tooth decay

NOUN

decay of a tooth

Synonyms

WEAK

caries cariosity cavity dental caries dental cavity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The challenge has been finding something that delivers sugar's familiar flavor while avoiding excess calories, tooth decay, and increased risks of obesity, insulin resistance, and diabetes.

From Science Daily • Jan. 13, 2026

The UK government on Tuesday extended a sugar tax to include milkshakes as part of the fight against obesity and tooth decay in children.

From Barron's • Nov. 25, 2025

Poor dental hygiene can led to tooth decay and gum infections, which can lead to tooth loss and gum disease.

From BBC • Nov. 22, 2025

Enamel damage plays a major role in tooth decay, which affects nearly half of the global population.

From Science Daily • Nov. 6, 2025

It turned out the headaches were a symptom of runaway tooth decay.

From "Escape from Camp 14: One Man's Remarkable Odyssey from North Korea to Freedom in the West" by Blaine Harden