Noj qab haus huvStomatology

Yuav ua li cas yog cov ntsaws? Hom ntawm cov ntsaws nyob rau hauv kev kho hniav

Tsis yog txhua txhua tus neeg mob lub chaw kho hniav yog hais txog dab tsi yog cov ntaub ntawv uas rau siv ceev xwmphem cov hniav. Tab sis qhov no zoo tshaj muaj ib tug ncaj qha feem ntev npaum li cas nws yuav cia rau tsiaj hiav txwv. Nyob rau hauv tas li ntawd, cov hom ntawm cov khoom nyob rau hauv lub noj qab haus huv ntawm tus hniav raws li nws cov theem ntawm complexity ntawm tus txheej txheem ntawm kev kho mob. Niaj hnub no peb tham txog yuav ua li cas los xaiv cov khoom rau cov ntsaws. Hom cov ntsaws ruaj ruaj, lawv zoo thiab disadvantages yog tseem tham txog nyob rau hauv no tsab xov xwm.

General yuav tsum kho hniav ntsaws

Thawj txiav txim zoo li cas xyov yog sau nyob rau hauv kev kho hniav? Qhov no kev kho mob cov ntaub ntawv uas, nyob rau lub viscosity thiab plasticity, uas nyob rau hauv lub sij hawm los yog vim lwm yam solidifies nyob rau hauv tus hniav kab noj hniav.

Muaj ib daim ntawv teev uas yuav tsum tau rau tag nrho cov hom ntawm cov ntsaws ruaj ruaj:

  1. Security. Cov khoom yuav tsum yoog mus rau hauv tus tsim tu kev cai.
  2. Insolubility.
  3. Persistence - lub tsiaj hiav txwv yuav tsum tsis txhob tsum erased los yog ntsws nyob rau hauv volume.
  4. Yuav tsum solidify nyob rau hauv ib tug luv luv lub sij hawm.
  5. Ntaub ntawv uas yuav hloov tsis tau cov xim, dawb lias.
  6. Zog.

Hom ntawm cov ntaub ntawv rau cov hniav ntsaws

Nyob rau hauv niaj hnub kho hniav siv ntaub ntawv sib txawv rau zus tau tej cov kev kho hniav ntsaws. Txhua yam ntawm lawv muaj ob zoo thiab disadvantages. Ib txhia cov ntaub ntawv muaj nyob rau hauv lub dawb rau pej xeem tsev kho mob, thaum lwm tus neeg muaj ib tus nqi. Yog li ntawd, dab tsi yog lub ntsiab hom ntsaws ruaj ruaj? Thaum lub caij, muaj peb:

  • tshuaj;
  • photopolymeric;
  • lub sij hawm.

Txhua tus tsiaj muaj xws li subtypes, nyob ntawm seb cov tshuaj muaj nyob rau hauv nyob tus yeees ntawm cov hniav filling khoom.

MAAs cov ntsaws ruaj ruaj

Cov ntsaws rau cov hniav npaj feem ntau ntawm ib tug powdery tshuaj thiab cov kua acid. Raws li ib tug tshwm sim ntawm nws, ib yam tshuaj cov tshuaj tiv thaiv, thaum lub sij hawm uas tus muab tshuaj txhuam-zoo li sib tov twb tsim muaj cov cuab yeej ntawm hardening ntawm ib tug tej lub sij hawm luv.

Maas cov ntsaws ruaj ruaj, nyob rau hauv lem, yog tseem muab faib ua tej pab pawg nyob rau hauv lub tshuaj tam sim no nyob rau hauv muaj pes tsawg leeg, raws li nram no:

  • zinc thiab phosphate;
  • silicates;
  • silicates thiab phosphates;
  • polycarbonates;
  • iav ionomers.

Tus thawj plaub cov ntsaws ruaj ruaj yog tshuaj subspecies. Thiab lub caij nyoog kawg no tej zaum yuav tawv ob leeg los ntawm acid thiab los ntawm lub teeb tsis.

Muaj tej yam zoo MAAs ntsaws:

  1. Tsis tshua muaj nqi.
  2. Tsis yuav tsum tau siv thaum lub sij hawm sau ntawm tshwj xeeb seev.
  3. Simplicity nyob rau hauv lub kos duab lub installation txheej txheem khoom.

Muaj xws ntsaws tseem ceeb drawbacks:

  • sai sai poob lawv cov zoo, ntim,
  • Lawv xav tau ib tug ntev lub sij hawm ntawm lub sij hawm mus ua kom tiav solidification;
  • nrog lub sij hawm los yog nyob rau hauv tus ntawm lwm yam yog ib qho yooj yim rau keej, crumble;
  • yog hais tias tsis zoo nqa tawm hauv tus txheej txheem ntawm qhov chaw kawm lub tsiaj hiav txwv yog tau pinned noj qab nyob zoo hniav;
  • Nws tsis tiv thaiv re-rov tshwm sim los yog hais tawm ntawm caries;
  • tshuaj lom.

