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Published on: October 18, 2021
A retrospective study of 1925 consecutively placed immediate implants from 1988 to 2004
Barry Wagenberg1, Stuart J Froum
1Newark Beth Israel Hospital, Newark, New Jersey, USA.
Summary
Immediate implant placement (IIP) into fresh extraction sockets shows a 96% survival rate, making it a predictable dental procedure. Risk factors for failure include implant surface type, male gender, periodontal reasons for extraction, and inability to use amoxicillin.
Area of Science:
- Dental Implantology
- Oral Surgery
- Periodontology
Background:
- Immediate implant placement (IIP) in fresh extraction sockets is a common dental procedure.
- Assessing implant survival rates and identifying failure factors is crucial for predictable outcomes.
Purpose of the Study:
- To evaluate implant survival rates following immediate implant placement (IIP) into fresh extraction sockets.
- To identify risk factors associated with implant failure after IIP.
Main Methods:
- Retrospective chart review of 1925 immediate implant placements between 1988 and 2004.
- Included atraumatic extraction, IIP, bone allograft, and barrier placement.
- Documented implant failures, patient demographics, medical history, and treatment details.
Main Results:
- Overall implant survival rate was 96.0% (3.7% prerestoration, 0.3% postrestoration).
- Machined-surface implants had double the failure rate of rough-surface implants.
- Male gender, extractions for periodontal reasons, and inability to use postsurgical amoxicillin were significant risk factors for failure.
Conclusions:
- Immediate implant placement (IIP) is a predictable procedure with high survival rates (96%) over 1-16 years.
- Treatment planning for IIP should consider the reason for tooth extraction and the patient's ability to use postsurgical antibiotics.