Toothpaste: Plain old Baking Soda the Best?

 Isn't this amazing? I may try some Tom's sensitive toothpaste. But I am also thinking of going back to plain, old, unadulaterated and inexpensive baking soda! 

This list is from Dr. Scott Frey's website: http://www.freysmiles.com/blog/view/toothpaste-abrasiveness-low-abrasive-toothpastes

04      Toothbrush with plain water	91      Aquafresh Sensitive
07      Plain baking soda	93      Tom’s of Maine
15      Weleda Salt Toothpaste	94      Rembrandt Plus
30      Elmex Sensitive Plus	95      Oxyfresh with Fluoride
30      Weleda Plant Tooth Gel	95      Crest Regular
35      Arm & Hammer Dental Care	97      Oxyfresh Powder
40      Weleda Children’s Tooth Gel	101     Natural White
42      Arm &Hammer Advance Whitening	103     Mentadent
44      Squiggle Enamel Saver	103     Arm & Hammer Sensation
45      Weleda Calendula Toothpaste	104     Sensodyne Extra Whitening
45      Weleda Pink Toothpaste with Ratanhia	106     Colgate Platinum
45      Oxyfresh	106     Arm & Hammer Advance White
48      Arm & Hammer Dental Care Sensitive	107     Crest Sensitivity Protection
49      Tom’s of Maine Sensitive	110     Colgate Herbal
52      Arm & Hammer Peroxicare Regular	110     Amway Glister
53      Rembrandt Original	113     Aquafresh Whitening
53      Closys	117     Arm & Hammer Advance White Gel
54      Arm & Hammer Dental Care PM Bold Mint	117     Arm & Hammer Sensation Tartar Control
57      Tom’s of Maine Childrens	120     Close Up with Baking Soda
62      Supersmile	124     Colgate Whitening
63      Rembrandt Mint	130     Crest Extra Whitening
68      Colgate Regular	133     Ultra Brite
70      Colgate Total	144     Crest Multicare Whitening
70      Arm & Hammer Advance White Sensitive	145     Ultra Brite Advanced Whitening Formula
70      Colgate 2-in-1 Fresh Mint	150     Pepsodent
78      Biotene	65     Colgate Tartar Control
79      Sensodyne	168     Arm & Hammer Dental Care PM Fresh Mint
80      AIM	176     Nature’s Gate Paste
80      Close Up	200     Colgate 2-in-1TartarControl/Whitening
82      Under the Gum
83      Colgate Sensitive Max Strength	200     FDA recommended upper limit
87      Nature’s Gate	250     ADA recommended upper limit

Naturally, the formulations of the toothpastes listed are subject to change, but what you see here is the most current information I could find.