Koj siv Orthodontic Elastic Ligature Tie ua ib qho tseem ceeb hauv kev kho hniav. Cov hlua me me no, uas yog elastic band, yuav khi lub archwire rau ntawm lub bracket. Nws ua lub luag haujlwm tseem ceeb hauv kev coj cov hniav txav mus los. Cov hlua kuj tseem ua kom lub archwire nyob ruaj khov thaum lub sijhawm kho hniav.
Ntsiab Cai
- Orthodontic elastic ligature ties yog me me bands. Lawv tuav lub archwire raulub bracket.Qhov no pab txav cov hniav mus rau qhov chaw zoo.
- Koj yuav tsum siv cov cuab yeej zoo thiab cov kauj ruam los muab cov hlua khi. Qhov no ua kom cov hniav txav tau zoo. Nws kuj ua rau cov neeg mob xis nyob.
- Ib txwm xyuas seb puas muaj qhov yuam kev xws li tso tsis raug lossis siv zog ntau dhau. Qhov no yuav pab kom tsis txhob muaj teeb meem. Nws ua rau kev kho mob mus raws li qhov xav tau.
Nkag siab txog Orthodontic Elastic Ligature Ties
Dab tsi yog Orthodontic Elastic Ligature Ties?
Tej zaum koj yuav xav paub txog cov khoom me me no. Ib Orthodontic Elastic Ligature Tieyog ib tug me me, stretchy band. Nws haum nyob ib ncig ntawm lub bracket. Cov kab no tuav lub archwire khov kho nyob rau hauv qhov chaw. Koj yuav pom lawv ntau xim. Lawv yog ib qho yooj yim tab sis tseem ceeb ib feem ntawm braces. Xav txog lawv li cov roj hmab me me rau koj cov hniav. Cov kev sib txuas no yog tsim los ntawm cov khoom siv kho mob tshwj xeeb-qib elastic. Lawv yog tsim los rau durability thiab ib txwm muaj zog. Koj siv lawv tus kheej mus rau txhua lub bracket. Qhov no tsim kev sib txuas ruaj ntseg.
Lub luag haujlwm tseem ceeb ntawm Orthodontic Elastic Ligature Ties
Cov kev sib raug zoo no ua tau ntau yamcov haujlwm tseem ceeb. Ua ntej, lawv ruaj lub archwire. Cov kab no khiav los ntawm tag nrho cov brackets. Cov hlua khi ua kom cov hlau nyob hauv nws qhov tseeb zawj. Qhov kev sib txuas ruaj ntseg no tseem ceeb heev. Nws tso cai rau lub archwire kom maj mam, nruam siab. Lub siab no txav koj cov hniav mus rau hauv lawv txoj haujlwm xav tau. Yog tsis muaj cov kev sib txuas no, archwire tuaj yeem plam. Koj txoj kev kho mob yuav tsis zoo. Lawv kuj pab tswj cov archwire cov duab. Cov duab no qhia txog kev sib haum xeeb ntawm koj cov hniav. Koj cia siab rau lawv kom muaj cov hniav zoo ib yam. Lawv me me, tab sis lawv qhov cuam tshuam loj heev. Lawv xa cov rog los ntawm archwire ncaj qha mus rau cov hniav. Qhov kev xa mus ncaj nraim no yog qhov tseem ceeb rau kev kwv yees tau. Koj xyuas kom txhua tus hniav txav raws li txoj kev npaj kho mob. Yog li ntawd, qhov kev tso kawm ntawm cov kev sib raug zoo no yog qhov tseem ceeb. Lawv tiv thaiv pliaj kev sib hloov los yog tipping ntawm cov hniav. Qhov no ua kom muaj kev tswj xyuas meej ntawm txhua qhov kev txav mus los. Koj pab txhawb rau txoj kev vam meej ntawm kev kho hniav nrog kev ua tib zoo thov.
Tshawb nrhiav hom Orthodontic Elastic Ligature Ties
Koj ntsib ntau hom elastic ties hauv orthodontics. Txhua hom ua haujlwm rau lub hom phiaj tshwj xeeb. Koj xaiv qhov tsim nyog rau ntau theem ntawm kev kho mob.
