A research team led by Northwestern University scientists has uncovered the structural makeup of human dental enamel at unprecedented atomic resolution, revealing lattice patterns and unexpected irregularities. Enamel is made up of tightly bunched, oblong crystals that are about 1,000 times smaller in width than a human hair. Image credit: Karen DeRocher, Northwestern University. Dental enamel is a principal component of teeth, and has evolved to...
