Zirconium oxide: piav qhia, khoom, nta ntaub ntawv thiab kev txheeb xyuas

Cov kws kho kaus hniav tuaj yeem siv rau txhua qhov, nyob hauv txhua lub tsev kho hniav. Cov ntaub ntawv rau kev siv ntawm prostheses thiab cov tswv yim rau lawv cov installation rau hnub no muaj ntau heev xaiv. Cov khoom tshiab zirconium oxide impresses nrog nws cov qualities thiab yog xav tau qhov zoo tshaj plaws rau daim ntawv thov nyob rau hauv daim teb no.

Zirconium oxide raws li ib tug tshuaj compound

Oxide (dioxide) ntawm zirconium ZrO2 - yog pob tshab, tsis muaj kob muaju tshwj xeeb zog, insoluble nyob rau hauv dej thiab feem ntau acids thiab alkalis, tab sis dissolves nyob rau hauv lub molten alkali tsom-iav, hydrofluoric thiab sulfuric acid. Qhov nruab nrab lub ntsiab yog 2715 ° C. Zirconium oxide tshwm sim nyob rau hauv peb hom: ruaj khov monoclinic, uas tshwm sim nyob rau hauv qhov, metastable tetragonal - yog ib feem ntawm zirconium ceramics, tsis ruaj tsis nyhav - yog siv nyob rau hauv cov hniav nyiaj hniav kub raws li ib tug imitation ntawm diamonds. Nyob rau hauv kev lag luam, zirconium oxide tau ua thoob plaws vim nws lub siab tawv, khoom qab zib, kua txig, iav thiab ceramics yog ua los ntawm nws.

Spheres ntawm daim ntawv thov ntawm zirconium oxide

Zirconium oxide tau pom nyob rau hauv 1789 thiab tsis tau raug siv rau ib lub sij hawm ntev, nws lub peev xwm loj heev tsis paub txog noob neej. Nyuam qhuav nyuam qhuav, zirconium tau siv ntau qhov chaw ntawm tib neeg kev ua ub no. Nws yog siv rau hauv kev lag luam automotive, piv txwv li, nyob rau hauv lub siv ntawm cov nres discs ntawm high-class tsheb. Nyob rau hauv qhov chaw lag luam, nws yog indispensable - ua tsaug rau nws, ships tau withstand tsis tshua muaj kev kub ntxhov teebmeem. Txiav cov cuab yeej, twj kuj muaj cov zirconium oxide. Nws kuj siv tshuaj, piv txwv, raws li lub taub hau ntawm cov pob txha ua pob txha. Thiab, thaum kawg, hauv kev kho hniav, nws tuaj yeem qhia txhua yam nws zoo tshaj plaws nyob rau hauv lub luag haujlwm ntawm cov hniav cuav.

Zirconium oxide hauv kev kho hniav

Hauv kev kho hniav niaj hnub, zirconium oxide yog cov khoom uas nrov tshaj plaws rau kev ua hniav yas. Nws tau kis nyob rau hauv cheeb tsam no vim nws zoo, xws li hardness, lub zog, durability thiab preservation ntawm daim ntawv thiab tsos rau ntev, biological compatibility nrog tib neeg cov ntaub so ntswg, zoo nkauj tsos. Ua tau los ua khoom siv rau cov khoom qub, txuas hniav, pins, siv cov txheej txheem siv cog lus siv.

Zirconium oxide, tus nqe uas yog siab dua lwm hom hniav cuav, yog qhov nyuaj hauv kev ua. Qhov no yog vim li cas rau qhov tseeb hais tias xws crowns yog cov feem ntau kim. Tom qab tus ncej tsim, ib txheej ntawm dawb ceramic yog siv rau nws, txij thaum zirconium oxide nws tus kheej tsis muaj xim. Tsaug rau qhov no ceramic yuav tau thov heev nyias txheej.

Non-hlau crowns rau zirconium oxide

Nyob rau hauv lub chaw ua khoom ntawm crowns thiab cov txuas hniav zirconium oxide heev cov khoom tshiab. Yav dhau los, kev siv cov hniav cuav rau ntawm ib lub voj hlau yog ib qho kev txwv tsis meej thiab ib qho kev xaiv tsis yog. Tab sis cov kws tshawb fawb tau tshawb nrhiav thiab tshawb rau cov khoom haum uas tsim nyog tshaj plaws nrog ob qho tib si zoo nkauj thiab kev sib haum xeeb nrog cov nqaij ntawm tib neeg lub cev, muaj zog thiab teeb. Xws li cov ntaub ntawv tau pom, thiab qhov no nyob rau hauv qhov yog ib rarity, nyob rau hauv nws cov qualities, nws yuav muab piv nrog tsuas muaj pob zeb diamond.

