Collagen Substitutes in Oral Soft Tissue Augmentation: An In Vitro–Ex Vivo Study on Expansion and Elasticity
ABSTRACT Objective This study aimed to evaluate the hydration‐induced volumetric expansion and elasticity of collagen‐based soft tissue substitutes following exposure to blood using three‐dimensional (3D) analysis and high‐frequency ultrasonography (HFUS). Materials and Methods Seven commercially available collagen mat...