Drg. Levy J. Marpaung received his Doctor of Dental Surgery degree in 2019 from University of Indonesia. He is an active member of the Indonesia Dental Association. Due to his passion in dentistry, he continuously seeks out national and international courses and professional development opportunities that allow him to help his patient holistically. Most of his cases are Sleep-related Breathing Disorder, Sleep-related Rhythmic Movement Disorder (e.g sleep bruxism and clenching), Temporomandibular Disorder (TMD), and Oro-facial Myofunctional Disorder (OMD).