Kev Kho Hniav PMMA thaiv Kev Ua Dental Crown Choj

Kev Kho Hniav PMMA thaiv yog ntau yam khoom siv los tsim cov yas ib ntus, muaj ntau yam xim, suav nrog VITA's A, B, C, thiab D series, nrog rau cov xim tshwj xeeb xws li Clear, Pink, thiab Bleach. Nrog Vickers hardness ntawm 35 HV, flexural zog ntawm 100 MPa, thiab E-modulus ntawm 0.8 × 88 MPa, nws muaj kev ua tau zoo heev. Lub PMMA discs tuaj nyob rau hauv plaub txoj kev xaiv: qhib system (98mm), Zirkonzahn system (95mm), Amann Girrbach system (AG89 × 71), thiab Sirona system, nrog thicknesses li ntawm 10mm mus rau 25mm rau tag nrho cov tshuab tsuas yog Sirona.

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