41 Providing on-line training, namely, courses, seminars, workshops in the fields of dentistry, implantology and oral reconstruction; educational services, namely, conducting classes, seminars, conferences, workshops in the fields of dentistry, implantology and oral reconstruction; educational services, namely, conducting conferences, congresses, seminars, symposiums, training workshops featuring hands-on training and demonstrations, all in the fields of dentistry, implantology and oral reconstruction, and all for members of universities, science researchers, private firms, and science industry; education services, namely, providing non-downloadable webinars in the fields of dentistry, implantology and oral reconstruction; writing of articles for professional journals, other than for advertising or publicity in the fields of dentistry, implantology and oral reconstruction; publishing of journals articles, flyers, periodicals in the fields of dentistry, implantology and oral reconstruction; electronic publishing services, namely, publication of text and graphic works video and sound recordings of others on magnetic tapes, CD, DVD, pre-recorded USB flash drives and on-line featuring dentistry, implantology and oral reconstruction; non-downloadable electronic publications in the nature of journals, brochures, articles, flyers and periodicals in the fields of dentistry, implantology and oral reconstruction; publication of books; online publication of specialized electronic books and journals