamvu pa 2mm ya kupatuka).

Kugwiritsa ntchito kukula kwakukulu msanga m'matendawa kungapangitse kuti ligament ya periodontal iyambe kupanikizika kwambiri, zomwe zimayambitsa kupweteka, kufalikira kwa minofu, komanso kuchedwetsa kayendedwe ka dzino. Gawo laling'ono lopingasa limatsimikizira kuti waya umakhalabe mkati mwa malire ake otambasuka, ndikulondolera mano pang'onopang'ono kupita ku mawonekedwe oyamba a arch.

Kusiyana pakati pa NiTi, chitsulo chosapanga dzimbiri, ndi beta-titanium

Ma alloy atatu akuluakuluwa amagwira ntchito zosiyanasiyana za biomechanical. Nickel-Titanium (NiTi) imadziwika chifukwa cha kukumbukira mawonekedwe ake komanso kulimba kwake. Mitundu yogwiritsidwa ntchito ndi kutentha imakhala ndi kutentha kwa Austenitic ($A_f$) komwe nthawi zambiri kumakhala pakati pa 27°C ndi 35°C. Imapereka mphamvu yofanana pamitundu yosiyanasiyana ya destiny, zomwe zimapangitsa kuti ikhale yoyenera kwambiri poyambira kulinganiza mano osakhazikika.

Chitsulo Chosapanga Dzimbiri (SS) chimayimira mbali ina ya sipekitiramu. Chimapereka kuuma kwakukulu, mawonekedwe abwino kwambiri, komanso kupsinjika pang'ono pamwamba. SS ndiye chinthu chomwe chimasankhidwa pagawo logwira ntchito ndi lomaliza, komwe kuuma kumafunika kuti kutseke malo otulutsira kapena kusunga m'lifupi mwa arch popanda kusokoneza waya. Beta-Titanium (TMA) imalumikiza kusiyana pakati pa NiTi ndi SS. Ili ndi pafupifupi 40% ya kuuma kwa chitsulo chosapanga dzimbiri, zomwe zimapangitsa kuti mphamvu zake zikhale zochepa, mawonekedwe ake ndi abwino, komanso kuuma kokwanira kuti zinthu ziwoneke bwino.

Kusinthana kwa kusinthasintha, mphamvu, ndi kuwongolera

Kusankha waya woyenera kumaphatikizapo kuyendetsa bwino pakati pa kusinthasintha, kutulutsa mphamvu, ndi kukangana. Waya wozungulira wa NiTi umapereka kusinthasintha kwakukulu komanso kukangana kochepa, koma palibe kuwongolera mphamvu. Mosiyana ndi zimenezi, waya wachitsulo chosapanga dzimbiri wa mainchesi 0.019 x 0.025 mu malo a 0.022 umapereka mphamvu yolamulira bwino komanso kutulutsa mphamvu, koma ndi wolimba kwambiri ndipo umapanga kukana kwakukulu panthawi yoyenda (SS ili ndi mphamvu yokangana ya ~0.10–0.15, pomwe TMA ili pamwamba pa ~0.25–0.35).

Madokotala ayenera kulinganiza zinthu izi kutengera cholinga chachipatala chomwe chikuchitika nthawi yomweyo. Ngati cholinga chake ndi kutsetsereka mano pa waya wa archwire kuti atseke mpata, waya wolimba pang'ono (monga 0.016 x 0.022 SS) ndi wabwino kuti achepetse kumangirira ndi kukangana. Ngati cholinga chake ndi kupotoza muzu wa dzino limodzi pamalo ake omaliza, waya wa rectangle wokulirapo umafunika kuti ugwire bwino malo olumikizirana.

Momwe mungasankhire kukula koyenera kwa waya wa orthodontic

Kusintha kudzera mu kukula kwa waya ndi njira yokonzedwa bwino kwambiri, yomwe nthawi zambiri imatchedwandondomeko ya waya wa archwireCholinga chake ndikuwonjezera pang'onopang'ono kukula ndi kulimba kwa waya, kuchoka pa mawaya opepuka ozungulira kupita ku mawaya olemera amakona anayi, popanda kuwononga zinthu zomwe zimathandiza.

Madokotala odziwa bwino mano nthawi zambiri amafuna mndandanda wa mawaya osiyanasiyana osachepera 15 mpaka 20 (kuphatikiza kukula, mawonekedwe, ndi zinthu) kuti agwirizane ndi zosowa zosiyanasiyana za odwala komanso mankhwala operekedwa ndi ma bracket. Kusankha waya woyenera kumaphatikizapo kuwunika malo omwe mano ali, zolinga zomwe makina akufuna, komanso kulekerera kwa zinthu zopangidwa. Opanga odziwika bwino amasunga kuwongolera kwapamwamba kwambiri, kusunga zilema pansi pa 0.5%.

