Cov txheej txheem:
- Muaj Ntau Tus Hniav Yuav Tsum Muaj Aub?
- Menyuam dev
- Cov Hom Hniav Cov Hniav
- Neeg laus Canine
- Vim li cas cov dev tsis mloog lus?
- Xyuam xim koj cov hniav
Video: Muaj Pes Tsawg Tus Cov Hniav Muaj Tsiaj Muaj, Thiab Lawv Puas Txaus Nyiam?
2024 Tus sau: Daisy Haig | [email protected]. Kawg hloov kho: 2023-12-17 03:09
Cov dev puas muaj tib tug hniav tib yam li peb? Puas yog lawv plam "menyuam dev" zoo li peb poob peb cov menyuam cov hniav?
Ntawm no yog qhov kev rhuav tshem ntawm cov hniav uas muaj dev ntau npaum li cov menyuam dev thiab cov neeg laus, thiab saib nws puas yog lawv ib txwm poob lawv cov hniav.
Muaj Ntau Tus Hniav Yuav Tsum Muaj Aub?
Tus lej ntawm cov hniav hauv tus dev lub qhov ncauj yuav hloov thaum lawv loj hlob los ntawm menyuam dev mus rau cov neeg laus dev.
Tus Nab Npawb Hniav
Menyuam dev yug tau los tiag tiag tsis muaj hniav, thiab nws tsis yog txog thaum lawv muaj 3 txog 4 asthiv uas lawv cov menyuam dev cov hniav (hu ua hniav hniav) pib tawg.
Thaum muaj hnub nyoog 3-5 hlis, feem ntau lawv yuav muaj tag nrho 28 ntawm lawv cov menyuam dev. Cov no suav nrog incisors, canines thiab premolars.
Menyuam dev |
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Hom Hniav |
#Qhov Muag Hniav |
#Qhov Muag Hniav |
Lub hnub nyoog ntawm Kev tawg(lub lis piam) |
Muaj nuj nqi |
Incisors |
4-6 | Puag | ||
Canines | 3-5 | Ua kua muag | ||
Premolars | 5-6 | Sib tsoo |
Txawm li cas los xij, qee tus dev (tshwj xeeb cov khoom ua si thiab dev yug me me) zoo li siv sijhawm ntev los tsim menyuam dev thiab cov laus cov hniav.
Thaum menyuam dev cov kaus hniav tsis poob nws tus kheej thiab nyob hauv koj tus menyuam lub qhov ncauj, lawv raug hu ua cov hniav khaws cia.
Qhov no yog qhov teeb meem uas tuaj yeem ua rau muaj kev sib txuam ntau, uas tuaj yeem ua rau qhov chaw tsis meej ntawm cov neeg laus cov hniav thiab ua rau muaj kev pheej hmoo rau cov teeb meem ncig.
Cov hniav khaws tseg feem ntau pom tias yog teeb meem hauv caj ces. Nws tuaj yeem tshwm sim hauv ib tus dev tab sis muaj ntau dua rau hauv cov tsiaj me me. Tus kws kho tsiaj yuav tau tshem cov hniav no mus rau chav kom tus hniav loj.
Tus naj npawb ntawm cov neeg laus cov hniav
Lub hnub nyoog ntawm kev tawg ntawm cov hniav tas mus li hauv cov dev yog nruab nrab ntawm 3-7 lub hlis uas muaj hnub nyoog. Cov dev neeg laus muaj 42 cov hniav nyob hauv lawv qhov ncauj, piv rau tib neeg ib txwm 32 hniav.
Lawv lub puab tsaig sab saud, hu ua maxilla, muaj 20 hniav, thaum lawv lub puab tsaig qis dua, hu ua lub luag haujlwm, muaj 22 leeg.
