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 In case you want random dental advice from Lyn.

It’s been a big issue of mine for decades, and so far the solution has been to eat fewer carbs but also eat a decent amount of calcium. And vitamin A and K2.

All my solutions have been dietary. My brushing and flossing was pretty consistent but as I changed diet, cavities or lack thereof would change radically. 
 I look forward to your dental book in 2026 :D 
 fluoride in the water works wonders.

it may replace iodine in the thyroid, some argue 
 That’s poison 
 I hear you but I also know that I have all my teeth 
 The big damage is not in the teeth, it’s in your pineal gland. 
 Fluoride in the water is contributor to a docile society. It calcifies your penil gland. The first time I was served such poisoned water I felt like I had been drugged the whole day after.  
 I swear my keyboard screws with me - pineal* 
 Topical fluoride works. Ingestion is not necessary.
If you chose to use fluoride in your caries prevention toolkit, you could pick up fluoridated tooth paste. 
 also in one of his logo therapy books, Victor Frankel claimed that being a concentration camp in nearly starving to death turned out to be really awesome for everybody's teeth 

there are disadvantages to this method of of taking care of your teeth of course 
 Eating fewer carbs means eating more fat.
Eating fewer carbs does not mean starving yourself to death. 
 I suggest to do magnesium supplement. 
 I would highly recommend chewing xylitol mints or gum after meals as well. I’ve been using them for over a year and at two dental appointments my hygienist has remarked on having almost nothing to do during my cleanings now. 
 I am a dentist and the majority of tooth decay that I see is diet related vs oral hygiene related.   it's about the frequency of refined carbohydrates, not the amount.   I tell patients regarding cavities I would rather they drank a 2 liter of pop at once than drink a 12 oz can over several hours. 
 Add some xylitol after every meal and after brushing before bed! Gum problems diminish and dental cleaning not necessary!👍👍😁😁❤️✅
 
 Interesting. After a quick search it seems Xylitol can not be metabolized by Streptococcus mutans. Will do further reading. Thanks for the hint!