Gutta-percha - it .. Intsingiselo yegama elithi "gutta-percha"

A izinto ezifana gutta percha ibhekisa iintlobo ngerabha nzima zendalo ingafumaneka imithi incindi uhlobo Palaquium, Isonandra kunye Dichopsis. Eli gama livela kwigama kwisityalo kulwimi Malay -. "Geyha-Persian", bona bubonakala 'latex isikhuseli " Gutta-percha - nto? Le isiphawulo kusetyenziswa ngokoqobo nangokomfuziselo.

Esuka kwindawo umbono zenzululwazi

Iyintoni na intsingiselo yegama elithi "gutta-percha"? Ukusuka apho umbono lwenzululwazi, le nto lahlelwa ngo-1843 kwaye wabhekisela thermoplastics lwendalo luncedo. Kwisiqingatha sesibini senkulungwane XIX, gutta-percha esetyenziselwa iinjongo ezahlukeneyo zasekhaya kunye nezoshishino.

Ingakumbi, le nkcazelo iye efunekayo njenge zokwambathisa ukuba iintambo yocingo ngaphansi eziphathekayo. Kudala phambi kokuba gutta-percha yaqaliswa ehlabathini Koloni, oko kusetyenziswa uhlobo oluthile ngaphantsi alungiswa abantu bendawo Malaysian Archipelago ngokwenza nezibambo iintshengece, uthabathe kunye nezinye iinjongo.

NgumLungu wokuqala ukuba athole le ndaba uYohane uYohane wathi wafumana kwiMpuma Ekude ngo-1656. Walibiza "ehlathini Mather." UGqr uWilliam Montgomery, igosa lonyango yenkonzo Indiya, savelisa gutta-percha ibe ukusetyenziswa ngokukuko West. Yena kuqala waqaphela isakhono le ndaba amayeza, kwaye ngo-1843 waza wanikwa iMbasa ye Molteno Gold of the Royal Society of Arts eLondon.

gutta-percha umthi

E Malaysia, umthi waziwa ngokuba "Taban", yaye apho abantu bebefudula basebenzisa incindi lukhuni ( "khans") ukuze kwenziwe ezinye izinto ezifana isingatha sibumba Isixhobo neemela. Le latex zendalo, ekwabizwa ngokuba gutta-percha, yimveliso ebaluleke kakhulu.

imithi gutta Palaquium bekhula ubude 5-30 m kwaye ngokuqhelekileyo ububanzi of 1.5 m. Evergreen amagqabi, eneSandi okanye zicwangciswe ngendlela uwele, ngendlela elula, omnye-sifuba, nama-8-25 cm ngalinye ubude. Aluhlaza ziyabuyiseleka ngasentla yaye ngokufuthi yellow okanye glaucous ngezantsi.

Flowers kuvela yangamacandelo ezincinane kunye neziqu, intyatyambo ngamnye Corolla emhlophe-usapho amane (ngokubanzi ezintandathu) sibheqwayo ezibukhali. Isiqhamo ke berry ovoid 3-7 cm ububanzi, equlethe ukusuka kwelinye ukuya ezine imbewu. Kwiintlobo ezininzi, oko ayinakutyiwa.

E Australia, lo percha gutta - igama eliqhelekileyo, esetyenziswa ngokukodwa ibe ziinkuni Excoecaria parvifolia, nto leyo enika enuka kamnandi, ihlathi enzima limnyama. Kwakhona ngokuba "ezinde esemantla." Olu hlobo ethile sinxulumana Palaquium lweenkobe.

Ukusuka kwindawo eekhemikhali umbono

Gutta-percha Kuthetha ukuthini? Ngengqiqo emitsha kuyo - eyenziwe gutta-percha. Enjani meteriall ukusuka kwindawo chemical mbono? isakhiwo yawo a latex okanye elastomer Polymer ukusuka isoprene okanye polyisoprene. Nangona rubbers latex ezi amorphous kubume eziphilayo, guttapercha (transstruktura) acacisa, nto leyo ekhokelela ukuba uzinzo esinzima. Gutta-percha - yi isoprene Polymer leyo ithambe xa itshiswa lula ukubunjwa ibe iimilo ezahlukeneyo ngco eneenkcukacha.

Sebenzisa izitho

Le bioinertsiya efanayo owenza gutta percha efanelekileyo iintambo zaselwandle, nokufuya iinjongo zonyango, elileli: bamazinyo. Le nto lisetyenziswa kwizixhobo ezininzi zotyando kunye kweengcambu therapy (obturation okanye avale isithuba esingenanto ngaphakathi ingcambu izinyo emva kokuba uye unyango endodontic). iipropati yaso emzimbeni imichiza, kuquka inertness kunye biocompatibility, indawo yokunyibilika, ductility kunye malleability, iyenza ebalulekileyo endodontics.

ukusebenzisa zembali

Njengoko eziphilayo egalelwe kwaye sizinzile, olu hlobo omthi yokwambathisa lombane elungileyo kunye rhoqo eliphezulu Heating. Ehlathini kweentlobo ezininzi nazo. iimpawu zomhlaba yaseNtshona gutta-percha zibonakala kuphela ngo-1842, nangona aBemi malayan yobulali esetyenziselwa yona kangangeenkulungwane. Ukuba uvumela ulwelo (juice) ukuba ngumphunga ze yivala elangeni, ke yona Latex nzima, nto leyo kwakhona ukuba bhetyebhetye xa itshiswa, kodwa hayi ntlanzi, ngokungafaniyo irabha, wafumana phambi kokufunyanwa yokuhlanganisa.

