Dr. Luc Vrielinck attended the Katholieke Universiteit Leuven, School of Dentistry in Belgium where he was trained as a dentist and as a maxillofacial surgeon. In 1989, he started a private practice in Ziekenhuis Oost Limburg in Genk, in Belgium. Since 1999, he has been working extensively with computer-based implant planning systems. This results in the use of several drill guide systems and navigation systems for implant placement. His special fi eld of interest is the atrophic maxilla and treatment with zygomatic and pterygoid implants. Dr. Vrielinck has authored several peer-reviewed journal articles on the subject of guided implant placement. He is also conducting zygoma implant courses on a regular basis.