The Shark Teeth study ...
If you haven't seen my Fundamentals of Safe Oral Health video series from 2014, here they are:
Video 3 : Shark teeth study. How do teeth last forever? &
Why do some make ignorant conclusions from simple science?
Hint Q - Is sea water acidic or alkaline? do fish need to 'clean' their teeth?
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Let's make sense of science and do better together.
World's 1st Prebiotic, Naturally Effective, Alkaline & all Safe Oral Care System is here www.drhishams.nz