Piezosurgery is a relatively new technique of bone surgery that is recently gaining popularity in implantology, periodontics and oral surgery. The piezosurgery device produces specific ultrasound frequency modulation (22 000–35 000 Hz). The unit provides extreme precision and safety as well as micrometric cutting, thus allowing one to selectively section the mineralized bone structures. Moreover, the device causes less bleeding during and after the operation and the healing process is shorter. Due to the aforementioned advantages, an ultrasound device could be utilized in a wide range of surgical procedures, e.g. impacted tooth extraction, elevation of the Schneiderian membrane, bone splitting or expansion of the ridge, preparing bone bed and bone sampling, and corticotomy, not to menton cystectomy.
Paranasal sinus mucoceles are chronic, benign, mucous filled cystic lesions caused by obstruction of sinus ostia. Mucoceles are usually seen in the frontoethmoidal region. Maxillary sinus retention cysts are rare amongst paranasal sinus mucoceles. We present one such case of a 63-year-old woman, whose maxillary sinus mucocele revealed during radiological examination, was treated with the use of piezosurgery. In this article we also present the beneficial aspects of the ultrasound unit, that allows for precise removal of bone with minimal risk of injury to underlying soft tissues. It allows more successful and more complication-free surgical result for a less experienced surgeon that could be especially beneficial for preparation of the Schneider's membrane. Furthermore, it gives minimal operative invasion as well as provides less bleeding intra-and postoperative.
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