Complex sentence: Linear enamel hypoplasias (LEH) are examples of periods of stress or disruption in a child's health where horizontal bands form on the teeth that can be examined macroscopically and represent a localized decrease in enamel thickness.
Split into simpler sentences: Linear enamel hypoplasias (LEH) are examples of periods of stress or disruption in a child's health. They are horizontal bands on the teeth that can be examined macroscopically and represent a localized decrease in enamel thickness.