Kev Taw Qhia Thiab Kev faib cov hniav Txhuas-ceramic

Txhua-ceramic hniav, tseem hu ua tag nrho-ceramic crowns, yog cov plooj (porcelain restorations) uas npog tag nrho cov yas saum npoo thiab tsis muaj hlau yas. Vim hais tias cov yas puab tsis siv hlau, tab sis yog ua los ntawm cov khoom siv porcelain muaj zog zoo ib yam li cov xim rau cov hniav, nws yog qhov zoo nkauj dua li cov hlau-raws li cov plooj (porcelain restoration). Lub translucency zoo ib yam li cov hniav ntuj. Lub gingival ntug zoo nkaus li zoo nkauj dua tom qab kev kho dua tshiab, thiab tuaj yeem ua tiav Nws muaj qhov zoo ntawm cov nyhuv simulation thiab tsis muaj qhov khaus rau cov ntaub so ntswg. Nws tau siv dav hauv kev kho mob, tshwj xeeb tshaj yog nyob rau hauv kev kho kom zoo nkauj ntawm cov hniav anterior.