Kev kho hniav hlau yog cov qauv ruaj khov siv dav hauv orthodontics thiab prosthodontics, tsim los ntawm siab - cov ntaub ntawv muaj zog xws li stainless hlau, titanium, nickel-chromium, lossis cobalt-chromium alloys. Muaj nuj nqis tshwj xeeb rau kev ua haujlwm ruaj khov thiab kev ruaj ntseg, lawv ua lub luag haujlwm tseem ceeb hauv cov hniav nyiaj hniav kub, ib feem ntawm cov hniav cuav, txuas txuas ruaj khov, cog qoob loo- txhawb nqa cov yas, thiab txawm tias qee qhov tshem tau cov hniav cuav.
Nyob rau hauv orthodontics, hlau brackets sib txuas rau cov hniav sib txuas ntawm archwires, thov kom meej, txhawb nqa quab yuam kom maj mam ua kom cov hniav tsis zoo, kho qhov teeb meem tom (overbites, underbites), thiab kaw qhov khoob. Rau prosthodontics, lawv ua raws li lub hauv paus ruaj khov, anchoring cov hniav dag rau cov hniav ntuj los yog cog qoob loo, txhim khu kev zom zaub mov thiab tiv thaiv kev hloov ntawm cov hniav seem lossis pob txha resorption.
Kev tiv thaiv corrosion, hnav, thiab qhov ncauj noo, cov qauv no ua kom muaj kev ua haujlwm ntev -. Txawm hais tias tsis zoo nkauj dua li cov kev xaiv meej, lawv ua tau zoo hauv cov xwm txheej nyuaj uas xav tau kev txhawb nqa zoo. Cov kws kho hniav kho lawv tsis tu ncua-tightening wires or refining fits-kom kho kho kom zoo. Tus nqi- ua tau zoo thiab txhim khu kev qha, lawv tseem tseem ceeb rau kev ua tsis zoo lossis cov neeg mob xav tau kev ruaj khov, qis- kho hniav daws teeb meem.