In this paper the penetration of three different varnishes employed in caries prevention (Duraphat®, Fluor Protector® and Cervitec®) into demineralized dentine is quantified using confocal laser scanning microscopy. The results show that the varnish penetration into lesions about 85 μm in depth is for Cervitec about 35 μm and considerably less for Duraphat and Fluor Protector. The penetration is into the dentinal tubules and is influenced by dentinal tubule direction. The drying procedure – pretreatment of the dentine – influences the penetration, though sizeably only for Cervitec applications. This paper shows that varnish penetration into the tissue and presumably ‘sealing’ tubules completely or partly is valuable with respect to root caries prevention and hypersensitivity.

Keywords:
Caries, Dentine, Roots, Root caries, Varnishes
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© 1997 S. Karger AG, Basel
1997
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