Purity tsis yog tib yam uas yuav tsum tau muab rau hauv kev xav, thiab qhov tseeb, ib tus yuav tsum tau ceev faj txog kev ua kom muaj kev coj dawb huv ntau dua li ua 'zoo dua' hauv txhua qhov xwm txheej. Cov ntsiab lus ntawm kev siv cov titanium yog qhov tseem ceeb heev. Yog lawm, titanium purity yog ncaj qha cuam tshuam rau qee yam khoom siv, suav nrog lub zog siv tshuab thiab hardness / toughness, tab sis hauv kev lag luam xws li tshuaj (thiab ob peb lwm tus), nws yog qhov kev txiav txim siab ntawm ' haum' ntawm tus cwj pwm thiab cov kev cai uas tseem ceeb dua (tsis yog 'simplicity' ntawm siab dua titanium purity).
Cov yam ntxwv ntawm Pure Titanium (Qib 1-4)
Ntshiab titanium ua purer' yog correlated nrog nws ua softer thiab kuj tsis zoo thaum nws los txog rau lub zog / hardness, thiab raws li qhov tshwm sim, nws dhau los ua ib qho kev xaiv zoo dua nyob rau hauv cov nqe lus ntawm corrosion kuj, thiab cov cuab yeej ntawm biocompatibleness yog kho kom zoo thiab.
Grade 1 has the highest purity (>99.5%) thiab yog qhov softest, nrog qhov loj tshaj elasticity (qhov tsawg kawg ntawm cov ntaub so ntswg irritation). Qib no yog qhov zoo dua rau cov neeg uas muaj pob txha alveolar nyias thiab cov hlau rhiab heev, yog li nws feem ntau siv rau hauv kev cog hniav anterior.
Qib 2 yog qib siv ntau tshaj (hauv titanium implants). Qib no muaj me ntsis qis purity thiab yog qhov zoo tshaj plaws nyob rau hauv cov nqe lus ntawm qhov sib npaug ntawm lub zog thiab toughness, yog li nws yog qhov feem ntau siv 'pab' qib hauv kev cog hniav, raws li nws muaj peev xwm tiv taus lub zog ntawm txhua hnub zom.
Qib 3-4 muaj cov pa oxygen ntau dua nyob rau hauv nws thiab yog li muaj zog dua thiab lub zog / tawv, mus txog qhov zoo sib xws rau cov hlau zoo tib yam. Qib no yog tsim los siv rau hauv cov hniav tom qab thiab lwm thaj chaw uas muaj zog occlusal siab.
Qhov zoo ntawm Titanium Alloys (xws li Qib 5)
Thaum muaj zog ntau dua, qaug zog, lossis kev thauj khoom - yuav tsum muaj peev xwm, titanium alloys, es tsis yog siab -purity titanium, yog siv.
Qib 5 (Ti-6Al-4V) yog 1.5 npaug zog dua qib 4 ntshiab titanium. Yog li, nws yog feem ntau siv rau hauv daim hlau orthopedic thiab lwm yam kev cog qoob loo, nrog rau cov pob qij txha.
Alloying Cheebtsam (aluminium, piv txwv li) tuaj yeem ua rau muaj kev tsis haum tshuaj nyob rau hauv ib feem me me ntawm cov pejxeem (ze li 2%). Yog li, keeb kwm ntawm kev ua xua hlau yuav tsum tau txiav txim siab ua ntej siv titanium alloys.
Cov kev xaiv zoo tshaj plaws rau cov xwm txheej sib txawv
Kev cog hniav: titanium alloys ntawm Qib 2 yog tsim rau cov hniav anterior, whereas cov qib 4 los yog 5 yog rau cov hniav tom qab vim muaj ntau occlusal rog.
Orthopedic implants (piv txwv li, daim hlau, cov pob qij txha hluavtaws): titanium alloy ntawm Qib 5 yog pom zoo rau cov khoom siv no vim qhov zoo tshaj plaws ntev -lub sij hawm ruaj khov nyob rau hauv kev sib raug zoo rau cov kev cia siab loads.
Kev siv dav dav (titanium mugs, tsom iav qhov muag, thiab lwm yam): titanium alloys (xws li, -titanium) yog qhov kev xaiv zoo tshaj plaws yog tias lub teeb yuag thiab ruaj khov yog cov yam ntxwv xav tau, txawm hais tias siab -purity titanium (99% lossis ntau dua) muaj kev nyab xeeb dua thiab muaj kev tiv thaiv corrosion zoo dua.
Yog li ntawd, lub tswv yim hais tias "qhov siab dua qhov purity ntawm titanium, qhov zoo dua" yog ib tug misconception. Ib yam li cov log tsheb yuav tsum tsis txhob mos dhau, xaiv cov khoom siv "txoj cai" titanium yog qhov tseem ceeb rau kev ua tiav qhov zoo sib npaug ntawm kev nyab xeeb, kav ntev, thiab kev nplij siab.