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Immediate Implant Placement Into Fresh Extraction Sites Using Single-Drilling Bur and Two Loading Procedures

Follow-Up Results

Bettach, Raphaél, DDS*,†; Taschieri, Silvio, MD, DDS‡,§,||; Mortellaro, Carmen, MD, DDS||,¶; Del Fabbro, Massimo, MSc, PhD‡,§

doi: 10.1097/SCS.0000000000004675
Clinical Studies

Modern clinical protocols in implantology aim at shortening the treatment time and reducing duration and discomfort of the surgical phase, while maintaining optimal treatment outcomes. The purpose of this study was to evaluate clinical outcomes of implants immediately placed in extraction sites, using a single drilling step for implant site preparation. One-hundred thirty-three patients (mean age 55.3 ± 12.7 [SD] years, range 20–83 years) were treated at 2 clinical centers. Two-hundred sixty-one implants were inserted in fresh postextraction sockets. One-hundred sixty-five implants were immediately loaded (IL) and 96 underwent delayed loading (DL). Implant survival, peri-implant bone level change and patients’ satisfaction were assessed after at least 3 years of function. No patient dropout occurred. The mean follow-up was 63.61 ± 11.52 months (range 39.71–85.71 months) from prosthesis delivery. Two IL and 1 DL implant failed in 3 patients. Implant survival was 98.8% and 99% for IL and DL group, respectively. The mean marginal bone loss after 1 year was 0.48 ± 0.40 mm and 0.52 ± 0.34 mm for IL and DL group. No biological nor mechanical complications occurred. All patients demonstrated full satisfaction. The present protocol with single burs for site preparation produced satisfactory clinical outcomes independent of the loading timing. Further long-term comparative studies are needed to confirm the present findings.

*New York University, New York, NY

Private Practice, Gretz-Armainvilliers, France

Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano

§Dental Clinic, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy

||I. M. Sechenov First Moscow State Medical University, Moscow, Russia

Department of Medical Science, University of Eastern Piedmont, Novara, Italy.

Address correspondence and reprint requests to Prof. Massimo Del Fabbro, MSc, PhD, IRCCS Galeazzi Orthopedic Institute, University of Milano, Via Riccardo Galeazzi 4, 20161 Milano, Italy; E-mail: massimo.delfabbro@unimi.it

Received 26 January, 2018

Accepted 16 April, 2018

The authors report no conflicts of interest.

© 2018 by Mutaz B. Habal, MD.