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Predictive value of tooth and sinuses radiological characteristics in managing odontogenic sinusitis of endodontic
Marta Kwiatkowska1, Kornel Szczygielski1, Łukasz Skrzypiec1
1Department of Otolaryngology with Division of Cranio-Maxillo-Facial Surgery; Military Institute of Medicine, Warsaw, Poland.
Background:
One of the most common causes of bacterial odontogenic sinusitis (ODS) is endodontic disease with periapical lesions (PAL). Referrals between otolaryngologists and dental specialists are indispensable for proper diagnosis and treatment. If the disease does not resolve after medical and root-canal treatment (RCT), tooth extraction, endoscopic sinus surgery (ESS) or both are the ways of management.The aim was to clarify the predictive value of disease's radiological characteristics for the further surgical intervention.
Methodology:
68 symptomatic patients evaluated by an otolaryngologist and dental specialist were included to this prospective observational cohort study. Patients who failed medical treatment of sinusitis (intranasal steroids, saline rinses and antibiotics) and RCT were treated either with ESS, tooth extraction or both at the same time.
Results:
87% of patients required surgical intervention. 12% improved after tooth extraction alone, 47% after ESS and 31% required both procedures. The degree of maxillary sinus' (MS) opacification was not correlated with the need of invasive procedures implementation, as opposed to ostiomeatal complex' patency (p<0.001). Cortical bone destruction towards the MS and multiple tooth roots involvement suggested ODS resolution only after combined surgical approach (p=0.041).
Conclusions:
Radiological characteristics of causative tooth and patency of ostiomeatal unit correlate with the evolution of ODS and need for either ESS and/or tooth extraction. Patients with multiple roots affected, shorter distance to the MS floor and PAL's with visible bone destruction may require tooth extraction and ESS to resolve ODS completely.
Clinical Implications:
Radiological data may help in earlier diagnosis and treatment of ODS with PALs for both otolaryngologists and dental specialists.
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