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Volume 32 , Issue 5
October 2012

Pages 581-589

Resonance Frequency Analysis of Implants Inserted with a Simultaneous Grafting Procedure: A 5-Year Follow-up Study in Man

Michele Cassetta, DDS, PhD/Laura Ricci, DDS/Giovanna Iezzi, DDS, PhD/Daniela Dell’Aquila, DDS, PhD/Adriano Piattelli, MD, DDS/Vittoria Perrotti, DDS, PhD

PMID: 22754899
DOI: 10.11607/prd.00.1091

The aim of this study was to measure implant stability quotient (ISQ) values in grafted sites during 5 years of follow-up. Sixteen patients received a total of 36 implants inserted in sites treated with autologous bone (group A) or porcine bone in addition to autologous bone (group B). In both groups, resonance frequency analysis (RFA) values increased during the observation period. At 2 months, statistical analysis showed significantly lower ISQ values for group B than for group A (P = .0134) and significantly higher ISQ values in the mandible than in the maxilla (P = .0251). RFA measurements suggested stable long-term results for implants inserted in both groups. (Int J Periodontics Restorative Dent 2012;32:581–589.)

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