*Nicholas Lim^1,2, Joanne Ngo Uy² (1. Faculty of Dentistry, National University of Singapore, 2. NATIONAL UNIVERSITY CENTRE FOR ORAL HEALTH, SINGAPORE)

*Karina Mundiratri¹, Agus Dahlan¹, Abil Kurdi¹, Dwi Nugroho Juanda¹ (1. Faculty of Dental Medicine Universitas Airlangga Indonesia)

*Takafumi Otomaru¹, Yuka I Sumita² (1. Hibiya Park Front Dental Clinic, Tokyo, Japan., 2. Division of General Dentistry, The Nippon Dental University Hospital, Tokyo, Japan.)

*Mai Murase¹, Satoshi Matsui¹, Yuki Mouri¹, Nehasha Pradhan¹, Yuichi Yamatani², Noriyuki Wakabayashi¹ (1. Department of Advanced Prosthodontics Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University , 2. Dental Laboratory, Tokyo Medical and Dental University Hospital)

*Gintawat Doolgindachbaporn¹, Chakree Ongthiemsak², Krittaphat Fusang³, Narit Leepong⁴ (1. Graduate student, Department of Prosthetic Dentistry, Prince of Songkla University, Thailand, 2. Assistant Professor, Department of Prosthetic Dentistry, Prince of Songkla University, Songkhla, Thailand, 3. Graduate student, Department of Oral and Maxillofacial Surgery, Prince of Songkla University, Thailand, 4. Assistant Professor, Department of Oral and Maxillofacial Surgery, Prince of Songkla University, Thailand)

*Tomoko Izumikawa¹, Kazuya Doi¹, Kaien Wakamatsu¹, Reiko Kobatake¹, Kazuhiro Tsuga¹ (1. Hiroshima University)

*Wina Meiana Wijaya¹, Endang Wahyuningtyas¹, Sri Budi Barunawati¹, Intan Ruspita¹, Titik Ismiyati¹ (1. Departement of Prosthodontics, Universitas Gadjah Mada)

*Nanda Iswa Maysfera¹, syafrinani Syafrinani¹, Ricca Chairunnisa¹ (1. Specialist Program in Prosthodontic, Faculty of Dentistry, Universitas Sumatera Utara, Medan-Indonesia)

*Triani Umaiyah¹, Syafrinani Syafrinani¹, Putri Welda Utami Ritonga¹ (1. Specialist Program in Prosthodontic, Faculty of Dentistry , Universitas Sumatera Utara)