Post‐extraction implant placement into infected versus non‐infected sites: A multicenter retrospective clinical study. (26th July 2017)

• Record Type: Journal Article
• Authors: Zuffetti, Francesco; Capelli, Matteo; Galli, Fabio; Del Fabbro, Massimo; Testori, Tiziano
• Is Part Of: Clinical implant dentistry and related research. Volume 19:Number 5(2017:Oct.)
• Page Start: 833
• Page End: 840
• Publication Date: 2017-07-26
• Subjects: immediate implant placement -- infected site -- non‐infected site -- post‐extraction site -- survival rate; Dental implants -- Periodicals; Dental Implantation -- Periodicals; Dental Implants -- Periodicals; 617.693
• DOI: 10.1111/cid.12523
• Languages: English
• ISSNs: 1523-0899

Abstract

Abstract: Purpose: The aim of this study was to assess whether immediate implant placement into post‐extraction sites presenting a chronic infection poses a greater risk of implant failure than immediate placement in non‐infected sites. Materials and Methods: Records of patients who underwent extraction and immediate implant placement into both infected and non‐infected sites from January 1998 to September 2014 at 5 different dental centers were considered for inclusion. Included records were subjected to statistical analysis of survival rates, along with a number of other patient‐, implant‐, surgery‐, and prosthesis‐related variables. Results: The inclusion criteria were met by 369 patients who received a total of 527 implants. The follow‐up averaged 53.2 months (range 0.9‐158.3) for implants placed into non‐infected sockets ( N = 334) and 50.1 months (range 1.6‐146.1) for those placed into infected sites ( N = 193). Seven implants failed in non‐infected sites and 3 in infected ones. All failures occurred within 1 year of placement. Cumulative implant survival rate for non‐infected and infected sites was, respectively, 97.9% ± 0.8% and 98.4% ± 0.9%, being not significantly different ( P = .66). None of the investigated variables affected the outcome. Conclusions: Placement of implants into periodontally or endodontically infected sites immediately after tooth extraction is a safe option, even when the implants are loaded immediately or early.