SquareHeadBCSL Trimming can be done prosthetic Ease and compatibility forwelding (syncrystallization) can easily antirotatesGood effective.SquareHead implantBSCL body is thinwithwide threadswhich helps in the increase ofimplant bone contact area and increases the vascularity around the implant.The part that connects the implant and its abutment is called the neck of the implant. The surface of the basal implant is polishedwith less amount of accumulation of plaque and bacteria.Neck-Neck is the portion lying directly belowthe abutment portion. The neck is constricted to provide better gingival adaptation post healing,reduce rigidity and allowbending of15-25degree.