Noj qab haus huvStomatology

Telescopic crown: qhov zoo thiab qhov tsis zoo, ntau yam

Lub crown yog ib tug telescopic kev siv ntawm ob qhov chaw: thawj thiab. Nws yog siv mas rau kho hniav cuav. Lub hom ib feem ntawm lub hau yog los ntawm cov hlau. Cov theem nrab yas yog tsau mus rau lub thav duab ntawm lub prosthesis. Thaum pub ntxiv tshaj ob daim tsim muaj zog qauv. Nws yuav siv tau los tsim ib tug muaj zog Symptoms ntawm prostheses uas ib txhij yuav muab tau yooj yim muab tshem tawm.

Hom ntawm telescopic crowns

Qhov no mechanism twb xub kuaj nyob rau hauv lub teb chaws Yelemees thaum pib ntawm lub xeem caug xyoo. Nws lub npe yog yuam ua hauj lwm rau crown telescopic kev zoo sib thooj nrog lub tsom iav raj. Nws tivthaiv qhov chaw tsiv mus nyob rau hauv tib yam nrog kev sib hwm rau txhua lwm yam. Yuav luag ib xyoo pua ntawm cov keeb kwm, qhov no tsim twb proven nws efficiency, yooj yim ntawm kev siv thiab zoo zoo nkauj. Niaj hnub no, telescopic crowns yuav ua tau ib qho zoo heev lwm txoj rau prosthetic kev cog hniav.

Muaj ob versions ntawm no tsim - cylindrical thiab conical crowns. Lawv mas txawv nyob rau hauv tsos. Lub earliest kuaj telescopic crowns kev qhia masters nrog cylindrical phab ntsa. Lawv tsiag ntawv los ntawm ib tug tuab cog. Niaj hnub no, ib tug zoo li tsim yuav tsum tau tsuas yog siv nyob rau hauv cov neeg mob uas muaj ib tug kiag li noj qab nyob zoo pos hniav.

Telescopic yas khob hliav qab yog zoo embodiment cylindrical. Nws lub ntsiab kom zoo dua yog tus tsis muaj tej yam uas cov uas tsis yog ua tau ntawm tus raug theem. Qhov no tsim pub skewing los yog jamming thaum lub sij hawm fixation ntawm lub prosthesis. Lub ntsiab drawback ntawm tus paub system - cov tau disconnection ntawm crowns nyob rau hauv kev sib cuag nrog cov zaub mov.

Qhov zoo ntawm cov telescopic crowns

Yuav ua li cas txoj kev yuav tau muab sau tseg nyob rau hauv daim ntawv thov ntawm no tsim?

  1. Zom load yog faib tusyees rau tag nrho cov hniav thiab cov pos hniav.
  2. Tsis ntxim rau cov diction thiab tom.
  3. Yuav ntsia rau qhov kev cog hniav.
  4. Rau ib ntev lub sij hawm muab kev pab.
  5. Ib qho yooj yim mus use thiab khaws cia.
  6. Txuag tus hniav noj qab haus huv rau ib ntev lub sij hawm.

Qhov no yog tsis yog txhua txhua qhov zoo ntawm telescopic crowns. Txhua daim ntawv yuav rau nws tus kheej siv lub zoo sab ntawm cov qauv.

Tsis zoo telescopic crowns

Ntawm cov loj drawbacks ntawm no tsim yuav muab sau rau qhov siv ntawm ib tug ntev lub sij hawm thiab nqi. Txawm li cas los, cov kev tsis zoo siab nyiaj rov qab zoo crowns teev saum toj no.

Indications rau installation

Kev siv cov telescopic crowns yog tsim nyog nyob rau hauv cov nram no mob:

  • thiab muaj cov periodontitis wobbly abutment hniav;
  • muaj yog tsis muaj nyiaj txiag muaj peev xwm rau nruab kev cog hniav;
  • dhau ob peb hniav rau txhav tas qawm qho hniav cuav.

Yuav tsum siv no tsim yog tseem txiav txim los ntawm tus kws kho mob.

Telescopic crowns: cov theem ntawm kev siv thiab ua

Qhuav ntawm kev tsim kho piav nyob rau hauv tsab xov xwm yog tam sim no tau nyob rau hauv ob txoj kev: los ntawm stamping thiab casting. Tus thawj txoj kev yog suav tias yog lub feem ntau yooj yim. Txawm li cas los, thaum uas siv cov molding yuav nrhiav tau ib tug ntau txaus nyiam tsos ntawm cov khoom los ntawm kev kho mob uas niaj hnub cov ntaub ntawv.

Qhuav telescopic crowns pib nrog tus neeg mob cov hniav los ntawm kev xa hauv cov qauv. Ces tus kws khomob tshwjxeeb yuav siv sij hawm snapshots thiab xa lawv mus rau lub lab. Muaj technology tau ua rau lawv cov qauv thiab ua kaus mom. Nws yog ib qho tseem ceeb kom paub tseeb lub parallelism ntawm cov phab ntsa hauv lub abutment hniav mus tsim raws nraim zaum. Tom qab haum lub kaus mom ntawm lawv tsim ib tug plaster nrum rau hauv lub casting ntawm lub neej yav tom ntej qauv. Txheej yas no yog ua los nrog xav txog cov clearance ntawm 0.5-1 hli. Tau nyob rau hauv cov reprint twb ua sab nrauv tsim.

Nqi thiab durability

Telescopic yas yog pom tias kuj kim heev. Nws tus nqi yuav yog los ntawm 5 mus 11 txhiab. Rubles. Hais txog ib tug tag nrho prosthesis, qhov kawg nqi yuav yog nyob ntawm seb ob peb yam tseem ceeb ib txhij (cov ntaub ntawv uas siv, cov xov tooj ntawm reference cov hniav thiab li ntawd.). Ib yam li ntawd, yuav tau hu rau nws yog tsis tau.

Qawm qho prosthesis rau telescopic crowns yog yus muaj los ntawm cov uas tsis muaj lub neej - tsis muaj ntau tshaj li 10 xyoo. Yuav kom nce nws, koj yuav tsum mus ntsib koj tus kws kho mob tsis tseg thiab saib xyuas cov hauj lwm ntawm kev tsim kho.

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