Nyob rau hauv alginate impression cov ntaub ntawv sodium phosphate yog qhov?

Cov txheej txheem:

Nyob rau hauv alginate impression cov ntaub ntawv sodium phosphate yog qhov?
Nyob rau hauv alginate impression cov ntaub ntawv sodium phosphate yog qhov?
Anonim

Nws tau pom tias sodium phosphate nyob rau hauv cov hniav alginate impression hmoov ua ua tus neeg rov qab los yog teeb tsa lub sijhawm txwv tsis pub. Tsis tas li ntawd, calcium sulfate ion, uas yuav tsum ncaj qha khi rau sodium alginate, thawj zaug reacted nrog phosphate ions ntawm sodium phosphate los tsim insoluble calcium phosphate.

alginate impression khoom yog dab tsi?

Alginate yog dab tsi? Alginate yog cov khoom siv hmoov uas muaj sodium alginate, calcium sulfate, trisodium phosphate, diatomaceous earth, zinc oxide, thiab potassium titanium fluoride. Thaum sib xyaw nrog dej, nws ua rau cov gel zoo li qhov sib xws uas teeb tsa ruaj khov txaus rau pwm.

Cov khoom siv dab tsi yog alginate alginate impression siv rau?

Dental alginate yog cov khoom siv pom zoo uas, thaum sib xyaw nrog dej, hloov mus rau hauv ib qho yooj yim thiab elastic gel siv ua pwm ntawm koj tus neeg mob cov hniav thiab ib puag ncig. Alginate tsim cov pwm kom ntxaws thiab pheej yig dua li lwm qhov kev xaiv.

Yuav ua li cas impressions nrog alginate?

Alginate yog ib qho elastic,

irreversible hydrocolloid impression khoom . Irreversible hydrocolloid impressions tsim ib feem ntawm indirect restorations. Alginate yog ib qho ntawm cov khoom siv kho hniav uas nquag siv tshaj plaws; thiab alginate impression yog ib qho yooj yim, raug nqi, thiab indispensable ib feem ntawm kev kho hniav.

yog dab tsiCov khoom xyaw tseem ceeb ntawm alginate impression?

Kev sib xyaw thiab teeb tsa

Cov khoom xyaw tseem ceeb hauv alginate yog potassium lossis sodium alginate, uas ua rau 15% mus rau 20% ntawm cov hmoov.

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