Mano okhazikika

Mwana woyamba wa mano ayamba zimatha kuyambitsa theka la chaka. Pankhaniyi, makolo ndithudi kumva nokha. Chizindikiro choyamba kuti mano mwana zimatha kuyambitsa, ndi kumwetsa salivation. Ana amayamba kukoka zovuta kwambiri pakamwa onse amene amabwera njira zawo. Mwana amakhala whiny, kukwiya ndi wosakhazikika, ndipo ndithudi sadzalola inu kugona usiku.

The molars woyamba adzakhala ankaona mpaka miyezi 12. Choyamba kudzakhala pamwamba, ndi miyezi 19 ndipo mano m'munsi. Dongosolo lonse ndi chopweteka kwambiri ndi zopweteka ana, choncho m'pofunika kukhala tcheru ndi wachifundo mwana, kum'patsa ululu teas azitsamba.

Pamene mwana kudula molars, angathandize kwambiri kutikita m'kamwa. Kuti tichite zimenezi, ayenera kuyeretsa manja mokoma kutikita mwana, mokoma kukanikiza nthawi yomweyo. Izi osati kupulumutsa mwana wanu kwa kanthawi ku kusapeza, koma adzakhalapo Zubkov kudutsa m'kamwa pang'ono mofulumira.

Molars adzakhala m'malo ndi okhazikika, pamene mwana wanu akukula, chifukwa iwo ndinazolowera kutafuna mwakhama ndi chakudya chotafuna, kuti mfundo, ndipo popanda ana.

Akuluakulu, molars molars akutchedwa, iwo anayikidwa mu malo chimodzi, lachisanu ndi chiwiri ndi chitatu ija mpaka kalekale. Mano ndi dongosolo wandiweyani ndi mawonekedwe khalidwe kwa ntchito kutafuna. Iwo m'malo akapolo anzawo akale mwamsanga zaka zisanu kapena zisanu ndi chimodzi wa moyo, ndi mphamvu osiyana ndi osalimba.

Tikumbukenso kuti otchedwa "nzeru mano" angaoneke mu zaka 18, ndipo ngakhale patapita zaka 30 - ichi sichina kwambiri.

Chapamwamba nsagwada molars ndi njira zitatu, ndi pansi pa awiri okha. Komabe, pali kuchotserapo, ndipo nthawizina mano angaone malo uncharacteristic ngalande muzu ndi mizu.

Aliyense ali enieni molar kutafuna pamwamba, amene ankaimira hillocks. Pangakhale zisanu kapena anayi, malingana ndi malo dzino. Nthawi zambiri, koma molar loyamba la nsagwada m'munsi Tingaone hillocks asanu ndi onse - anayi.

Pakati pa mano M'mimbamo m'kamwa ndi danga interdental, lomwe m'lifupi zingasiyane.

Kapangidwe ka mano, onse ofanana. Aliyense ali enamel - nsalu wapadera okuta dzino lonse kuchokera pamwamba mpaka pansi. Monga dzino akhoza kugawidwa mu korona, khosi ndi mizu.

Molars si mwapadera mu dongosolo ndi mzake, koma misa zawo ndi wamkulu kuposa unyinji wa mano. Pafupifupi onse danga korona ndi mizu dentin amatenga - ndi olimba owoneka ngati chinkhupule. Dentin chakudya dzino lonse, chifukwa mu tubules ake anayesedwa molekezera mitsempha ndi ziwiya chabwino magazi.

Pakati pa dzino ali ndi M'mimbamo kuti umalandira muzu ndiponso umatha ndi kutsegula yaing'ono. Pakuti aliyense dzino mizu mu pachibwano pali malo apadera - selo imene aikidwa. Pakati pa lokha ndi muzu wa recess pali danga yaing'ono wodzazidwa ndi minofu connective, amene amalola dzino kugwira mwamphamvu kwambiri selo. Kuyambira minofu kwa dzino kudutsa kudyetsa ziwiya zake ndi mapeto mitsempha - thupi ili amathandiza moyo.

mano zonse M'mimbamo m'kamwa imakonzedwa mu arcs awiri ndi dongosolo lomwelo. Mu kutafuna ili pamalo a Arc chapamwamba ndipo m'munsi ayenera mwangwiro kugwirizana. The articulation wa pamalo awa akutchedwa occlusion.

Koma durability ndi mphamvu ya mano zonse ambiri, mbali yaikulu ankaimba ndi chibadwa ndi zakudya anthu. Ngati kashiamu sikokwanira, mano ayamba kutha mu thupi. Pali matenda kuti tifulumizane imfa ndi mano Chimaona, koma mokulirapo zimatengera munthu.