Official Journal of The Academy of Osseointegration
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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