Abstract
Objectives: This study was obtained through a literature review involving the botulinum toxin application protocols for the gingival smile, investigating the indication of this material for the smile harmony, analyzing the protocols of this application and determining the use of botulinum toxins instead surgery. Methods: This is a bibliographical review, carried out through a qualitative approach. Among the main parameters for the bibliographic survey, the collection of online works obtained in the Scientific Electronic Library Online (SCIELO), the Latin American Literature in Health Sciences (LILACS), the Virtual Health Library (VHL) and on Google Scholar. Results: In order to eliminate the problem of gingival smile and give the patient a harmonious and pleasant smile, the use of botulinum toxin is highlighted, since it is a more viable, safe, efficient and less invasive alternative when compared to surgery restorative Conclusion: Botulinum toxin is a great option to solve the problem of gingival smile, because it is easy to apply and less invasive.