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In vitro effects of hydroxyapatite containing toothpastes on dentin permeability after multiple applications and ageing

Hiller, Karl-Anton ; Buchalla, Wolfgang ; Grillmeier, Isabel ; Neubauer, Christina ; Schmalz, Gottfried


This in vitro study evaluated the effect of toothpastes with different active ingredients on dentin permeability using an extended protocol including multiple applications and several thermal ageing cycles in the presence or absence of human saliva. The Null hypothesis was that dentin permeability of a hydroxyapatite containing toothpaste (BR), a potassium nitrate (SP) and an arginine and calcium ...


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