Dentigerous cyst

Based on the information that a large dentigerous cyst was diagnosed during tooth extraction and there is suspicion of a pathological fracture of the maxillary floor, here is my professional view: Dentigerous cysts can grow significantly when associated with an impacted tooth, especially canines or third molars. Large cysts may cause thinning of cortical bone, expansion, and loss of structural integrity. When the cyst reaches a considerable size, pathological fracture of the maxillary floor or maxillary bone is possible, though not very common. If the surgical team is reporting this, it usually means: The bone was already extremely thin, or During surgical access, the weakened bone plate may have fractured. Important next steps: A CBCT scan is essential to evaluate: Size and extent of the cyst Actual presence of a pathological fracture Remaining bone support Proximity to sinus and surrounding structures Evaluation by Oral & Maxillofacial Surgeon (OMFS) is strongly recommended. Treatment considerations: Enucleation of the cyst is the ideal treatment if bone integrity allows. If the cyst is extremely large, marsupialization followed by enucleation may be recommended to reduce risk of fracture. If a pathological fracture is confirmed, management may include: Stabilization Sinus precautions Soft diet Possible internal fixation, depending on severity Antibiotics + decongestants if sinus involved Prognosis: With proper surgical management, healing is generally good. The maxilla has excellent blood supply; fractures heal well unless severely displaced. Red flags to monitor: Persistent nasal discharge Oro-antral communication Pain increasing after extraction Excessive swelling Difficulty in biting My Summary Opinion A large dentigerous cyst can definitely weaken maxillary bone, making a pathological fracture possible. However, the final diagnosis must rely on CBCT imaging. Most cases heal well with OMFS management, but timely intervention and proper follow-up are crucial.