Surgical Treatment of Periimplantitis in Patients With Risk Factors

Inclusion Criteria: Implants diagnosed with peri-implantitis with boné defects; Probing depth ≥ 4mm; Positive Bleeding on Probing and Suppuration score; Radiographic Bone Loss ≥ 3mm; Generalized Chronic Periodontitis (Armitage, 1999); Heavy Smokers (\> 10 cigarets per day); Type 2 Diabetes Mellitus tipo 2 (ADA, 2005) with HbA1c between 6.5% and 7.5% Exclusion Criteria: Complete Edentulism; Mucosal disease; Alcohol abuse; Systemic disease except type 2 Diabetes Mellitus, that might interfere in periimplantitis progression; Medication intake: anticoagulants, antineoplasics, contraceptives, bisphosphonates and antidepressives; Medication intake in the last 6 months: antibiotics; Medication intake in the last 3 months: antiinflammatories; Aggressive Periodontitis and Anaphylactic shock history; Periodontal treatment in the last 6 months before the baseline; Periodontal Pockets \> 7mm; Light Smokers (\< 10 cigarets/day); Implant Mobility.