The American dentist, Levi Spear Parmly, was an advocate of flossing in the 1800s. Parmly had difficulty convincing a sceptical public that running a silk thread between the teeth would arrest tooth decay, while simultaneously promote healthy gums. During that time,
The American dentist, Levi Spear Parmly, was an advocate of flossing in the 1800s. Parmly had difficulty convincing a sceptical public that running a silk thread between the teeth would arrest tooth decay, while simultaneously promote healthy gums. During that time,