Runyan D A, Reddy T G, Shimoda L M
U.S. Army Dental Activity, Letterman Army Medical Center, San Francisco, Calif.
J Prosthet Dent. 1988 Dec;60(6):676-8. doi: 10.1016/0022-3913(88)90396-4.
Soaking retraction cord in an aluminum chloride solution before placing into gingival sulci does not lessen the cord's ability to absorb fluid. Black silk suture is clinically ineffective and should be replaced with a dark, size 0 impregnated retraction cord.
