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Why Does My Lip Go up When I Smile?

Maya Lin-Takahashi • • 6 min read
Why Does My Lip Go up When I Smile?
★ Key Takeaways

An Uneven Smile Can Be Caused by a Number of Factors, Including Chewing on One Side More Than the Other, Crooked or Crowded Teeth, an Injury, Tissue Trauma, Bell's Palsy, or Even Genetics. There Are Tons of Different Reasons Why Your Smile Might Not Be Perfectly Symmetrical, and Some Are Only Temporary.

Are why Does My Lip Go up When I Smile a question on your mind? Discover the full story in our feature story.

Direct Answer • Key Takeaway

An Uneven Smile Can Be Caused by a Number of Factors, Including Chewing on One Side More Than the Other, Crooked or Crowded Teeth, an Injury, Tissue Trauma, Bell's Palsy, or Even Genetics. There Are Tons of Different Reasons Why Your Smile Might Not Be Perfectly Symmetrical, and Some Are Only Temporary.

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Maya Lin-Takahashi
Author

Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.