Dr Villarroel earned a D.D.S from Valparaiso Dental School in Chile in 2000. After graduating, he received postgraduate training in operative dentistry, prosthodontics and periodontics at Ponta Grossa Dental School, Brazil (2002-2004). He completed a Fellowship in Implant Restoration on IEO - Brazil in 2007. He earned his Master of Science degree in Integrated Clinical from Ponta Grossa Dental School, Ponta Grossa State University in 2004. He received his PhD from Araraquara School of Dentistry, São Paulo State University in 2010.
Dr Villarroel was Associate Professor, Department of Operative Dentistry, Valparaiso Dental School (2006-2012) and visiting professor, Department of Postgraduate in Periodontics, Positivo University (2009-2011). Currently, he is director of the CWB Dental Training in Curitiba - Brazil where he conducts hands-on and courses on esthetic, prosthodontics and oral rehabilitation.
Dr Villarroel is a co-author of five dental books and several articles on the prosthodontics, esthetic and restorative dentistry area. He is on the editorial board of Journal Dental Press of Esthetic (Brazil) and He is a member of the Brazilian Society of Esthetic.
He has lectured in Brazil, Chile, Argentina, Peru, Bolivia, Paraguay, Uruguay, Colombia, Ecuador, Venezuela, Panama, Mexico, EEUU, Spain, Portugal, Germany, Switzerland, Italy and Belgium.
Private practice in Curitiba-Brazil, the focus of his clinical is limited to esthetic restorations, prosthodontics, periodontics and implants.