In 1999, Cristian Petri successfully completed his 2-year dental technician college in Cluj-Napoca, Romania. Subsequently, he worked as a dental technician until 2001. He then worked in the USA and Germany as a dental technician for almost 2 years: from May to October 2001 in New Jersey, USA, and from December 2001 to November 2002 in Althausen, Germany, under MDT Alexander König.

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

He further specialized by attending courses conducted by Prof. Rudolf Slavicek, MDT Massimiliano Trombin, MDT Achim Ludwig, MDT Jan Langner, MDT Haristos Girinis, MDT Nondas Vlachopoulos, MDT Uwe Gehringer, MDT Thomas Stefan Sing and Shigeo Kataoka. Since 2011, he has been giving lectures and publishing on the fabrication of complex implant restorations with a focus on function and esthetics.

He has received several awards for his career achievements:

2005: Dental Progress Award, Liechtenstein.

2014: First prize, in collaboration with Dr. Silvana Canjau, for the poster presentation "Minimal Invasive Therapy: The Solution to an Esthetic and Functional Outcome", Esthetic Dentistry International Congress, Bucharest, Romania.

2015: First prize, in collaboration with Dr. Silvana Canjau, for the poster presentation "Correct Management of Occlusal and Esthetic Rehabilitation: A Case Report", 12th International Congress of Esthetic Dentistry, Romania.

2017: Winner of the Award for Excellence in Prosthodontics by Zerodonto, AIOP, APS and JPD, Italy.

In 2018, Cristian Petri was inducted into the international "Oral Design" group by its founder Willi Geller, and he is the owner of the first "Oral Design" centre in Romania.

He is a Key Opinion Leader for "HASS Bio", "Jensen", "Imetric 4D" and "Vertysystem".

He is co-founder and president of "Dental Initiative Romania", a non-profit association with an educational purpose.