In order to prevent dehydration of periosteal surface of the flap, it should be irrigated frequently with:: (A) Water, (B) CHX, (C) Saline, (D) All of the above
Answer is C. To prevent dehydration of periosteal surface of the ﬂap, it should be irrigated frequently with saline (0.9% NaCl), and not with water, as it is hypotonic.