Manejo de tracto sinusal oronasal mediante tratamiento endodóntico: Reporte de caso

Abstract

Oronasal sinus tracts of odontogenic origin are rare entities that can pose diagnostic challenges due to the absence of evident dental symptoms. This report describes the case of a 35-year-old male patient with an oronasal sinus tract associated with pulpal necrosis and chronic apical abscess in tooth 21. The patient was initially misdiagnosed with a nasal cutaneous lesion and treated with antibiotics. A thorough clinical and radiographic evaluation revealed the odontogenic origin of the sinus tract. Nonsurgical endodontic treatment, including irrigation with sodium hypochlorite and intracanal medication with calcium hydroxide, resulted in favorable clinical and radiographic resolution. One-year follow-up showed apical bone healing and no recurrence of the sinus tract. This case highlights the importance of differential diagnosis and interdisciplinary collaboration between medical and dental professionals, as well as the effectiveness of nonsurgical endodontic treatment in resolving oronasal sinus tracts of dental origin.