Cov Hom Hniav Cov Hniav
Txhua hom dev tus hniav-incisor, canine, premolar thiab hniav puas-pabcuam nws tus kheej txoj haujlwm. Ntawm no yog qhov tawg ntawm txhua yam ntawm tus hniav ua thiab qhov twg cov hniav nyob:
Neeg laus Canine |
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Hom Hniav |
#Qhov Muag Hniav |
#Qhov Muag Hniav |
Lub hnub nyoog ntawm Kev tawg(hli) |
Muaj nuj nqi |
Incisors |
2-5 | Puag | ||
Canines | 5-6 | Ua kua muag | ||
Premolars | 4-6 | Sib tsoo | ||
Molars | 4-7 | Sib tsoo |
Incisors
Cov hniav nyob ntawm cov dev qhov ncauj ua ntej hu ua incisors. Sab saum toj thiab hauv qab ntawm lub puab tsaig muaj 6 incisors.
Cov dev siv lawv lub incisors feem ntau los txeeb cov khoom xws li zaub mov noj, tab sis lawv kuj siv rau kev zom lossis tu zoo li.
Hauv ob tus dev thiab miv, cov hniav no tseem me me thiab muaj ib lub hauv paus rau ib tus hniav.
Canines
Cov hniav canine yog cov hniav ntev tshaj plaws nyob rau hauv pem hauv ntej ntawm lub qhov ncauj uas zoo li “ntxhw.”
Cov dev muaj 4 lub canines hauv lawv lub qhov ncauj (2 ntawm lub puab tsaig sab saud thiab 2 ntawm lub puab tsaig sab hauv). Cov hniav no tau zoo tsim thiab me ntsis nkhaus mus rau cov khoom kom zoo dua.
Canine hniav tsuas yog muaj ib lub hauv paus hauv ib tus hniav.
Premolars
Tom qab canines yog cov premolars. Cov laus cov dev muaj 16 premolars-8 ntawm lub puab tsaig sab saum toj thiab 8 ntawm lub puab tsaig hauv qab.
Cov hniav no yog siv rau kev txiav txim siab los ntawm thiab zom cov zaub mov.
Txoj kev kho hniav premolar tuaj yeem muaj ntawm 1 txog 2 lub cag rau ib tus hniav uas thauj lawv nyob rau hauv lub qhov ncauj.
Molars
Molars yog cov hniav tom qab tus dev lub qhov ncauj. Lawv tuaj yeem saib zoo li premolars.
Muaj 4 hniav puas rau lub puab tsaig sab saum toj thiab 6 ntawm lub puab tsaig sab hauv. Molars yog siv rau kev sib tsoo cov khoom noj rau hauv cov ntawv me me kom nws yooj yim kom nqos thiab zom.
Lawv tuaj yeem muaj nyob txhua qhov chaw los ntawm 3 lub hauv paus txog 1 lub hauv paus cag rau hauv tus dev lub qhov ncauj.
Vim li cas cov dev tsis mloog lus?
Dua li ntawm qhov hloov ntawm cov menyuam dev mus rau tus hniav laus, nws tsis yog ib qho uas tus aub yuav plam hniav. Yog tias koj pom tias koj tus dev poob lawv cov hniav laus, koj yuav tsum hu rau tus kws kho tsiaj thiab teem caij mus ntsib.
Nov yog qhov laj thawj feem ntau ua rau tus dev plam lawv cov laus cov hniav.
Sijhawm Tus Kab Mob
Qhov teeb meem feem ntau uas tus dev tau plam hniav vim yog cov kab mob hniav hauv lawv lub qhov ncauj. Yog tias tsis muaj kev tu hniav zoo-xws li kev txhuam hniav thiab kev kho tsiaj kom huv-ncig xyuas cov kab mob tuaj yeem ua rau cov pos hniav muaj kab mob thiab ua kom hniav lwj.
Cov txheej txheem ib txwm muaj uas koj tus dev lub cev nkag mus los tsis lees tus hniav lwj yog qhov tsis xis thiab mob, thiab ntawm cov mob hnyav, nws tuaj yeem ua rau kis tau tus mob.
Kab mob hniav txuas ntxiv nrog cuam tshuam cuam tshuam rau cov kabmob xws li lub plawv, nplooj siab thiab lub raum. Cov kab mob hauv cov dev lub qhov ncauj tuaj yeem ua rau kis lwm qhov ntawm lub cev yog tias lawv hnyav heev.
