Tshem tawm cov pob txha rau lub puab tsaig sab: hom, nta ntawm kev saib xyuas thiab duab

Cov txheej txheem:

Tshem tawm cov pob txha rau lub puab tsaig sab: hom, nta ntawm kev saib xyuas thiab duab
Tshem tawm cov pob txha rau lub puab tsaig sab: hom, nta ntawm kev saib xyuas thiab duab

Video: Tshem tawm cov pob txha rau lub puab tsaig sab: hom, nta ntawm kev saib xyuas thiab duab

Video: Tshem tawm cov pob txha rau lub puab tsaig sab: hom, nta ntawm kev saib xyuas thiab duab
Video: 6 Nqi Lus Qhia Kev Ua neej ( leej twg mloog lub neej yuav zoo tuaj) 2024, Lub Xya hli ntuj
Anonim

Yog tias cov hniav poob lossis tag nrho cov kab, cov hniav tshem tau siv tau. Qhov kev tsim kho hniav no yog siv rau lub puab tsaig sab sauv thiab sab qis. Qhov yooj yim ntawm cov cuab yeej yog raws li qhov tseeb tias tus neeg mob tuaj yeem kho nws tus kheej thiab tshem tawm mus rau kev saib xyuas. Cov yam ntxwv ntawm cov hniav uas tshem tau rau lub puab tsaig qis tau piav qhia hauv kab lus.

Vim li cas thiaj yuav tsum tau siv prosthetics?

Prosthetics yuav tsum tau nruab rau cov laj thawj hauv qab no:

  1. Kev puas siab puas ntsws. Ib tug neeg yuav tsum sib txuas lus nrog cov txheeb ze, phooj ywg, cov npoj yaig. Thaum tsis muaj hniav, kev ntseeg tus kheej txo qis, kev nyuaj siab thiab kev puas siab puas ntsws tshwm sim.
  2. Lub ntsej muag hloov pauv. Thaum ib tug hniav ploj lawm, cov pob txha nyob rau hauv nws qhov chaw tsis muaj zog thiab yog absorbed. Maj mam, qhov no ua rau muaj kev hloov pauv ntawm lub ntsej muag. Piv txwv li, daim di ncauj thiab ob sab plhu tog.
  3. Speech disorder. Qhov teeb meem no tshwj xeeb tshaj yog pom thaum tsis muaj cov hniav pem hauv ntej, vim lawv koom nrog hauv kev sib txuas lus.
  4. Curvature of teeth. Poob cov hniav vim occlusionkaw cov hniav sab sauv thiab sab qis. Qhov no kuj tau pom nrog ib qho tsis xws luag. Lub koom haum tawm tsam poob nws qhov taw qhia thiab txav mus tom ntej. Cov hniav nyob ib puag ncig xav nyob hauv thaj chaw so.
  5. teeb meem digestive. Lub plab zom mov raug kev txom nyem los ntawm qhov tseeb tias vim tsis zom cov hniav, cov zaub mov tsis zoo digested. Thaum tsis muaj cov hniav ntau, cov khoom noj uas xav tau rau kev ua haujlwm tag nrho ntawm lub cev txo qis.
tshem tau prosthesis rau lub puab tsaig sab
tshem tau prosthesis rau lub puab tsaig sab

Kev qhia

Tshem tawm lub puab tsaig sab qis yog siv thaum:

  • pom qhov tsis txaus, tsis muaj ob peb chav lossis tag nrho cov koob;
  • tsis tuaj yeem txhim kho cov khoom siv ruaj khov;
  • splinting ntawm cov hniav thaum lawv loosened;
  • kab mob periodontal;
  • ntsuas kev zoo nkauj ib ntus.

Nyob rau hauv cov xwm txheej zoo li no, tus qauv tsim yuav daws qhov teeb meem ntawm cov hniav ploj. Feem ntau nws xav tau los ntawm cov neeg laus. Txawm hais tias nws tsim nyog rau kev txhim kho qhov tshem tawm ntawm lub puab tsaig sab hauv ntawm qhov cog los yog tsis, tus kws kho hniav yuav tsum txiav txim siab.