Cov Khoom Siv Elastic Ligature Txheem
Koj siv cov qauv elastic ligature ties feem ntau. Cov no yog tus kheej, me me elastic rings. Koj tso ib ncig txhua tus bracket.Lawv ruaj lub archwire rau hauv lub bracket qhov. Qhov no ua kom cov archwire nyob twj ywm hauv qhov chaw. Standard ties tuaj nyob rau hauv ntau yam xim. Cov neeg mob feem ntau nyiam xaiv cov xim uas lawv nyiam. Koj hloov cov kev sib raug zoo ntawm txhua lub sij hawm hloov.
Hwj chim Chains thiab lawv cov ntawv thov Orthodontic
Cov saw fais fab sib txawv. Lawv muaj ob peb txuas elastic rings. Koj siv cov saw fais fab los kaw qhov chaw nruab nrab ntawm cov hniav. Lawv kuj pab consolidate arch qhov chaw. Koj tuaj yeem siv lawv los tig cov hniav kom zoo. Fais fab chains tuaj nyob rau hauv ntau yam configurations. Cov no muaj xws li luv, nruab nrab, thiab ntev chains. Koj xaiv cov saw hlau ntev raws li qhov kev ncua deb koj xav tau kaw.
Cov Khoom Siv Tshwj Xeeb Orthodontic Elastic Ligature Ties
Koj kuj tseem yuav ntsib kev sib txuas tshwj xeeb elastic. Cov kev sib txuas no muaj cov qauv tsim tshwj xeeb. Lawv daws cov teeb meem kho mob tshwj xeeb. Piv txwv li, qee qhov kev sib raug zoo muab kev tuav zoo. Lwm tus muab cov qib sib txawv. Koj siv cov kev sib txuas tshwj xeeb no rau kev txav hniav ntau dua. Lawv muab kev tswj xyuas meej rau koj tus kheej cov hniav. Ib qho Orthodontic Elastic Ligature Tie, tsis hais nws hom, ua lub luag haujlwm tseem ceeb hauv kev coj cov hniav.
Cov ntaub ntawv thiab cov khoom ntawm Orthodontic Elastic Ligature Ties
Koj yuav tsum nkag siab cov ntaub ntawv siv hauvorthodontic elastic ligature ties.Qhov kev paub no pab koj xaiv qhov kev xaiv zoo tshaj plaws rau koj cov neeg mob. Cov khoom sib txawv muaj qhov zoo sib xws.
Latex vs. Non-Latex Orthodontic Elastic Ligature Ties
Koj feem ntau ntsib ob hom khoom siv rau cov kev sib raug zoo no: latex thiab non-latex. Latex ties yog tsoos. Lawv muab zoo elasticity thiab lub zog. Txawm li cas los xij, qee cov neeg mob muaj cov kab mob latex. Koj yuav tsum nug txog kev ua xua ua ntej kho. Rau cov neeg mob no, kev xaiv tsis yog latex yog qhov tseem ceeb. Non-latex ties, feem ntau yog ua los ntawm polyurethane, muab ib qho kev nyab xeeb. Lawv tseem xa cov tsim nyog quab yuam thiab kav ntev. Koj ua kom tus neeg mob muaj kev nyab xeeb los ntawm kev muab ob qho kev xaiv.
Cov yam ntxwv tseem ceeb ntawm Orthodontic Elastic Ligature Ties
Koj saib rau cov yam ntxwv tshwj xeeb hauv Orthodontic Elastic Ligature Tie. Ua ntej, elasticity yog qhov tseem ceeb. Txoj hlua khi yuav tsum ncab yooj yim tab sis rov qab mus rau nws qhov qub. Lub zog sib xws no txav cov hniav zoo. Qhov thib ob, durability tseem ceeb. Kev sib khi yuav tsum tiv taus lub zog zom thiab cov kua hauv qhov ncauj. Lawv yuav tsum tsis txhob tawg sai heev. Peb,xim stability yog qhov tseem ceeb.Cov neeg mob txaus siab rau kev sib raug zoo uas khaws lawv cov xim vibrant ntawm kev teem caij. Cov kev sib raug zoo tsis zoo tuaj yeem stain los yog ploj mus. Koj xaiv cov kev sib raug zoo uas tuav lawv txoj kev ncaj ncees thiab zoo li. Qhov no ua kom muaj kev kho mob zoo thiab cov neeg mob txaus siab.
