Science and Education Publishing International Journal of Dental Sciences and Research 2 6A 2014 10 28 Bilateral Mandibular Second Premolar Macrodontia: An Enigmatous Anomaly 12 14 EN Abhilash. R. Krishnan Dr. Jayakrishnan Department of Oral Medicine and Radiology, Sri Sankara Dental College, Varkala. Trivandrum (Dist) Sumal. V. Raj Sooraj. S Sarika. S. Kamal Annie Rajan IJDSR201426A3 10.12691/ijdsr-2-6A-3 2014 10 08 2014 10 25 2014 10 28 The otherwise considered being one of the smallest and weakest teeth in the arch, mandibular second premolars have been found to almost double its size in macrodontia. Such anomalies of morphological alterations have caused the teeth to be more weak and prone to diseases, as accredited to the increased surface area and particular morphology. Bilateral mandibular second premolar macrodontia is an extremely rare dental anomaly with only 5 cases reported to date, among which the first case was reported in 1967 by Primack. This article focuses on a rare case report of bilateral macrodontia of mandibular second premolar in an 18year old male.