Kev kho hniav, tseem hu ua braces, orthodontic case, los yog cov xwm txheej yooj yim, ua lub luag haujlwm tseem ceeb hauv orthodontics. Cov cuab yeej no yog tsim los ua kom cov hniav ncaj thiab ncaj, kom ntseeg tau tias lawv nyob hauv txoj haujlwm kom raug rau tus neeg tom. Tsis tsuas yog lawv txhim khu kev zoo nkauj ntawm kev luag nyav, tab sis lawv kuj pab txhawb kev kho hniav.
Braces feem ntau yog siv los daws ntau yam teeb meem kho hniav. Lawv tuaj yeem kho qhov tsis zoo, malocclusions, overbites, qhib tom, qhov khoob ntawm cov hniav, qhov sib sib zog nqus tom, hla tom, cov hniav nkhaus, thiab ntau lwm qhov tsis zoo ntawm cov hniav thiab lub puab tsaig. Lawv tuaj yeem ua rau lub hom phiaj kho kom zoo nkauj lossis daws teeb meem ntawm cov qauv.
Feem ntau, kev kho hniav yog siv ua ke nrog lwm cov khoom siv orthodontic. Qhov no pab ua kom lub palate lossis lub puab tsaig thiab pab txhim kho cov hniav thiab lub puab tsaig kom ua tiav cov txiaj ntsig zoo tshaj plaws. Nrog kev pab los ntawm kev kho hniav, koj tuaj yeem txaus siab rau txoj kev luag nyav thiab kev noj qab haus huv zoo dua.