1993 Study of medicine and dentistry at the Goethe University Frankfurt in Germany. Clinical training at Harvard Medical School in Boston, MA.
1998 Training as a dentist for oral and maxillofacial surgery at the University of Cologne and the interdisciplinary trauma center in Dortmund, qualifying as a consultant for oral and maxillofacial surgery and a dentist specialising in oral surgery.
2005 Establishing die Zahnerei, a practice for oral and maxillofacial surgery and aesthetic dentistry in Buxtehude in northern Germany. Die Zahnerei is also a training and professional development center for implantology and aesthetic dentistry. Dr. Hohl has over twenty years' experience of implantology training.
2007 Author of the book Metamorphoses of Smile and a patient guide on implantology. Published over fifty articles in international scientific and medical journals both in Germany and internationally.
2008 Creation of the The Smile Changer Concept. Development of the world's first "soft sedation" process, called Schlaf-schön-Sedierung, that he has been using regularly in his practice since 2014.
2014 Special interests are the The Smile Changerconcept, the SOAP success concept, immediate implantation and immediate loading. Other practice areas include aesthetic soft tissue management and plastic periodontal surgery. Another focus is the 3D reconstruction of peri-implant regions.