<prompt> True about bony ankylosis:Painful conditionTubercular arthritis is most common causeSeptic arthritis leads to bony ankylosisSpine tuberculosis is the leading cause  <response>: Ans. c Septic arthritis leads to bony ankylosisRef: Maheshwari 5th ed.182Bony Ankylosis Vs Fibrous AnkylosisBONYFIBROUS Painless MCC: Septic arthritis TB spine Painful MCC: Tubercular arthritis of hip and knee 