Hamid Lisar, محمد جلال, حميد توفيقي, "The Histological study of the Efiiicacy of the Coral particles on parietal bone healing of rabbit", 2end international oral & maxillofacial surgery congress, 2008/05/16, Issue:

Hamid Lisar, Nima Bakhshalian, "Histologic Analysis of Osteopromotion Property of Homogenous Demineralized Dentin Matrix in Parietal Bone Defect in Rabbit", 2end international oral & maxillofacial surgery congress, 2008/05/16, Issue:

Hamid Lisar, رامين ميري, "Investigation the Effect of Chemical Gases in Creation Cleft Lip and Palate in the Children of Chemically Injured of Isphahan(Iran)",  third international oral & maxillofacial surgery congresst, 2009/04/22, Issue:

H.R. Azimi, "lATERAL CRURAL FOLDING IN RHINOPLASTY", کنگره بين المللي انجمن دندانپزشکي ايران, 2015/02/25

H.R. Azimi, "maxillary sinus wall as a source of bone graft for anterior maxillary implants", 14th international congress of iranian society of oral &maxillofacial surgeons, 2016/02/07

H.R. Azimi, "Mandibular ridghe augmentation with sandwich technique without fixation", 12th asian congress on oral&maxillofacial surgery, 2016/11/09

H.R. Azimi, "implant placement in fresh socket without preparation", 16th international congress of iranian society of oral & maxillofacial surgeones                                                              , 2018/02/15