Figure 3

Explanation of linear measurements in CBCT considered in the study. (a) AAA; (b) Thickness of the lateral sinus wall; (c) Height of the residual alveolar ridge; (d) Width of the residual alveolar ridge (basal level); (e) Width of the residual alveolar ridge (crestal level); (f) Distance from AAA to the alveolar crest, (g) Distance from the AAA to the sinus floor.