Koj puas tau luag nyav rau ntawm daim iav thiab saib koj cov hniav zoo? Qhov tseeb, cov hniav tsis yog tsuas yog pab ua rau peb luag nyav zoo nkauj xwb, tab sis kuj pab peb zom cov zaub mov uas peb noj kom zoo. Lub luag haujlwm tseem ceeb ntawm cov hniav yog rhuav cov zaub mov uas peb noj ua tej daim me me, zom nws, thiab ua kom yooj yim dua rau nqos. Yog li, hnub no peb yuav tham txog qhov me me tab sis tseem ceeb heev ntawm peb lub cev no.
Cov hniav yog dab tsi tiag?
Muaj coob tus neeg xav tias cov hniav yog ib hom pob txha. Tiam sis cov hniav tsis yog pob txha tiag. Cov hniav yog cov kabmob tshwj xeeb, ib yam li peb cov tawv nqaij, cov plaub hau, thiab cov qog hws. Raws li cov qauv, lawv txawv ntawm cov pob txha. Cov pob txha tawg tuaj yeem loj hlob rov qab, tab sis cov hniav tawg tsis tuaj yeem loj hlob rov qab.
Peb muaj pes tsawg tus hniav?
Feem ntau ib tug neeg laus muaj 32 tus hniav tas mus li . Txawm li cas los xij, qee tus neeg yug los muaj tsawg tus hniav, uas yog ib qho mob uas peb hu ua '(Hypodontia)'. Tsis tas li ntawd, qee tus neeg kuj muaj ntau tus hniav dua li qhov lawv xav tau, uas yog ib qho mob uas peb hu ua '(Hyperdontia)'.
Thaum peb tseem hluas, uas yog, txij li 4 lub hlis mus txog 6 xyoo, peb muaj cov hniav menyuam . Muaj 20 cov hniav menyuam no. Raws li lub sijhawm dhau mus, cov hniav menyuam no poob tawm thiab hloov los ntawm cov hniav tas mus li.
Plaub hom hniav tseem ceeb ntawm peb
Tsis yog txhua tus hniav hauv peb lub qhov ncauj zoo ib yam. Txhua hom muaj nws txoj haujlwm tshwj xeeb. Lawv ua haujlwm ua ke zoo li ib pab neeg los ua cov khoom noj uas peb noj kom raug. Cia peb saib seb cov hniav no yog dab tsi.
| Hom hniav | Qhov chaw thiab tus lej | Lub luag haujlwm tseem ceeb |
|---|---|---|
| Cov hniav txiav | Cov hniav pem hauv ntej. Plaub rau sab saud, plaub rau hauv qab, tag nrho 8. | Txiav zaub mov ua tej daim me me. (piv txwv li, zoo li zom txiv apple) |
| Cov dev | Cov hniav incisors muaj cov hniav ntse ntse rau ob sab. Ob tug rau sab saud thiab ob tug rau hauv qab, tag nrho plaub tug. | Rhuav zaub mov (piv txwv li noj ib daim nqaij, ib daim txiv tsawb, thiab lwm yam) |
| Cov hniav premolars | Cov hniav radanaka nyob nruab nrab ntawm cov hniav charvaka. Muaj plaub cov hniav sab saud thiab plaub cov hniav sab hauv qab, ua rau tag nrho muaj 8. | Rhuav, tsoo, thiab sib tsoo cov khoom noj. |
| Cov hniav puas | Cov hniav loj nyob tom qab kawg ntawm lub qhov ncauj. Muaj rau rau sab saud, rau rau sab hauv qab, tag nrho muaj 12. (Qhov no suav nrog 4 lub hniav txawj ntse). | Sib tsoo thiab tsoo zaub mov kom huv si. Cov hniav no tom 90% ntawm cov zaub mov uas peb noj. |
Xav txog seb, thaum peb noj mov, cov hniav no ua haujlwm ua ke. Cov hniav pem hauv ntej ua rau cov khoom noj tawg, tom qab ntawd cov hniav sab hauv rhuav nws me ntsis, thiab thaum kawg cov hniav sab hauv zom nws kom huv si kom npaj nws nqos.
