Facial Plastic Surgery: Q&A

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How to Fix a Bottom Lip That Pulls Down when I Smile or Talk?

I am 33 yrs old and was born with this. My bottom lip pulls down in left corner when I smile or talk. You can't notice it if I am not moving my mouth. I have been teased my entire life about it & some joke saying she looks like a stroke got her and that's not funny. Please help I will do anything to fix it.I don't even look at people when I talk to them I look down to the ground so they won't see it and ask what happened. What can be done?

2 Doctor Answers | Asked by kim in NC
+1

Correcting lower lip asymmetry upon smiling

  The lower lip naturally pulls down when you smile.  This is the normal physiologic function of the depressor anguli oris muscles innervated by the marginal mandibular bridge of the facial nerve.  The asymmetry that you are having can be socially embarrassing because one side may be partially paralyzed and the other is not.  You can attempt Botox in the hyperactive side to see if that helps, but short of cutting the nerve (which is not recommended), there is... more
+1

Asymmetric Smile Correction - Corner of Mouth Puulling down

As you know, our faces and our extremities are powered by two sets of opposing muscles. In the extremities certain muscles FLEX the limbs while others EXTEND them. In the face, certain muscles are LEVATORS (LIFT) structures while other muscles pull them down (DEPRESSORS).  The wonderful array of emotions are a reflection of variable tug of war pulling between the facial levators and facial depressor muscles. This is particularly obvious in the manner with which people smile and... more
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These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.

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