Panoramic radiograph of an 8-year-old male with Diamond-Blackfan anemia who received chemotherapy and hematopoietic cell transplantation at age 3 years shows agenesis of his maxillary second premolars (red arrows), microdontia involving all 4 second permanent molars and mandibular second premolars (red ovals), and delayed development of the permanent dentition. Panoramic radiograph of an 8-year-old male with Diamond-Blackfan anemia who received chemotherapy and hematopoietic cell transplantation at age 3 years shows agenesis of his maxillary second premolars (red arrows), microdontia involving all 4 second permanent molars and mandibular second premolars (red ovals), and delayed development of the permanent dentition. Priyanshi Ritwik TOJ 2018;18:351-357 Copyright © 2018 by Ochsner Clinic Foundation