Plaque is a sticky film of bacteria that constantly forms on your teeth. These bacteria release acids that eat away at tooth enamel, causing cavities. Plaque can also cause gum disease, which can lead to tooth loss. Brushing and flossing regularly help remove plaque from teeth, but reaching all areas of the mouth can be challenging. Professional dental cleanings are also crucial for removing plaque and preventing tooth decay. During a cleaning, a dentist or hygienist will use special tools to remove plaque from teeth and gums. They will also polish teeth and rinse away any remaining debris. In addition to professional cleanings, regular brushing and flossing at home are the best way to keep plaque under control.