Nrog cov zinconium crowns, cov neeg mob tau txais kev lom zem thiab kev zoo nkauj ntawm cov khoom siv, lwm qhov tshaj plaws yog tias tsis yog txhua tus muaj peev xwm them taus xws li ib tug hmoov zoo. Tab sis vim nws lub zog, nws yuav tsim nyog siv sij hawm thiab rau tag nrho koj lub neej - zirconium prostheses yog incredibly check thiab ruaj khov. Vim lub fact zirconium oxide nws tus kheej yog pob tshab, cov nyhuv ntawm cov hniav yog tsim nrog ib txheej txheej ntawm ceramics. Tsis tas li ntawd, lub crowns haum tightly mus rau gum, tsis muaj lub slightest sib txawv, uas tsim ib qho txawm ntau ntuj saib.

Kev pleev xim ntxiv thiab lub zog

Dawb hlau - qhov no qee zaum yog hu ua ceramics on zirconium oxide. Crowns ua ntawm cov khoom no yog 5 lub sij hawm muaj zog tshaj li tag nrho-ceramic hniav cuav. Qhov zoo ntawm lub zog zoo li cas? Ua ntej cov tsos ntawm zirconium oxide nyob rau hauv txoj kev ua hniav, cov crowns tau siv ib lub xaim hlau uas muaj txheej txheej ntawm ceramics tau siv. Hlau - kev ua kom muaj zog, ntxhua - ua kom zoo nkauj. Tab sis nws tsis muaj peev xwm tsim ib qho kev pom tseeb kiag li nyob rau hauv txoj kev no, nyob rau hauv qhov chaw ntawm kev sib cuag ntawm lub protthesis thiab cov pos hniav, ib lub stripe tsaus yog pom tseeb (qhov nyhuv yog ua los ntawm ib cov hlau ncej).

Zirconium oxide tsis zoo hauv lub zog rau cov hlau, thiab tso cai rau koj sau cov xim ntuj thiab daim npog, zoo li ib qho hniav, tsis muaj xim muaj zog loj dua. Nws zoo sib xws nyob rau hauv cov ntaub so ntswg ntawm tus hniav, nws muaj lub teeb hloov. Rays ntawm lub teeb nkag mus rau hauv lub thickness ntawm crown yog refracted thiab dissipated nyob rau hauv ib txoj kev uas ntuj, tsim cov nyhuv ntawm ib tug zoo thiab zoo nkauj luag. Cov kws kho hniav tuaj yeem xaiv cov xim uas tsis txawv ntawm cov xim ntawm lwm cov hniav zoo thaum tsim kom muaj tus cwj pwm, vim li ntawd cov khoom yas tsis tsim txhua yam los ntawm kev sib koom nrog cov hniav zoo.

Biocompatibility

Cov hlau, uas tsim cov hlau-ceramic prostheses raug tsim, qee zaus yog qhov ua rau kev ua xua tshwm hauv tus neeg mob, qhov muag pom ntawm qhov mob thiab ib qho kev tiv thaiv mus ntev rau ntawm txoj cai. Khoom yas raws zirkonium oxide - ib qho kev xaiv zoo tshaj plaws rau cov tib neeg uas muaj kev sib haum xeeb thiab kev tsis pom zoo rau cov hlau.

Qhov no yog vim li cas lawv cov khoom xws li:

• Luag muaj pes tsawg leeg (tsis muaj silica).
• Kev tiv thaiv rau acids, tsawg solubility.
• Tus sab nrauv tsis tso cai rau txua rau ntawm yoov.
• Qaug rau lwm yam khoom nyob rau hauv lub qhov ncauj kab noj hniav.
• Kev kho hluav taws xob kom paub meej tias tsis muaj kev tsis xis nyob thaum noj kub los yog txias khoom noj.
• Tsawg tshaj plaws ntawm kev noj qab haus huv. Lub zog ntawm cov ntaub ntawv tso cai rau koj los tsim cov thav duab, uas yog zom cov hniav kom tsawg thiab txuag tau cov ntaub so ntswg zoo dua.

Contraindications

Zirconium oxide, uas nws cov khoom zoo tagnrho rau cov hniav cuav, tsis muaj qhov tsis muaj kev txwv, tshwj tsis yog xws li cov tib neeg cov yam ntxwv ntawm tib neeg lub cev:

• Lub qhov muag qis yog ib txoj kab ntawm lub puab tsaig ntawm lub puab tsaig, uas lub puab tsaig sab qaum ib sab ntawm cov hniav qis thaum txoj haujlwm raug kaw. Kev ntxeev siab ua rau kom siab ntev rau ntawm cov hniav ntawm lub puab tsaig sab nraud thiab hawv nrog ib qho ntxiv ntawm kev hnov mob ntawm tus hniav.
• Bruxism yog ib qho txawv txav uas pom cov hniav sib tsoo, feem ntau thaum pw tsaug zog. Yog vim li cas tsis qhia tawm, tab sis ntau cov kws tshawb fawb pom zoo tias bruxism yog qhov tshwm sim ntawm kev tsis txaus siab thiab kev ntxhov siab. Nws ua rau kev puas tsuaj rau tus hniav laus thiab cov hniav ntawm cov hniav.

