This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
Otosclerosis treatment includes all except 
Select and explain. 
A. Sodium fluoride, B. Hearing Aids, C. Stapedectomy, D. Radical mastoidectomy
D: Radical mastoidectomy
Answer: D: Radical mastoidectomy 
Explanation: TREATMENT Medical: There is no medical treatment that cures otosclerosis. Sodium fluoride has been tried to hasten the maturity of active focus and arrest fuher cochlear loss, but controversies exist and this treatment is not recommended generally. Surgical: Stapedectomy / Stapedotomy with the placement of a prosthesis is the treatment of choice. Here the fixed otosclerotic stapes is removed and a prosthesis inseed between the incus and oval window. Prosthesis employed may be a Teflon piston, stainless step piston, platinum - teflon or titanium - Teflon piston. Ref: Diseases of EAR, NOSE and THROAT by PL Dhingra;7th edition, page no.97