A study at the University of Washington reveals that enamel on teeth changes with age, becoming more compact but brittle and integrating more fluoride through life. Researchers used atom probe tomography to map these changes, highlighting the significance of preserving enamel strength with good dental hygiene and diet. A study at the University of Washington reveals that enamel on teeth changes with age, becoming more compact but brittle and integrating more fluoride through life. Researchers used atom probe tomography to map these changes, highlighting the significance of preserving enamel strength with good dental hygiene and diet. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle