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Efficacy of a Modified Lip Repositioning Surgery Technique With Tie Levator Labii Superioris and Without Frenectomy and Myotomy for Treatment of Excessive Gingival Display: A Retrospective Study

Efficacy of a Modified Lip Repositioning Surgery Technique With Tie Levator Labii Superioris and Without Frenectomy and Myotomy for Treatment of Excessive Gingival Display: A Retrospective Study

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT06944535
Enrollment
32
Registered
2025-04-25
Start date
2023-09-12
Completion date
2024-09-20
Last updated
2025-09-19

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

Conditions

Excessive Gingival Display

Keywords

Excessive gingival display, gummy smile, ip repositioning surgery

Brief summary

This retrospective study aims to evaluate the effectiveness and safety of a modified lip repositioning surgery technique, performed without frenectomy and without myotomy, for the correction of excessive gingival display (gummy smile). Data were collected from the medical records and clinical photographs of patients who had previously undergone this surgical procedure at the study site.

Detailed description

Excessive gingival display, commonly referred to as a gummy smile, is an esthetic concern that may reduce patient satisfaction with their smile and overall facial appearance. Several treatment modalities have been suggested to address this condition, including orthodontic treatment, botulinum toxin injection, and various surgical techniques. Among surgical approaches, lip repositioning surgery has gained popularity due to its minimally invasive nature and ability to provide predictable esthetic outcomes. A modified lip repositioning technique, performed without frenectomy and without myotomy, has been introduced to reduce morbidity and simplify the procedure while maintaining effectiveness. However, published evidence has largely come from prospective interventional series. To further evaluate the clinical performance of this modified technique, we conducted a retrospective observational cohort study. Data were obtained from the medical records and clinical photographs of patients who had previously undergone the modified lip repositioning surgery at the study site. No new patients were enrolled and no interventions were prospectively carried out.

Interventions

PROCEDUREModified Lip Repositioning Surgery (Retrospective)

Patients previously underwent a modified lip repositioning surgery technique without frenectomy and without myotomy. For this retrospective study, only existing medical records and clinical photographs were reviewed. No new surgical intervention was performed.

Sponsors

Can Tho University of Medicine and Pharmacy
Lead SponsorOTHER

Study design

Observational model
OTHER
Time perspective
RETROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Patients treated with the modified lip repositioning surgery without frenectomy and without myotomy. * Complete medical records including pre- and post-operative documentation. * Clinical photographs available before and after surgery. * Minimum follow-up period documented (≥ 3 months).

Exclusion criteria

* The patient has trauma and facial deformities * Incomplete medical records or missing photographs. * Patients lost to follow-up before minimum period. * Patients who had undergone other concurrent surgical/orthodontic procedures affecting gingival display.

Design outcomes

Primary

MeasureTime frameDescription
Reduction in gingival display after modified lip repositioning surgeryBaseline and up to 12 months post-surgeryMeasurement of gingival display (in millimeters) on smile, comparing baseline (before surgery) and last available follow-up (after surgery), based on clinical photographs and medical records.

Countries

Vietnam

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026