muab ib lub qhov muag, muab ib yam dab tsi rau ib tug xav tias muaj nuj nqis heev, feem ntau yog pauv rau ib qho khoom lossis qhov xwm txheej uas ib tus neeg xav tau: Nws yuav muab nws cov hniav rau txoj hauj lwm ntawd.
qhov muag hniav yog dab tsi?
Canines qee zaum hu ua cov hniav qhov muag vim lawv qhov sib txawv hauv qab ob lub qhov muag. Incisors yog cov hniav pem hauv ntej ntawm koj lub puab tsaig sab sauv thiab sab qis. Vim lawv lub hom phiaj tseem ceeb yog txhawm rau tom zaub mov, lawv lub npe los ntawm lo lus Latin "incidere," uas txhais tau tias cutter.
Vim li cas tus hniav qhov muag hu ua tus hniav qhov muag?
Eyetooth: Ib tus hniav sab sauv uas yog tam sim ntawd sab laug mus rau qhov thib ob (lateral) incisor. Yog li-npe ntawm qhov yuam kev kev ntseeg tias tus hniav no txuas nrog ib ceg ntawm cov hlab ntsha uas muab lub qhov muag.
Dab qhov muag yog dab tsi?
Eyeteeth yog cov canines nyob rau hauv lub puab tsaig sab sauv uas nyob rau hauv qab ntawm lub qhov muag. Qee lub sij hawm, cov hniav no tsis tawg los ntawm cov pos hniav kom zoo thiab ua rau muaj kev cuam tshuam.
Cuspids siv rau dab tsi?
Siv rau cov khoom noj khoom haus thiab kua muag, cuspids loj dua thiab muaj zog dua cov incisors nrog cov hauv paus hniav uas nkag mus rau hauv cov pob txha ntawm lub puab tsaig. Cuspids feem ntau yog qhov kawg ntawm cov hniav pem hauv ntej kom tawg, feem ntau ntawm cov hnub nyoog ntawm 11 thiab 13.
WHAT ARE THE DIFFERENT TYPES OF TEETH?
