Microscopical section of cremated tooth (IMAGE) Vrije Universiteit Brussel Caption Two bands of IGD in the permanent left 1st mandibular molar from B121 after burning at 800C for 2 hours. Band A has Grade 3 and shows both partially fused calcospherites, calcium salts, (close to the A) as well as dark semi-circular spaces towards the end of the band. Band B (see orange oval) has Grade 1. Note the heat-induced damage (white cracks) to the dentine (light brown). Credit (c) Barabara Veselka Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.