Njira yosankhira pang'onopang'ono

Njira yosankha ikutsatira njira yolondola yogwirizana ndi magawo atatu a chithandizo cha mano. Gawo loyamba limaphatikizapo kuwunika kudzaza koyamba ndikusankha waya wozungulira wosinthasintha kwambiri, wa mainchesi ang'onoang'ono (monga, 0.014 NiTi) kuti uyambe kulinganiza, gawo lomwe nthawi zambiri limatenga masabata 8 mpaka 16. Gawo lachiwiri ndikusintha kupita ku gawo logwira ntchito (masabata 12 mpaka 24), komwe waya wokulirapo, wolimba (monga, 0.018 round SS kapena 0.016 x 0.022 SS) amasankhidwa kuti azitha kutseka malo ndikukonza kuluma.

Gawo lachitatu limakhudza gawo lomaliza (masabata 8 mpaka 16), lomwe limafuna waya wofanana kwambiri ndi miyeso ya malo olumikizirana (monga, 0.019 x 0.025 SS kapena TMA) kuti afotokoze mphamvu yomaliza ndi kuzungulira komwe kwakonzedwa m'mabaketi. Magulu ogula omwe akupeza njira izi amatha kufufuza makatalogu athunthu omwe amafotokoza zambiri.kukula kwa waya wa orthodontickuti agwirizane ndi njira zachipatala.

Ubwino, kulekerera, ndi ma phukusi

Kulondola kwa kupanga mawaya kumakhudza kwambiri zotsatira zachipatala. Mawaya apamwamba kwambiri a orthodontic ayenera kutsatira miyezo yokhwima, nthawi zambiri mkati mwa mainchesi ± 0.0005 kuchokera kukula kwawo komwe kwatchulidwa. Ngati waya wapangidwa wokulirapo pang'ono, sudzagwira malo olumikizirana; ngati ndi wocheperako, zingayambitse kusewera kwambiri komanso kutayika kwa ulamuliro.

Kuyika ma archwire kumathandizanso pakugwira bwino ntchito. Ma archwire nthawi zambiri amaperekedwa akapangidwa kale ku mawonekedwe wamba a arch (monga ovoid, tapered, sikweya) ndipo amapakidwa m'manja osabala (ndi moyo wanthawi zonse wa zaka 3 mpaka 5) kapena m'mapaketi akuluakulu a 10 mpaka 100. Kuonetsetsa kuti ma tag olembedwa bwino komanso olondola m'mapaketi awa amateteza zolakwika zachipatala ndipo kumathandiza kuti ntchito za pambali pa mpando zikhale zosavuta.

Zolakwitsa zomwe anthu ambiri ayenera kupewa

Cholakwika chofala chachipatala

Kuwerenga kwina:

• kukula kwa waya wa orthodontic
• kukula kwa waya wa orthodontic
• kukula kwa waya wa orthodontic

Ndondomeko yosankha kukula kwa waya

Mfundo Zofunika Kwambiri

• Zomaliza zofunika kwambiri ndi zifukwa zomveka za kukula kwa waya wa orthodontic
• 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 kukula kwa waya wa orthodontic wa 0.014 kumatanthauza chiyani?

Zimatanthauza kuti wayayo ndi mainchesi 0.014 m'mimba mwake. Mu opaleshoni ya mano, kukula kwake nthawi zambiri kumalembedwa m'magawo zikwizikwi a inchi, kotero madokotala angatchule waya "khumi ndi anayi".

Nchifukwa chiyani kukula kwa waya ndikofunikira pa chithandizo cha mano?

Kusintha pang'ono kwa kukula kungapangitse kuti mano akhale olimba komanso amphamvu. Kugwiritsa ntchito kukula koyenera kumathandiza kuti mano aziyenda bwino komanso kuchepetsa kusasangalala, kutayika kwa malo omangira mano, komanso kupsinjika kwa mizu kosafunikira.

Kodi kusiyana pakati pa mawaya ozungulira ndi amakona anayi a orthodontic ndi kotani?

Mawaya ozungulira amathandiza kwambiri pakulinganiza ndi kulumikiza makoma. Mawaya ozungulira amalumikiza makoma a malo olumikizirana bwino, zomwe zimapangitsa kuti mawayawo akhale olimba komanso kuti azitha kulamulira bwino pambuyo pake.

Kodi kukula kwa malo olumikizirana kumakhudza bwanji kusankha waya?

Malo olumikizira mabulaketi nthawi zambiri amakhala mainchesi 0.018 kapena 0.022. Wayawo uyenera kugwirizana ndi makina olumikizira kuti ugwirizane bwino ndikupereka mphamvu ndi mphamvu zomwe mukufuna.

Kodi zipatala zingapeze kuti mawaya ambiri a orthodontic ofanana?

Zipatala zimatha kufananiza zosankha zokhazikika ndi zofunikira za malonda kuchokera kwa ogulitsa monga DenRotary. Yang'anani zinthu, magawo osiyanasiyana, momwe zinthu zikuyendera, ndi MOQ musanayike maoda ambiri mobwerezabwereza.