Association of Dental and Maxillary Sinus Pathologies with Ear, Nose and Throat Symptoms

Abstract

Objectives

To investigate the correlation between cone beam computerized tomography (CBCT) findings in the maxillary sinus, Ear-Nose-Throat (ENT) symptoms and dental pathologies in asymptomatic patients.

Materials and methods

A total 81 patients were referred for CBCT and filled a standard ENT visual analog scale (VAS) questionnaire. CBCT images were analyzed for sinus ostium obstruction, Schneiderian membrane thickening, sinus floor turbidity and the presence of polyps. Dental pathologies were evaluated with the aid of CBCT images, periapical x-rays and clinical examination. A possible correlation between the CBCT findings and the ENT/dental parameters was examined by applying Student's t-test and the chi-square test.

Results

Despite being asymptomatic, most of the 81 patients reported ENT symptoms in the questionnaire, thereby indicating that these symptoms were mainly subclinical. A significant correlation was found between the presence of polyps in the sinus and a decrease in smell/taste. Obstruction of the sinus meatus was associated with coughing; Turbidity was associated with ear congestion. Thickening of the Schneiderian membrane showed an association with both coughing and ear congestion. The mean number of missing posterior teeth correlated with postnasal drip and nasal congestion. Periapical pathology was associated with nasal discharge/runny nose.

Conclusions

The results emphasize the need to evaluate ENT symptoms when radiographic findings are identified in CBCT.

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