Alan Dalessandro: Solutions for Peri-Implantitis - A Multi-Factoral Problem LA&HA Symposium 2020 Related videos Ilay Maden: Advanced Treatment of Peri-Implantitis Using the LightWalker Dental Laser Giovanni Olivi: Next Level Endodontics: The Evolution of Bubbles. Part II Marcin Nowosielski: Er:YAG and Nd:YAG Assisted Apical Endodontic Microsurgery Protocol Henryk Frelich: Assessment of the Efficacy and Safety of Laser Snoring Treatment (NightLase®)