The antiacne activity of paste and powder of chitosan – Garcinia mangostana extract nanoparticles were observed that it’s against of Propionibacterium acnes. The paste of nanoparticles has been prepared by ionic gelation reaction by mixture 0.2% chitosan solution in acetic acid with Garcinia mangostana 70% ethanol extract and it’s continued by reaction process with 0.1% sodium tripolyphos…
Dental plaque is a soft deposit that forma a layer of biofilma containing bacteria and cling tightly to the tooth (Haake, 202). Until now, the plaque is still considered the main cause abnormal periodontal (gingivitis), in addition it can also facilitate the occurrence of plaque in dental caries (Caranza and Newman, 2002). Dental plaque is usually colorless so that the necessary plaque colorati…