YContraindications

Nylon prosthesis tsis tuaj yeem siv rau cov pos hniav mob hnyav, nce kev txav ntawm cov pos hniav, kab mob, mob hniav, qhov siab qis. Acrylic kev tsim kho tsis tuaj yeem siv rau hauv cov ntaub ntawv tsis haum rau ib qho ntawm cov khoom siv. Nws feem ntau tshwm li:

  • hloov pauv hauv kev hnov qab;
  • hluas, qhov ncauj qhuav;
  • pom kev khaus ntawm cov pos hniav, mucous membrane ntawm tus nplaig.

Thaum hnav lub prosthesisdawb monomers raug tso tawm los ntawm acrylic, uas tuaj yeem ua rau cov tshuaj tiv thaiv zoo sib xws. Yog tias kuaj pom, koj yuav tsum hu rau koj tus kws kho hniav. Acrylic prosthesis tsis haum rau lub suab gag reflex.

Production

Ua ntej koj yuav tsum mus ntsib kws kho hniav. Tus neeg mob yuav tsum tau kuaj xyuas kom tus kws kho mob paub nws tus kheej nrog cov ntaub ntawv thiab xaiv cov qauv tsim. Tom qab ntawd, raws li cov duab ntawm lub cam khwb cia, ib tug workpiece yog ua. Tom qab haum, nws yog kho ntau precisely thiaj li hais tias tus tsim haum lub anatomical nta. Tom qab ntawd, siv cov kev txwv ntawm cov khoom ua haujlwm, ib qho khoom siv tau tsim hauv chav kuaj hniav siv cov khoom uas tus neeg siv tau xaiv.

tshem tau cov hniav cuav rau lub puab tsaig qis
tshem tau cov hniav cuav rau lub puab tsaig qis

Thaum cov khoom tsim, nws raug ntsuas. Tus neeg mob yuav tsum hnav nws rau ib hnub. Yog tias tsim nyog, koj yuav tsum mus ntsib kws kho mob. Yog tias qhov tseem ceeb yog tsim rau ntawm qhov chaw, ces cov hniav feem ntau raug txiav txim los ntawm lwm lub teb chaws. Lawv raug xa los ntawm lub teb chaws Yelemees, Nyiv.

Lub teb chaws ntawm keeb kwm cuam tshuam rau qhov zoo. Thaum piv nrog pheej yig analogues, lub sij hawm ntawm imported sawv daws yuav ntev dua. Txawm hais tias tus prosthesis yog qhov tseeb, nws yuav tsum tau kho. Lub puab tsaig hloov, cov pob txha yuav thinner. Txhawm rau tiv thaiv lub siab ntawm cov yas los yog hlau ntawm lub mucosa, txoj hauj lwm meej yuav tsum tau kho. Qee zaum yuav tsum tau kho. Nws yog tsim nyob rau hauv tib lub chaw kuaj hniav uas tsim cov khoom.

Ntse

Tshem tawm cov khoom siv rau lub puab tsaig sab hauv tuaj yeem siv tau yog tias muaj qhov tsis zoo ntawm ntau qhov chaw kho hniav. Lawv kuj xav tau rau adentia (ua tsis tiav). Ua ntej installation, cov yam ntxwv anatomical yuav tsum raug coj mus rau hauv tus accountlub puab tsaig qis. Cov pob txha muaj zog vim yog qhov tsim tawm tau ruaj khov dua thiab tsis sag.

Cov pob txha pob txha loj dua qhov siab piv rau lub puab tsaig sab sauv. Lub xub ntiag ntawm frenulum nyob rau hauv tus nplaig txo qhov ceev ntawm fixation ntawm lub prosthesis thiab tsim inconvenience thaum siv cov khoom. Prosthesis muaj peev xwm txav tau vim yog lub siab ntawm lub puab tsaig thiab tus nplaig, uas ua rau pom qhov tsis xis nyob. Functionality thaum lub sij hawm prosthetics yog qhov tseem ceeb tshaj qhov zoo nkauj.

Tshem tawm cov hniav cuav rau lub puab tsaig sab hauv yog muab faib ua ntau hom. Kev xaiv ntawm kev tsim yog nyob ntawm qhov loj ntawm qhov tsis zoo. Prosthetics yog ua nrog ib nrab thiab ua tiav cov hniav. Yuav ua li cas tshem tau prosthesis ntawm lub puab tsaig qis zoo li muaj nyob rau hauv daim duab.

