Osseointegrated implants in vertical ridge augmentation with a nonresorbable membrane: a retrospective study of 75 implants with 1 to 6 years of follow-up

The International Journal of Periodontics & Restorative Dentistry
Filippo FontanaCarlo Maiorana

Abstract

The aim of this study was to retrospectively evaluate 75 implants inserted in vertically augmented bone at the time of or prior to implant placement after 1 to 6 years of prosthetic loading. The study included 21 patients (29 surgical sites). The vertical procedure was performed combining a titanium-reinforced expanded polytetrafluoroethylene membrane with autograft (7 sites), allograft (5 sites), or auto-xenograft (17 sites). Healing was uneventful in 24 surgical sites. Three sites showed premature exposure, and two sites presented an abscess. Two implants were lost, for a cumulative survival rate of 93.6%. Mean bone remodeling at 1, 2, 3, 4, 5, and 6 years was 0.34, 0.72, 1.04, 0.84, 0.56, and 0.61 mm, respectively. The implant success rate was higher with a simultaneous approach (82.5%) compared with a staged approach (66.8%). Implants surrounded by keratinized mucosa revealed a higher success rate (82.1%) than those without it (58.4%).

Citations

May 12, 2015·The Journal of Oral Implantology·Gian Luca SfasciottiRalph Mackey Powers
Sep 20, 2015·Clinical Oral Implants Research·Rainer LutzChristian M Schmitt
Aug 25, 2015·The Journal of Oral Implantology·Paolo C MaridatiCarlo Maiorana
Jul 18, 2015·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Naruto OtawaTomiharu Matsushita
Jul 25, 2006·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Luciano MalchiodiManlio Quaranta
Nov 23, 2013·The Journal of Prosthetic Dentistry·Shiri LivneZeev Ormianer
Sep 14, 2016·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Markus TroeltzschHenning Schliephake
Jan 31, 2012·Diabetes & Metabolism·F MarchandB Vialettes
Jan 23, 2019·Journal of Clinical Periodontology·Istvan A UrbanIgnacio Sanz-Sánchez
Dec 7, 2017·The Journal of Contemporary Dental Practice·Gianluca PorcaroMarcello Maddalone

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