Ua yas

Zirconium oxide yog cov nyuab hauv kev ua, yog li tsim cov khoom ntawm nws yog ib txoj kev ua haujlwm. Nws muaj ntau theem:

1. Lub qhov ncauj tawm ntawm qhov ncauj yog npaj, tus hniav yog grinded nyob rau hauv lub yas.
2. Ib lub tswv yim yog ua los ntawm ib tug hniav, ib tug qauv ntawm lub neej yav tom ntej crown.
3. Lub laser scan ntawm cov qauv yog ua tiav, cov ntaub ntawv raug kaw hauv lub computer rau kev ua haujlwm.
4. Lub computer tshwj xeeb program simulates tus ncej, suav nyiaj rau txhua tus nuances (piv txwv li, thim ntawm lub cev me me tom qab tua hluav taws).
5. Rau hauv lub computer nrog cov ntaub ntawv tau txais, ib lub cav rau kev sib tsoo muaj kev sib txuas thiab tus ncej yog tsim los ntawm zirconium dawb paug.
6. Cov phom machined yog muab tso rau hauv kev kub-txias rau sintering qhov loj thiab muab lub zog ntau dua.
7. Cov kab tiav lawm yog them nrog ib qho xuv tooj ntawm cov duab ntxoov ntxoo xaiv rau ib tug neeg mob.

Qhov zoo ntawm zirconium crowns ua ntej daim tawv nqaij

Yog tias koj xav tau cov kws kho mob ua ntej tus neeg mob, qhov teeb meem tshwm sim ua rau cov khoom neeg tsim los xaiv. Zirconium oxide muaj ntau qhov zoo tshaj lwm yam ntaub ntawv:

• Cov kws kho mob nrog zirconium crowns tsis tas yuav tsum tau tshem tawm ntawm cov hlab ntsha.
• Qhov tsis muaj hlau nyob hauv tus tsim, uas tshem tawm cov teeb meem xws li kev tsis haum tshuaj, ib qho metallic saj hauv lub qhov ncauj.
• Txwv kev tsis tuaj ntawm kev loj hlob ntawm cov kab mob nyob rau hauv lub crown. Kev tiv thaiv yog khi rau cov pos hniav, cov khoom noj thiab cov kab mob tsis nyob hauv qab.
• Qhov tseeb ntawm tus ncej. Cov ntaub ntawv ua tau txais kev lees paub tias yog qhov tsim tau zoo heev hauv qhov tsim.
• Tus neeg xaiv ntawm xim. Cov tshuaj tiv thaiv tas tsis tuaj yeem pom qhov txawv ntawm tus so, cov hniav zoo.
• Muaj peev xwm ua tus choj ntawm txhua qhov ntev;
• Yooj yim ntawm kev tsim kho.
• Tsis muaj lus teb rau cov khoom noj txias thiab kub. Kev hnav khaub ncaws tuaj yeem ua rau tsis kaj siab los ntawm kev kub siab los yog tsawg dua. Zirconium oxide tsis muab cov tshuaj tiv thaiv no.
• Pom zoo kiag li.
• Hla ntawm ib sab ntug grey hauv cheeb tsam ntawm kev sib cuag nrog cov pos hniav.
• Thaum npaj rau cov khoom siv hluav taws xob, tsis tas yuav tsum tau xav txhuam tus hniav.
• Crowns tsis deform thiab tuav lawv cov duab thiab cov duab rau ib lub sij hawm ntev.

Xyuas

Thaum lub sij hawm luv luv, zirconium oxide tau muaj pov thawj hauv kev kho hniav, xyuas nws tsuas zoo xwb. Thaum kawm ntau cov lus hauv lub network, nws muaj peev xwm yuav xaus lus tias cov khoom no zoo tagnrho rau kev siv ntawm cov hniav cuav. Thaum lub sij hawm tag nrho cov sij hawm ntawm daim ntawv thov ntawm zirconium oxide nyob rau hauv prosthetics ntawm cov hniav, muaj tsis muaj cov ntaub ntawv ntawm kev tsis haum tshuaj. Kev kho mob kis tau sai thiab tsis muaj teeb meem, thiab qhov pom ntawm lub luag tsuas pleases tus neeg mob yam tsis muaj kev puas siab ntsws ntawm lub cev txawv ntawm lub qhov ncauj. Kev tshwj xeeb yog kev xav los ntawm tib neeg hnav cov hlau yas nrog los yog tsis muaj lub raj mis ua ntej lub installation ntawm zirconium prostheses. Tom qab tag nrho, lawv muaj ib yam dab tsi los sib piv. Ob peb xyoo dhau los no hom kev tivthaiv zoo nkauj heev, vim tsis muaj lwm txoj haujlwm rau nws ntawm lub sijhawm ntawd. Hlau crowns tsis tau tsuas yog coj lub cev tsis xis nyob (ua xua, cov tshuaj tiv thaiv rau kub), tab sis tsis tau saib aesthetically pleasing. Tom qab hloov lawv nrog zirconium, tib neeg yuav xav tsis thoob li cas ib qho khoom plig muaj peev xwm pom tsis tau rau lwm tus thiab saib kom zoo li qub. Qhov no tau ua tau los ntawm cov khoom ntawm lub neej yav tom ntej - zirconium oxide.