Buck hniav feem ntau hereditary. Lub puab tsaig puab, zoo li lwm yam ntawm lub cev, tuaj yeem dhau mus dhau ib tiam. Cov cwj pwm thaum yau, xws li tus ntiv tes xoo nqus thiab siv pacifier, yog qee yam ua rau cov hniav buck.
Vim li cas cov hniav nyiaj hniav kub hu ua li ntawd?
Thaum cov hniav pem hauv ntej horizontally overlap lub hauv ntej cov hniav, nws ua rau ib tug mob hu ua 'overjet. ' Qhov no feem ntau hu ua buck hniav. Tib neeg feem ntau siv cov ntsiab lus 'overjet' thiab 'overbite' sib hloov.
Pab cov hniav tsim li cas?
Overbite, tseem hu ua buck hniav, yog ib hom malocclusion nyob rau hauv uas cov txheej txheem ntawm cov hniav sib tshooj ntawm cov hniav qis. Nws tshwm sim thaum lub puab tsaig tsis sib haum, thiab cov hniav sab sauv protrude ntau tshaj 2 hli, ib txwm kab rov tav nrug ntawm cov hniav sab sauv thiab sab qis.
buck hniav txhais li cas hauv slang?
derogatory ib qhov projecting pem hauv ntej hniav
Koj puas tawm ntawm cov hniav nyiaj hniav kub?
Yog tias lawv nres sai sai no, koj tus menyuam tseem yuav muaj lub sijhawm zoo uas lawv cov hniav loj hlob ib txwm, tab sis lawv yuav tsum tau tshem tus cwj pwm phem ua ntej hnub nyoog 6 lossis xya. Yog tias lawv nres tsis tau, koj tus menyuam tuaj yeem muaj cov hniav nyiaj hniav kub mus tas li.