Txhua hom hniav hniav

Tshem tawm prosthesis rau lub puab tsaig qis yog yuav tsum tau ua tiav ntawm cov hniav. Lub kaw lus yog tsim los ntawm cov ntaub ntawv polymeric (feem ntau yog siv cov yas). Lub luag haujlwm tseem ceeb ntawm cov khoom siv no yog txhawm rau txhawm rau zom thiab hais lus ua haujlwm.

Tus tsim yog tsau rau ntawm cov pos hniav nrog cov nplaum tshwj xeeb. Tam sim no lawv siv Akri Free li, uas muaj cov khoom zoo nkauj thiab siv tau ntev (los ntawm 5 xyoos). Qhov tsis zoo ntawm cov hniav uas tshem tau rau lub puab tsaig qis muaj xws li:

  • siv tas li ntawm cov nplaum rau kev kho;
  • kev quav tshuaj ntev;
  • kev ua txhaum cai;
  • yuav tsis xis nyob thiab tsis xis nyob thaum hnav;
  • tsis muaj peev xwm noj zaub mov;
  • kev nyiam huv siab;
  • mus ntsibTus kws kho hniav tswj thiab ntxiv dag zog rau cov pob qij txha.

Los ntawm qhov zoo, ib qho tuaj yeem tawm qhov zoo nkauj zoo nkauj, ua haujlwm ntev, kev nyab xeeb thaum siv. Kuj tsis muaj kev txwv rau lub hnub nyoog ntawm cov neeg mob. Ntxiv rau qhov ua kom tiav cov hniav tshem tawm rau lub puab tsaig sab hauv, kuj tseem muaj ib nrab.

Partial

Ib feem tshem tau cov prosthesis rau lub puab tsaig qis yog siv thaum tsawg kawg yog ob peb chav nyob hauv kab hauv qab. Lawv yog cov ntsiab lus thauj tog rau nkoj. Nws yog qhov zoo dua los xaiv cov hniav uas tshem tau cov hniav.

ib feem tshem tau prosthesis ntawm lub puab tsaig sab
ib feem tshem tau prosthesis ntawm lub puab tsaig sab

Bugel

Qhov no yog qhov zoo tshaj plaws tshem tawm cov pob txha caj dab rau lub puab tsaig. Qhov tseem ceeb yog siv nws kom raug. Xws li cov hniav tshem tawm ib nrab rau lub puab tsaig sab hauv muaj cov phaj puag, cov hniav cuav thiab cov ncej hlau. Lub hauv paus ntawm qhov kawg yog:

  1. Ntxawm. Nws tuav lub hauv paus thiab faux units.
  2. Txhawb nqa cov khoom lag luam. Cov no yog clasps, attachments los yog telescopic crowns.
  3. Kev sib txuas arc. Nws muab kev kho kom zoo ntawm cov khoom txhawb nqa thiab lub eeb.

Qhov kom zoo dua ntawm cov cuab yeej yog tib yam kev faib tawm ntawm cov khoom thauj ntawm qhov zom zom. Qhov no yog ua kom ntseeg tau los ntawm lub eeb, uas yog qhov tsim nyog los hloov siab tshaj plaws rau cov pob txha cov ntaub so ntswg, cov pos hniav thiab cov chaw txhawb nqa. Lub xub ntiag ntawm arcs pab tswj nws qhov loj me. Vim li no, lub kaw lus yog compact thiab yooj yim.

prosthesis txo cov hniav tshem tawm lub puab tsaig
prosthesis txo cov hniav tshem tawm lub puab tsaig

Lub arc ntawm cov prostheses tsuas yog ib feemkaw lub palate thiab sublingual qhov chaw, yog li tus neeg mob yuav tsis muaj impaired diction thiab zom muaj nuj nqi. Kev hnov mob tau tswj xyuas thaum noj mov, thiab lub sijhawm kev quav tshuaj txo qis.

Rau lub puab tsaig tshem tau, cov hniav ntawm cov hniav qis sib txawv ntawm txoj kev kho. Cov txheej txheem raug kho nrog kev txhawb nqa-tswj clasps. Qhov kom zoo dua yog qhov zoo fixation, uas yog ua los ntawm ib tug nruj girth ntawm cov kev pab kho hniav units thiab ib tug uniform tis ntawm loads nyob rau hauv lub puab tsaig. Qhov no fixation yog siv raws li ib tug splinting system. Qhov downside yog pom thaum sib tham thiab luag ntxhi.

