Teething in Infants: Causes, Symptoms, and Comforting Strategies As babies grow, many parents notice their little ones grinding their teeth. This behavior is quite common among infants between the ages of 4 months and 2 years. Teething often comes with habits like biting fingers or putting objects in the mouth. If these behaviors persist for an extended period, it’s important to guide and discourage them. Infants grind their teeth primarily due to stress release during metabolism and sensory stimulation. During teething, symptoms such as swollen and inflamed gums, decreased appetite, and reduced sleep quality can occur. Parents can use calcium... Learn more