Inclusion Criteria:  Age ≥ 18 years Bilateral multiple gingival recessions in homologous teeth  Exclusion Criteria:  Full-mouth plaque index ≥ 20% (Ainamo & Bay 1975) Full-mouth sulcus bleeding index ≥ 15% (Mühlemann & Son 1971) Smoking Systemic diseases with compromised healing potential of infectious diseases Drugs affecting periodontal health / healing Pregnant and lactating females Previous periodontal surgery in the area