Micro No. 20
by David Scharf - © Corbis. All Rights Reserved. - © David Scharf/Corbis
Human tooth dentine (dentin) (fracture surface)
Human tooth dentine (dentin) (fracture surface); 70% of dentin consists of the mineral hydroxyapatite, 20% is organic material, and 10% is water6,800X @ 8"x10" size Color synthesized with Scharf Multi-Detector Color SEM (Pat. #5,212,383) --- Image by © David Scharf/Corbis