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SEM view of Nd:YAP lased dentin treated previously with EDTA (18%). SEM view of exposed dentine with Nd:YAP laser beam at 5 W (a), 7.5 W (b), and 10 W (c). We can notice a tubules narrowing specifically in (b) and (c). Arrows show some occluded tubules. Magnification: 3000x.
