Horizontal animation deformity as unusual complication of neurotoxin modulation of the gummy smile

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" Horizontal animation deformity as unusual complication of neurotoxin modulation of the gummy smile "
Chen, Gang; Oranges, Carlo M; Giordano, Salvatore; Huang, Rulin; Wang, Wenjin

Document Type	:	AL
Record Number	:	921751
Doc. No	:	LA49s9h9zh
Language of Document	:	English
Main Entry	:	Chen, Gang; Oranges, Carlo M; Giordano, Salvatore; Huang, Rulin; Wang, Wenjin
Title & Author	:	Horizontal animation deformity as unusual complication of neurotoxin modulation of the gummy smile [Article]\ Chen, Gang; Oranges, Carlo M; Giordano, Salvatore; Huang, Rulin; Wang, Wenjin
Title of Periodical	:	Dermatology Online Journal
Volume/ Issue Number	:	25/8
Date	:	2019
Abstract	:	Injections of botulinum toxin type A represent the most common nonsurgical cosmetic treatment worldwide. The authors report a case of dynamic horizontal wrinkling in the upper lip that appeared after botulinum toxin type A injections to treat gummy smile associated with nasal alar base reduction, in a 28-year-old woman. The anatomic features and pathogenic mechanism underlying this unusual complication are analyzed and discussed.