Muaj lub xauv tsim. Qhov mount no tso cai rau koj kho nws nrog cov khoom zoo, nws muaj cov khoom zoo nkauj zoo nkauj, ua haujlwm ntev thiab pom tsis pom thaum sib tham. Qhov tsis zoo yog qhov nyuaj ntawm kev hloov lub xauv thaum tawg.

Cov khoom siv tuaj yeem kho nrog lub ntsej muag telescopic. Kev ntseeg tau suav tias yog ib qho ntxiv ntawm kev tsim. Cov yas no suav nrog 2 ntu:

  1. Tshem tawm. Tsau rau hauv paus.
  2. Kho. Txuas rau chav txhawb nqa.

Prosthesis "Quadrotti"

Qhov no tshem tau lamellar prosthesis rau lub puab tsaig qis yog suav tias yog ib hom ntawm cov qauv clasp. Qhov sib txawv yog siv cov khoom siv (feem ntau yog txhaj tshuaj molded yas). Vim qhov tsis muaj hlau, cov cuab yeej zoo ib yam li cov ntaub so ntswg ntawm lub qhov ncauj. Lub kaw lus suav tias hloov pauv tau thiab hloov mus rau qhov sib txawv anatomical deficiencies.

Qhov zoo ntawm cov hniav uas tshem tau "Quadrotti" suav nrog:

  • tsis tas yuav npog cov hniav nrog cov yas, uas yog kev txhawb nqa rauprosthesis;
  • flexibility;
  • softness ntawm kev cuam tshuam ntawm cov pos hniav thiab cov ntaub so ntswg;
  • tsis muaj kev ua txhaum cai thaum hnav prosthesis;
  • haum rau cov neeg uas nws txoj haujlwm cuam tshuam nrog kev ua kis las lossis raug mob.

Raws li daim duab, tshem tau cov hniav cuav rau lub puab tsaig sab qis muaj qhov zoo sib xws. Qhov tseem ceeb tshaj plaws yog ua raws li cov cai ntawm lawv txoj haujlwm txhawm rau txhawm rau txuas lub neej kev pabcuam. Tom qab ntawd cov qauv tsim yuav yog tus pab txhim khu kev qha.

Nyob implants

Cov prostheses no hu ua conditionally tshem tau los yog tsis tshem tau vim lawv muaj zog fixation ntawm implants. Nws yuav muaj peev xwm tshem tawm lawv, tab sis nws yog ib qho tsim nyog yuav tau ua cov txheej txheem yam tsis muaj kev pheej hmoo nrog kws kho mob. Ua haujlwm ntawm koj tus kheej tuaj yeem thim rov qab.

Siv txoj hauv kev no thaum muaj kev ntxhov siab. Qhov kom zoo dua yog kev kho kom zoo thiab qhov tsis muaj qhov xav tau siv ntxiv txoj kev fastening. Tab sis nws nyob ntawm seb qhov kev cog qoob loo twg raug xaiv. Yog tias cov no yog cov kev tsim kho me me, ces nws yog qhov zoo dua los siv lawv ua ib ntus, nruab nrab kev xaiv rau kev rov ua kom lub ntsej muag luag ntxhi.

Muaj pob txha nyob rau hauv cov khoom uas yuav atrophy. Thiab yog hais tias ib-zaj dab neeg implantation nrog ib tug prosthesis load yog xaiv, ces lub ntxim nyiam ntawm ib tug luag ntxhi thiab tsis muaj teeb meem rau ntau xyoo tom ntej yog muab yog hais tias koj hu rau ib tug kws.

Yuav xaiv dab tsi?

Thaum daws qhov teeb meem no, qhov xwm txheej ntawm cov pos hniav thiab cov hniav, lawv tus lej raug coj mus rau hauv tus account. Yog tias tsis yog tag nrho cov chav nyob poob, ces xaiv tus qauv tsim. Nws yog xis, muaj zog, ruaj thiab hnav. Nrog ua tiav cov hniav tsis zoo, nws yog qhov zoo dua los xaiv cov hniav nyiaj hniav kub ua los ntawm nylon thiab acrylic. Nylon yog hloov tau ntau dua thiabruaj, tab sis acrylic khaws nws cov duab zoo dua. Nylon yog huv si dua. Nws tsis tuaj yeem nqus cov ntxhiab thiab noo noo. Acrylic nto feem ntau ua rau mob.

