TODENTJ-25-03-2019_TODENTJ-5-126 1553505265 Bentham Open doi@benthamopen.net Bentham Open The Open Dentistry Journal TODENTJ 1874-2106 7 29 2011 5 1 Marco Montevecchi Vittorio Checchi Laura Piana Luigi Checchi This study evaluated different variables to determine their role in the appearance of the central and lateral upper jaw papillae. 292 interdental embrasures were examined. Personal variables were: age, smoke, and use of interproximal hygiene devices. The clinical characteristics were: tooth shape, periodontal biotype and papilla appearance. Radiographic measurements were: root to root distance at the cemento-enamel junction (horizontal distance), and bone crest to interdental contact point distance (vertical distance). The papilla recession increased with patient age. The horizontal distance of the central papilla was always greater (up to 1 mm) than that of the other papillae. The vertical distance of the central papilla was greater (up to 2 mm) than that of the other papillae for each class except for the normal one (Nordland & Tarnow classification). For vertical distances ≤5 mm, papillae were almost always present; for distances up to 6 mm, the lateral papillae belonging to the normal class disappeared, while the central papilla remained in 11% of cases; central papillae of class 1 were present in larger proportions until a vertical distance of 8 mm. The present observational study shows that differences on clinical and radiographic determinants do exist between central and lateral papillae. This variance should be strictly taken in account for a harmonious and stable treatment outcome on this highly aesthetic area. 7 29 2011 126 135 TODENTJ-5-126 1 10.2174/crossmark_policy opendentistryjournal.com benthamopen.com true Peer Reviewed Single blind Checked with iThenticate 2011-1-18 2011-5-5 2011-5-12 2011-7-29 http://creativecommons.org/licenses/by-nc/3.0/ 10.2174/1874210601105010126 1553505265 https://opendentistryjournal.com/VOLUME/5/PAGE/126/ https://opendentistryjournal.com/contents/volumes/V5/TODENTJ-5-126/TODENTJ-5-126.pdf https://opendentistryjournal.com/contents/volumes/V5/TODENTJ-5-126/TODENTJ-5-126.pdf https://opendentistryjournal.com/contents/volumes/V5/TODENTJ-5-126/TODENTJ-5-126.pdf https://opendentistryjournal.com/contents/volumes/V5/TODENTJ-5-126/TODENTJ-5-126.pdf https://opendentistryjournal.com/contents/volumes/V5/TODENTJ-5-126/TODENTJ-5-126.pdf https://opendentistryjournal.com/contents/volumes/V5/TODENTJ-5-126/TODENTJ-5-126.pdf https://opendentistryjournal.com/contents/volumes/V5/TODENTJ-5-126/TODENTJ-5-126.pdf https://opendentistryjournal.com/contents/volumes/V5/TODENTJ-5-126/TODENTJ-5-126.xml Glossary of Periodontal Terms. 4th. 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