Questions with the keyword 'teeth'

• What is the connection between a fixed orthodontic brace and a space shuttle and why? My orthodontist asked me this by howtaunk1 to Adam, Catherine, Karen, Leila, Nazim Comments: (So far, one comment )
• You said that we can die from not brushing our teeth, but how is that possible? by ejrw to Adam Comments: (No comments so far )
• Humans brush their teeth to keep them clean, but how do animals keep theirs clean? by ejrw and 2 others. to Adam, Catherine, Karen, Leila, Nazim Comments: (No comments so far )