Qhov ntxov tshaj plaws ntawm kev siv tshuaj kho hniav niaj hnub no tau qhia hauv xyoo 1815, los ntawm tus kws kho hniav New Orleans lub npe Dr. Levi Spear Parmly. Dr. Parmly txhawb kom nws cov neeg mob siv cov xov paj ntaub tom qab txhua qhov kev mus ntsib.
Vim li cas cov tshuaj txhuam hniav tau tsim?
Kev kho hniav tsis yog cov khoom siv dav dav txog xyoo 1815, thaum Dr. Levi Spear Parmly, kws kho hniav los ntawm New Orleans, tau tsim ib qho nyias, waxen silk xov los pab nws cov neeg mob ntxuav ntawm lawv cov hniav.. Nws txawm hais txog qhov tseem ceeb ntawm txoj hlua khi hauv phau ntawv hu ua A Practical Guide to the Management of Teeth.
Thaum twg kws kho hniav pib pom zoo kom siv tshuaj txhuam hniav?
Thawj Kws Kho Hniav Kom Pom Zoo Flossing
In 1815, tus kws kho hniav Asmeskas npe hu ua Levi Spear Parmly tau qhia lub tswv yim ntawm kev siv waxen txhob lo lo ntxhuav ua paj ntaub.
Puas yog ib qho khoom lag luam Asmeskas?
Tus kws kho hniav hauv Asmeskas, Levi Spear Parmly tau tsim flossing thaum ntxov 1800s. Thawj txoj hlua khi tau patented hauv 1874 los ntawm lub sijhawm kws kho hniav tau pom zoo rau kev xyaum. Tam sim no nyob rau hauv Teb Chaws Asmeskas, cov kev tshawb fawb uas ntsuas cov txiaj ntsig ntawm kev siv tshuaj txhuam hniav tuaj yeem tau txais nyiaj txiag thiab qhia los ntawm cov tuam txhab flossing.
Leej twg tsim cov plaub hau?
Leej Twg Tsim Kho Hniav Floss? Tab sis raws li feem ntau cov peev txheej, credit rau kev tsim kho hniav txhuam hniav raws li peb paub nws mus rautus kws kho hniav New Orleans, uas xyoo 1815 tau pib qhia nws cov neeg mob siv cov xov nyias nyias los ntxuav ntawm nruab nrab. lawvhniav.
