Bay L M, Langebaek J
Scand J Dent Res. 1978 Jul;86(4):303-4. doi: 10.1111/j.1600-0722.1978.tb00631.x.
The aim of this clinical study was to evaluate the effect on plaque formation after gingivectomy when the periodontal dressing Coe-Pak was coated with chlorhexidine-hydrochloride powder. The study indicates that no additional plaque-inhibiting effect can be obtained by this method.