According to both the Food and Drug Administration and the American Dental Association, this was the first toothpaste on the market to include the antibacterial ingredient triclosan, which has been proven effective for fighting gum disease (gingivitis).
(this; was; the first toothpaste on the market to include the antibacterial ingredient triclosan,) (the first toothpaste on the market; to include; the antibacterial ingredient triclosan, which has been proven effective for fighting gum disease (gingivitis)) (the antibacterial ingredient triclosan; has been proven; effective for fighting gum disease)
this the first toothpaste on the market the antibacterial ingredient triclosan
was to include has been proven
the first toothpaste on the market to include the antibacterial ingredient triclosan,
the antibacterial ingredient triclosan, which has been proven effective for fighting gum disease (gingivitis)
effective for fighting gum disease