Which is One of the Most Common Diseases of the Mouth

Question

Which is one of the most common diseases of the mouth and teeth in the developed world?
A) periodontitis
B) dental caries
C) gingivitis
D) thrush

Accepted Answer

Dental caries, also known as tooth decay or cavities, is one of the most common diseases of the mouth and teeth in the developed world. It is caused by bacteria that produce acid which erodes the tooth enamel over time.