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Dental lithium disilicate ya zama abu mahimmanci a cikin dentistry na zamani, wanda aka fada shi ne ta hanyar tsayi, kuma yana da kyau. Amma, gudanen dental Lithium Disilicate ba tarei da kusura yana bukatar teknik mai kyau, amfani da abubuwa masu kyau, kuma fahimtar yadda abubuwa suna aiki a lokacin gudanen. Kamar yadda manya dukturuna da masu gudanen suka gane kusura da kusurun a lokacin gudanen, wanda suka kawo kusura a cikin abubuwa da suka saba abubuwa masu kyau. Wannan shirin ya bayyana yadda za a gudanen dental lithium disilicate ta hanyar alama da yawa, kuma a gudanen abubuwa ta hanyar tsayi a cikin yadda ake gudanen.
Fahimtar tsarin lu'ulu'u na lithium disilicate na hakori yana da mahimmanci don hana fashewa da fashewa. Lithium disilicate gilashin tukwane dauke da saka lithium disilicate lu'ulu'u da samar da ƙarfi amma kuma amsa unpredictably zuwa inji danniya idan milling sigogi ba su inganta. Domin kayan suna da ɗan ƙarami, zaɓaɓɓen kayan aiki da ba daidai ba, saurin ƙwanƙwasawa da yawa, ko kuma sanyaya da bai dace ba zai iya sa su yi tsami sosai. Ta hanyar amfani da dabarun da aka yi niyya, masu fasaha za su iya aiki tare da kayan aikin kayan aiki maimakon su, sakamakon haka, m, farfajiyar da ba ta da tsagewa a shirye don gilashi da bayarwa.
Fahimtar kaddarorin kayan aikin Lithium Disilicate na Dental
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Lithium disilicate na gida ta samu ƙarfi sosai ta hanyar tsarin krisitali mai yawa. Bayanin ya ke cikin 40–50% krisitali na lithium disilicate wanda ake cire a cikin matrix na gishiri, wanda ya zama babban fahimta da kariya. Tsarin krisitalin ya ba lithium disilicate na gida karfi sosai na yadda ake sanya da kariya na rarraba a matsayin feldspathic ceramics, amma yayi nuna kuma cewa bayanin ya ke cikin kariya na rarraba. Idan yadda ake sanya ya ci gaba daya daga cikin yadda ake sanya, lithium disilicate na gida ba za ta iya canza a matsayin kariya don samun energy ba; amma rarrabawa suka faru a kariya na krisitali da suka tattara sosai a cikin bayanin.
Kashe da kusurin yadda ake gudanen kuma ya zama mai yawa. Lithium disilicate na dandana yana da tsawo na kuskure ta hanyar yadda ake gudanen kuma yana ƙasa da wadanda suka kashe, wanda yana nufin cikin kusurin gudanen kuma ba za a sanya shi daidai ba. Wannan tsawo na kuskure ta hanyar yadda ake gudanen kuma yana zama kusurin gudanen kuma a cikin abu, wanda yana taka kusurin gudanen kuma da kusurin yadda ake gudanen kuma don farin ciki na kusurin gudanen kuma. Farko da lithium disilicate na dandana ke aiki da kusurin yadda ake gudanen kuma da kusurin kuskure ta hanyar yadda ake gudanen kuma yana nuna cewa kuskure ta hanyar yadda ake gudanen kuma yana da muhimmiya wajen kuskure ta hanyar yadda ake gudanen kuma ko kuskure ta hanyar yadda ake gudanen kuma.
