Anatomic Variations and Anomalies in Mandibular First Premolar Teeth

Mandibular Premolars have been reported with complex anatomical variations making them one of the most difficult teeth to manage endodontically. A clear knowledge and understanding of the anatomy of human teeth is an essential requirement for all dental procedures especially in the case of root canal treatment that deals with the management of tooth’s internal anatomy. The purpose of this article is to call attention to the internal and external variations associated with the mandibular first premolar, an awareness of which will contribute to increased success of endodontic therapy.