Učinak električnih četkica na trošenje dentina Influence of Powered Toothbrushes on Dentine Wear
نویسندگان
چکیده
Adresa za dopisivanje Alena Knežević Sveučilište u Zagrebu Stomatološki fakultet Zavod za endodonciju i restaurativnu stomatologiju Gundulićeva 5, 10000 Zagreb Hrvatska Tel. +385 1 48 02 123 Fax. +385 1 48 02 159 [email protected] Sažetak Svrha: Svrha rada bila je odrediti stupanj trošenja dentina nakon što se zubi četkaju električnom četkicom s glavama različitih veličina te primijene različita opterećenja u usporedbi s običnom (mehaničkom) četkicom za zube. Materijal i postupci: Za to su odabrane električne četkice Sonicare-Elite s malom i standardnom veličinom glave i vertikalnim opterećenjem od 90 i 150 grama te mehanička četkica Oral-BP35 s vertikalnim opterećenjem od 150 grama. Ona je istodobno služila i kao kontrolna. Uređajem za simulaciju četkanja s različitim brojem okretaja koristili smo se kako bismo postigli abraziju dentina četkanjem. Za standardne veličine glave Sonicare-Elite rabilo se 12 000 okretaja, a za mini glavu 18 000. Za četkicu Oral-B-P35 izabrali smo 12 500 okretaja. Laserskim scannerom 3D koristili smo se za evaluacije trošenja dentina. Rezultati: Rezultati su pokazali da je najveće trošenje dentina bilo kod uporabe manualne četkice (107,26μm), a najmanje kod četkice Sonicare-Elite sa standardnom veličinom glave i 90 grama vertikalnog opterećenja (47.7μm). Nisu potvrđene statistički znatne razlike izmedju električne četkice s “mini” glavom (90 grama opterećenja) i standardnom veličinom glave (90 i 150 grama opterećenja) te električne četkice s “mini” glavom i opterećenjem od 150 grama i manualne četkice. Zaključak: Električne četkice s različitim veličinama glave i različitim vertikalnim opterećenjima različito troše dentin i što je manja glava te jače opterećenje, to je veće trošenje dentina. Ključne riječi dentin; zubi, pranje; stomatološki uređaji, kućna upotreba; zub, abrazija 1 Zavod za endodonciju i restaurativnu stomatologiju Stomatološkog fakulteta Sveučilišta u Zagrebu, Gundulićeva 5, 10000 Zagreb, Hrvatska School of Dental Medicine, University of Zagreb, Department of Endodontics and Restorative Dentistry, Gunduliceva 5, 10000 Zagreb, Croatia 2 Zavod za restorativnu stomatologiju i parodontologiju Stomatološkog fakulteta Sveučilišta Ludwig-Maximilians, Goethe Strasse 70, Muenchen, Njemačka Dental School of the Ludwig-Maximilians University, Department of Restorative Dentistry and Periodontology, Goethe Strasse 70, Munich, Germany
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تاریخ انتشار 2009