Tsawo na abu da ainihin gudanen kuma yana iya kuskure
Dental lithium disilicate yana da ƙarfi na Vickers a tsakiya ta 800 zuwa 1000, wanda ke nufin cewa yana da ƙarfi sosai don composite resin amma yana da ƙarfi kara babu don zirconia. Wannan ƙarfi na bayanai yana bukatar burada biyayen da suka dace da abubuwan da aka yi domin suka yi a matsayin ceramic mai ƙarfi kara babu ko mai ƙarfi sosai. Buradon da suka dace da diamond-coated da suka dace da ƙarfi na grit (ta ƙarshen 125–150 microns) suna fi kyawawa don buradon da suka dace da diamond mai ƙarfi kara babu saboda abubuwan mai ƙarfi na yawa suna gudan cikin shagali na chip wanda ke haifar da kariya da kariya da abubuwan da suka dace da kariya. Abubuwan da suka dace da dental lithium disilicate milling suna da geometry da suka dace da kuma suka dace da kariya na chip removal, wanda ke rage kariya na material binding da kuma kariya na crack formation.
Burs da karami ko da burs da zafin yawa suna baya a matsayin sabon bayanai na kariya wanda ke faru a lokacin gudanar da lithium disilicate na dandana. A lokacin da burs suka zafi ne a cikin amfanin da suka yi, ba su zama su gudanar da kyau ba; amma suka haifar da tsarin gudanar da kariya da kariya wanda ke haifar da kariya mai yawa. Kullum laburaturi suka sami fayida daga sauya burs bayan gudanar da 20 zuwa 30 nishadi a lithium disilicate na dandana, tare da kariyar nishadi da geometry na bur. Gudanar da burs a cikin magnification shine babbar alama na koyaushe wanda ke kare wa kariya mai yawa da abubuwan da ba za a iya sauya ba kuma ya tabbata cewa akwai kariya mai yawa a duk nishadi na lithium disilicate na dandana.
Gudanar da Parameta na Gudanar da Kariya da Tsarin Kula
Tsarin Kula na Spindle da Tsarin Gudanar
Kudin kudin na gaba na yadda ya zama babbarin bayanai na muhimmi a cikin karewa na kusura lokacin gurba na lithium disilicate na dandali. Kamar yadda ke aiki, kowane mashin na gurba na dandali ya amfani da kudin kudin ne a tsaki 10,000 zuwa 60,000 RPM, amma kudin kudin mai kyau na lithium disilicate na dandali ya zama a tsaki 30,000 zuwa 50,000 RPM. Kudin kudin mai yawa ya haifar da karamin kudin kudin na gurba a secoundu, wanda ya ba da kudin gurba a cikin karamin yanki na gurba kuma ya rage kudin kusura wanda ke haifar da kusura. Kudin kudin ta yanzu 30,000 RPM ya taimaka wajen kuskure na kusura da kuskure na kusura, kamar yadda ke a yankin karamin kusura na kusura da kusura na kusura.
Kudin kariya—wani yadda bur zai tashi a cikin abu—yana bukatar kariya don aiki da shi da maimakon kariya na spindle. Idan lithium disilicate na dantun za a tasho shi sosai a cikin bur, kariyar abu zai ƙare kudin bur, kuma kushe suka faru. Idan za a tasho shi yawa kusa, hankali na friction zai ƙare kuma hankali na thermal zai ƙare. Kamar yadda ake fahimta, kadanin CAD CAM suna ba da kariya masu baya don lithium disilicate na dantun wanda suka haɗa waɗannan abubuwa, amma kariya na gaba daya zai bukatar ayyana idan kada ya kashe kariya ko idan kada ya kashe kariya ta musamman. Wani yadda mai kyau shine a fara da kariya na masu sanya abu kuma a rarraba kariya da 10–15% idan za a sani kushe, sannan a saita kariya da kariya don duba ina yanzu.
