HauoraStomatology

Niho tuaki i raro i cermets: āhuatanga hangarau

prosthetics niho i roto i te niho hou he tūranga motuhake, me te tino nui. I muri i te katoa, o ratou kino, me te mate muri kahore tetahi he ārai. I teie mahana, tuku te ahumahi niho he momo nui o kōwhiringa prosthetic. niho tuaki i raro i cermets e te ite kua etahi rerekētanga i te tukatuka hoki i ētahi atu momo o te karauna tetahi o nga kōwhiringa tino rongonui. Ko te meka e niho more tenei tikanga pararopi fakatahai hua pai rerehua, tika, mauroa me te cheapness whanaunga.

Special anga whakarewa, kīnaki nei te tikanga te pūtake o taua paraire, me te fariiraa i te kawenga matua i roto i te mahi o te niho i te rauemi uku, e mahi ana matua he mahi rerehua. Na ka mea ahau āhua, e, pea, ko te pakarukaru tino me e pängia ana ki te ino tere i roto i to tatou tinana te niho. Cermet, whakaaro nei ko te tino pono, me te roa hangarau o prosthetics tenei ra, e taea e pai whakatika tenei āhuatanga.

Niho more te tikanga prosthesis me karauna whakarewa-uku, i roto i ngā, tā etahi whakangungu tuatahi i huaina tuaki. I muri me āta rite te kōhao-waha mō te tukanga taua. Tuakitanga o nga niho i raro i te cermet roaa te maha o ngā āhuatanga e pā ana ki te tahi mau whakaritenga atu mō tenei niho more tikanga.

Na roto i te paerewa niho hou me kia iti matotoru taea o te anga whakarewa 0.3 mm, me te kore ko te paparanga uku iti iho i te 0.8 mm. Na roto i te mahi tauhanga ohie ohie e taea te whakatau i te matotoru o te kounga, paraire roa e ōrite i te iti rawa 1.1 mm. tikanga tuakitanga o te niho i raro i te cermet te ki te whakarato i te tawhā tika.

whaia e taua tukanga faaineineraa tētahi atu whakaaro, - hoatu nga taiepa o te parallelism tino niho hiahiatia mō te whai pono ki te karauna (tokonga whakaaetia - 7 anake%). Kore, i te reira e kore noa e taea e kakahu. Ko te wāhi matua, te faaineineraa niho motuhake i raro i cermet, ko te hiahia ki te waihanga i tētahi papa waha motuhake.

whakamana ana tēnei tukanga kino te whakamahi i rehunga rohe. He rata tohu rongoā niho ki te cermet hanga te tohu tino. Ki te mīhini huri hiko boron (tere hurihanga toharite - 250 000 REV / min) rite rawa ki te matamata taimana, te niho hurihia he kiko niho pakeke. Hoki te tukanga tono papa approximal te kōpae motuhake vahe'i ranei mīhini huri hiko piringa mauringa, upoko taimana nei kua he diameter iti atu i te pokohiwi i hanga e te reira.

Hoki ngaungau papa he reira faufaa rahi ki te tiaki i to ratou ahua kikokiko. papa tuatahi rite i roto i te mata palatal me te buccal, hanga i raro taha gingival āhua i te hawhe mirimita. Na e hono karapiti interproximal, ka āhua i te pakeke te kopa niho atu huri te tihi rāpopototia. Na, he porotaka koi pito, me i tenei tukanga hanganga papa kia whakaaro ai oti. Ko te mahi matua o te niho i te wā o te faaineineraa - ki te ārai pukā o te niho. Kore ngaro io. Hoki tenei whakaaro, whakamahi te pūnaha he tautauā wai-rangi.

Na hopea, he meka ngā. Niho Prosthetic i whakaaro e nga Etruscans, e noho i roto i te reira-ra kūrae o e toru mano nga tau ki muri. He niho more porcelain i tonu i roto i te rau tau tekau ma waru. Ko reira pono e te hangarau niho hou, i roto i te rerekē ki te tikanga o 300 tau ki muri, tukua tata te tangata e hiahia ana ki te kawe mai te oaoa ki te ataata ma-whai niho o te whetu Hollywood.

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