Hniav Anatomy

Zoo Siab

• Tus qauv thiab ua haujlwm
• Cag
• Caj dab
• Qhwv
• Daim duab kos hniav
• Cov hniav tshwm sim
• Muaj kab noj hniav
• Mob ntsws
• Tus kab mob pheej ncig
• Malocclusion
• Pob Tsuas Xyooj
• Qeb
• Hniav yaig
• Hniav cuam tshuam
• Cov tsos mob ntawm tus hniav mob
• Cov lus qhia rau cov hniav noj qab haus huv

Hom ntawm cov hniav

Cov neeg feem ntau pib pib qhov kev laus nrog 32 cov hniav, tsis suav nrog cov hniav txhab.Muaj plaub yam hniav, thiab txhua tus tau ua lub luag haujlwm tseem ceeb hauv koj txoj kev noj, haus, thiab hais lus.

Tus qauv sib txawv muaj xws li:

• Incisors. Cov no yog cov chisel-puab cov hniav uas pab koj txiav cov zaub mov.
• Canines. Cov hniav zoo li no tso cai rau koj kom koj txhawm rau txhom cov khoom noj.
• Premolars. Ob lub ntsiab lus ntawm txhua tus premolar pab koj tsoo thiab rhuav khoom noj.
• Molars. Ntau lub ntsiab lus nyob rau sab saum toj ntawm cov hniav no pab koj zom thiab zom khoom noj.

Nyeem rau kom paub ntau ntxiv txog lub cev thiab qauv ntawm koj cov hniav thiab cov xwm txheej uas yuav cuam tshuam koj cov hniav. Peb tseem yuav muab qee cov lus qhia txog kev kho hniav.

Tus qauv thiab ua haujlwm

Cag

Lub hauv paus yog ib feem ntawm tus hniav uas txuas mus rau hauv lub pob txha thiab tuav tus hniav nyob rau hauv qhov chaw. Nws muaj txog li ob feem peb ntawm cov hniav.

Nws tau ua los ntawm ntau qhov chaw:

• Cag tus kav dej. Lub hauv paus kwj dej yog txoj kab kev hla uas muaj cov sis plawv hniav.
• Cementum. Kuj tseem hu ua cov xis mas, cov khoom siv uas zoo li pob txha no yog npog cov hniav txhawm. Nws txuas nrog rau ncig ncig ncig.
• Sijhawm ncig ligament. Kev ncig ntawm txoj hlua khi yog ua los ntawm cov ntaub so ntswg sib txuas thiab collagen fiber. Nws muaj ob qho tib si hlab ntsha thiab leeg ntshav. Nrog rau cov cementum, txoj kab ncig ncig txuas rau cov hniav rau tus hniav sib txuas.
• Hlab ntsha thiab leeg ntshav. Cov hlab ntsha muab qhov ncig ntawm cov leeg nrog cov khoom noj, thaum lub paj hlwb pab tswj kev quab yuam siv thaum koj zom.
• Puab tsaig pob txha. Lub puab tsaig pob txha, tseem hu ua lub pob txha alveolar, yog lub pob txha uas muaj cov leeg hniav thiab nyob ib puag ncig cov hniav; nws tuav cov hniav hauv qhov chaw.

Caj dab

Lub caj dab, tseem hu ua lub ncauj tsev menyuam, zaum ntawm tus ntoo thiab cag. Nws tsim txoj kab uas cov cementum (uas npog lub hauv paus) tau raws li tus txha hniav laus.

Nws muaj peb ntu:

• Cov pos hniav. Cov pos hniav, tseem hu ua gingiva, yog qhov ua ntsej muag liab thiab paj yeeb uas txuas nrog rau ntawm caj dab ntawm tus hniav thiab cementum.
• Ntsig. Pulp yog qhov feem ntawm sab hauv ntawm cov hniav. Nws tau ua los ntawm cov hlab ntsha me me thiab cov hlab ntaws.
• Hlwb hniav kab noj hniav. Lub plawv hniav kab mob, qee zaum hu ua lub sis plawv hniav, yog qhov chaw sab hauv qhov cov ntoo uas muaj cov sis plawv hniav.

Qhwv

Cov hniav ntawm hniav yog qhov ntawm cov hniav pom.

Nws muaj peb ntu:

• Anatomical yas. Nov yog seem kawg ntawm ib tus hniav. Feem ntau nws yog ib feem ntawm cov hniav uas koj tuaj yeem pom.
• Txhab txhawm. Qhov no yog txheej sab nraud ntawm hniav. Raws li cov ntaub so ntswg nyuaj hauv koj lub cev, nws yuav pab tiv thaiv cov hniav los ntawm cov kab mob. Nws tseem ua rau lub zog muaj zog kom koj cov hniav tiv taus kev siab los ntawm kev zom.
• Dentin. Dentin yog txheej txheej ntawm cov nqaij ntxhia hauv qab lub hnab hniav. Nws nthuav tawm los ntawm cov yas hla hauv qab caj dab thiab cag. Nws tiv thaiv hniav los ntawm kub thiab txias.

Daim duab kos hniav

Tshawb nrhiav qhov sib cuam tshuam 3-D daim duab hauv qab no kom paub ntxiv txog cov hniav.

Cov hniav tshwm sim

Koj cov hniav ua ntau txoj haujlwm nyob rau txhua hnub, uas ua rau muaj kev cuam tshuam rau ntau yam mob.

Muaj kab noj hniav

Hniav cov hniav yog qhov me me tshwm sim los ntawm kev txhim kho cov kab mob thiab cov kua qaub rau ntawm tus hniav. Yog tias tsis kho, lawv tuaj yeem nkag mus tob rau hauv hniav, thaum kawg ncav mus rau lub sam thiaj. Cov kab noj hniav tuaj yeem ua rau mob, hnov ​​mob rau qhov kub thiab txias, thiab tuaj yeem ua rau mob lossis txhaws hniav.

