A Modified Approach in Lip Repositioning Surgery for Excessive Gingival Display to Minimize Post-Surgical Relapse: A Randomized Controlled Clinical Trial

Lip repositioning surgeries are performed to treat patients with excessive GD (EGD). This study aimed to explore and compare the long-term clinical results and stability following the modified lip repositioning surgical technique (MLRS) with the addition of periosteal sutures compared to the convent...

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Bibliographic Details
Published in:Diagnostics (Basel) 2023-02, Vol.13 (4), p.716
Main Author: AlJasser, Reham N
Format: Article
Language:English
Subjects:
Care and treatment
Clinical trials
Dentistry
gummy smile
lip length
lip repositioning
lip surgery
Lips
LipStaT
Methods
Patients
Periodontal disease
Surgery
Surgery, Plastic
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Summary:Lip repositioning surgeries are performed to treat patients with excessive GD (EGD). This study aimed to explore and compare the long-term clinical results and stability following the modified lip repositioning surgical technique (MLRS) with the addition of periosteal sutures compared to the conventional lip repositioning surgery (LipStaT ) in order to address EGD. A controlled clinical trial with female participants ( = 200) intended to improve their gummy smile were divided into control ( = 100) and test ( = 100) groups. The gingival display (GD), maxillary lip length at rest (MLLR), and maxillary lip length at maximum smile (MLLS) were measured at four time intervals (Baseline; 1 Month; 6 Months, and 1 Year) in millimeters (mm). Data were analyzed by -tests, Bonferroni-test, and regression analysis using SPSS software. At the one-year follow-up, GD for the control and test groups were 3.77 + 1.76 mm and 2.48 + 0.86 mm, respectively, and their comparisons showed that GD was considerably lower ( = 0.000) in the test group compared to the control group. The MLLS measurements taken at baseline, one-month, six-month, and one-year follow-up showed no significant differences ( > 0.05) between the control and test groups. At baseline, one-month, and six-month follow-up, the mean and standard deviation for the MLLR were almost similar, with no statistically significant difference ( = 0.675). The MLRS is a successful and viable treatment option for the treatment of patients with EGD. The current study showed stable results and no recurrence with MLRS until the one-year follow-up compared to LipStaT . With the MLRS, a 2 to 3 mm decline in EGD is usually to be expected.
ISSN:2075-4418
2075-4418
DOI:10.3390/diagnostics13040716