Add Yahoo as a preferred source to see more of our stories on Google. Photo illustration by Oona Zenda of KFF Health News. Becky Carroll was missing a few teeth, and others were stained or crooked.

Becky Carroll was missing a few teeth, and others were stained or crooked. Ashamed, she smiled with lips pressed closed. Her dentist offered to fix most of her teeth with root canals and crowns, ...