Cov tsis zoo muaj rau ib tug ntau dua los yog tsawg raws li tag nrho cov subspecies MAAs ntsaws, iav ionomers apart. Qhov no cov ntaub ntawv uas yog dav siv nyob rau hauv niaj hnub tshuaj, xws li nyob rau hauv private tsev kho mob. Qhov no foob yog tsis zoo. Muaj Fluoride hloov uas tiv thaiv tus hniav los ntawm ntxiv kis ntawm carious chaw. Tsis tas li ntawd, cov khoom tsis tsuas nyob ntawm tus hniav qhov chaw lub cev, tab sis kuj los nrog tus txha hniav laus nyob rau hauv ib tug tshuaj cov tshuaj tiv thaiv. Los ntawm tus txheej txheem no, iav ionomer ntsaws kav ib lub sij hawm ntev.

nws yog xim hlau ntaub ntawv

Yuav ua li cas yog cov hom ntawm cov hlau ntsaws hniav? Qhov no thiaj li hu ua hlau - lub ntsiab raws li nyob rau hauv cov hlau uas muaj cov cuab yeej ntawm curing. Muaj nyiaj, kub thiab tooj liab.

Hlau ntsaws ruaj ruaj muaj siab zog, lawv tsis neej los ntawm cov qaub ncaug. Dua li no, nyob rau hauv niaj hnub kho hniav tej khoom yog yuav luag yeej tsis siv. Yuav ua li cas yog cov tsis zoo? Ob peb ntawm lawv:

  • rau lub installation ntawm xws ntsaws ruaj ruaj yuav tsum tau tshwj xeeb kev cov khoom, uas tsis yog nyob rau hauv txhua lub tsev kho mob;
  • hlau solidifies maj mam;
  • foob yog ho sib txawv los ntawm lub ntuj hniav xim;
  • tej zaum yuav tsim caries;
  • feem ntau kaw mob ntawm khaus, nws yog xim hlau saj nyob rau hauv lub qhov ncauj.

yas ntsaws

Cov siv nyob rau hauv niaj hnub kho hniav ntsaws? Hom cov ntsaws ruaj ruaj, muaj ntau, yog li tus kws kho mob xaiv cov uas ua lawv muaj nuj nqi tshaj plaws zoo nyob rau hauv ib tug cov ntaub ntawv. Tab sis tam sim no ntaub ntawv yas tshwj xeeb yuav tsis pom zoo kom lawv cov neeg mob. Thaum cia li ib tug ob peb xyoos dhau los, xws li ib tug foob yog ib lub lwm txoj rau hlau. Yog vim li cas yog yas tsis tau nws cov high ranking cov nrov ntaub ntawv rau lub installation ntawm ntsaws hniav?

Qhov no yog hais tias xws li ib tug tov yog tshem sai shrinks nyob rau hauv volume, hloov xim. Nyob rau hauv tas li ntawd, yas cov ntsaws ruaj ruaj yog feem ntau ua rau cov neeg mob cov lus hais kev tsis haum tshuaj xws li pob, lossis puas liab liab nyob rau hauv lub qhov ncauj. Nyob rau hauv tas li ntawd, cov ntaub ntawv no yog tshuaj lom.

composites

Common hom ntsaws yog composites. Lawv cov qauv muaj xws li ob qho tib si organic thiab inorganic tshuaj. Solidified puas khoom nyob rau hauv tus ntawm tshuaj dab, raws li tau zoo raws li ultraviolet tawg.

Formulation composites yuav tsum tau tus kws paub technology ntawm kev npaj ntawm cov hniav rau txoj kev ua no. Txij li thaum nyob rau hauv kev ua txhaum ntawm tej dab qhov zoo thiab kav ntev ntawm lub tsiaj hiav txwv yog zoo heev txo.

Lub undoubted kom zoo dua yog cov nyob rau ntawm ib tug dav palette ntawm cov ntaub ntawv uas tso cai rau koj mus ua kev kho hniav thiab rau aesthetic hom phiaj.

teeb cov ntsaws ruaj ruaj

Feem ntau, vim qhov muag ntaub ntawv tej zaum cov neeg muas zaub ib qhov chaw kho hniav rau lub sijhawm thawj ntsib nrog ib lub sij hawm xws li photopolymers. Yuav ua li cas yog nws tiag tiag? Nws yog heev yooj yim - nws yog ib yam composites los yog iav ionomers uas yog ntsia nrog ib tug tshwj xeeb UV teeb. Cov ntsaws nyob rau hauv kev kho hniav yog siv ntau feem ntau dua lwm tus.

Niaj hnub no nws yog ib qhov nyuaj rau nrhiav tau ib tug lub tsev kho mob, uas yog tsis muaj xws li ib tug kev pab cuam raws li photopolymerization. Yuav ua li cas, ces, muaj qhov zoo ntawm cov ntsaws rau cov hniav?

