Maxillary sinus lift using fresh frozen bone chips in presence of sinus cyst: clinical and histological report.

The reconstruction of edentulous patients with adequate bone volume and density by the use of bone graft and, subsequently, the placement of dental implants has become a viable treatment option with high predictability. According to many authors, maxillary antral cysts are one of the most common benign pathologies of the maxillary sinus, and they also represent an important contraindication to sinus regenerative surgical technique. The authors report a case of maxillary atrophy which is augmented by fresh frozen bone chips in the presence of antral cysts.