Comparison of botulinum toxin and orthognathic surgery for gummy smile correction

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dc.creatorCarlos Roberto Dutra
dc.creatorPaula Patricia Primo
dc.creatorDaniel Salvatore de Freitas
dc.creatorRenata Cristina Oliveira
dc.creatorRicardo Cesar Gobbi de Oliveira
dc.creatorKarina Maria Salvatore Freitas
dc.creatorFabricio Pinelli Valarelli
dc.creatorRodrigo Hermont Cançado
dc.date.accessioned2023-03-06T23:40:13Z
dc.date.accessioned2025-09-09T01:29:13Z
dc.date.available2023-03-06T23:40:13Z
dc.date.issued2020-09-24
dc.format.mimetypepdf
dc.identifier.doi10.2174/1874210602014010416
dc.identifier.issn18742106
dc.identifier.urihttps://hdl.handle.net/1843/50685
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofThe Open Dentistry Journal
dc.rightsAcesso Aberto
dc.subjectOrthognathic surgery
dc.subjectBotulinum toxins type a
dc.subjectIncisor
dc.subjectGingiva
dc.subjectSmiling
dc.subjectCalcium sulfate
dc.subject.otherEsthetics
dc.subject.otherGingiva
dc.subject.otherBotulinum toxins type A
dc.subject.otherOrthognathic surgery
dc.subject.other........................................................................................................................................................................................................................................
dc.subject.otherExtraoral photographs
dc.titleComparison of botulinum toxin and orthognathic surgery for gummy smile correction
dc.typeArtigo de periódico
local.citation.epage420
local.citation.issue1
local.citation.spage416
local.citation.volume14
local.description.resumoObjective: This study aimed to compare the changes in the gummy smile in cases treated with botulinum toxin (BTX) application or orthognathic surgery. Methods: The retrospective sample comprised 61 subjects with gummy smile divided into 2 groups according to treatment received for gummy smile correction: 1-38 patients (6 male; 32 female), at a mean age of 28.60 years (s.d.=6.09), treated with BTX application; 2- 23 patients (7 males and 16 females) at a mean age of 29.59 years (s.d.=5.72) treated with orthognathic surgery. Patients from the BTX group refused to undergo orthognathic surgery. The measurement of the gingival exposure was performed in extraoral photographs of the posed smile, before and after treatment, and it was defined as the difference between the stomion of the upper lip and the incisal edge of the maxillary central incisor minus the height of maxillary central incisor obtained in the patient's dental casts. The data were obtained before (T1) and after treatment (T2) and change of gingival exposure with treatment (T2-T1). Intergroup comparison of gummy smile was performed with independent t-tests. Results: The surgical group presented significantly greater correction of the gummy smile with treatment than the BTX group. Conclusion: Gummy smile presented a greater improvement in patients treated with orthognathic surgery than with botulinum toxin application
local.publisher.countryBrasil
local.publisher.departmentFAO - DEPARTAMENTO DE ODONTOLOGIA RESTAURADORA
local.publisher.departmentFAO - DEPARTAMENTO DE ODONTOPEDIATRIA E ORTODONTIA
local.publisher.initialsUFMG
local.url.externahttps://opendentistryjournal.com/VOLUME/14/

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