Purpose
Odontogenic sinusitis and sinonasal complications of dental disease or treatment (SCDDT) represent a heterogeneous group of conditions that often require multidisciplinary care. The present study aims to prospectively validate a classification and treatment protocol for SCDDT patients.
Methods
One hundred twenty-eight consecutive patients (73 females and 45 males, mean age 52.4 years) affected by SCDDT not responding to dental and medical therapy were classified and surgically treated according to the proposed protocol. The protocol classified patients into three aetiology-based groups (preimplantologic, implantologic, and related to traditional dental diseases and procedures, respectively). The groups were further divided into classes according to the presence of oro-antral communications and/or dislocated dental hardware. Each condition was treated according to the class-related, protocol-defined treatment, by either a transnasal or combined transnasal/transoral approach. All patients were successfully classified according to our protocol. None of the proposed classes were redundant, and no condition fell outside the definitions.
Results
The surgical treatment protocol proved to be adequate and effective, in that 125 of the 128 patients completely recovered after surgical treatment.
Conclusions
The term SCDDT and the consequent classification proposed by the authors appear, therefore, to be nosologically correct. Furthermore, the protocol-related proposed treatment appears to be clinically sound, with a success rate nearing 98%.
Complete presurgery evaluation with endoscopy and a computed tomography (CT) scan in SCDDT patients is essential. SCDDT patients not responding to medical and dental treatment should be addressed with a planned approach targeting the extramaxillary extension, which may necessitate a combined oral and endonasal approach. It is unclear whether disease in the maxillary sinus contralateral to the primary maxillary sinus demonstrating odontogenic-induced disease is incidental, associated, or represents a subclinical odontogenic infection.
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