Kev Paub Txog Cov Txheej Txheem Siv Rau Orthodontic Elastic Ligature Ties
Koj yuav tsum paub qhov kev thov ntawm elastic ligature ties. Cov txheej txheem tsim nyog ua kom cov hniav txav tau zoo. Nws kuj ua rau koj cov neeg mob xis nyob. Tshooj lus no qhia koj txog cov kauj ruam tseem ceeb.
Cov cuab yeej tseem ceeb rau Orthodontic Elastic Ligature Tie Daim Ntawv Thov
Koj xav tau cov cuab yeej tshwj xeeb rau kev siv elastic ligature ties. Cov cuab yeej no pab koj ua haujlwm tau zoo thiab meej.
- Ligature Director: Koj siv cov cuab yeej no los thawb lubelastic khihauv qab archwire. Nws pab lub rooj khi ruaj ntseg nyob ib ncig ntawm lub bracket tis.
- Hemostat los yogMathieu Plier: Koj siv cov pliers no los tuav thiab ncab cov hlua elastic. Lawv muab kev tuav ruaj khov. Qhov no tso cai rau koj los tswj cov khi yooj yim.
- Tus Neeg Tshawb Fawb: Koj siv tus neeg tshawb nrhiav los xyuas qhov kev tso kawm ntawm txoj hlua khi. Nws pab kom txoj hlua khi tau zaum tag nrho. Koj kuj siv nws los tuck hauv ib qho xoob xaus.
Step-by-Step Ib leeg Orthodontic Elastic Ligature Tie Placement
Koj yuav muab ntau yam elastic ligature ties. Ua raws li cov kauj ruam no rau kev thov kom raug:
- Xaiv lub Tie: Xaiv cov xim thiab qhov loj ntawm elastic khi.
- tuav lub Tie: Siv koj lub hemostat lossis Mathieu plier. Muab lub elastic khi ruaj khov.
- Stretch lub Tie: Maj mam rub txoj hlua khi. Koj yuav ncab nws hla ib tis ntawm lub bracket.
- Loop Ib ncig tis: Qhia txoj hlua khi ntawm tag nrho plaub tis ntawm lub bracket. Xyuas kom nws hla hauv qab archwire.
- Zaum Tie: Siv tus thawj coj ligature. Nias lub khi rau hauv qhov bracket. Xyuas kom nws tuav lub archwire ruaj ntseg.
- Xyuas Qhov Chaw: Siv tus neeg tshawb nrhiav. Xyuas kom tseeb tias lub khi yog zaum kawg. Xyuas kom tsis muaj ib feem ntawm txoj hlua khi tawm.
Siv Lub Hwj Chim Fais Fab raws li Orthodontic Elastic Ligature Ties
Fais fab chains txuas ntau lub brackets. Koj siv lawv los kaw qhov chaw lossis tig cov hniav. Daim ntawv thov txawv me ntsis ntawm ib qho kev sib txuas.
- Xaiv cov sawXaiv qhov ntev thiab qhov teeb tsa ntawm cov saw hlau fais fab kom raug.
- Pib ntawm Ib Qhov Kawg: Pib los ntawm kev tso ib lub nplhaib ntawm cov saw fais fab rau ntawm lub bracket.
- Stretch rau Next Bracket: Maj mam ncab cov saw mus rau lub bracket tom ntej. Txuas lub nplhaib tom ntej rau ntawm lub bracket.
- Txuas ntxiv nrog Arch: Rov ua qhov txheej txheem no rau txhua qhov kev xav tau. Xyuas kom txawm tias nruj.
- Tshawb xyuas kev koom tes: Txheeb xyuas tias txhua lub nplhaib ntawm lub hwj chim saw muaj tag nrho nws cov bracket. Lub archwire yuav tsum muaj kev ruaj ntseg.
Cov kev coj ua zoo tshaj plaws rau cov neeg mob kev nplij siab thiab kev nyiam huv nrog Orthodontic Elastic Ligature Ties
Koj tus neeg mob txoj kev nplij siab thiab kev huv ntawm qhov ncauj yog qhov tseem ceeb heev. Ua raws li cov kev coj ua zoo tshaj no:
- Txiav Excess: Nco ntsoov xyuas txhua yam khoom siv elastic. Txiav nws yog tias tsim nyog. Qhov no tiv thaiv kev ua xua rau tus neeg mob daim di ncauj lossis ob sab plhu.
- Tuck Ends: Siv tus neeg tshawb nrhiav txhawm rau txhawm rau xoob xaus ntawm kev sib raug zoo. Qhov no ua rau lawv tsis tshua tau txais khoom noj. Nws kuj txo qhov khaus.
