List of Articles Hossein Kheirollahi Article 1 - Design and Analysis of a New Dental Implant using Finite Element Method Sadegh Rahmati Hossein Kheirollahi Abbas Azari International Journal of Advanced Design and Manufacturing Technology , Issue 4 , Year , Summer 2013 Article 2 - Design an Artificial Foot using Series Elastic Actuator Ali Moazemi goudarzi Hossein Kheirollahi Mohammad Fazeli Misagh Imani International Journal of Advanced Design and Manufacturing Technology , Issue 4 , Year , Summer 2014