Depends what country and location you are in.
China?
Arm and hammer baking soda+water.
Arm & Hammer Advanced White whitens your teeth the most.
This is unknown. However she endorsed "Hapee" toothpaste.
The best places to go for toothpaste coupons are the actual websites for the coupons. If you register at the arm and hammer or aquafresh websites, they have coupons right on the site that you can print.
Arm & Hammer is one brand of many brands owned by Church & Dwight company. Their ticker symbol is CHD and they trade on the New York Stock Exchange.They also own brands such as Oxyclean, Trojan Condoms Kaboom, Orange Glow, Oragel, Nair, AIM toothpaste, and Close-Up toothpaste.
Colgate is not the only ADA approved toothpast. Crest and Arm & Hammer are also ADA approved.
Believe it or not, use simple old toothpaste! NOT A GEL TOOTHPASTE, but the best is Baking Soda toothpaste "Arm & Hammer" if you can get it. Use a very soft close and dip it in the toothpaste and go in circular motions and then wipe clean with a soft dry cloth. You won't get it all out, but, it will take the worse away.
Arm and Hammer detergent is made by the Arm and Hammer company. The company is owned by Church and Dwight and dates back to 1867.
Metagross learns Hammer Arm on level 45.
Rampardos learns Hammer Arm as an Egg Move, which the father would need the move Hammer Arm in his move pool to pass down to the Cranidos.
Some dentists believe that a baking soda toothpaste can wear away the outer enamel of teeth. I also notice that the box doesn't contain the seal of approval by the American Dental Association. Therefore, you might want to research further before buying this product.