Ngo-1845, i-UK wavelisa iingcingo kusungulwe, zigqunyiwe kunye gutta-percha. Latex waba izinto zokwambathisa ukuba iintambo ngwenya yocingo yokuqala, kuquka yokuqala kusungulwe intambo Intambo. Gutta-percha yaba ingakumbi ezifanelekileyo le, kuba akukho uhlaselwa izityalo nezilwanyana okanye izilwanyana eziye sonakaliswe iintambo ngwenya yangaphambili.

Le nkcazelo yaba ingxenye enkulu Chatterton compound isetyenziswe njengento sealant zokwambathisa ngenxa yocingo kunye nezinye iintambo zombane. Ukususela ngowe-1930 goda polyethylene lenkosikazi gutta-percha njengento yokwambathisa sombane.

Phakathi kwinkulungwane XIX, gutta-percha lwalusetyenziswa ukwenziwa ifenitshala, ingakumbi, inkampani "Gutta-zakhele", owasekwa ngo-1847. Xa itshiswe, lo eziphathekayo ukubunjwa ibe ifanitshala, izivatho okanye impahla. Ezinye zezi iziqwenga zokuhombisa ngesimbo ngokutsha zaye owaboniswa lo Mboniso Enkulu ngowe-1851 e-Hyde Park eLondon.

ukusetyenziswa lwangoku

Kwakhona sasetyenziswa ukwenziwa ubucwebe zokuzila, kuba bekumnyama kwaye lula labunjwa amaso okanye ezinye iimilo. Ivolovolo ukubambelela negxalaba zithe Wazenza gutta-percha, nto leyo wabanika amandla ixesha elide. Golf ibhola guttie, ngubani waba eqinileyo engundoqo gutta-percha, wenza revolution wokwenene mdlalo.

Le izinto wahlala imveliso woshishino omkhulu kwinkulungwane yamashumi amabini; kodwa kamva eyaba ngcembe indawo izinto ezibalaseleyo zokwenziwa esemgangathweni. Nangona imbali yayo emide, lo percha gutta isasetyenziswa nangoku namhlanje. oogqirha bamazinyo Modern kuqhubeka ukulusebenzisa zokugcwalisa misele ingcambu.

"Gutta-percha": Ixabiso

Yintoni na le nto? Ngoko ke, ngokoqobo guttaperchivye - yenziwa gutta-percha (zerabha zendalo). Ngengqiqo yokomfuziselo, eli gama liye Ndizuze ixabiso enxulumene bungqingqwa kunye luthambe. Ngokumalunga kwinkcazelo abantu baqala ukusetyenziswa, kwaye iye yaba igama nendlu emva ukubhala D. V. Grigorovichem ibali lakhe buhlungu "gutta-percha boy".

Oku ebuhlungu ibali inkwenkwe, isekisi, malunga apho kuthiwa ukuba ithe ayaba amathambo, bhetyebhetye yaye sigqadaza nje yena. Ukususela ngoku, abantu ekuthiwa gutta-percha - ukuba iimbaleki a elula elungileyo. Oku kuphunyezwa yi uqeqesho elide. Gutta-percha umfazi - owenza umthambo, andinakukwazi ukusukuma ngezinto zakho emangalisayo umzimba.

gutta-percha iqinelwa

Gutta-percha Kuthetha ukuthini? Eli gama ngoku kakhulu nendlela kunye slang nolutsha ithetha bhetyebhetye, ezintle, zezintlu. Xa sikhumbula amazwi ale ngoma imvumi Bianca - "Gutaperchevoy iqinelwa sikule" Iarfor "(club ubusuku) ...".

Apha esinayo engqondweni hayi elastic kakhulu kwaye bhetyebhetye nje ethambileyo, kwaneso ubukeka. Uyakwazi maxa wambi ukuva umntu ukuba yena nguye guttaperchivaya. Oku kuthetha ukuba bhetyebhetye nokuba sexy. Nangona ukuba kwixesha elidlulileyo eli gama ezinxulumene ngerabha kwaye umthambo, ngoku ke kwakhona nelithi ngesondo.

nezimo Amazing

Gutta-percha - emangazayo bhetyebhetye, iplastiki, nokufumana ithuba sigobe kumacala ahlukeneyo, kwaye ngaphandle kokuphazamisa impilo yabo. Oku kusoloko kubonakala isekisi. Ngezi amanani abantu gutta-percha, umthambo kunye kaClark nokonyuka bhetyebhetye umzimba, kubabukeli mihle kunye plasticity yalo emangalisayo.