OnabotulinumtoxinA for the treatment of a "gummy smile".

@article{Suber2014OnabotulinumtoxinAFT,
  title={OnabotulinumtoxinA for the treatment of a "gummy smile".},
  author={Jessica S Suber and Trish Phuong Dinh and Melanie D Prince and Paul Devon Smith},
  journal={Aesthetic surgery journal},
  year={2014},
  volume={34 3},
  pages={432-7}
}
BACKGROUND Excessive gingival display, or a "gummy smile," is defined as 2 mm or more of gingival exposure upon smiling. Such excessive gingival exposure can be aesthetically unappealing to patients. One factor that contributes to a gummy smile is hyperfunctional lip elevator muscles. OBJECTIVES The authors evaluate onabotulinumtoxinA as a safe and minimally invasive treatment for a gummy smile. METHODS In this prospective study, 14 patients (13 women, 1 man) underwent pretreatment… CONTINUE READING
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