Fig. 4

a+b. Variation in apical bone height (mm) from baseline (T0) to T6 (end of study). Measured from the first thread of the implants at the mesial (a) and distal (b) aspects of the implants
a+b. Variation in apical bone height (mm) from baseline (T0) to T6 (end of study). Measured from the first thread of the implants at the mesial (a) and distal (b) aspects of the implants