What is gingivitis?

What is gingivitis?A disease of the gums which starts round the arcs where the gums meet the teeth. The gums swell and became tender. It can be treated.

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Ani – Bird Encyclopedia for Kids

Ani: Bird Encyclopedia for Kids

Kingdom: Animalia Family: Cuculidae Order: Cuculiformes Class: Aves Ani – The anis are the three species …