Kleopatra Karaiskaki: Combined Application of Nd:YAG and Er:YAG Lasers in Nonsurgical Therapy of Chronic Periodontitis LA&HA Symposium 2019 Related videos LA&HA Symposium in Dentistry 2021 Tomaž Ivanušič: Laser Assisted Ceramic Removal Henryk Frelich: Assessment of the Efficacy and Safety of Laser Snoring Treatment (NightLase®) Ahmed M. Abdullah: Gingival Depigmentation with Fotona Er:YAG