Fig. 4

Distribution of types of bone change according to pain duration. Onset 0 asymptomatic condyles, M month, Y year, Osp osteophyte, Ero erosion, Fla flattening
Distribution of types of bone change according to pain duration. Onset 0 asymptomatic condyles, M month, Y year, Osp osteophyte, Ero erosion, Fla flattening