Dentist facts & stats

Question 1

According to the WHO, about how many people worldwide are affected by oral diseases (cavities, gum disease, etc.)?

Accepted Answer

nearly 3.7 billion. Oral diseases are among the most common health conditions worldwide.

Question 2

Worldwide, severe gum (periodontal) disease is estimated to affect more than:

Accepted Answer

more than 1 billion. Poor oral hygiene and tobacco use are the main risk factors.

Question 3

Globally, about what share of people aged 60 or older have lost all their natural teeth?

Accepted Answer

23%. Complete tooth loss is usually the end point of a lifetime of untreated oral disease.

Question 4

Globally, about what share of people aged 20 or older have lost all their natural teeth?

Accepted Answer

almost 7%. That share rises sharply with age, especially past 60.

Question 5

In the U.S., untreated childhood cavities and dental emergencies cause how many lost school hours each year?

Accepted Answer

34 million school hours. Dental pain is a common but often overlooked cause of missed school time.

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