Jaw Abnormalities
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients aged between 18 and 40 years, who presented gingival exposure when smiling, greater than or equal to 3 mm, bilaterally.
Exclusion criteria
Exclusion criteria: patients with systemic impairment, a history of hypersensitivity to the toxin, immunodeficiencies or who had applied the toxin less than six months ago; patients who received treatment with aminoglycosides, anticholinergic drugs or other agents that could interfere with neuromuscular transmissions or muscle relaxants (as the effect of botulinum toxin can be enhanced); patients with neuropathic diseases of the peripheral system, sclerosis or any disorders of the neuromuscular junction due to the increased risk of clinically significant adverse reactions; patients with infection at the application site, psychologically unstable or pregnant women.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Gingival exposure assessed longitudinally after application of botulinum toxin. | — |
Secondary
| Measure | Time frame |
|---|---|
| Adverse events resulting from the application of botulinum toxin to assess risks and discomfort; | — |
Countries
Brazil
Contacts
Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul