Yog vim li cas cov hniav crumble?

Muaj coob tus neeg, tshwj xeeb tshaj yog nyob rau hauv lub Nordic lub teb chaws, yuav ntsib nrog ib tug vexing teeb meem: crumbling hniav. Tus txheej txheem yog qeeb, tab sis yeej muaj tseeb: lub tsos ntawm micro-tej kab nrib pleb rau ntawm qhov chaw, lub qeeb puas tsuaj ntawm txha hniav laus ... Yog hais tias koj tseem mus ntxiv no sib tham, peb tau txais lub fragility ntawm cov hniav thiab cov uas cov hniav yog cia tawg raws li ib tug tshwm sim ntawm heightened fragility. Tus txheej txheem yog deb ntawm qab ntxiag. Nyob rau hauv tas li ntawd, lwj hniav - ib tug phem zaub mov ua lawv, tau txais cov kab mob uas ua rau kev kho hniav kab mob nyob rau hauv ib tug kab tsiaj txhuv uas yuav ua rau tus kab mob, tsis hais qhov tseeb hais tias koj luag yog deb ntawm yog ib tug txaus nyiam spectacle. Yog hais tias koj nrhiav tau koj tus kheej ntawm cov thawj cov cim qhia ntawm lub fragility ntawm cov hniav, koj yuav tsum ua li cas? Thiab yog hais tias koj crumble tus hniav, dab tsi yuav yog vim li cas? Yuav ua li cas tshem tawm lawv? Thiab seb koj puas yuav rov qab mus rau lawv cov qub ci hniav yog tias koj twb ntsib qhov teeb meem no?

Peb pib nrog qhov nyuaj ntawm yog vim li cas vim li cas cov hniav crumble. Piv txwv li, ib tug tsis muaj kev pab kho mob rau nws qhov ncauj kab noj hniav. Yog hais tias cov hniav yog tsis ntxuav tsis tu ncua, mus rau lawv thiab, txawm zuj zus, nruab nrab ntawm lawv muaj ib tug zaj duab xis ntawm cov quav hniav ntawm tus noj cov zaub mov, haus kas fes los sis tshuaj yej. Kev haus luam yeeb tseem yog tsis deb ntawm nyhuv lig rau cov mob ntawm koj cov hniav - los ntawm nqus tau cov pa haus luam yeeb hauv cov quav hniav zoo nkaus li, uas yog heev yooj yim mus tshem tawm tom qab. Yog hais tias lub sij hawm tsis tau pom tau hais tias, cov zaj duab xis ces qhov no cov quav hniav hardens, tej zaum nws tsis txawm hle koj dawb cov tshuaj txhuam hniav, thiab yog li cov hniav yuav them rau thiaj li hu ua "tartar". Pulpitis tej zaum yuav tsim sai heev los ntawm lub "dawb huv" caries. Yog hais tias, vim pulpitis tuag hniav paj, ces nws thiaj li yuav vau hniav lwj. Yog li ntawd, cov tau yog vim li cas - ib tug tsis muaj kev kho hniav tu cev, raws li zoo raws li lub reluctance ntawm lub sij hawm mus rau tus kws kho hniav. Muaj ntau tsis tau saib xyuas nyob rau hauv lawv tus kheej noj qab haus huv yog xav hais tias "txhua yam yuav raug heev" sim siv ib co painkillers, feem ntau - los ntawm tsoos tshuaj, thiab hais tias yog ib tug tshwm sim - pulpitis, necrosis ntawm ntaub so ntswg, tawg hniav.

Tab sis - cia li ib tug ntawm cov yog vim li cas, tsis yog tus thawj. Nws kuj tshwm sim - tsis muaj caries, thiab muaj yog tsis muaj kab, tab sis tseem hniav crumble. Ua li cas nws txawm muaj nyob?

Tej zaum nws tshwm sim uas koj, piv txwv li, noj ice cream tom qab ib tug kub noj mov? Yog hais tias koj haus cov zaub mov txias ncaj nraim los yog los ntawm ib tug luv luv sij hawm zaj nyob rau hauv ib tug ob peb feeb tom qab ib tug heev kub (los yog kub tom qab txias), cov txha hniav laus yuav tsis tso xws li ib tug load. Thaum txias txha hniav laus roj thaum lub tshav kub - expands. Nws yuav siv ib co sij hawm los xyuas kom meej tias tom qab nws expansion (contraction) txha hniav laus tuaj rau nws ib txwm hauv lub xeev. Nyob rau hauv lub saum toj no tus neeg mob, tus txha hniav laus txhab tam sim ntawd tom qab kev txwv (los yog vice versa), uas yog feem ntau nrog los ntawm tsis kaj siab ncus originating los ntawm cov hniav, uas yog muaj kev txhawj xeeb, thiab kub thiab cov zaub mov txias. Raws li ib tug tshwm sim, tus neeg mob tau txais cov tawg nyob rau hauv lub enamel. Muaj ntau tej kab nrib pleb - lub fragility ntawm cov hniav raws li ib tug tshwm sim, thiab lub fragility ntawm cov hniav - lawv tus kheej puas tsuaj - tsuas crumble tus hniav. Tab sis txawm lub kub sib txawv, thiab subcooling ntawm cov hniav, los yog vice versa, noj mov kub dhau heev lawm sau - kuj ua rau cov tsim ntawm "kub" tej kab nrib pleb. Yog li ntawd, ob leeg kub heev thiab cov zaub mov txias yuav tsum tsis txhob yuav siv nyob rau hauv thiaj li yuav khaws cia tsis tau tsuas yog cov tubtxib saum ntuj dawb luag, tab sis kuj nws noj qab haus huv.

Lwm yog vim li cas tej zaum yuav tsum xws li tias cov hniav crumble neeg pluag digestibility ntawm calcium. Nyob rau hauv lem, yog ib lub yog vim li cas rau cov neeg pluag haum ntawm calcium - yog cov tsis muaj vitamin D. Nws yog muab sau hais tias muaj ntau cov neeg uas nyob ntawm lub sab qaum teb cheeb tsam thiab lub teb chaws crumble hniav, thiab tsis yeej ib txwm vim ignorance ntawm kev tu cev los yog tsis muaj kev kho mob ntawm qhov kev tsim nyog qib. Yog vim li cas tej zaum yuav txawv - vim hais tias nyob rau hauv cov cheeb tsam kaj tshav ntuj yog tsis ntau, thiab nws yog ib qhov mob yog qhov tseem ceeb, nyob rau hauv thiaj li yuav stably thiab vitamin D nyob rau hauv txoj cai ib txwm ua los ntawm lub cev. Lwm tau yog vim li cas - cov deterioration ntawm mineral metabolism.

Nws yog ib qho tseem ceeb kom muaj ib tug tiag tiag cov khoom noj tshiab, tej yam ntuj tso. Yog hais tias txiv hmab txiv ntoo los yog zaub ib lub lim tiam nyob rau hauv lub tub yees los yog khov, ces qhov no yog tsis yog qhov tshiab, tej yam ntuj tso khoom uas hais tias tau txais txiaj ntsim. Kev noj mas carbohydrate zaub mov tsis txhob ua rau kom kho hniav noj qab haus huv. hniav feem ntau crumble los ntawm ib tug disadvantage ntawm xws tseem ceeb Cheebtsam ntawm noj haus dej raws li Fluoro thiab iodo. Yog hais tias koj pom li no cov tsos mob - hu rau koj tus kws kho hniav tam sim ntawd.