Kev poob plig
Koj cov dev cov hniav tuaj yeem ploj los ntawm cov txheej txheem ntawm kev raug mob - txawm tias nws yog los ntawm kev zom qee yam lossis lawv txhawb lwm qhov kev raug mob rau lawv lub qhov ncauj.
Qee cov khoom siv feem ntau uas tuaj yeem ua rau pob txha lov lossis ploj ntawm cov hniav yog tsim los ntawm cov pob zeb tuab lossis cov khoom siv pob txha.
Txhawm rau tiv thaiv koj cov dev cov hniav, nws yog qhov zoo tshaj plaws kom tsis txhob muab koj cov dev xws li nqaij pob txha nqaij los yog pob txha nqaij npuas, vim tias cov khoom siv no yuav nyuaj dhau thiab ua rau pob txha lov thiab puas.
Hniav Lwj
Cov dev cov hniav yog qhov nws tau lwj thiab hnav thiab ntuag ntawm nrawm dua li peb tus kheej, uas yog vim qee qhov vim tias lawv siv lawv lub qhov ncauj ntau dua li noj thiab haus.
Lawv siv lawv cov hniav los khaws khoom, nqa khoom thiab zom khoom. Ntxiv rau, ntau yam dhau los ntawm dev lub qhov ncauj, zoo li cov khoom ua si swb, plaub hau, av, quav thiab zaub mov. Txhua yam no tuaj yeem tsim kev puas tsuaj rau kev noj qab haus huv ntawm lawv cov hniav.
Qee tus dev (tshwj xeeb tshaj yog cov dev yug me me thiab Greyhounds) muaj qhov ua rau hniav lwj ntawm tus nqi nrawm dua, xav tau ntau tus hniav txhaws los ntawm ib tus vet hauv lawv lub neej.
Txhawm rau kho cov hniav lwj, koj tus kws kho tsiaj yuav pom zoo kom muaj kev tu kom huv si raws li kev siv tshuaj loog nrog kev rho tawm lossis tshem tawm cov hniav mob. Nov yog ib qhov txheej txheem niaj hnub ua rau tsev kho mob tsiaj.
Aub lub qhov ncauj zoo dua nrog kev tshem tawm cov hniav uas muaj mob ntau dua li tso nws los ua kev mob thiab kis hauv lawv lub qhov ncauj. Kuj ceeb tias, cov dev tuaj yeem noj tau zoo tag nrho yam tsis muaj hniav yog tias xav tau.
Xyuam xim koj cov hniav
Ua kom koj tus tsiaj lub qhov ncauj noj qab haus huv yog qhov tseem ceeb rau lawv kev noj qab haus huv thiab lub neej zoo.
Yog tias koj pom tias koj tus dev poob hniav, muaj cov hniav xoob lossis wiggly, lossis muaj qhov ua tsis taus pa zuj zus, thov teeb tsa kev sib tham nrog tus kws kho tsiaj sai li sai tau.
Txawm hais tias nws zoo li lawv nyuam qhuav ploj ib tus hniav, nws yuav ua rau koj tus tsiaj muaj cov hniav ntau dua hauv lawv lub qhov ncauj ua rau muaj qhov tsis xis nyob uas yuav muaj txiaj ntsig los ntawm kev tshem tawm.
Tsis txhob tos kom txog thaum koj tus tsiaj tsis noj kom tau txais kev kho hniav sab laj nrog tus kws kho tsiaj. Siv koj tus tsiaj txoj kev kuaj ib xyoos yog ib lub sijhawm zoo los tham txog koj tus dev cov hniav thiab kev noj qab haus huv tag nrho ua ntej muaj teebmeem.
Pom zoo:
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Vim Li Cas Poj Niam Nyiam Txiv Neej Nyiam Tus Txiv Neej Nyiam
Pom nws lub ntsej muag, muaj tus tsiaj ua rau txiv neej nyiam ntau dua thaum hluas nkauj lub qhov muag. Qhov tseeb, cov poj niam pom nws kub thaum tus txiv neej macho muaj ib tus miv, thiab ntawm no yog plaub qhov laj thawj yog vim li cas (vim rau saum 5 npe yog li passé)