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Management of Gingival Smile using Botulinum Toxin

Management of Gingival Smile using Botulinum Toxin Type A: pilot study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
REBEC
Registry ID
RBR-8p9fmn
Enrollment
Unknown
Registered
2020-03-11
Start date
2019-03-10
Completion date
Unknown
Last updated
2025-10-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Jaw Abnormalities

Interventions

No control group, only experimental: 16 patients. Topical anesthetic based on benzocaine 200 mg / g, for 1 minute, prior to the injection. Bilateral application of 4U of botulin toxin in the elevator
Procedure/surgery

Sponsors

Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul
Lead Sponsor
Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul
Collaborator

Eligibility

Age
18 Years to 40 Years

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

MeasureTime frame
Gingival exposure assessed longitudinally after application of botulinum toxin.

Secondary

MeasureTime frame
Adverse events resulting from the application of botulinum toxin to assess risks and discomfort;

Countries

Brazil

Contacts

Public ContactFernando Andriola

Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul

fernandoandriola@gmail.com+55-51-996030790

Outcome results

None listed

Source: REBEC (via WHO ICTRP)