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Consecutive patients with Cairo recession type 1 (RT1) or Cairo recession type 2 (RT2) were treated. Accurate study models obtained at baseline and follow-ups were optically scanned. Healing dynamics were measured by calculating volume differences between time points. Nineteen patients were treated between December 2014 and January 2019. At 3-month follow-up, root coverage was 95.6% (\u00b1\u200914.5%) with tunnel and connective tissue graft (TUN\u2009+\u2009CTG) technique, and 88.9% (\u00b1\u200920.5%) with the vestibular incision subperiosteal tunnel access and connective tissue graft (VISTA\u2009+\u2009CTG) technique. Recession decreased 1.33 (\u00b1\u20090.86) mm and 1.42 (\u00b1\u20090.92) mm, respectively (p\u2009=\u20090.337). At 6-month follow-up, root coverage was 96.5% (\u00b1\u200910.4%) with the TUN\u2009+\u2009CTG and 93.9% (\u00b1\u200910.3%) with the VISTA\u2009+\u2009CTG. Recession decreased 1.35 (\u00b1\u20090.85) mm and 1.45 (\u00b1\u20090.82) mm, respectively (p\u2009=\u20090.455). Complete root coverage was achieved in 86.7% (\u00b1\u20090.4%) with TUN\u2009+\u2009CTG and 70.6% (\u00b1\u20090.5%) with VISTA\u2009+\u2009CTG. No statistically significant differences were found between techniques. The digital protocol presented proved to be a non-invasive technique for accurate measurements of clinical outcomes. Both techniques reduce gingival recessions, with no statistically significant differences.<\/jats:p>","DOI":"10.1038\/s41598-021-99573-6","type":"journal-article","created":{"date-parts":[[2021,10,14]],"date-time":"2021-10-14T10:09:16Z","timestamp":1634206156000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["A new digital evaluation protocol applied in a retrospective analysis of periodontal plastic surgery of gingival recessions"],"prefix":"10.1038","volume":"11","author":[{"given":"Tiago","family":"Marques","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N. 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