Kudin kariya da kudin lubrikasi
Gogewa mai laushi tare da ci gaba da feshin sanyaya shine ma'aunin zinare don hana fashewa a cikin lithium disilicate na hakori. Rashin sanyaya yana da manufa biyu: yana cire zafi daga ƙirar yankan kuma yana fitar da kwakwalwan kwalliya wanda zai iya shiga cikin bur kuma ya haifar da haɗuwa. Ruwan sanyaya mai amfani da ruwa yana da tasiri sosai saboda suna samar da haɓakar zafi mai kyau da saurin tururi, hana ƙoshin zafi a farfajiyar kayan. Yawancin dakunan gwaje-gwaje suna samun kyakkyawan sakamako ta amfani da maganin banƙyama na banƙyama ko kayan sanyaya na musamman na yumbu da aka kawo ta hanyar ƙwayoyin da aka keɓe kai tsaye a yankin da aka taɓa bur.
Ana iya amfani da ƙwanƙwasawa na lithium disilicate na hakori amma yana da haɗarin fashewa sosai kuma ba a ba da shawarar don aikace-aikacen asibiti inda kayan ɓarnar kayan suke da tsada. Idan dole ne a yi amfani da busassun kayan aiki saboda iyakokin kayan aiki, rage saurin spindle zuwa 20,00030,000 RPM da rage yawan ciyarwa sosai na iya rage damuwa na thermal, kodayake sakamakon ba za a iya hango shi ba. sanyaya iska kadai bai isa ba don aikin gyaran lithium disilicate na hakori saboda iska tana da rashin ƙarfin zafin jiki kuma ba zai iya cire zafi da sauri don hana ƙwanƙwasa yanayin zafin jiki na gida wanda ke haifar da fasawar zafi da ke fitowa daga yankin yankan.
Ƙarin fasaha don ƙarewa ba tare da ƙwanƙwasawa ba
Hanyar Kayan aiki na Dabarun da la'akari da Geometry
Sarari da suka yi amfani da kayan kafin gudanen wani abu na dukkanin kayan kafin gudanen lithium disilicate na dukkanin kayan kafin gudanen yana iya zama babban sabon da ke haifar da kusur. Gudanen mai tsawo da kayan kafin gudanen da yawa yana cire abun da ke cikin kafin gudanen da yawa, amma gudanen mai ƙarfi da kayan kafin gudanen da yawa yana saukar da kafin gudanen da yawa da kafin gudanen da yawa. Wannan sarari na gudanen yana cire kusur ta hanyar da kayan kafin gudanen da yawa da suka yi amfani da abun da ke cikin kafin gudanen da yawa da suka yi amfani da kusur a cikin gudanen na farko. Don abubuwan da ke cikin kafin gudanen da yawa kamar kafin gudanen da yawa ko kafin gudanen da yawa, kuskure kofin gudanen da yawa da 20–30% a lokacin da suka yi gudanen mai ƙarfi yana cire kusur ta hanyar da kuskure abun da ke cikin kafin gudanen da yawa.
Dole ne a yi amfani da fuskokin ƙuƙwalwa da ƙuƙwalwa daga hanyar buccal a duk lokacin da zai yiwu don kauce wa hanyoyin damuwa na ciki wanda ke yadawa ta hanyar mayar da kauri. Yankan gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen gefen Ta hanyar murƙushewa na ƙarshe, bayan an kafa ƙirar ƙirar ƙira da ƙirar ƙira, ƙirar ƙarewa ta haɗu da kayan da aka riga aka sassautawa da kuma tallafawa ta hanyar lissafi.
Binciken Bayan Gogewa da Tabbatar da Inganci
A yau da millin ya kammala, za a duba alama na lithium disilicate na gida ta hanyar magnification don gano cracks na surface, edge chipping, ko kuma lines na subsurface fracture. Kullum cracks suka zama muna duka a 4× zuwa 10× magnification idan surface ya kashe da saukin ruwa. Duba mai baya na cracks ya ba mu imkanin in nuna alama akan bayanin original blank, wanda ke fi yawa mafi kyawun kuma yana fi fuskanci ne ga kuma in gyara ko in glaze alama da ke cikin halin da ke cikin halin. Fine surface cracks da ke ƙasa da 0.1 millimeter ba su iya samun kari na clinical longevity, amma kowace crack da ke ƙasa da 0.2 millimeter wanda ke taka zuwa interproximal ko margin zones zai haifar da replacement.
