Nyob rau hauv ib lub kab noj hniav npaj rau kev kho cov nplaum nplaum, thaj chaw loj ntawm cov kab noj hniav hauv pem teb yog tsim los ntawm caries-cuam tshuam dentin tom qab tshem tawm cov kab mob caries-infected dentin, tsis yog dentin ib txwm. Caries-ffected dentin yog txawv ntawm morphological, tshuaj thiab lub cev yam ntxwv ntawm ib txwm dentin.
Puas cuam tshuam dentin yuav tsum tau muab tshem tawm?
Raws li cov kev tshawb fawb tau hais hauv qhov kev tshuaj xyuas no, ib tus tuaj yeem hais tias muaj cov pov thawj tseem ceeb uas tau tshem tawm tag nrho cov kab mob dentin hauv qhov mob tob tob tsis tas yuav ua rau kev kho mob zoo-muab qhia tias kev kho dua tshiab tuaj yeem kaw qhov txhab ntawm qhov ncauj ib puag ncig zoo.
Lub dentin twg yuav tsum raug tshem tawm tus kab mob lossis cuam tshuam dentin?
Kab mob thiab cuam tshuam dentin tshem tawm ntawm dentin-enamel junction nrog ib puag ncig bur. Ib cheeb tsam ntawm kev tshem tawm cov nqaij mos uas yuav ua rau muaj kev nyuaj siab kho mob yog ntawm DEJ. Thaum ib qho mob qog noj ntshav thiab lub dentin tau colonized nrog cov kab mob, qhov txhab tuaj yeem kis tau raws DEJ.
Yuav cuam tshuam cov hniav puas tuaj yeem rov ua dua?
Raws li cov tswv yim ua kom rov ua kom zoo dua qub yog nyob ntawm qhov kev loj hlob ntawm epitaxial, qhov txhab mob carious nrog cov ntsiab lus ntawm cov ntxhia hauv qhov chaw siab yuav txawv qhov sib txawv ntawm qhov chaw ntawm qhov txhab. … Yog li, nws tsis yooj yim sua kom ua tiav cov kab mob carious uas siv cov tswv yim ua kom zoo dua qub.
Puas cuam tshuam dentin muaj kab mob?
Ntau mos, moist thiab yooj yim tshem tawm nrog rab diav excavator. Kev cuam tshuam ntawm cov hniav carious lesion: dentin yog ib feem ntawm demineralized (leathery softer dua li qub), collagen tsis denatured thiab muaj tsawg heev kom tsis muaj kab mob.