The maxillary sinus due to anatomical relationship is closely related to dentistry in terms of odontogenic sinusitis, sinus lift surgery. Therefore it is crucial to analyse radiologic findings and those correlations with … clinical and endoscopic signs rhinosinusitis. The CBCT is informative method in evaluation of paranasal sinuses and dental status, with less radiation dose in comparison with the combination of dental X-ray and CT And OPG. The Lund-Mackay sinus evaluation system and patient dividing is risk groups before the preprosthetic dental surgery is advocated. The patient involvement in health managing processes and interdisciplinary teamwork are mandatory for the successful treatment.