lesions remineralized by chicken eggshell powder solution (CESP). Materials and methods
Thirty-six freshly extracted human third molars were used. The occlusal surfaces were
grinded removing all enamel and exposing a flat surface of dentin. A 5× 5 mm window was
made and specimens were divided randomly into three equal groups (12 each). Group I
(sound dentin as control group) no further treatment was done. Groups II and III, artificial …