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International Journal of Periodontics & Restorative Dentistry



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Int J Periodontics Restorative Dent 34 (2014), No. 4     3. July 2014
Int J Periodontics Restorative Dent 34 (2014), No. 4  (03.07.2014)

Page 476-486, doi:10.11607/prd.2022, PubMed:25006765

Immediate Provisionalization of Dental Implants in Grafted Alveolar Ridges in the Esthetic Zone: A 5-Year Evaluation
Cooper, Lyndon F. / Reside, Glenn / Raes, Filiep / Garriga, Joan Soliva / Tarrida, Luís Giner / Wiltfang, Jörg / Kern, Matthias / De Bruyn, Hugo
This clinical study assessed at 5 years both implant survival and peri-implant tissue architecture of immediately provisionalized implants placed 4 to 6 months following augmentation with demineralized bovine bone allograft and collagen membrane. Of 23 implants in 19 patients, one implant failed prior to loading (95.6% survival). Implant tissue relationships were stable following implant placement; marginal bone level changes from implant placement to 5 years (mean ± SD: -0.18 ± 0.79 mm, range: -1.6 to 1.4 mm, P = .51), the mesial and distal papilla length changes (mesial mean ± SD: 1.14 ± 0.92 mm, P < .001; distal mean ± SD: 0.74 ± 1.46 mm, P = .04), and the unchanged mucosal zenith location (mean ± SD: 0.24 ± 0.93 mm, P = .15) were recorded. There were no major surgical complications during the 5-year period. When augmentation is required, subsequent dental implant placement in the anterior maxilla may be achieved using immediate placement and provisionalization protocol to attain osseointegration success and stable peri-implant tissue responses.