05/06/2025
White spot lesions are one of the earliest warning signs of tooth decay. They appear as chalky white, opaque patches on the surface of the teeth, especially near the gum line or in areas where dental plaque tends to accumulate. These white spots form when minerals like calcium and phosphate are lost from the enamel due to acid attacks caused by bacteria in dental plaque. These bacteria feed on sugars from food and produce acids that lower the pH in the mouth, leading to a process called enamel demineralization.
At this early stage, the enamel surface is still intact, and the damage can be reversed. With proper care, such as using fluoride toothpaste or fluoride varnish, applying remineralizing agents, improving oral hygiene, and reducing sugar intake, these white spots can be treated and the enamel can regain its strength.
If not managed, the demineralization can progress and cause cavities that require dental fillings. That’s why early detection is so important. Dentists may also use special tools to detect and monitor these lesions more accurately. Recognizing white spots early helps prevent more serious tooth decay and supports long-term dental health through preventive care.
