Kungekudala okanye kamva, kodwa sonke sijamelana neengxaki zamazinyo. Ngamanye amaxesha izifo zamazinyo azikhokelela ekutshintsheni kwimeko yazo, kodwa nakususwa. Ngenxa yoko, kunesidingo seprothemthi yokubuyisela i-dentition okanye i-appearance yobuhle. Enye yezona ndlela eziqhelekileyo zonyango okanye ukubuyiselwa kwezinyo ezonakalisiweyo kukusekwa kwesithsaba sensimbi.
Imiqondiso kunye nokuchasene nokufakwa kwesithsaba
Ukongezelela ukubuyisela i-dentition (i-prosthetics), izithsaba ze-metal-ceramic zingafakwa kwiimeko ezinjalo:
- ukuphulwa kombono wezinyo zakho (ukutshitshiswa, ukuchithwa kwemifanekiso, izilonda zama-koqweqwe lwawo, ukuma okungaqhelekanga, njl.);
- ukwandisa ukuphulwa kwamazinyo (ukugula kunye nokufumana);
- ubukho bamazinyo angabonakaliyo , kunye nokuziphendulela kwizinto eziplastiki zabo.
Isithsaba seCeramic isithsaba asisetyenziswa:
- ebuntwaneni;
- ukuba kukho ukunganyanzeliseki komntu kwizinto ezifakwe kwi-composition yayo;
- kunye nesifo segum (i- periodontitis eyinkimbinkimbi kunye ne-periodontitis);
- phambi kwezifo zesifo (bruxism);
- ngokungabikho kwamazinyo amathathu okanye amane emqolo;
- ukuba isiguli sinamazinyo amancinci.
Ukuveliswa kunye neentlobo zezithsaba
Ukwenza izithsaba, uqhubeke emva kokucoceka okupheleleyo kwenkunkuma yomlomo, kwaye emva kokususwa kwe-pulp kumazinyo aya kuba phantsi kwesithsaba. Le nkqubo inamanyathelo amabini:
- Ukudala kwamathambo. Isebenzisa ii-alloys ezithile (i-cobalt-chromium, i-nickel-chromium, igolide-palladium, igolide-platinum).
- Isicelo kwisakhelo se-crayam ekhethekileyo kwiziqendu eziliqela, elowo likhutshwa ngubushushu obuphezulu.
Ngexesha lokusetyenziswa kweengubo ze-ceramic, umbala wekoramic-ceramic isithsaba ishintshelwe kumbala wamazinyo ayo, anqunywe ngexesha lokususwa kweebumba.
Ngokuxhomekeke kwiindlela zokusetyenziswa ezisetyenzisiweyo, iintlobo ezininzi zeesithsarensi zetamisi ziyaziwa:
- Amakhanda ezenziwe ngesitampu sesitampu sesinyithi. Kule meko, iziganeko zeziphene kunye nokungalungiswanga ekuqulunqweni akuqhelekanga.
- Amakhanda awenziwe ngomshini okhethekileyo wokugaya. Unesakhiwo esincinane kakhulu kumqolo ngamnye wamazinyo.
- Amakhanda, apho isambatho se-ceramic ikhuliswe ngokunciphisa ngokukhawuleza kwesaziso sensimbi.
Inkathalo kunye nobomi benkonzo
Ugqirha uxela indlela yokunyamekela ngokufanelekileyo umlomo womlomo emva kokufakela isithsaba se-metal-ceramic. Kodwa imithetho esemgangathweni yokunyamekela ayifani nokukhathalela amazinyo aqhelekileyo, kwaye iququzelelwe rhoqo amazinyo amabini okanye kathathu ngosuku. Ukongezelela, kuyacetyiswa ukuba uthathe iimviwo zokukhusela kwidokotela wamazinyo kanye okanye kabini ngonyaka.
Ubomi benkonzo yesithsaba se-metal-ceramic, kunye nokugcinwa kweendlela zobugcisa kunye neendlela eziphathekayo, kuvela kwiminyaka eyi-10 ukuya kwe-15.
Ukuvela kweengxaki kunye nokususwa kwesithsaba
Ukuba kwinkqubo yokugqoka isiqwenga sesithsaba se-metal-ceramic iphuliwe, kwaye ukubonakala kwendlela yokubukeka kuphazamiseka, kukho ukubuyiswa. Kodwa kufuneka kuqatshelwe ukuba esi sisisombululo sethutyana kwingxaki. Ingqibelelo yezinto eziphazamisekileyo ziphazamiseka kwaye le ngxaki iya kuphinda ivele emva kwexesha. Ukuba i-chip ibonakale ngaphakathi, kusemgangathweni ukukhusela ingcinezelo kulwimi. Kukho nawuphi na, kwithuba lokuqala, kucetyiswa ukuba ithathe indawo yesithsaba esonakalisiweyo.
Ekubeni isithsaba sisetyenzisiweyo samamenti ekhethekileyo weentahla, ukususwa kwayo ukubuyiswa kufuneka kwenziwe ngokusebenzisa i-ultrasonic device. Ngaphantsi kwempembelelo yalo, i-samente iyatshatyalaliswa, kwaye isithsaba sisuswa kalula.