The American Academy of Periodontology 1 has defined marginal tissue recession as an acquired deformity with the gingival margin being located apical to the cementoenamel junction (CEJ), resulting in exposed root surface and loss of attached gingiva. Gingival recession is a common feature in populations with high as well as poor standards of oral hygiene 2 . Many factors have been proposed to i...

Relevance . Autografts are nowadays the gold standard for soft tissue augmentation and gingival recession coverage. However, as this method has a number of significant disadvantages, xenografts various origins more frequently used in dental practice. The study aimed to conduct comparative morphological assessment crosslinked non-crosslinked xenogenous scaffold biointegration quality at differen...