Cov hniav ua li cas?
Thaum peb saib ib tug hniav, peb tsuas pom ib feem xwb. Tiam sis ib tug hniav muaj ob feem tseem ceeb.
1. Lub kaus mom hniav: Qhov no yog ib feem ntawm cov hniav uas peb pom tau saum cov pos hniav. Nws yog ib daim ntaub uas muaj zog heev.
2. Cov hauv paus hniav: Peb tsis pom qhov no. Cov hauv paus no txuas ntawm cov pos hniav thiab txuas cov hniav rau ntawm lub puab tsaig.
Yog koj mus rau hauv ib lub hniav, nws muaj plaub txheej tseem ceeb.
- Cov hniav cuav: Qhov no yog daim npog dawb tiv thaiv sab nraud uas nyob ib puag ncig lub kaus hniav. Cov hniav cuav yog cov khoom muaj zog tshaj plaws hauv peb lub cev. Nws tiv thaiv cov hniav ntawm cov kab mob.
- Dentin: Txheej hauv qab cov enamel. Nws tsis muaj zog npaum li cov enamel. Yog tias cov enamel lwj thiab cov dentin raug nthuav tawm, cov hniav yuav yooj yim lwj. Qhov no kuj yog ib qho ua rau cov hniav poob.
- Cementum: Qhov no npog cov hauv paus hniav. Nws yog qhov uas pab tuav cov hniav kom ruaj khov hauv lub puab tsaig.
- Cov Hniav Qhuav: Qhov no yog ib feem ntawm cov hniav uas nyob hauv cov hniav. Nws muaj cov hlab ntsha, cov hlab ntsha , thiab cov nqaij sib txuas. Peb hnov mob hniav thaum muaj ib yam dab tsi zoo li kab mob nkag mus rau hauv qhov no.
Cov teeb meem hniav uas feem ntau tshwm sim yog dab tsi?
Peb cov hniav tuaj yeem muaj ntau yam kab mob thiab teeb meem. Nov yog qee qhov ntawm lawv.
- Cov hniav lwj: Qhov no yog qhov teeb meem feem ntau. Cov suab thaj hauv cov khoom noj uas peb noj sib xyaw nrog cov kab mob ua rau muaj cov kua qaub. Cov kua qaub no yaj cov hniav enamel thiab ua rau muaj qhov. Peb hais tias "kab noj hniav."
- Kev sib tsoo hniav (Bruxism): Ib txhia neeg sib tsoo lawv cov hniav thaum lawv pw tsaug zog. Qhov no tuaj yeem ua rau cov hniav puas, tawg, thiab mob lub puab tsaig.
- Cov hniav rhiab heev: Mob hniav heev thaum noj lossis haus ib yam dab tsi kub lossis txias. Qhov no tuaj yeem yog vim cov enamel lwj lossis cov hauv paus hniav raug.
- Kev raug mob rau lub qhov ncauj: Cov hniav tuaj yeem tawg, tawg, lossis raug tsoo tag nrho vim yog qee yam xws li kev poob lossis kev raug mob kis las.
- Cov hniav hloov xim: Cov hniav tuaj yeem hloov daj thaum koj haus tej yam xws li tshuaj yej thiab kas fes tsis tu ncua, lossis thaum koj noj qee yam tshuaj.
- Cov hniav raug mob: Qee cov hniav, tshwj xeeb tshaj yog cov hniav txawj ntse, tuaj yeem raug mob rau hauv cov pos hniav lossis pob txha puab tsaig, ua rau mob thiab kis kab mob.
- Kev tsis sib haum ntawm cov hniav orthodontic: Cov mob xws li cov hniav nkhaus, qhov sib txawv ntawm cov hniav, thiab cov hniav sib sau ua ke.
- Hniav tawg: Thaum cov kab mob nkag mus rau hauv cov hniav, cov kua qaub tuaj yeem sib sau ua ke ntawm cov hauv paus hniav thiab ua rau muaj kua qaub. Qhov no yog ib qho mob heev.