Kurasa ta ultrasonic a ruwa mai karama ba tare da mabu ba ta gaba daya daga yadda aka yi milled, ya cire dustan ceramic da kuma karamar wanda ke sao kai tsaye na kurasa ta kara kusur. Wani laburaturi suka yi kurasa ta ultrasonic a 40 kHz don 5 zuwa 10 miniti, wanda ke bada kuma fuskantar yawa ta yawa ta hanyar kurasa ta kara kusur na karamar wanda ke cikin karama. Bayan kurasa, akwai kurasa ta kowane a cikin iluminasi mai kyau wanda ke nuna cewa karamar dental lithium disilicate ta milled ya kashe don glazing, crystallization annealing (idin ya zama babban abu na karamar wanda aka bayyana), da kuma samun karama a cikin karamar kliniki.
Tambayoyi Masu Yawan Faruwa
Yaya yanzu na spindle ce mafi kyau don milled dental lithium disilicate ba tare da kusur?
Kammalai na yanzu na mafi kyau don gudun kankara na lithium disilicate na tibbi ke cikin 30,000 zuwa 50,000 RPM. Yanzu mai ƙarfi a cikin wannan shirin ya ba da kammalai na gudun kankara a cikin ƙwararren abu masu amfani da su per second, wanda ke rage kammalai na stress na lokaci ta hanyar rarraba kammalai na cracks. Yanzu ta zama ƙasa da 30,000 RPM ke saita kammalai na plucking da chipping, amma yanzu mai ƙarfi sosai ta ƙasa da 60,000 RPM zai iya haɗawa stress na yanzu idan ba a sanya colda ba. Kowa yana da aka amfani da manual na CAD CAM system da bayanan masu sanya abu na tibbi na lithium disilicate, saboda farko na abu zai iya samu kammalai na yanzu na mafi kyau da farko zuwa farko.
Shin lithium disilicate na tibbi zai iya gudun kankara ta hanyar dry ba tare da cracks?
Kullumta mai ƙarfi na lithium disilicate na kwayoyin tibbi zai iya aiki amma yana da ƙarfin karuwa ta yawa ne ga karuwa akan baya wanda kullumta mai ruwa zai iya aiki. Bayan ba a neman ruwa ba, ƙarfi na hanyar gudunmawa ya zama ƙarfi mai yawa a cikin kofin kullumta saboda sama ba shi da kyau don samun hanyar gudunmawa. Idan kullumta mai ƙarfi ya zama mafi kyau don ala'adu na abubuwa, za a tsayi gyara na kofin kullumta zuwa 20,000–30,000 RPM kuma za a rarraba gyara na kofin kullumta ta 30–50% don rage gudunmawa. Amma kullumta mai ruwa da ruwa mai daga cikin kofin kullumta zai zama ala'adu na kwayoyin tibbi don lithium disilicate na kwayoyin tibbi kuma zai bayyana karuwa ba tare da karuwa wanda zai iya sanya ala'adu na abubuwa.
Yaya yanzu burs suka canza lokacin kullumta na lithium disilicate na kwayoyin tibbi?
Kamarun burs na yawa wanda ake amfani da su don gudanen lithium disilicate na kankara, ya kamata a sauya bayan gudanen 20 zuwa 30, tare da tsarin burs, kariya na gudanen, da lokacin gudanen per case. Kamarun burs da suka dace ba za su iya gudanen da kyau ba kuma suna haifar da karamin da suka shiga cikin lithium disilicate na kankara. Gano mai yawa ta hanyar magnification yana taimaka wajen gano dacewarsu na burs kafin hadin da kariya su ya faru. Amincewar jadawalin sauyawa yana taimaka wajen samun kwalitas da yawa kuma yana kare kariya ko kariya wanda ke haifar da kariya a cikin jadawalin digital na laboratori.