You've probably heard the claim that it takes more muscles to frown than to smile. It's usually framed as a feel-good reason ...

In the 460-million-year-old Eriptychius, the researchers found large, open pulp cavities and branching dentin tubules — an ...

Oral melanoma is a rare cancer that forms in the mucosal tissues of the mouth. There may be no early symptoms, or a person may notice an area that is black or brown, with areas of gray ...

The doctor will take a medical history and examine the person by gently feeling the salivary glands inside of the mouth. Most salivary gland stones resolve with conservative treatment. Patients will ...

The sometimes uncomfortable sensations we feel in our teeth may be an evolutionary holdover from the scaly exteriors of ...

A new study reveals that the sensitivity of teeth, which makes them zing in a dentist's chair or ache after biting into ...