Systematic Reviews
Copyright ©The Author(s) 2020.
World J Clin Cases. Nov 6, 2020; 8(21): 5284-5295
Published online Nov 6, 2020. doi: 10.12998/wjcc.v8.i21.5284
Figure 2
Figure 2 Summarized grading systems of the included studies. ABL: Anterior bone loss, colored in gray; VAS: Visual analogue score; NDI: Neck disability index.