“…Recently, we have sequentially reported the in vitro and in vivo antibacterial action of Streblus asper leaf extract (SAE) on Streptococcus mutans (Taweechaisupapong et al, Wongkham et al, 2001), endodontic and periodontal pathogens (Taweechaisupapong et al, 2000a(Taweechaisupapong et al, , 2002a. Relatedly, mouthrinse containing SAE has a clinically measurable benefit on gingival health (Taweechaisupapong et al, 2002b).…”