In 1999, Cristian Petri successfully completed his 2-year dental technician college in Cluj-Napoca, Romania. Subsequently, he worked as dental technician until 2001. He then changed to work in USA and Germany as dental technician for almost 2 years. ( Mai -Oct 2001: New Jersey and Dec 2001 -Nov 2002: Althausen-MDT Alexander Konig).

In 2002, he opened his laboratory Artchrys in Cluj-Napoca.

He further specializes as he partakes to the courses conducted by Prof. Rudolf Slavicek, MDT Masimiliano Trombin, MDT Achim Ludvig, MDT Jan Langner, MDT Haristos Girinis, MDT Nondas Vlachopoulos, MDT Uwe Gehringer, MDT Thomas Stefan Sing and Sensei Sigeo Kataoka . Since 2011, he has been holding lectures and publishing information regarding the fabrication of complex implant restorations with a focus on functional and aesthetics.

Since 2013 he is pilot lab for Primogroup, opinion leader in Romania for imes-icore, Artiglio-Italy, Vertysystem, Imetric.

He is co-founder and vicepresident of Dental Initiative Romania.