Anatomical terminology. Ib diastema (plural diastemata, los ntawm Greek διάστημα, qhov chaw) yog qhov chaw lossis qhov sib txawv ntawm ob tus hniav. Ntau hom tsiaj muaj diastemata raws li ib txwm muaj, feem ntau yog nruab nrab ntawm incisors thiab molars.
Dab tsi yog qhov ua haujlwm ntawm diastema?
A diastema yog qhov chaw sib cais cov hniav ntawm cov haujlwm sib txawv, tshwj xeeb tshaj yog nyob nruab nrab ntawm cov hniav tom (incisors thiab canines) thiab cov hniav sib tsoo (premolars thiab molars). Luav tsis muaj canines, yog li tus diastema pab nrog gnawing thiab zom cov nroj tsuag.
Diastema yog dab tsi thiab nws lub hom phiaj yog dab tsi?
Diastema hais txog rau qhov sib txawv lossis qhov chaw nruab nrab ntawm cov hniav Cov chaw no tuaj yeem tsim nyob qhov twg hauv lub qhov ncauj, tab sis qee zaum pom ntawm ob sab pem hauv ntej cov hniav. Tus mob no cuam tshuam rau cov neeg laus thiab menyuam yaus. Hauv cov menyuam yaus, qhov khoob yuav ploj mus thaum lawv cov hniav loj hlob tuaj.
Dab tsi yog diastema hauv tsiaj?
yam ntxwv ntawm cynognathus fossils. … Canines los ntawm qhov sib txawv, los yog diastema, yog ib kab ntawm sab plhu cov hniav uas hlais cov tsiaj cov zaub mov rau hauv me me, ntau dua qhov nqos tau yooj yim. Lub palate tau tsim tau zoo tau cais cov zaub mov ntawm cov pa ua pa.
Dab tsi ua rau mob plab?
Qhov ua rau mob plab ntau tshaj plaws yog qhov loj ntawm cov hniav txheeb ze ntawm lub puab tsaig Yooj yim yooj yim, yog cov hniav me dhau ntawm qhov ncauj, qhov khoob yuav tshwm ntawm cov hniav. Qhov luaj li cas ntawm cov hniav thiab lub puab tsaig feem ntau yog cov caj ces, uas yog vim li cas diastema yuav tshwm sim nyob rau hauv tsev neeg.
