(PR125) Maxillary Sinusitis of Endodontic Origin a Continuation and Recall Assessment: Cohort II

Objectives: Maxillary sinusitis of endodontic origin (MSEO) is a novel term that has varied clinical and radiographic presentation. A CBCT is taken to evaluate the radiographic presence. At the initial presentation, patients who present for root canal treatment are evaluated and then given a SNOT-22 assessment. This assessment evaluates patients' presence and severity of maxillary sinusitis.

Methods: Cohort 1: 30 patients who required endodontic therapy on maxillary posterior dentition with radiographic evidence of maxillary sinus pathology were included in the study. A Sino-nasal Outcome Test (SNOT-22) survey was distributed to assess the severity of sinus disease. A generalized regression analysis was used to analyze the data. Cohort 2: Patients are continually being screened over this time frame and SNOT-22 surveys are being distributed. Patients from Cohort 1 are now being recalled to repeat SNOT-22 assessments and evaluate radiograph healing.

Results: We have found the following trends in our data collection: Endodontic lesions of maxillary posterior teeth are frequently associated with ipsilateral maxillary sinus abnormalities. An abnormal SNOT-22 was not associated with tooth pain. An abnormal SNOT-22 score is consistent with patients with MSEO lesions p<0.05 (n=29).

Conclusion: This is an ongoing research project, results and conclusions will be updated as we continue our research. We hope to see an improvement in SNOT-22 scores and radiographic pathology. This SNOT-22 assessment will help validate that endodontic treatment improves patients quality of life. This outcome will help establish the communication that is needed between ENTs and endodontists.