A toothbrush is a small, handheld tool used for cleaning teeth. It typically has a long handle and a head with bristles that help remove food particles and plaque from the surface of teeth. Toothbrushes come in various types, including manual and electric, and are designed for different age groups and dental needs. Regular use of a toothbrush is essential for maintaining good oral hygiene. Dentists recommend brushing at least twice a day, along with using toothpaste that contains fluoride. Proper brushing techniques can help prevent cavities, gum disease, and other dental issues, contributing to overall health.