First report of an acute purulent maxillary sinusitis caused by Pseudomonas aeruginosa secondary to dental implant placement in an immunocompetent patient.

Study design: In this case report, we present maxillary Pseudomonas aeruginosa sinusitis in an immunocompetent patient who underwent an autologous bone transplant for the insertion of dental implants. Results: The infection was eradicated after removal of the dental implants and long-term antibiotic therapy. Conclusion: Despite the infection resolution, severe complications were observed with important legal consequences.