Fig. 2From: Maxillary labial peri-implant hard and soft tissue alteration observed on cross-sectional dimension: a 2-year prospective observational studyRepresentative CBCT images for classification of implants according to thickness of labial/buccal hard and soft tissue width. Cutoff thresholds were determined 1.6 mm for hard tissue, 2.5 mm for soft tissue. Implants with thick hard and soft tissue were classified as Type1, those with thick hard tissue and thin soft tissue were as Type 2, those with thin hard tissue and thick soft tissue were as Type 3, and those with thin hard and soft tissue were as Type 4Back to article page