Why do some people wear braces? -- What do my teeth look like? -- What do my teeth do? -- Why baby teeth fall out? -- What's inside a tooth? -- What's bad for my teeth? -- Why do I clean my teeth? -- Why do I go to the dentist? -- How do braces work? -- What's a toothache? -- How are teeth fixed? -- How can I take care of my teeth? -- The body's two sets of teeth.