Tsis zoo li cov tshuaj tiv thaiv dentin, uas yog tsim los ntawm cov odontoblasts uas twb muaj lawm, cov dentin reparative yog tsim los ntawm odontoblast-zoo li cov hlwb xav tias txawv ntawm DPSCs thaum lub pulp raug nthuav tawm thiab cov txheej txheem odontoblastic uas twb muaj lawm raug ua txhaum cai.
Thaum twg yog tertiary dentin tsim?
Muaj peb hom dentin uas suav nrog thawj zaug, theem nrab thiab theem nrab. Secondary dentin yog ib txheej ntawm dentin uas yog tsim tom qab cov hniav hauv paus yog kiag li tsim. Tertiary dentin yog tsim teb rau qhov kev txhawb nqa, xws li muaj cov hniav lwj lossis hnav
Yuav ua li cas thiaj tsim cov dentin thib ob?
Secondary dentin (adventitious dentin) yog tsim tom qab lub hauv paus tsim tiav, ib txwm tom qab cov hniav tau tawgthiab ua haujlwm. Nws loj hlob qeeb dua li thawj dentin tab sis tswj nws qhov kev loj hlob ntxiv.
Lub hlwb twg tsim kho dentin?
3.2 Kho Hniav
Nyob rau hauv maj mam nce caries pom tau tias yog kev raug mob nruab nrab, qhov kev ua ntawm odontoblasts yog stimulated, uas ua rau zus tau tej cov tshuaj dentin. Thaum tsim cov dentin matrix reparative, ib txheej ntawm odontoblast zoo li cov hlwb npog qhov chaw raug mob, thiab kev tsiv teb tsaws ntawm cov nqaij mos ntawm cov nqaij mos.
Dab tsi ua rau tertiary reparative dentin?
Cov qauv ntawm kev kho tertiary dentin nyob rau hauv tib neeg cov hniav deciduous tau kawm. Reparative dentin yog secreted los ntawm ib tiam tshiab ntawm odontoblast-zoo li cov hlwbuas tau raug rau cov stimuli muaj zog, piv txwv li, raug mob los yog sib sib zog nqus caries lesions nrog cov ntaub so ntswg mob.
