Koj nco ntsoov tias cov hniav yuav tsum tau ntxuav thaum sawv ntxov thiab yav tsaus ntuj, siv cov hlua dig hniav, thiab tsis hnov qab txog kev yaug thiab zom cov pos hniav thaum tus txhuam hniav tsis muaj?
Huag, peb paub tseeb tias, tom qab koj saib cov duab no, koj yuav nkag siab tias ua ntej koj tsis paub dab tsi txog qhov ncauj kev tu cev, thiab tej zaum twb muaj nyob rau ntawm tus ncej thib peb, khiav rov mus txhuam koj cov hniav!
Lub Tsev Qiv Ntawv Phau Ntawv Qhia Txog Kev Tshawb Fawb Science tau qhia txog 22 lub suab ntawm cov kabmob qhov ncauj, ua nrog lub tshuab kuaj kab, thiab tom qab ntawd pleev xim los ntawm kev xuas tes los yog digitally, kom nws yooj yim dua qhov txawv ntawm cov ntsiab lus ntawm tus kheej. Thiab ntseeg kuv, cov no yog cov tsis txawv ua hauj lwm los sis cov cog tshiab. Txhua yam uas koj pom nyob rau hauv cov duab yog ib qho kev ceeb toom ntawm dab tsi tshwm sim thaum koj nco txog txawm tias ib tug txhuam txhuam hniav ...
1. Ua tsis tseem ceeb, nws tsuas yog ib qho ntawm cov kab tsuag tsiaj uas koj nyiam nyob rau ntawm koj cov hniav thiab cov pos hniav ...
2. Thiab qhov no - txoj hnyuv loj ntawm cov kab mob, sim muab mus rau ntawm cov hniav. Zoo, los sis, yooj yim dua, cov quav hniav. Nyob rau hauv daim duab nws yog ntev 400 lub sij hawm!
3. Thiab ntawm no yog li cas hniav quav hniav yuav tau xav txog ntau yam, yog tias koj nce lub shooting los ntawm 10.000 zaug! Puas yog tus txhuam hniav nyob deb ntawm koj?
4. Koj puas tau paub txog cov mis nyuj?
Feem ntau ntawm nws yog tsim ntawm dentin, nyob rau hauv uas cov hlab ntsha thiab cov leeg nyob hauv. Lub tais ntawm tus hniav yog them nrog tus txiv tsuaj (nyob rau hauv daim duab nws yog dawb) - ib qho khoom muaj zog mineralized uas tswj kev tiv thaiv tus hniav ntawv hauv lub qhov ncauj los ntawm kev chim rau acids. Zoo, lub hauv paus ntawm tus hniav (liab) yog them nrog ib yam khoom hu ua cement.
5. Yog hais tias txheej txheej los yog cov cement ntawm cov hniav tawg, lub dentin (liab xim) tseem tsis tau muaj kev tiv thaiv.
Saib - cov no yog cov ntxeem ntxig thiab muab rau koj ntau yam tsis kaj siab nyob rau hauv daim ntawv ntawm rhiab heev rau kub los yog txias.
6. Incredibly, tab sis dab tsi tshwm sim hauv peb lub plab, tam sim ntawd qhia txog lub xeev ntawm cov hniav. Thiab cov duab no yog qhov zoo tshaj pov thawj.
Cov kua qaub, uas tso tawm tom qab plab zom mov, tsim cov kab mob ntawm cov hniav (xim daj). Peb paub tseeb tias koj, sai sai no cov hniav yuav tau txais kev kho mob rau lub suab!
7. Tab sis ua li cas yog tias koj tsis nco qab txog kev siv hlua dig hniav! Hauv daim duab: lub cutter nrog lub "duple" vim cov kab mob ntawm cov quav hniav.
8. Thiab daim duab no yuav dua ib zaug ntxiv rau koj tias koj yuav tsum siv cov hniav hniav txhua hnub! Qhov no yog li cas kab mob loj heev ntawm cov quav hniav ntawm cov hniav thiab ntawm cov hniav, zoo, los yog - txoj kev ncaj qha rau cov kab mob gingivitis thiab qhov chaw mob ntawm cov pos hniav.
9. Wow - qhov no yog qhov kis ntawm tus hniav (xim daj), nrog rau cov ntaub pua plag ntawm cov kab mob spherical (xiav) thiab cov hlab ntsha (liab xim). Tej zaum peb yuav tuaj ntawm ob peb feeb thiab txhuam peb cov hniav ib zaug ntxiv?
10. Thiab cov no yog cov hlua khawm rau ntawm tus txhuam hniav. Zoo, ib qho kev ceeb toom zoo kawg tias nws yuav tsum tau hloov txhua peb lub hlis?
11. Dab tsi ua txaus ntshai - bristles ntawm tus txhuam hniav nrog "peb" quav hniav!
Tam sim no koj to taub tias vim li cas tus txhuam hniav yuav tsum tau muab ntxuav kom huv, muab qhib, thiab txawm nyob rau hauv txoj hauj lwm upright, kom tag nrho cov dej noo evaporates thiab microorganisms tsis tsim?