"He hides his smile in every school photo," Jayden's mother told me, holding up a picture of her 6-year-old son.

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.

Jayden had visible cavities on his front teeth – dark spots that had become the target of teasing and bullying by classmates. The pain had become so severe that he began missing school.

It was apparently that exact rigor, with the aid of Colgate and medium bristles, that caused some enamel loss near the gum ...

Jayden had visible cavities on his front teeth – dark spots that had become the target of teasing and bullying by classmates. The pain had become so severe that he began missing school.