Oral health screenings pick up more than just cavities - they can also pick up the signs of underlying conditions. In the Eastern Cape's OR Tambo District, three dentists serve more than 400,000 people. (File photo)

Oral health screenings pick up more than just cavities – they can also pick up the signs of underlying conditions. In the Eastern Cape’s OR Tambo District, three dentists serve more than 400,000 people. (File photo)