Video: Dab tsi yog extrinsic staining?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Extrinsic discoloration - Qhov no tshwm sim thaum txheej txheej ntawm cov hniav (cov enamel) yog ua qias neeg los ntawm kas fes, cawv, cola lossis lwm yam dej qab zib lossis khoom noj. Kev haus luam yeeb kuj ua rau extrinsic stains . Intrinsic discoloration - Qhov no yog thaum lub puab tsaig ntawm cov hniav (cov hniav) darkens los yog tau ib tug daj tint.
Tsis tas li nug, dab tsi yog cov xim qias neeg sab nrauv?
Extrinsic stains piav qhia txog hom xim tsis zoo uas cuam tshuam rau txheej txheej sab nrauv ntawm cov hniav, lossis txha hniav laus. Extrinsic stains feem ntau tshwm sim los ntawm kas fes, tshuaj yej, cola, cawv, lossis cov khoom lag luam luam yeeb.
Qhov thib ob, dab tsi yog qhov sib txawv tseem ceeb ntawm cov xim sab hauv thiab sab nrauv? Qhov tseeb discoloration tshwm sim nyob rau hauv koj cov hniav, thaum extrinsic staining dag ntawm cov hniav nto. Extrinsic stains yog cov tshuaj pleev ib ce thiab tsis feem ntau ua rau muaj kev hem thawj rau koj qhov ncauj noj qab haus huv, tab sis sab hauv xim tuaj yeem txhais tau tias qee yam tau tshwm sim uas ua rau koj cov hniav dhau los ua xim.
Tib neeg tseem nug, dab tsi ua rau cov xim qias neeg tawm?
Extrinsic hniav cov quav feem ntau yog ua los ntawm kev haus luam yeeb lossis haus kas fes thiab tshuaj yej tsis tu ncua, cawv lossis dej cawv. Hom hniav no pes tsawg teb zoo rau kev tu hniav tsis tu ncua thiab txhuam hniav nrog tshuaj txhuam hniav ntxuav hniav dawb. Ib tug hniav ntawm qhov chaw pes tsawg yog qhov yooj yim dua kom tshem tawm, tab sis nws tuaj yeem ua tiav.
Koj yuav tshem tawm cov hniav tawm sab nrauv li cas?
Ib txhia cov quav thiab kev hloov pauv tau ua kho los ntawm ib qho yooj yim kho hniav ntxuav. Ultrasonic tu, tes ntsuas, thiab polishing tau tshem tawm ntau extrinsic stains . Hniav kev ntxuav, txawm li cas los xij, ua tsis tau tshem tawm tag nrho cov cov quav tias cov hniav tuaj yeem sau tau.
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