{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T19:43:20Z","timestamp":1791575000861,"version":"4.3.4"},"reference-count":41,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2025,7,1]],"date-time":"2025-07-01T00:00:00Z","timestamp":1751328000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Division of Periodontology, University of Minnesota, School of Dentistry, Minnesota, USA"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["MPs"],"abstract":"<jats:p>Background: This study aimed to evaluate and compare the survival rates of immediate dental implants (type 1) in patients who received different types of prophylactic antibiotics. Methods: This retrospective analysis examined data from 3351 immediate implants placed in 2391 patients (mean age 59.56 \u00b1 13.42 years, 75.9% white, 53.6% female, 7.8% smokers, 6.7% with diabetes) within the BigMouth network between 2011 and 2022. Patient demographics, medical history, and the type of prophylactic antibiotic administered (amoxicillin, amoxicillin and clavulanic acid (Augmentin), clindamycin, azithromycin, ciprofloxacin, doxycycline, metronidazole) were analyzed in relation to implant survival or failure. Statistical analyses included descriptive statistics, chi-square tests, t-tests, Kaplan\u2013Meier survival analysis, and Cox regression. All statistical analyses were performed with a significance level at p &lt; 0.05. Results: The overall implant failure rate was 3.2% at the patient level (77 out of 2391 patients) and 1.9% at the implant level (65 out of 3351 implants), with a mean follow-up of 77 months. No significant associations were found between patient-related characteristics or implant position and implant failure, such as age (p = 0.84), gender (p = 0.30), or tobacco use (p = 0.83). Amoxicillin was the most frequently prescribed antibiotic (86.4%). Kaplan\u2013Meier survival analysis revealed significantly shorter survival times for implants in patients who received ciprofloxacin and clindamycin compared to amoxicillin (n = 2894 implants) (p &lt; 0.001). Cox regression analysis indicated a significantly increased risk of implant failure with ciprofloxacin (n = 5 implants) (HR: 16.50, p = 0.006) and clindamycin (n = 290 implants) (HR: 3.70, p &lt; 0.001) compared to amoxicillin. Conclusion: The choice of prophylactic antibiotic significantly impacted the survival of immediate dental implants. Ciprofloxacin and clindamycin were associated with higher failure rates compared to amoxicillin. These findings underscore the importance of antibiotic selection in immediate implant procedures and highlight the need for further research to establish evidence-based guidelines for antibiotic prophylaxis in this context.<\/jats:p>","DOI":"10.3390\/mps8040069","type":"journal-article","created":{"date-parts":[[2025,7,1]],"date-time":"2025-07-01T07:42:06Z","timestamp":1751355726000},"page":"69","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Comparing the Impact of Pre-Operative Antibiotics on the Outcomes of Immediately Placed Dental Implants: A Retrospective Multi-Center Study"],"prefix":"10.3390","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6951-8794","authenticated-orcid":false,"given":"Georgios S.","family":"Chatzopoulos","sequence":"first","affiliation":[{"name":"Department of Developmental and Surgical Sciences, Division of Periodontology, School of Dentistry, University of Minnesota, 515 Delaware Street SE, Minneapolis, MN 55455, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1448-5523","authenticated-orcid":false,"given":"Larry F.","family":"Wolff","sequence":"additional","affiliation":[{"name":"Department of Developmental and Surgical Sciences, Division of Periodontology, School of Dentistry, University of Minnesota, 515 Delaware Street SE, Minneapolis, MN 55455, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,7,1]]},"reference":[{"key":"ref_1","first-page":"1","article-title":"Osseointegrated implants in the treatment of the edentulous jaw: Experience from a 10-year period","volume":"16","year":"1977","journal-title":"Scand. 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