From: Microindentation hardness and calcium/phosphorus ratio of dentin following excavation of dental caries lesions with different techniques
Conventional
Chemomechanical
Er:YAG laser
Ca (wt%)
44.68 ± 13.40
37.03 ± 11.72
38.85 ± 12.87
P (wt%)
55.76 ± 13.18
62.95 ± 11.68
61.15 ± 17.87
Ca/P ratio
0.91 ± 0.50
0.86 ± 0.91
0.78 ± 0.54