Recent CAT scans reveal that the ancient Romans in Pompeii had good dental health due to a low-sugar diet.

Don't expect to find a dentist's office if you ever visit the ancient Roman city of Pompeii.
The inhabitants most likely had no need for them. 
Elisa Vanacore, a dental expert and orthodontist currently studying Pompeiian bodies, said, “The inhabitants of Pompeii ate a lot of fruit and vegetables but very little sugar." She further noted, "They ate better