ENT All of the following statements about sodium fluoride in otosclerosis are true, except A Acts by inhibiting proteolytic enzymes in cochlea B Acts by inhibiting osteoblastic activity C Is contraindicated in chronic nephritis D Is indicated in patients with a positive schwaze sign π‘ Explanation All of the following statements about sodium fluoride in otosclerosis are true, except β Correct Answer: B. Acts by inhibiting osteoblastic activity