- Qhia cov neeg mob: Qhia cov neeg mob yuav ua li cas ntxuav ib ncig ntawm lawv cov braces. Piav tias zaub mov tuaj yeem ntes tau hauv kev sib raug zoo. Qhia kom lawv txhuam kom zoo.
- Tshawb xyuas Poky Parts: Khiav koj tus ntiv tes mus rau hauv cov brackets tom qab tso. Xav rau tej chaw ntse lossis poky. Kho lawv tam sim ntawd. Qhov no ua kom tus neeg mob xis nyob.
Zam kev yuam kev ntau nrog Orthodontic Elastic Ligature Ties
Koj yuav tsum kawm kom tsis txhob ua yuam kev thaum ua haujlwm nrog cov hlua khi. Cov yuam kev no tuaj yeem ua rau kev kho mob qeeb. Lawv kuj tseem tuaj yeem ua rau koj cov neeg mob tsis xis nyob. Kev nkag siab txog cov teeb meem no yuav pab koj muab kev saib xyuas zoo dua.
Qhov chaw tsis raug ntawm Orthodontic Elastic Ligature Ties
Koj yuav tsum tso elastic ties kom raug. Qhov chaw tsis raug tuaj yeem cuam tshuam kev kho mob. Piv txwv li, tej zaum koj yuav tsis tau tag lub khi. Qhov no txhais tau hais tias txoj hlua khi tsis zaum tob txaus hauv qhov bracket. Lub archwire yuav tsis ruaj ntseg. Qee zaum, koj tuaj yeem twist lub khi. Ib txoj hlua twisted siv tsis sib xws. Koj tseem tuaj yeem muab khi rau hauv qhov tsis ncaj ncees lawm bracket tis. Qhov no tiv thaiv kom raug kev koom tes ntawm archwire.
Cov kev ua yuam kev no ua rau cov hniav txav tsis zoo. Lawv kuj tuaj yeem ua rau tus neeg mob tsis xis nyob. Ib txwm saib xyuas koj txoj haujlwm. Siv koj tus thawj coj ligature kom ntseeg tau tias txoj hlua khi yog snug. Xyuas kom nws nyob ib puag ncig tag nrho plaub tis ntawm lub bracket. Lub archwire yuav tsum tau zaum ruaj rau hauv lub bracket slot.
Kev pheej hmoo ntawm kev quab yuam ntau dhau nrog Orthodontic Elastic Ligature Ties
Kev siv zog ntau dhau nrog kev sib txuas elastic yog qhov txaus ntshai. Tej zaum koj yuav overstretch lub khi. Lossis koj yuav xaiv ib txoj hlua khi uas me dhau rau lub bracket. Kev quab yuam ntau dhau tuaj yeem ua mob rau tus neeg mob cov hniav thiab cov pos hniav. Nws tuaj yeem ua rau hauv paus resorption. Qhov no txhais tau tias cov hniav hauv paus hniav shortens. Nws kuj tuaj yeem ua rau cov pob txha nyob ib puag ncig. Cov neeg mob yuav mob ntau dua. Paradoxically, lub zog ntau dhau tuaj yeem ua rau cov hniav txav qeeb. Lub cev xav tau sijhawm los kho cov pob txha.
Maj mam, tsis tu ncua quab yuam yog zoo dua. Ib txwm siv lubqhov loj khi.Siv cov kev sib txuas nrog txaus nro kom ruaj ntseg archwire. Tsis txhob rub txoj hlua khi nruj heev.
Ua kom muaj kev sib koom tes zoo Archwire nrog Orthodontic Elastic Ligature Ties
Kev sib koom ua ke ntawm archwire yog qhov tseem ceeb rau kev kho kom zoo. Lub elastic khi yuav tsum tuav lub archwire ruaj khov nyob rau hauv lub bracket qhov. Yog tias lub archwire tsis koom nrog, nws tuaj yeem plam. Qhov kev swb no txhais tau hais tias cov archwire tsis tuaj yeem xa cov rog kom raug. Koj txoj kev npaj kho mob yuav raug ncua. Cov hniav tuaj yeem txav mus rau qhov tsis xav tau.
