Cov enamel muaj cov enamel prisms, ntau dua los yog tsawg dua sib cais los ntawm ib leeg los ntawm ib qho khoom sib txuas. Ib nrab decalcified interprismatic tshuaj yog basophile, homogeneous, thiab pob tshab.
Yuav ua li cas yog cov enamel?
Enamel Composition. Enamel muaj tshaj 95 wt% (carbonated) apatite, calcium phosphate ntxhiauas tuaj yeem pom hauv txhua cov ntaub so ntswg hauv cov pob txha (3). Apatite crystals loj hlob feem ntau raws lawv c axis, yog li nthuav tawm cov duab elongated.
Aprismatic enamel yog dab tsi?
Ib txheej txheej ntawm cov hniav, xav tias yuav muaj zog yam tsis muaj tus enamel rods lossis prisms.
Prismless enamel pom nyob qhov twg?
Ib txheej ntawm pom meej "prismless" enamel tau pom ntawm tag nrho cov hniav deciduous thiab ntawm 70 feem pua ntawm cov hniav tas mus li.
Vim li cas enamel tufts tsim?
Lawv tsim tau raug ntaus nqi rau kev nyuaj siab thiab suav tias yog daim ntawv tsis raug. Txawm li cas los xij, kev ntxhov siab ntawm cov enamel tsis xav tau los tsim lawv txij li thaum lawv tshwm sim hauv cov molars thib peb uas tsis cuam tshuam los ntawm kev quab yuam.
