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: Is it ok to regift something that you have been given?
🎁 Holiday Gift Chat!
Do you ever regift?
What’s your take on asking for a receipt if a gift doesn’t fit?
-
79.4% Yes! It's better to regift what I don't need
-
20.6% No. It's the thought and effort that matters
Neighbourhood Challenge: Who Can Crack This One? ⛓️💥❔
What has a head but no brain?
Do you think you know the answer? Simply 'Like' this post if you know the answer and the big reveal will be posted in the comments at 2pm on the day!
Want to stop seeing these 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.
Poll: 🗑️ Would you be keen to switch to a fortnightly rubbish collection, or do you prefer things as they are?
Aucklanders, our weekly rubbish collections are staying after councillors voted to scrap a proposed trial of fortnightly pick-ups.
We want to hear from you: would you be keen to switch to a fortnightly rubbish collection, or do you prefer things as they are?
Keen for the details? Read up about the scrapped collection trial here.
-
82.3% Same!
-
17.7% Would have liked to try something different
Loading…
