Fig. 3
From: Performance of a bioglass-based dentine desensitizer under lactid acid exposition: an in-vitro study
Sectional view of the vertically cut samples after 12 d at 1000-fold magnification. a – Technovit imbedding; b – Diagonally cut, previously etched dentine tubules; c – gold layer deriving from previously performed horizontal sputtering; d –layer of previously applied desensitizers; e – dense dentine layer without visible dentine tubules; f – deep portion of dentine