- Kab mob ntawm cov pos hniav: Txawm hais tias nws pib hauv cov pos hniav los xij, yog tias tsis kho kom zoo, nws tuaj yeem ua rau cov hniav xoob thiab poob tawm.
Ceev faj yog tias koj muaj cov tsos mob no.
Saib seb koj puas muaj cov tsos mob no. Yog tias muaj, mus ntsib kws kho hniav sai li sai tau.
- Mob hniav
- Mob thaum noj cov khoom noj txias, kub, lossis qab zib
- Mob thaum zom zaub mov
- Cov pos hniav o los yog los ntshav
- Kev o ntawm lub puab tsaig
Yuav ua li cas thiaj li tswj tau cov hniav kom noj qab nyob zoo?
Kev tswj cov hniav thiab cov pos hniav kom noj qab nyob zoo tsis yog ib qho nyuaj. Tsuas yog siv cov cwj pwm yooj yim no rau hauv koj lub neej.
- Txhuam koj cov hniav ob zaug hauv ib hnub, tsawg kawg yog ob feeb: Txhuam koj cov hniav thaum sawv ntxov thiab ua ntej yuav mus pw thaum hmo ntuj yog qhov tseem ceeb. Siv cov tshuaj txhuam hniav uas muaj fluoride thiab txhuam hniav mos mos.
- Siv xov txhuam hniav txhua hnub: Nws yog ib qho tseem ceeb heev uas yuav tsum siv xov txhuam hniav kom tshem tawm cov khoom noj uas daig ntawm koj cov hniav uas koj txhuam hniav tsis tuaj yeem ncav cuag.
- Kev noj zaub mov kom raug: Txo cov khoom qab zib, cov khoom nplaum thiab cov dej haus kom ntau li ntau tau. Tsis txhob noj khoom txom ncauj ntau zaus ntawm cov pluas noj.
- Mus ntsib kws kho hniav: Txawm tias koj tsis muaj teeb meem dab tsi los xij, mus ntsib kws kho hniav tsawg kawg ib xyoos ib zaug los xyuas koj cov hniav. Ua li no, koj tuaj yeem txheeb xyuas thiab kho txhua yam teeb meem ua ntej lawv loj hlob tuaj.
- Tsis txhob haus luam yeeb:Kev haus luam yeeb ua rau muaj feem mob ntawm cov pos hniav, cov hniav tsis muaj xim, thiab mob qog nqaij hlav hauv qhov ncauj.
Nco ntsoov, tsis txhob tsis quav ntsej qhov mob hniav me me. Zoo dua mus ntsib koj tus kws kho mob kom tau lus qhia ua ntej qhov teeb meem me me dhau los ua qhov loj.
Cov Lus Qhia Txog Kev Coj Mus Tsev
- Cov hniav tsis yog tsuas yog pob txha hauv peb lub cev xwb. Lawv yog ib feem tseem ceeb heev ntawm peb lub cev zom zaub mov.
- Muaj plaub hom hniav hauv peb lub qhov ncauj, txhua tus muaj nws txoj haujlwm tshwj xeeb sib txawv.
- Kev txhuam hniav kom zoo txhua hnub, kev ntxuav cov hniav nruab nrab, thiab kev noj zaub mov zoo yog qhov tseem ceeb rau cov hniav noj qab haus huv.
- Yog koj mob hniav, cov pos hniav los ntshav, lossis lwm yam mob txawv txawv, tsis txhob tsis quav ntsej thiab nrhiav kev qhia ntawm kws kho hniav tam sim ntawd.
- Txawm tias tsis muaj tsos mob los xij, mus kuaj hniav tsawg kawg ib xyoos ib zaug tuaj yeem tiv thaiv tau ntau yam teeb meem yav tom ntej.
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Tsis muaj lus teb tau muab tso tawm. Ntxiv koj cov lus tawm ntawm no thawj zaug.
Ntxiv koj cov lus