Chronic sinusitis complicating sinus lift surgery

Sinusitis has been reported as a complication of sinus lift surgery, with a ntral bone augmentation The procedure involves the creation of a submucoper iosteal pecker in the floor of the maxillary sinus for placement of a graft consisting of autogenous, allogenic, or alloplastic material. This can res ult in inadvertent rearing of the mucoperiosteal flap with extrusion of gra ft material into the antrum. Obstruction of the sinus outflow tract by muco sal edema and particulate graft material may result in sinusitis. We M ill discuss the clinical presentation and management of 14 cases of chronic sin usitis following sinus lift surgery with alloplastic hydroxyapatite (HA) au gmentation of the maxillary antrum.