Video: Lawv puas muaj braces hauv 60s?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Hauv Xyoo 1960 , cov hlau hauv kev zawm hniav yuav tsum tau qhwv ib ncig ntawm cov hniav. Tom qab ntawd, xyoo 1970s, kev tshawb pom ntawm cov nplaum tshiab tau ua rau cov kab zauv tau lo rau.
Hais txog qhov no, thaum twg zawm hniav tau dhau los?
Steel tsis yog feem ntau siv rau kev zawm hniav mus txog xyoo 1950. Hauv xyoo 1970, kev sib txuas ncaj qha ntawm cov hlua khi rau cov hniav tau nrov thiab los ntawm nruab nrab-70s, lingual braces yog invented, uas siv bonded brackets tso rau sab hauv ntawm cov hniav, ua rau lawv 'invisible.
Ib yam nkaus, yuav ua li cas cov hniav txav nrawm nrog cov zawm hniav? Muaj ntau yam xwm txheej uas cuam tshuam tus nqi uas koj cov hniav yuav pib mus ua haujlwm . Qhov laj thawj uas cov kws kho hniav muab ntau yam yog vim tias koj lub sijhawm kho mob tau teeb tsa raws li koj tus kheej xav tau. Raws li txoj cai dav dav, koj lub sijhawm tag nrho hauv kev zawm hniav yuav nyob nruab nrab ntawm 18 thiab 24 lub hlis.
Cov lus nug tseem yog, lawv puas muaj braces xyoo 1940?
Yog li thawj zaug Braces muaj tau nyob ib puag ncig ntev heev. Muaj pov thawj ntawm Hippocrates thiab Aristotle ob leeg txaus siab rau kev zom cov hniav^1. Fab Kis Kws Kho Hniav Pierre Fauchard tau luam tawm ib phau ntawv nyob rau xyoo 1728 hu ua The Surgeon Dentist uas suav nrog ib tshooj ntawm kev txhim kho cov hniav ^ 1^2.
Leej twg ua hniav zawv zawg hniav?
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Hom: Capillaria