Mob ntsws

Mob ntsws (Pulpitis) yog hais txog qhov mob ntawm lub caj pas, feem ntau vim yog tsis muaj kab noj hniav. Cov tsos mob tseem ceeb yog cov kev mob hnyav thiab rhiab heev hauv cov hniav. Nws tuaj yeem dhau los ua tus kabmob kis, ua rau muaj tus menyuam rwj hauv lub hauv paus ntawm cov hniav.

Tus kab mob pheej ncig

Tus mob qee zaum qee zaum hu ua mob pos hniav. Nws yog tus mob ntawm cov pos hniav. Cov tsos mob tshwm sim muaj xws li liab, o, los ntshav, los yog pos hniav tsawg. Nws kuj tseem tuaj yeem ua rau ua pa tsw phem, mob, rhiab, thiab cov hniav xoob. Kev haus luam yeeb, qee yam tshuaj noj, thiab lub qhov ncauj tsis zoo ua rau kom koj muaj kab mob pos hniav.

Malocclusion

Malocclusion yog misalignment ntawm cov hniav. Qhov no tuaj yeem ua rau neeg coob tuaj, underbites, lossis overbites. Nws feem ntau muaj keeb, tab sis ntxais ntiv tes xoo, kev siv lub txiv mis lossis lub raj mis ntev, muaj kev cuam tshuam lossis ploj lawm cov hniav, thiab cov khoom siv kho hniav tsis zoo ua tau rau nws. Malocclusion tuaj yeem kho nrog kev zuag hniav.

Pob Tsuas Xyooj

Bruxism hais txog kev sib tsoo lossis zawm koj cov hniav. Cov neeg mob bruxism feem ntau tsis paub tias lawv muaj nws, thiab ntau tus neeg tsuas yog ua thaum pw tsaug zog. Sij hawm dhau mus, bruxism tuaj yeem hnav nrog txha hniav laus, uas ua rau puas thiab ua kom hniav poob. Nws kuj tseem tuaj yeem ua rau mob hniav, lub puab tsaig, thiab pob ntseg. Ua raws li qhov mob hnyav, nws tseem tuaj yeem ua kev puas tsuaj rau koj lub puab tsaig thiab tiv thaiv nws los ntawm kev qhib thiab kaw kom zoo.

Qeb

Hniav hniav yog lub hnab tshos tawm los ntawm tus kab mob. Nws tuaj yeem ua rau mob hniav uas cuam tshuam rau koj lub puab tsaig, pob ntseg, lossis caj dab. Lwm yam tsos mob ntawm lub rwj suav nrog kaus hniav rhiab, ua npaws, o lossis cov qog ntshav, thiab o rau koj sab plhu lossis ntsej muag. Mus ntsib kws kho hniav lossis kws kho mob sai li sai tau yog koj xav tias koj muaj hniav ntaws. Yog tias tsis kho, kab mob tuaj yeem kis rau koj cov ntshav lossis lub hlwb.

Hniav yaig

Kev txhuam hniav yog qhov cuam tshuam thiab ploj ntawm tus txha hniav laus tshwm sim los ntawm cov kua qaub lossis kev sib txhuam. Acidic zaub mov thiab dej qab zib, tuaj yeem ua rau nws. Plab cov kua qaub los ntawm lub plab zom mov, xws li cov kua qaub rau cov kua qaub, tuaj yeem ua rau nws. Tsis tas li ntawd, lub qhov ncauj qhuav ntev ntev kuj tseem tuaj yeem ua kom muaj kev txhuam, ua rau kom cov hniav yaig. Cov cim tshwm sim ntawm cov hniav yaig nrog rau qhov mob, rhiab, thiab tshem tawm.

Hniav cuam tshuam

Kev txhuam hniav tshwm sim thaum tsis muaj chaw txaus rau ib tus hniav tshiab tshwm, feem ntau yog los ntawm kev sib tshooj ntau dhau. Nws yog ib qho muaj nyob rau hauv cov hniav txhab, tab sis nws kuj tuaj yeem tshwm sim thaum tus menyuam cov kaus hniav poob tawm ua ntej tus hniav tas mus li npaj nkag los.

Cov tsos mob ntawm tus hniav mob

Kev mob hniav tuaj yeem ua rau ntau yam tsos mob, thiab tsis yog txhua yam ntawm lawv pom tseeb.

Teem sijhawm nrog koj tus kws kho hniav yog tias koj pom muaj cov tsos mob hauv qab no:

• mob hniav
• puab tsaig mob
• mob pob ntseg
• rhiab rau cua sov thiab txias
• kev mob tshwm sim los ntawm cov khoom noj qab zib thiab dej haus
• mob ua pa tsw phem
• kev sib tw lossis cov pos hniav o
• cov pos hniav liab
• cov pos hniav los ntshav
• xoob hniav
• rho tawm hniav
• ua npaws

Cov lus qhia rau cov hniav noj qab haus huv

Koj tuaj yeem zam ntau yam mob hniav los ntawm kev saib xyuas koj cov hniav. Ua raws li cov lus qhia no kom koj cov hniav khov thiab noj qab haus huv:

• txhuam hniav ib hnub ob zaug uas siv tshuaj txhuam hniav fluoride
• dig dig ntawm koj cov hniav ib hnub ib zaug
• hloov tus txhuam hniav txhua txhua peb lub hlis
• mus rau hauv kev ntxuav hniav txhua 6 lub hlis
• Txwv koj kev noj haus thiab cov dej qab zib kom tsawg
• yog tias koj haus luam yeeb, tham nrog koj tus kws kho mob txog txoj kev txiav luam yeeb