These are diagnostic tools designed to measure the acidity or alkalinity of oral fluid. They typically consist of small pieces of paper or plastic that change color when exposed to fluids with different pH levels. The color change is then compared to a chart to determine the corresponding pH value of the sample being tested.
Assessing the pH of oral fluid offers insights into overall health and well-being. Deviations from a normal range can indicate potential imbalances and may warrant further investigation. Monitoring these levels can aid in understanding dietary impacts, stress levels, and the effectiveness of certain medical treatments. Historically, such testing has been limited to laboratory settings, but advancements have made it accessible for personal monitoring.