Nerevane maumbirwo zino kwevanhu

A zino riri pfupa inotungamirwa, iyo anochengeterwa Formação de rokumusoro uye ezasi shaya. The chikuru kushanda rushaya ari kutsemura chikafu, dzidzo coherent kutaura uye kuita nedanho afemeruke.
Kune mapoka inoverengeka masangano, chimwe nechimwe chine munhu zino mamiriro. Somuenzaniso, zviri aricheke 4 akaiswa mukati nechekumberi pakati shaya, akaronga kuti zvakananga zvokudya zvacho nibbles. On kana divi incisors vari canines, izvo dzinounzwa rakasiyana nemamwe chimiro. chikuru basa ravo riri vaibvisa zvokudya zvidimbu zvidiki. Large uye zviduku molars zvinobatanidzwa nedanho nokugeda uye zvikuru kwazvo nokugeda. The rwokumugumo mazino kuti kuonekwa makore 20, anonzi mazino uchenjeri.
Total zino mamiriro ndechokuti pane dentin uye core. Chinoumba ari zino rinoumbwa tsinga harinzwi nemidziyo ropa, uye dentin pamusoro zino korona zvinenge zvakazara yakasimba enamel. korona Dental ane hukawanika wandei, sezvo chinoumba akapoteredzwa kumativi ose mana. Munotapira enamel ndizvo zvakaoma kupfuura zvose fuma iri yose yevanhu muviri, sezvo rinoumbwa calcium.
shaya mamiriro rine nhamba mazino (nenguva tive 32) ngadzirambe dziri okumusoro shaya mapfupa. Between zvikamu zvose zvakabatana shaya temporo-mandibular majoini, nokuda icho anogona kuvhura nokuvhara miromo. the clicks nyore, kuti hakusi chakakomba kutsauka kunogona kunzwika kana kamwe kufamba.
Ko govera Deciduous uye meno zvachose, nokuti mumwe boka ine pachake nerevane. mazino Milk kuonekwa negore upenyu rokutanga, zvishoma nezvishoma kuwa panze uye inotsiviwa dzinokura zvachose. Sechivako chikuru mazino chakatorwa yokudya zvokudya zvikukutu kuti mwana akaora kushandiswa zvishoma nezvishoma. Uyewo, mwana meno zvinokosha dzose paumbwe shaya muhudyu uye munhu yose. Kazhinji, makore 1.5-2 ari mwana anofanira kuva 20 mazino mukaka. Kunyanya chidzoke mazino vasiri zvachose wokutanga uye nekutambira ari kurwadziwa, uye kuzvimba matadza. Kakawanda, mwana hunowedzera kutsamwa uye ndiine zvinyamusi, ake tembiricha muviri rinobuda, pane manyoka.
Permanent nemamiriro zino achiumbwa makore 6-7. The kutevedzana kwezviitiko chose kufanana ari kuputika meno zvikuru. Final kuchinja kunoitika anenge makore 12-13, kwete kusanganisira meno uchenjeri, izvo kukura zvikuru gare gare. Kakawanda, uchenjeri zino inokura inorwadza uye zvishoma nezvishoma anotanga kuputsa. Kuti tidzivise kuparadza danho zino mamiriro, Zvinokurudzirwa kuti avabvise kune utachiona zino haina kutyora pedyo nechivako.
Chokwadi, zino mamiriro inofanira ainawo upenyu. Insufficiently nomazvo zvokuudzwa utano uye kushaya matanho kunogona dzakakomba zvirwere uye mazino. Zvinofanira kurangarirwa kuti vazhinji zvigadzirwa vane inokanganisa ezvinhu uye utano mazino enyu, saka pashure ose kudya unofanira kuchenesa muromo zvokudya vakasara. The yakanaka nzira iri kugara kuchenesa ane bhurasho namatidza, asi ichi hachisi kuwanika nguva dzose muna ano karwizi upenyu. Panguva iyoyo, pane nzira dzakawanda kuramba nomumukanwa kuchena yose zuva (kutsenga chingamu, shinda, toothpicks, etc.).

Mazino rokutsvaira kwacho chinhu chakaparadzana chikamu dentistry kubva pane Qualitative nzira uye kutonga dentifrice. Kana hadzina kufambiswa zvakanaka uye zvarakasiya here kubatsirwa nyanzvi uyo anoongorora uye taurira zvakakodzera kurapwa kana kudzivirira zvirwere kuchengeta.