Long-term stability of surgical bone regenerative procedures of peri-implantitis lesions in a prospective case-control study over three years

Ann-Marie Roos-Jansåker (1) , Christel Lindahl (2) , Rutger G. Persson (3, 4) , Stefan Renvert

1 Periodontology
2 Oral Sciences
3 Periodontology, Div Oral Micorbiology
4 Periodontics and Department of Oral Medicine

Objectives: To evaluate the extent of bone fill over three years following surgical treatment of peri-implantitis with bone grafting with or without a membrane. Material & Methods: In a non-submerged wound healing mode, 15 subjects with 27 implants were treated with a bone substitute (Algipore) alone, and 17 subjects with 29 implants were treated with the bone substitute and a resorbable membrane (Osseoquest). Implants with radiographic bone loss 1.8 mm following the first year in function, and with bleeding and/or pus on probing were included. Following surgery subjects were given systemic antibiotics (10 days) and rinsed with chlorhexidine. After initial healing the subjects were enrolled in a strict maintenance program. Results: Statistical analysis failed to demonstrate changes in bone fill between one and three years both between, and within procedure groups. Mean defect fill at three years was 1.3 ± (S.D.)1.3 mm if treated with bone substitute alone and 1.6 ± (S.D.)1.2 mm if treated with an adjunct resorbable membrane, (p=0.40). Plaque index decreased from approximately 40% to 10% remaining stable during the following two years. Conclusion: Defect fill using a bone substitute with or without a membrane technique in treatment of peri-implantitis can be maintained over three years.

Mots clés: Medicine

Ann-Marie Roos-Jansåker, Christel Lindahl, Rutger G. Persson, Stefan Renvert. Long-term stability of surgical bone regenerative procedures of peri-implantitis lesions in a prospective case-control study over three years. Journal of Clinical Periodontology, 2011, 38 (6), pp.590. ⟨10.1111/j.1600-051X.2011.01729.x⟩. ⟨hal-00631684⟩