Fig. 5From: Acoustic diagnosis of elastic properties of human tooth by 320 MHz scanning acoustic microscopy after radiotherapy treatment for head and neck cancerElectron micrographs of the enamel and dentin of the human molar teeth. The images were obtained by Scanning Electron Microscopy (SEM) at 50000x. Left-hand side images represent enamel, while right-hand side show dentin. (a) Control (b) 2 Gy, (c) 8 Gy, (d) 20 Gy, (e) 30 Gy and (f) 60 Gy, respectivelyBack to article page