Premolars represent to be transitional tooth between incisors and molars. This transition makes the tooth more prone to variable root canal configuration possessing one to three canals. A comprehensive understanding of tooth morphology, angled radiographs, magnification, proper access preparation and sound knowledge on state of art instrumentation and obturation techniques are needed to ensure successful endodontic treatment. This case report describes a case report of three rooted maxillary first premolar managed by TCA technique