Fig. 3From: Root coverage using a connective tissue graft with epithelial striation in combination with enamel matrix derivatives - a long-term retrospective clinical interventional studyGingival recession (GR) at the lower right first incisor (a). Recipient site at the end of surgery (b), 6 months (c), and 18 years (d) after surgery. Staining of the alveolar mucosa using Schiller’s iodine solution 6 months (e) and 18 years (f) after surgery. Note the harmonious symmetric alignment of the mucogingival junction and the increase of keratinized tissueBack to article page