  1. Zog.
  2. Plasticity.
  3. Loog.
  4. Yooj yim rau nruab.
  5. Ceev tau.
  6. Qhaj ntawv ntawm tej yam tshuaj lom nyob rau hauv lub formulation.

Nrog photopolymers nqa kho tshiab ntawm lub hauv pem hauv ntej cov hniav. Khoom zog cia "sculpt" qhov tseeb zoo nkauj zoo lawm, whereupon painlessly txhim kho qhov tshwm sim ntawm ultraviolet tawg. Yog li, tag nrho cov nyob rau hauv ib tug mus, koj yuav tau nqa tawm ntawm txoj kev nyob rau hauv ob peb lub kaus hniav.

Tab sis ntawm no yog qhov ntev hniav nyob rau hauv no txoj kev yog heev yooj yim mus sau - tsuas yog tsis tau mus cuag lub teeb mus rau cov yam cheeb tsam ntawm lub qhov ncauj kab noj hniav.

ib ntus ntaub ntawv

Feem ntau, tus kws kho hniav yog tsim nyog rau nruab ib ntus filling rau kho lub hom phiaj. mus xws li cov ntaub ntawv uas yuav tsum muaj tsawg: nws muaj mus kaw hauv lub qhov nyob rau hauv tus hniav rau ib lub sij hawm ntawm ob peb hnub mus rau ib tug lub lim tiam, tom qab uas ib tug foob yuav ua tau yooj yim mus tshem tawm.

Ib Ntus ntsaws tawg thiab tau txaus pw tsaug zog, zaum, kom lawv tsis txhob muab ib tug ntev lub sij hawm.

Feem ntau, li no ntxiv rau cov tshuaj. Nws yog yog li ntawd tau tshwm sim los ntawm ib tug unpleasant saj los yog lub qhov ncauj tsw.

Hom ntawm ib ntus ntsaws yog raws li nram no:

  • diagnostics;
  • npaj rau lub tshuaj kho mob;
  • cov ntsaws ruaj ruaj rau cov khoom cuav.

Thiab yog dab tsi hniav muab up cov me nyuam?

Ntau cov niam txiv tsis txawm xav txog tias tus me nyuam, raws li tau zoo raws li ib tug neeg laus, koj xav tau ib tug niaj hnub soj ntsuam tus kws kho hniav. Yog vim li cas kho hniav yog tias lawv tseem tsis ntev lub caij nplooj zeeg tawm? Nyob rau hauv qhov tseeb, nws yog nyob rau lub xeev ntawm mus tas li mis nyuj cov hniav noj qab haus huv. Yog li ntawd, cov me nyuam yuav tsum tau kaw hniav ib zaug, sai li sai raws li tej indications rau txoj kev ua no.

Nyob rau hauv cov ntaub ntawv no, nws yog ib qho tseem ceeb rau xaiv kev nyab xeeb cov ntaub ntawv. Nyob rau hauv kev kho hniav xyuas kev siv cov ntsaws muaj fluorine (tiv thaiv kom txhob ntxiv tsim kho hniav caries). Ntau yooj yim rau siv ntaub ntawv uas tawv nyob rau hauv ultraviolet lub teeb - nyob rau hauv cov kev kho mob ntawm cov me nyuam feem ntau siv xws cov ntsaws ruaj ruaj. Hom cov ntsaws ruaj ruaj, uas yog tam sim no heev nrov nyob rau hauv cov me nyuam kev kho hniav xyaum, iav ionomer hais thiab composites.

Dawb lias ntsaws rau cov me nyuam: yog dab tsi?

Ib tug novelty nyob rau hauv cov kev kho hniav xyaum, steel dawb lias me nyuam txoj kev kho hniav ntsaws. Hom ntaub ntawv no yog txiav txim los ntawm lub chaw tsim tshuaj paus.

Bright, zoo li plasticine, ntsaws ua rau txoj kev txaus siab, li no kom txhob muaj tus muaj kev ntshai ntawm tus kws kho hniav nyob rau hauv cov me nyuam.

Tej ntaub ntawv kuj muaj siab zog. Nyob rau hauv feem ntau, nws kav nyob rau hauv cov me nyuam mus txog cov kev hloov ntawm cov hniav. Dhau li dawb lias ntsaws yog zoo polished, nws yog yas, thiab nws cov installation yuav siv sij hawm ib tug luv luv lub sij hawm.

Yuav ua li cas mus xaiv cov ntsaws? Hom cov ntsaws ruaj ruaj yuav tsum tau nyob rau hauv ib qho kev kho mob cov ntaub ntawv yuav tsum pom zoo kom tsuas cov kws muaj txuj. Txij li thaum koj yuav tau paub ntsuam xyuas qhov teeb meem no, ib tug ntau yam thiab txiav txim seb zoo li cas ntawm cov ntaub ntawv uas yog zoo tshaj plaws haum rau no xyov tus neeg mob.

Similar articles

 

 

 

 

Trending Now

 

 

 

 

Newest

Copyright © 2018 hmn.delachieve.com. Theme powered by WordPress.