Also known as the Oralista method, it is of current education of the deaf which establishes that all communication with the deaf children, as well as communication among deaf adults, must be made exclusively by means of the word and the lip reading. This theory holds that the use of the manual alphabet and gestural language delay or prevent deaf child to acquire the use of the word or a decoction of the language in a natural way. Lip reading. Read a letter. Do something with the mouth or tongue.