Fig. 4From: Maxillary labial peri-implant hard and soft tissue alteration observed on cross-sectional dimension: a 2-year prospective observational studyInter-group comparison of numerical change of BH from T2 to T3. ΔBH for Type 4 was significantly greater than that of Type 1, 2 and 3 (p < 0.001). There was a statistically significant difference between Type 2 and Type 3 (p = 0.002)Back to article page