Chin dimples only when mouth is closed, will putting Botox in the mentalis muscle make me unable to close my mouth?

Question

I have a genetically under-developed lower jaw, and because of that I have to put effort into keeping my mouth closed (I'm literally drawing my lower lip up to 'close' so my lips are together). However, doing so causes my chin to dimple. I know botox is a great solution, but will this make it impossible to close my lips together?

Jerome Edelstein, MD · Answer

It should be fine to receive Botox here, but make sure you only get a low dosage, especially since it's your first time.

M. Zakir Sabry, MD · Answer

Yes, chin dimples can be safely treated with judicious use of botox/ dysport. Consult your local Plastic Surgeon/ dermatologist. Thanks!

Brian C. Reuben, MD · Answer

Thank you for your question.  Use of Botox on the mentalis muscle in a conservative fashion should not cause any problems with closing your lips.  The nice thing about Botox is you can try a small amount and always titrate up or use additional if you do not get the desired outcome.  Additionally, if you over-treat, it does wear off. Best of luck.

Stephen Weber MD, FACS · Answer

In my experience, treatment of the pebble chin in someone with a small chin does not interfere with closing of the lips. The key, however, is to be conservative. More Botox can always be added but once someone is over treated you cannot remove it. Seek a consultation with an expert physician Botox injector - start with a plastic surgeon or dermatologist in your area. I hope this information is helpful for you.Stephen Weber MD, FACSDenver Facial Plastic Surgeon

F. Victor Rueckl, MD (in memoriam) · Answer

This area can be treated with conservative amounts of Botox. If it is overtreated, even by a unit or two, it can make it very hard to close the mouth and can even give a "stroke-like" look. Seek an appointment with an expert and be very conservative. "This answer has been solicited without seeing this patient and
cannot be held as true medical advice, but only opinion. Seek in-person
treatment with a trained medical professional for appropriate care."

Chin dimples only when mouth is closed, will putting Botox in the mentalis muscle make me unable to close my mouth?

Answers (5)

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