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Your dentist says you need work done on your #17 tooth, and you feel too embarrassed to ask what exactly that means.
Well, you can stop wondering, because we have your numbers — when it comes to teeth, anyhow.
How are teeth numbered?
If your dentist is using the most common Universal Numbering System (the Adult version), numbering starts with the tooth all the way at the back, on the upper row, on the right. That tooth number 1 is your third molar (aka a wisdom tooth).
An adult typically has 16 teeth on both top and lower decks, and they’re numbered as shown below.