Koj yuav tsum pom tseeb tias lub archwire zaum tob hauv qhov. Lub elastic khi yuav tsum qhwv ib ncig ntawm lub archwire. Nws yuav tsum rub lub archwire rau hauv lub bracket. Siv koj tus explorer maj mam thawb lub archwire rau hauv qhov chaw. Tom qab ntawd, khi nws nrog elastic khi. Qhov no ua kom cov archwire cov duab coj cov hniav txav tau meej.
Kev tuav Aseptic Technique rau Orthodontic Elastic Ligature Ties
Koj yuav tsum tau tswj hwm cov txheej txheem aseptic. Qhov no tiv thaiv kab mob hauv tus neeg mob lub qhov ncauj. Nws tiv thaiv koj thiab tus neeg mob. Yuav tsum hnav hnab looj tes huv si. Siv cov cuab yeej tsis muaj menyuam rau txhua tus neeg mob. Qhov no suav nrog koj tus thawj coj ligature thiab pliers. Khaws cov hlua khi rau hauv ib lub thawv huv, npog. Tsis txhob kov cov ties nrog ungloved tes. Yog tias txoj hlua khi ntog rau ntawm qhov chaw tsis muaj menyuam, muab pov tseg. Tsis txhob rov siv dua elastic ties. Ua raws li cov kauj ruam no txo qhov kev pheej hmoo ntawm kev kis kab mob. Nws ua kom muaj kev nyab xeeb thiab noj qab nyob zoo rau kev kho mob.
Kev daws teeb meem thiab kev saib xyuas ntawm Orthodontic Elastic Ligature Ties
Koj yuav ntsib cov xwm txheej uas xav tau kev daws teeb meem thiab kev saib xyuas. Paub yuav ua li cas daws cov teeb meem no pab koj coj koj cov neeg mob. Nws kuj ua kom muaj kev kho mob zoo.
Tswj Kev Sib Nraus lossis Dislodged Orthodontic Elastic Ligature Ties
Qee zaum, ibelastic khi tuaj yeem tawglos yog tawm los. Koj yuav tsum qhia koj cov neeg mob kom tiv tauj koj lub chaw haujlwm tam sim ntawd. Ib txoj hlua uas ploj lawm txhais tau hais tias lub archwire tsis tuav ruaj ntseg. Qhov no tuaj yeem ua rau cov hniav txav qeeb. Nws kuj tseem yuav ua rau cov xaim hloov. Yog hais tias ib tug xoob xaim pokes los yog irritates, qhia cov neeg mob siv orthodontic wax. Lawv tuaj yeem tso cov quav ciab hla qhov chaw ntse. Qhia meej tias lawv yuav tsum tsis txhob sim rov qab los yog tshem tawm txoj hlua khi lawv tus kheej. Kev hloov sai yog qhov tseem ceeb rau kev kho mob txuas ntxiv mus.
Kev Taw Qhia Tus Neeg Mob rau Kev Tu Qhov Ncauj Nrog Orthodontic Elastic Ligature Ties
Ntxuav cov hniav nrog elastic tiesyuav tsum tau siv zog ntxiv. Koj yuav tsum qhia koj cov neeg mob kom huv huv qhov ncauj. Qhia lawv kom txhuam tom qab txhua pluas noj. Lawv yuav tsum tau siv cov txhuam hniav mos-bristled. Qhia lawv yuav ua li cas ntxuav kom zoo ib ncig ntawm txhua lub bracket thiab khi. Pom zoo siv cov txhuam hniav interdental los yog cov xov paj ntaub. Cov cuab yeej no pab ntxuav hauv qab archwire thiab nruab nrab ntawm cov hniav. Kev tu cev zoo tiv thaiv cov plaque buildup. Nws tseem tso tseg cov kab noj hniav thiab cov pos hniav.
Hais Txog Tus Neeg Mob Tsis Txaus Siab los ntawm Orthodontic Elastic Ligature Ties
Cov neeg mob feem ntau hnov qhov tsis xis nyob tom qab hloov kho. Qhov no yog qhov qub. Koj tuaj yeem qhia cov tshuaj kho mob tom khw muag khoom. Ibuprofen lossis acetaminophen tuaj yeem pab tau. Qhia cov neeg mob kom siv cov quav hniav orthodontic yog tias cov hlua khi los yog cov xov hlau rub lawv ob sab plhu lossis daim di ncauj. Lawv tuaj yeem nias ib qho me me ntawm cov quav ciab mus rau qhov chaw khaus khaus. Qhia rau lawv kom tshaj tawm tej yam mob tsis tu ncua lossis mob hnyav. Tsis tas li ntawd, lawv yuav tsum tshaj tawm txhua qhov ntse, poking xov hlau. Qhia rau lawv tias qhov mob thawj zaug feem ntau ploj mus li ob peb hnub.
