publication 1995 A visual method of determining marginal placement of crowns. Issue Number 26(6) Pages 419-422 more of publication Patent from European Patent Office: Safety Syringe Safety syringe, comprising a housing for receiving a cartridge holder, a cartridge holder slidably mounted within the housing, the cartridge holder having a distal end mounting a needle and an… 2014 A visual method of determining marginal placement of crowns by Al-Obaida MI, Jamani KD, Fayyad MA 1995 A visual method of determining marginal placement of crowns. by Al-Obaida MI, Jamani KD, Fayyad MA 1995