Maxillary sinus is the most common site of fungus ball formation in the nasal cavity and among paranasal sinuses. It is characterized by accumulation of fungal debris in the sinus without mucosal invasion. Similar content being viewed by othersįungus ball is the most common form of non-invasive fungal sinusitis. Therefore, dental implant surgeons should take caution in penetrating the maxillary sinus floor during implant insertion and otolaryngologists should consider the possibility of fungus ball when assessing patients with sinusitis who have dental implants. Dental implant can be a potential risk factor for MFB development. The number of patients with dental implants was greater ( P = 0.085) and the number of implants was significantly higher ( P = 0.031) in the MFB group. The number of dental implants on maxillary teeth and degree of penetration into the maxillary sinus was radiologically evaluated. Stratified random sampling of 30 patients from each group was performed to adjust for age. One hundred one patients who underwent unilateral maxillary sinus surgery were divided into two groups based on surgical biopsy results: unilateral bacterial sinusitis (UBS, n = 45) and MFB (n = 56). This study analyzed the association between MFB and dental implants. The prevalence of MFB has recently increased however, its contributing factors are unclear. Maxillary sinus fungus ball (MFB) accounts for a considerable proportion of unilateral maxillary sinusitis. Fungus ball is the most common form of non-invasive fungal sinusitis, and maxillary sinus is the most commonly involved site.
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