Leej twg muaj duav zoo li tus incisors?

Cov txheej txheem:

Leej twg muaj duav zoo li tus incisors?
Leej twg muaj duav zoo li tus incisors?

Video: Leej twg muaj duav zoo li tus incisors?

Video: Leej twg muaj duav zoo li tus incisors?
Video: Leej Twg Tus ( Tub & Ntxais ) - Khamseng UNI Ft: Xa xiong x Ntsais Thor x Farlee [ Official MV ] 2024, Hlis ntuj nqeg
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Lub xub ntiag ntawm shovel-shaped incisors, ntawm ntau yam kev kho hniav, yog siv hauv forensic dentistry txhawm rau txheeb xyuas tus neeg caj ces. Tshwj xeeb, qhov kev coj cwj pwm no tshwm sim feem ntau hauv neeg Asmeskas thiab Native American.

Puas muaj pes tsawg tus hniav hniav?

Cov kws tshawb fawb pom yuav luag txhua haiv neeg Asmeskas tau shoveled incisors ua ntej tuaj txog ntawm cov neeg European. Hnub no, ze li 40 feem pua ntawm cov neeg Esxias qhia qhov kev kho hniav no.

Dab tsi yog rab chais plaub hau?

Shovel-shaped incisors yog cov hniav nrog tuab marginal ridges nyob ib puag ncig ib qho tob tob ntawm fossa. Lawv muaj ntau dua nyob rau hauv cov haiv neeg Asian.

Vim li cas cov Neeg Qhab Asmeskas thiaj li muaj cov hniav zoo li?

Hlusko hais tias lub shovel-shaped incisors pom nyob rau hauv East Asians thiab Native Americans yog tshwm sim rau cov txiaj ntsig tau los ntawm kev xaiv ntuj los ntawm cov qog hws thiab kev noj zaub mov zoo rau menyuam mos.

Dab tsi txawv ntawm Native American cov hniav?

Native American caj ces tsis yog tib tug uas muaj cov hniav sib txawv. Piv txwv li, qee cov neeg nyob sab Europe muaj dab tsi hu ua Carabelli Cusp, uas yog ib qho pob ntxiv rau sab nraud ntawm cov molars. Lawv cov hniav rov qab zoo li yog tiaj tussab saum toj, du rau pem hauv ntej thiab nraub qaum, thiab muaj ob lub hauv paus tsis yog peb.

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