Application of botulinum toxin at the Yonsei point for the treatment of gummy smile: A randomized controlled trial.
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DOI: 10.1097/prs.0000000000010623
Abstract: BACKGROUND Over the years, demand for less invasive procedures for treating gummy smile, such as botulinum toxin A injections, has substantially increased. Meanwhile, the optimal injection site for botulinum toxin A injection is still debatable.… read more here.
Keywords: gummy smile; yonsei point; botulinum toxin;