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Cov kws tshawb fawb txhim kho ze-infrared Miniature LED Dental Implants uas tuaj yeem kho cov pos hniav

Sep 14, 2021

Raws li xov xwm txawv teb chaws Tshiab Atlas, txawm hais tias kev cog hniav yog qhov tseeb yog qhov kev xaiv mus sij hawm ntev rau cov hniav cuav, yog tias muaj kab mob pos hniav tshwm sim, lawv yuav xav tau hloov los ntawm kev phais. Yog li ntawd, cov kws tshawb fawb tab tom ua haujlwm ntawm kev cog qoob loo zoo dua uas tuaj yeem tsim hluav taws xob los ntawm kev txav qhov ncauj.


Tam sim no, tus pab xibfwb Geelsu Hwang ntawm Pennsylvania State University thiab nws cov npoj yaig tab tom txhim kho hom kev cog qoob loo no, uas suav nrog kev kho hniav zoo ib yam li nws tus kheej (hniav hniav). Lub nplhaib nyob ib puag ncig ze-infrared micro LED ntawm nws lub hauv paus raug. Cov hauv qab tawm los ntawm hauv qab ntawm cov yas thiab tsau rau tus neeg mob' lub puab tsaig nrog cov ntsia hlau.


Cov yas yog ua los ntawm cov tshuaj txhuam hniav ua ke nrog nanoparticles ntawm cov khoom tsis muaj tshuaj hu ua barium titanate. Qhov tom kawg yog cov khoom siv piezoelectric, uas txhais tau tias nws tsim hluav taws xob them nyiaj hauv kev teb rau cov tshuab kev nyuaj siab.


Cov kws tshawb fawb vam tias kev nqis tes ua xws li zom yog txaus los tsim hluav taws xob thiab khaws cia hauv roj teeb. Lub roj teeb yuav tom qab ntawd siv lub micro LEDs ib ntus kom lawv tuaj yeem pom cov ntaub so ntswg ib puag ncig. Cov kev tshawb fawb yav dhau los tau qhia tias qhov kev kho lub teeb pom kev zoo, thiaj li hu ua phototherapy, tuaj yeem pab txo qhov mob thiab ua kom sai ntawm kev kho cov pos hniav puas los ntawm kev kis kab mob.


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Ib qho ntxiv, pab pawg kuaj mob kuaj pom tias qhov tsis zoo ntawm tus nqi barium titanate hais tawm qhov tsis zoo ntawm lub xovtooj ntawm phab ntsa ntawm Streptococcus mutans. Qhov no txhais tau tias cov kab mob no yuav tsum tsis ua raws li cov yas thiab tsim cov biofilm ntawm cov quav hniav raws li peb paub nws-yog li txo qhov muaj peev xwm kis mob thawj zaug.


Cov kws tshawb fawb tau thov tias cov khoom siv no/nanoparticle sib xyaw ua kom cov txiaj ntsig piezoelectric thaum ntau qhov kev sim. Nws kuj tseem muab cov khoom siv dag zog zoo ib yam li cov khoom siv kho hniav uas twb muaj lawm. Ib qho ntxiv, barium titanate nanoparticles yuav tsis xau los ntawm nws thiab yuav tsis ua mob rau cov pos hniav zoo.


& quot; Peb vam tias yuav tsim kho cov txheej txheem cog ntxiv no thiab thaum kawg pom nws cov lag luam kom nws tuaj yeem siv tau hauv kev kho hniav,&"; Hwang hais. Qhov kev tshawb fawb no tau piav qhia hauv daim ntawv tsis ntev los no luam tawm hauv phau ntawv xov xwm ACS Cov Khoom Siv thiab Kev Sib Tham.