Understanding the internal and external anatomy of the teeth, as well as the differences in presentation, is essential for the effectiveness of endodontic therapy. The maxillary central incisor's internal architecture is well documented, and it typically exhibits a single root and radicular canal system. With the help of radiography and computed tomography exams, this case report details the endodontic treatment of a maxillary central incisor with two roots and two canal systems. Case Report The endodontics clinic received a 27-year-old female Caucasian patient who needed root canal therapy for her right maxillary central incisor. The tooth was discovered to have an irreversible pulpitis and normal periradicular tissue after radiographic examination and pulp vitality testing. After that, a root canal was performed. Conclusion Dentists may fail to use a variety of diagnostic tools and may be unaware of all anatomical configurations for root canals, which could result in the untreated canal harbouring residual necrotic tissue and toxic compounds.