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International Journal of Periodontics & Restorative Dentistry
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Int J Periodontics Restorative Dent 39 (2019), No. 1     7. Jan. 2019
Int J Periodontics Restorative Dent 39 (2019), No. 1  (07.01.2019)

Page 115-121, doi:10.11607/prd.3219, PubMed:29677223


A 4-Year Retrospective Radiographic Study of Marginal Bone Loss of 156 Titanium Implants Placed with Ultrasonic Site Preparation
Schierano, Gianmario / Vercellotti, Tomaso / Modica, Fabio / Corrias, Giorgia / Russo, Crescenzo / Cavagnetto, Davide / Baldi, Domenico / Romano, Federica / Carossa, Stefano
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).