Female patient *1979 by Dr. Oberhansl (Dr. Nölken). The aggressive periodontitis was treated during 3 years. Then, a fractured molar was replaced with an immediate implant.

Various factors may cause major bone loss resulting in functional and esthetic problems. In this module, Prof. Hendrik Terheyden reviews the mechanisms and consequences of bone resorption and explains the treatment options for specific situations in partially edentulous and edentulous patients.

In this module Prof. Christer Dahlin explains the principles of minor bone regeneration procedures. The focus is on the biologic principles of GBR, the importance and the choice of membranes, the characteristics of different bone substitute materials and the potential future developments.

The current restoration is insufficient and the supporting implants show periimplantitis. A new full-mouth rehabilitation has to be planned. This comprehensive case was treated by Dr. Thomas Hitz, Frauenfeld, Switzerland.

Straightforward periodontal treatments by Dr. Sanz Martin

The right central incisor is to be extracted, the emerging gap will be much wider than the left central incisor. A case treated by Dr. Thomas Truninger at the University of Zurich.

Male patient *1943 by B. Röthlisberger, N. P. Lang (2004-2006). Bilateral reconstruction in a case with gingivitis, FDP on implants (2 3-unit FDP, 2 single crowns)

Female patient (*1977) treated by Dr. D. Büchi (2009-2011). Functional and aesthetic rehabilitation of the anterior maxillary teeth with full-ceramic restorations.

A challenging case with congenitally missing teeth involving orthodontics, orthognatic surgery, implantology and prosthetics. This case was treated by PD Dr. Ronald Jung from the University of Zurich.

The patient came to Dr. Thomas Truninger for an esthetic rehabilitation. She was specially bothered by the large black triangles in the anterior maxilla.

A central incisor with reduced attachment and an old FDP in the aesthetic zone had to be replaced in a man with a medium lip line. The case was treated in the private office of Dr. Dominik Büchi, Chur, Switzerland.

Female patient *1958, by J. Tam and N. P. Lang (2009-2012). Periodontitis case with mobile and elongated anterior tooth, which was replaced by a single implant crown.