Mawallafi: Louise Ward
Ranar Halitta: 5 Fabrairu 2021
Sabuntawa: 27 Satumba 2024
Anonim
ALL NIGHT WITH THE POLTERGEIST IN THE APARTMENT BUILDING, I filmed the creepy activity.
Video: ALL NIGHT WITH THE POLTERGEIST IN THE APARTMENT BUILDING, I filmed the creepy activity.

Wadatacce

Menene nau'in hakora?

Hakoranka sune ɗayan mafi ƙarfin sassan jikinka. An yi su ne daga sunadarai irin su collagen, da ma'adanai irin su calcium. Toari da taimaka maka ka tauna ta ko da abinci mafi wuya, suna kuma taimaka maka ka yi magana a sarari.

Yawancin manya suna da hakora 32, ana kiransu haƙoran dindindin ko na sakandare:

  • 8 incis
  • 4 canines, wanda ake kira cuspids
  • 8 premolars, wanda ake kira bicuspids
  • 12 molar, gami da hakora 4 masu hikima

Yara suna da haƙori 20 kawai, wanda ake kira na hakora na farko, na ɗan lokaci, ko na madara. Sun haɗa da hakora iri 10 iri ɗaya a babba da ƙananan muƙamuƙi:

  • Incis 4
  • Canines 2
  • 4 molar

Hakora na farko suna fara fitowa ta cikin gumis lokacin da yaro ya kai kimanin watanni 6. Incananan ƙananan raunin yawanci sune farkon haƙoran farko da suka fara shigowa. Yawancin yara suna da duk haƙoransu na farko 20 tun shekaru 3.

Yara sukan rasa haƙoransu na farko tsakanin shekaru 6 zuwa 12. Daga nan aka maye gurbinsu da haƙoran dindindin. Molars yawanci sune haƙoran farko na dindindin waɗanda zasu fara shigowa. Yawancin mutane duk suna da haƙoran haƙoransu na dindindin tun suna shekaru 21.


Ci gaba da karatu don ƙarin koyo game da nau'ikan haƙori, haɗe da fasalinsu da aikinsu.

Zane

Menene zane-zane?

Hakoranka masu shiga ciki takwas suna cikin ɓangaren bakinka. Kuna da su huɗu a cikin babba na sama da kuma huɗu a ƙananan muƙamuƙin.

Incisors suna kama da ƙananan ƙananan chisels. Suna da kaifafan gefuna waɗanda ke taimaka maka cizon abinci. Duk lokacin da kuka nitse haƙoranku cikin wani abu, kamar su apple, zaku yi amfani da haƙoran tsoranku.

Incisors yawanci sune farkon hakora waɗanda zasu fara fitowa, suna bayyana da kimanin watanni 6. Saitin manya ya girma tsakanin shekaru 6 da 8.

Menene canines?

Hakoranku na canine huɗu suna zaune kusa da incisors. Kuna da canines biyu a saman bakinku biyu kuma a ƙasan.

Canines suna da kaifi, wuri mai mahimmanci don yaga abinci.


Canines na farko na yara suna zuwa tsakanin shekaru 16 zuwa watanni 20. Canines na sama suna girma da farko, sannan ƙananan canines suna biye da su.

Canananan canines masu girma suna fitowa ta wata hanya ta daban. Na farko, ƙananan canines suna shiga cikin gumis a cikin shekaru 9, sa'annan ƙananan canines suna shigowa suna da shekaru 11 ko 12.

Menene premolars?

Premolar naku takwas suna zaune kusa da canines. Akwai premolars huɗu a saman, da huɗu a ƙasa.

Premolars sun fi canines da incisors girma. Suna da shimfida mai faɗi tare da tuddai don niƙa da niƙa abinci cikin ƙaramin yanki don sauƙaƙƙar haɗiyewa.

Ana maye gurbin haƙoran beran yara da tsofaffin tsofaffi. Jarirai da ƙananan yara basu da premolars saboda waɗannan haƙoran basa fara shigowa har sai sunkai shekaru 10.

Menene molar?

Larsawanninku 12 sune manyanku da ƙarfi hakora. Kuna da shida a saman kuma shida a kasa. Ana raba manyan molar takwas a wasu lokutan cikin shekaru 6 da 12, gwargwadon lokacin da yawanci suke girma.


Babban filin molarku yana taimaka musu wajen nika abinci. Lokacin cin abinci, harshenka yana tura abinci zuwa bayan bakinka. Sa'annan, molarku suka raba abincin kanana kaɗan wanda zai isa ku haɗiye su.

Molar sun haɗa da haƙoran hikima huɗu, waɗanda sune saitin hakora na ƙarshe da zasu shigo. Yawanci suna shigowa ne tsakanin shekaru 17 zuwa 25.

Ba kowa ke da isasshen ɗaki a bakinsu ba don wannan rukunin haƙori na ƙarshe. Wani lokaci, hakoran hikima suna tasiri, ma'ana suna makale a ƙarƙashin gumis. Wannan yana nufin ba su da sarari da za su yi girma a ciki. Idan ba ku da wuri don hikimomin haƙori, da alama za a cire su.

Layin kasa

Hakoranka 32 suna da mahimmanci don cijewa da nika abinci. Hakanan kuna buƙatar haƙoranku don taimaka muku magana da kyau. Yayinda haƙoranka suke da ƙarfi, ba zasu dawwama a rayuwa ba har sai ka kula da su da kyau.

Don kiyaye haƙoranku cikin yanayi mai kyau, sa fure da goga a kai a kai, kuma a bi diddigin ƙwararrun hakoran kowane watanni shida.

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