Pierre advised his students and friends of the highly injurious techniques used by charlatans and to avoid them .
In his book and all his life Fauchard denounced the quackery and fraud of dental charlatans and their exploitation of patients .
Pierre advised Fauchard 's students and friends of the highly injurious techniques used charlatans charlatans and to avoid them .
In his book and all his life Fauchard denounced the quackery and fraud of dental charlatans and their exploitation of patients .