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Dentist facts & stats

7 fact-checked facts about teeth, dental science and dentistry, each with the reason behind it. 5 more are in today's round and join this page after it closes.

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The basics

How many permanent teeth does a typical adult have, including wisdom teeth?

Answer32

A full adult set is 32 teeth, including four wisdom teeth.

What is a dentist who straightens teeth with braces called?

AnswerOrthodontist

Orthodontists specialize in tooth and jaw alignment.

Going deeper

Which mineral is commonly added to toothpaste to help prevent cavities?

AnswerFluoride

Fluoride helps strengthen enamel.

Which teeth are commonly called 'wisdom teeth'?

AnswerThird molars

Wisdom teeth are the third molars, usually the last to come in.

Hardened plaque on teeth is called what?

AnswerTartar

Tartar, also called calculus, is plaque that has hardened.

Expert level

What is the layer just beneath the enamel called?

AnswerDentin

Dentin makes up most of the tooth beneath the enamel.

What does a periodontist specialize in?

AnswerGums and tissues that support teeth

Periodontists focus on gums and the bone around teeth.

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