Kev xaiv kho mob thiab kev tswj hwm ntawm Orthodontic Elastic Ligature Ties
Koj txiav txim siab tseem ceeb txog kev sib txuas ntawm elastic ligature. Koj cov kev xaiv cuam tshuam txog kev kho mob. Nkag siab txog kev xaiv thiab tswj cov kev sib raug zoo no yog qhov tseem ceeb.
Matching Orthodontic Elastic Ligature Tie Hom rau Kev Kho Cov Hom Phiaj
Koj xaiv elastic ligature ties raws li koj cov hom phiaj kho. Standard ties ruaj ntseg archwire. Koj siv lawv rau kev sib haum xeeb. Lub zog chains siv lub zog tas mus li. Koj siv lawv los kaw qhov chaw nruab nrab ntawm cov hniav. Lawv kuj pab tig cov hniav. Piv txwv li, koj xaiv cov saw fais fab thaum koj xav tau rub cov hniav ua ke. Koj siv cov kev sib txuas ntawm tus kheej thaum koj tsuas yog yuav tsum tuav cov hlau hauv qhov chaw.
Cov yam ntxwv cuam tshuam rau Orthodontic Elastic Ligature Tie Choice
Ntau yam cuam tshuam rau koj xaiv ntawm elastic ties.
- Khoom siv: Koj xav txog kev xaiv latex lossis tsis yog latex. Ib txwm nug txog kev ua xua latex.
- Qib Zog: Cov kev sib txawv sib txawv muaj ntau qhov sib txawv. Koj phim lub zog rau cov hniav uas xav tau.
- Xim: Cov neeg mob feem ntau xaiv cov xim. Koj muaj ntau yam kev xaiv.
- Durability: Koj xaiv ties uas tuav lawv elasticity. Lawv yuav tsumtsis tawg sai sai.
Kev tswj kom zoo ntawm Orthodontic Elastic Ligature Ties hauv kev xyaum
Koj tswj koj cov khoom muag elastic khi zoo.
- Lub koom haum: Khaws cov hlua khi rau hauv cov thawv kom meej meej. Qhov no yuav pab koj nrhiav tau yam zoo sai sai.
- Tshuag: Khaws ib qho khoom zoo ntawm txhua hom thiab xim. Koj tsis txhob khiav tawm thaum lub sijhawm teem tseg.
- Kev Kawm Txog Tus Neeg Mob: Koj qhia cov neeg mob txog kev saib xyuas khi. Piav seb yuav ua li cas yog tias khi tawg. Qhov no txhawb kom lawv tswj lawv qhov ncauj noj qab haus huv.
Tam sim no koj nkag siab txog lub luag haujlwm tseem ceeb ntawm orthodontic elastic ligature ties. Mastering lawv daim ntawv thov yog qhov tseem ceeb rau kev kho kom zoo. Koj yuav tsum tsis tu ncua kawm thiab ua tib zoo saib xyuas kom meej. Qhov no ua kom cov neeg mob tau txais txiaj ntsig zoo. Koj cov txuj ci ncaj qha cuam tshuam rau cov hniav txav thiab cov neeg mob siab.
Cov Lus Nug Feem Ntau
Koj hloov elastic ties ntau npaum li cas?
Koj hloov elastic ties ntawm txhua lub sij hawm hloov. Qhov no tshwm sim txhua 4 mus rau 6 lub lis piam. Qhov no ua kom muaj zog sib xws thiab kev tu cev zoo.
Koj puas tuaj yeem noj ib txwm nrog elastic ties?
Koj tuaj yeem noj zaub mov feem ntau. Zam cov khoom uas nplaum los yog tawv heev. Cov no tuaj yeem rhuav lossis rhuav tshem koj cov elastic ties.
Yuav ua li cas yog ib tug elastic khi tawg nyob rau hauv tsev?
Tiv tauj koj tus kws kho hniav. Lawv yuav qhia koj. Tej zaum koj yuav xav tau teem sijhawm ua ntej dua rau kev hloov hniav.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-20-2025