Tooth Enamel, Your Mouth’s Diamonds
The hardest substance in the body is tooth enamel. In fact, the only natural occurring substance harder than tooth enamel is diamond. Tooth enamel, your teeth’s natural defense system, is the hard white substance covering the crown of a tooth.
Unfortunately, tooth enamel can wear away over time.
Acids also temporarily soften your tooth every time you eat or drink, so it becomes vulnerable. Luckily, your saliva contains compounds that re-strengthen tooth enamel soon after this occurs. All components of the mouth work together, and therefore you need regular check-ups to make sure that everything is functioning properly.
Not only does tooth enamel protect your teeth, but it also controls how temperature is sensed in the intern
Poll: Would you rather: Christmas in summer forever or winter forever?
Just a bit of a fun poll to get you thinking.
If you had to live out your Christmas days, would you prefer it was a summer Christmas or a winter Christmas?
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63.3% Summer
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35.4% Winter
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1.3% Other - I'll share below
New Year, New Questions You Won’t Solve!
I get smaller every time I take a bath.
What am I?
Do you think you know the answer to our daily riddle? Don't spoil it for your neighbours! Simply 'Like' this post and we'll post the answer in the comments below at 2pm.
Want to stop seeing riddles in your newsfeed?
Head here and hover on the Following button on the top right of the page (and it will show Unfollow) and then click it. If it is giving you the option to Follow, then you've successfully unfollowed the Riddles page.
Share your summer photos! 📷
Taken some beautiful snaps lately? Whether it's rainbows, sunsets or a beautiful summer's day, we'd love you to share the joy with us.
Share a photo in the comments below
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