Wacker D R, Tjan A H
Department of Restorative Dentistry, Loma Linda University, School of Dentistry, Calif.
J Prosthet Dent. 1988 Jul;60(1):49-52. doi: 10.1016/0022-3913(88)90349-6.
This investigation revealed that lowering the powder/liquid ratio of zinc phosphate cement reduced the retention of posts.
这项研究表明,降低磷酸锌水门汀的粉液比会降低桩的固位力。