Pentru a face dintii cat mai frumosi si rezistenti, in stomatologie a fost introdus, in ultimii ani, un material inovator: zirconiul. Daca pana acum era folosit doar pentru realizarea scutului de nava spatiala, intr-o clinica bucuresteana se fac dinti din el.
‘Zirconiul este un mi-neral cu densitate foarte mare, care nu se modifica din punct de vedere calitativ in cavitatea bucala si nu afecteaza tesuturile. El este materialul din care se fac scuturile pentru navele spatiale si, de ani, se foloseste ca implant, in chirurgia de sold, pentru articulatiile degetelor si ca substituent de os, deoarece este foarte elastic si are rezistenta buna la incovoiere. A fost ales ca suport pentru ceramica, in stomatologie, deoarece 17%-18% din pacienti aveau alergie la nichel, care este si cancerigen’, explica Cristi Costachescu, directorul Clinicii VelvetDental, singura din Bucuresti in al carei laborator de tehnica dentara se realizeaza lucrari pe suport de zirconiu.
Munca tehnicianului dentar este inlocuita, intr-o mare parte, de un robot.
‘Durata realizarii unei lucrari se scurteaza de la sapte la patru zile. Dupa ce medicul ia amprenta de silicon, tehnicianul o toarna in ghips si gata. Modelul din ghips este scanat cu raze laser, iar prelucrarea se face pe calculator, cu ajutorul unui program. Mai departe, robotul este cel care face suportul din zirconiu ce va fi imbracat in ceramica’, afirma Cristi Costachescu.
500 de euro un dinte
Bucuresteanul Iosif Holt (27 de ani) a dat 5.000 de euro pe 10 dinti din material de scut de nava spatiala, dar e mandru de zambetul lui si considera ca a meritat toti banii. ‘Costa 500 de euro un dinte, dar rezultatul este pe masura. Nu se vede unde mi-am pus lucrarea. Nu se deosebeste prin nimic de dintii mei naturali’, spune Iosif Holt, in timp ce sta relaxat pe scaunul dentistului pentru fixarea ultimului dinte din ceramica pe suport de zirconiu.
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