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Volume 39 , Issue 1
January/February 2019
Pages 115–121

A 4-Year Retrospective Radiographic Study of Marginal Bone Loss of 156 Titanium Implants Placed with Ultrasonic Site Preparation

Gianmario Schierano, MD, DDS/Tomaso Vercellotti, MD, DDS/Fabio Modica, DDS/Giorgia Corrias, DDS/Crescenzo Russo, DDS/Davide Cavagnetto, DDS/Domenico Baldi, MD, DDS/Federica Romano, DDS, PhD/Stefano Carossa, MD, DDS

PMID: 29677223
DOI: 10.11607/prd.3219

This retrospective study evaluated implant survival rate (SR) and marginal bone loss around dental implants placed with ultrasonic implant site preparation. A total of 156 implants were placed in 28 totally and partially edentulous patients. Bone loss was measured on intraoral paralleling digital radiographs taken at the impression phase and after 4 years of loading. As 3 implants (1.92%) failed at the second surgery stage, the SR was 98.08% after 4 years. The mean marginal bone loss was 0.52 ± 0.33 mm (0.51 ± 0.35 mm mesially and 0.53 ± 0.35 mm distally), with comparable values for implants inserted into the maxilla (0.52 ± 0.32 mm) and the mandible (0.52 ± 0.35 mm).

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