E like me kā mākou āpau ʻike he ʻekolu mau ʻano pono i hoʻohana ʻia no ka hoʻihoʻi hou ʻana o nā niho: nā mea poloka zirconia a me nā mea metala. Hana ʻia ʻo Zirconium oxide ma ke ʻano he monoclinic, tetragonal a me nā aniani cubic. Hiki ke hana ʻia nā ʻāpana sinensens ma ke ʻano he cubic a me / a i ʻole nā ʻano aniani tetragonal. I mea e hoʻokūpaʻa ai i kēia mau aniani, pono e hoʻohui i nā stabilizers e like me ka magnesium oxide (MgO) a i ʻole yttrium oxide (Y2O3) i ka ZrO2.
No ke aha ʻo zirconia palaka ka huahana kūpono loa i ka niho hoʻihoʻi hou?
E kamaʻilio e hana i ka hoʻokumu ʻana o zirconia. Hana ʻia ka poloka zirconia niho o ka crystalline oxide ʻano o zirconium, a he ʻĀtoma metallic i loko o ke aniani akā ʻaʻole i manaʻo ʻia he metala. Ma muli o kona mau kūpaʻa a me nā biocompatible, hoʻohana nā kauka lāʻau a i ʻole nā kauka i ka poloka zirconia niho i nā prostheses like ʻole. Hoʻohana ʻia ia i nā implants e like me ia i manaʻo ʻia ʻo ka mea ʻoi loa loa.
ʻOiai hoʻohana ʻia nā huahana lehulehu i ka ʻoihana niho, ʻo ka poloka niho zirconia i kapa ʻia hoʻi ka palaka pālolo ka mea kaulana loa i waena o nā kauka niho a me nā mea maʻi.
ʻO kekahi mau mea maikaʻi no nā poloka zirconia niho:
- E like me ka mea i hana ʻia me ka hoʻohana ʻana i ka ʻenehana kiʻekiʻe. Me ka paʻakikī o ka haki kiʻekiʻe, hoʻonui ʻana mehana e like me ka hao hao, ikaika kūlou kiʻekiʻe loa a me ka ikaika ʻoi aku ka nui, ke kūpaʻa kiʻekiʻe e ʻaʻahu a i ka pala, haʻahaʻa conductivity
- Eia kekahi, ʻae ʻia e nā hui kūloko. Eia kekahi, ua hana kēia mau palaka i kahi hoʻāʻo hoʻomaʻemaʻe, e hōʻoia i ka palekana loa o ka hoʻohana.
–Dary Zirconia block kahi huahana kiʻekiʻe loa, a ʻo ia hoʻi ka mea e paʻa ai ka niho a kūlohelohe.
–A hoʻokomo ʻia ka huahana i loko o ka mea maʻi, e hāʻawi ia i kahi ola maikaʻi i ka huahana.
–ʻO nā pono nui ʻē aʻe o kēia poloka zirconia niho ʻo ia ka mea e hōʻemi i ka manawa maloʻo mua a hoʻomaikaʻi i ka hiʻona ʻike i ka manawa kala.
–ʻO nā hiʻohiʻona nui o kēia huahana hiki ke loaʻa iā ia ke kiʻi hou ʻana i ke kala maoli, a hiki iā ia ke kūlike me nā nui a me nā ʻano.
Ka manawa Post: Jul-17-2021