Media type: E-Article Title: Analysis of ultra-short implants with different angulations: a retrospective case–control study with 2 to 9 years of follow-up Contributor: Malchiodi, Luciano; Fiorino, Antonino; Merlino, Lisa; Cucchi, Alessandro; Zotti, Francesca; Nocini, Pier Francesco Published: Springer Science and Business Media LLC, 2024 Published in: Clinical Oral Investigations, 28 (2024) 1 Language: English DOI: 10.1007/s00784-023-05460-x ISSN: 1436-3771 Origination: Footnote: