1. Ellaway R, Poulton T, Fors U, Mcgee JB, Albright S. Building a virtual patient commons. Med Teach. 2008;30:170–4.
2. Cook J. “ISDN videoconferencing in postgraduate dental education and orthodontic diagnosis”. Learning technology in medical education conference 1997 (CTI Medicine): 111–16.
3. “ADA Guide to understanding and documenting teledentistry events”. D 9995 and D 9996 ADA Guide 2017; version 1: 1–10.
4. Fernando MF, Lemos N, Roscoe M, Giraudea N. e health care in dentistry and oral medicine. A clinician’s guide 2017: 99–108.
5. Louis RF, Brian ML. Periodontics: medicine, surgery and implants, vol. 2004. 1st ed: Elsevier Mosby. p. 163–71.