[The De affectibus oris, of Vittorio Trincavella of Venice].

The author states that starting with a work published in 1575 in the city of Venice, it is possible to rebuild in a complete way the Dentistry History of the XVI century; it is indeed an important testimony considering specially the lack of existing information and of authors dedicated specifically to this subject. The article center its interest in the Book number V and in the 13 chapters it is composed of and where there are described the common affections of the mouth and its surroundings. It is also given a biography of Trincavella and a panorama of Medicine of that time and by XVI and XVII centuries. Prof. Vidal offers also the translation from latin to french of Vittorio Trincavella, text made by Jean Marc Galeazzi, Paris.