Cavities form from tooth decay and can lead to pain or tooth loss. Here's a roundup of symptoms, causes and expert tips to protect your teeth and maintain good oral health.

A simple swipe of fluoride varnish in schools is emerging as a powerful, cost-effective tool to fight childhood cavities and reduce health disparities.

How to Prevent Cavities in Children. According to the Centers for Disease Control and Prevention, about 20% of children between the ages of 5 and 11 have at least one untreated decayed tooth.

Our research team found that school fluoride varnish programs, implemented primarily in communities with lower incomes and high cavity risk among children, achieve meaningful rates of student ...

More than half of US teens have had at least one cavity, but fluoride programs in schools help prevent them – new research By Christina Scherrer , Kennesaw State University June 25, 2025 ...