Fig. 3From: 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 T1 to T2. ΔBH for Type 4 was significantly greater than that of Type 1, 2 and 3 (p < 0.001)Back to article page