Match the words with the definitions.

Write the number of the definition near the word.

Toothpaste [ ]

Milk teeth [ ]

Tooth decay [ ]

Enamel [ ]

1. The hard, white, shiny substance that forms the covering of a tooth.

2. When your teeth become worse or damaged.

3. Teeth of young children and some other young mammals that fall out and are replaced by permanent teeth.

4. A substance that you put onto a toothbrush to clean your teeth.