(a Instrument for building small holes) to poke a couple of small holes within the bone under the cartilage. Like abrasion arthroplasty, this procedure is utilised to have the layer of bone beneath the cartilage to supply a therapeutic reaction. Right after diagnosis, Dr. Ong will suggest an individualised treatment https://www.theorthopaedicandpainpractice.com/what-are-cartilage-lesions/