Mr. Chia-Heng Chung, born in Taiwan in 1971. He graduated from Department of Dental Technology and Materials Science, Central Taiwan University of Science and Technology in 1991. Mr. Chung is the founder of Lisin Dental Lab with more than 20 employees in Kaohsiung, Taiwan since 2003. After realizing the importance of technology, art and beauty are three key factors for the successful crown and bridge, Mr. Chung started his career to achieve those three goals. He completed several ceramic specialization programs in Vita, Noritake, Shofu,Creation, GC, and Ivoclar which are used in dairy practice for over twenty years. Now he focus mainly on the technology of Vita vm9 and Vita master and those achievements are all well acknowledged. Mr. Chung served as the Chair of Academic Education, Kaohsiung City Dental Technicians Association and was the preparatory committee member of Taiwan Academy of Aesthetic Dental Technology. He lectured nationally on dental technology and esthetic dentistry.