ua kom tiav tshem tau prosthesis ntawm lub puab tsaig sab
ua kom tiav tshem tau prosthesis ntawm lub puab tsaig sab

Cov xim thiab cov duab ntawm cov hniav hniav yuav luag zoo ib yam rau cov hniav ntuj. Tab sis lub hauv paus ntawm cov hniav tuaj yeem ci los ntawm nylon, acrylic yog qhov zoo dua rau qhov no. Tab sis nws feem ntau ua rau kev ua xua, khaus khaus. Nylon tsis tshua muaj tshwm sim tsis zoo. Cov khoom siv acrylic yog pheej yig dua li nylon. Thaum xaiv cov hniav hniav, koj yuav tsum coj mus rau hauv tus account cov lus pom zoo ntawm tus kws kho hniav.

Price

Tus nqi ntawm cov qauv yog txiav txim los ntawm cov khoom siv hauv kev tsim khoom. Tus nqi ntawm nylon tag nrho cov khoom yog siab dua piv rau acrylic. Tus nqi ntawm cov hniav hniav ib nrab kuj cuam tshuam los ntawm qhov zoo ntawm cov hniav cuav.

Tus nqi kim tshaj yog cov khoom uas muaj cov hniav tuaj. Lawv tus nqi yog hais txog 70 txhiab rubles. Ib feem ntawm cov khoom zoo no raug nqi 19-27 txhiab rubles, txhua yam nyob ntawm tus naj npawb ntawm cov hniav cuav. Tus nqi ntawm ib tug prosthesis rau 1 hniav yog los ntawm 3 txhiab rubles, rau 2 - ntau tshaj 5.5 txhiab rubles. Nrog rau kev tsim kho nylon tag nrho, tus nqi yog 25 txhiab rubles.

Qhov zoo thiab qhov tsis zoo

Qhov txiaj ntsig ntawm prostheses suav nrog:

  • khaws cia ntawm zom ua haujlwm;
  • natural looks;
  • teeb pom kev zoo ntawm prosthesis;
  • kev txhim kho thiab tsis muaj hniav.

Qhov tsis zoo suav nrog tsuas yog tus nqi siab thiab tsis tshua muaj cov khoom siv tsis haum. Nrog kev saib xyuas kom raug, cov qauv tuaj yeem nyob tau ntau xyoo.

Kev hloov pauv

Thaum xaiv hom prosthetics, tus kws kho mob muab cov lus pom zoo rau tus neeg mob siv. Lawv kev ua raws cai tso cai rau koj txo lub sijhawm ntawm kev quav tshuaj. Lub sijhawm hloov kho nyob rau hauv txhua rooj plaub sib txawv - los ntawm ib hlis mus rau ib xyoos.

Acrylic tshem tau cov hniav cuav rau lub puab tsaig qis yog suav tias yog lub cev txawv teb chaws hauv lub qhov ncauj. Yog li ntawd, txawm tias nrog cov khoom zoo, qhov kev xav tsis xis nyob thaum hnav tsis suav nrog. Nws yuav tsum tsis yog tsuas yog kev tsim kho kom zoo xwb, tab sis kuj muaj lub xeev puas siab ntsws.

tshem tau prosthesis ntawm lub puab tsaig sab hauv daim duab
tshem tau prosthesis ntawm lub puab tsaig sab hauv daim duab

Yog qhov mob tshwm sim ib ntus thaum hnav cov khoom, koj yuav tsum sab laj nrog koj tus kws kho mob kom tshem tawm cov teeb meem. Ua ntej ntawd, koj yuav tsum ua raws li qee cov cai. Ua ntej mus ntsib kws kho hniav, cov pob qij txha yuav tsum nqa li 5 teev. Qhov no yuav tsim kom muaj kev mob hauv zos.

Koj yuav tsum tsis txhob kho cov teeb meem hauv cov khoom koj tus kheej, kho nws tus kheej. Cov kev ua no tuaj yeem cuam tshuam cov qauv thiab ua rau nws siv tsis tau. Yog tias muaj kev hloov pauv trophic hauv qhov ncauj mucosa, kev kho tus kheej tsis tsim nyog. Koj yuav tsum hu rau koj tus kws kho hniav kom paub qhov ua rau. Tus kws kho mob yuav tsum tau kuaj xyuas seb qhov kev hloov pauv puas cuam tshuam txog kev hnav ntawm lub cev lossis yog tias cov kab mob no sib xyaw ua ke.

