Abstract

Introduction: Reviews have shown that 1.5 - 20% of patients who underwent sinus surgery, whose surgical specimen was submitted to histological analysis, presented some type of fungal rhinosinusitis. The relationship between zygomatic implant and the maxillary sinus structures remains controversial; some authors have reported a low rate of sinusitis as a complication related to machined zygomatic implants placed with a two-stage protocol. The most frequent form of rhinosinusitis mycoses is the jaw cavity mycetoma. It is three times more frequent in women than in men, and it appears during middle age. Case report: Two cases of fungal infections are reported as secondary to surgical procedure after the installation of zygomatic implants. Discussion: Zygomatic implant placement invades the maxillary sinus and disturbs anatomical integrity. Furthermore, a rigid titanium trans-sinus foreign body is used to transmit occlusal loads up to the zygomatic bone. For all these reasons, it could interfere with the sinus clearance mechanisms, permeability of osteomeatal complex and mucociliary cleaning system. Conclusion: Among the complications of zygomatic implants, infection of the maxillary sinuses presents the highest rates. However, treatment ranges from conservative to the need for removal thereof.

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