Kev ua haujlwm

Raws li kev tshuaj xyuas, lub puab tsaig sab hauv lub puab tsaig tshem tau tuaj yeem siv sijhawm ntev nrog kev siv kom raug. Txhawm rau txo lub sijhawm nyob thiab txuas ntxiv lub neej kev pabcuam, cov lus pom zoo hauv qab no yuav tsum tau ua raws:

  1. Nyiam noj mov thiabzom nws kom zoo, sib npaug faib cov khoom ntawm lub puab tsaig qis thaum zom.
  2. Thawj zaug koj yuav tsum tsis txhob tshem cov khoom ua ntej yuav mus pw. Kev tua kab mob sib sib zog nqus kuj tau ua thaum nruab hnub.
  3. Ua raws li cov cai ntawm kev tu lub qhov ncauj yuav tsum tau ua. Koj tuaj yeem siv tsis tau tsuas yog txhuam hniav mos xwb, tab sis kuj siv tshuaj tua kab mob los ntxuav koj lub qhov ncauj tom qab txhua pluas noj.
  4. Txhawm rau kom kho tau zoo thiab tiv thaiv kom tsis txhob ntog, koj yuav tsum yuav cov tshuaj nplaum tshwj xeeb lossis cov tshuaj nplaum. Cov tshuaj no tsis irritate mucous daim nyias nyias thiab muaj ib tug me me ntawm contraindications.
  5. Nyeem kom nrov nrov ntau zaus yog qhov kev tiv thaiv tiv thaiv kev hais lus.

Txoj kev saib xyuas

Mandibular prostheses xav tau kev saib xyuas zoo. Cov kev cai huv huv yog yooj yim, tab sis lawv yuav tsum ua raws li txhua hnub. Thaum sawv ntxov, cov khoom raug ntxuav. Ua li no, koj xav tau ib tug txhuam hniav mos thiab tshwj xeeb sparing pastes.

Tom qab ntxuav, cov tshuaj nplaum ntxiv yog ntxuav tawm nrog dej sov (kub tsis tshaj 40 degrees). Cov txheej txheem no yuav tsum tau ua ua ntej mus pw. Thaum nruab hnub, cov khoom tau yaug nrog dej sov yam tsis tas siv cov tshuaj tua kab mob, vim lawv tuaj yeem cuam tshuam rau cov qauv thiab cov tsos ntawm cov pob qij txha.

zoo tshaj plaws tshem tawm prosthesis rau lub puab tsaig sab
zoo tshaj plaws tshem tawm prosthesis rau lub puab tsaig sab

Ib hnub twg koj yuav tsum tau siv cov tshuaj tua kab mob los kho cov pob qij txha. Ua li no, cov qauv yog immersed nyob rau hauv cov tshuaj rau 30 feeb thiab ces yaug nrog dej sov. Nws yog ib qho tsim nyog los tiv thaiv cov qauv ntawm kev puas tsuaj tshuaj lom neeg thiab kev ntxhov siab.

Thaumkev tsim ntawm qhov tsis xws luag, koj tsis tuaj yeem kho cov prosthesis ntawm koj tus kheej, koj yuav tsum sab laj nrog tus kws kho mob tshwj xeeb. Tsawg kawg ib zaug txhua rau lub hlis, tus qauv raug muab rau kev tiv thaiv rau lub chaw kuaj hniav, qhov twg nws siv nws daim ntawv qub.

Yog li tam sim no muaj ntau hom prosthetics. Kev xaiv yog ua los ntawm lub hauv paus ntawm cov yam ntxwv anatomical ntawm lub puab tsaig qis, qhov taw qhia, tus nqi thiab cov kev xav tau rau cov tsos. Nws yuav tsum tau nco ntsoov tias txawm hais tias cov qauv tsim tau zoo, koj yuav tsum ua raws li kws kho hniav cov lus pom zoo rau kev siv thiab kev saib xyuas. Tom qab ntawd nws yuav yooj yim dua los hloov lub sijhawm ntawm kev quav tshuaj thiab tiv thaiv kev tawg.

Pom zoo: