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Gummy Smile clinical trials

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NCT ID: NCT05512312 Completed - Gummy Smile Clinical Trials

Computer Guided Esthetic Crown Lengthening

Start date: January 2, 2022
Phase: N/A
Study type: Interventional

The objective of the present study was to evaluate the effectiveness of surgical esthetic crown lengthening using digitally assisted 3D printed surgical stents in management of excessive gingival display due to altered passive eruption.

NCT ID: NCT05057286 Completed - Gummy Smile Clinical Trials

Effect of Clinical Crown Lengthening Surgery and Botulinum Toxin A Injection in Gummy Smile Treatment

Start date: August 1, 2020
Phase: Phase 4
Study type: Interventional

Background: The demand for beauty is increasing in society as everyone is looking for cosmetic improvement, including gummy smile correction. Object: This study aims to evaluate the efficacy of a combination of a clinical tooth crowns lengthening surgery following by a BTX-A injection in gummy smile treatment upon based on clinical assessment and photography Method: An uncontrolled longitudinal study was implemented at the Faculty of Odonto-Stomatology (FOS) of the University of Medicine and Pharmacy at Ho Chi Minh City (UMPH), Viet Nam, from August 2020 to May 2021. Twenty patients (19 females and one male) at a mean age of 24 years old who came for gummy smile chief complaint were included in the study. Subjects were operated to lengthen the clinical crown following an additional botulinum toxin A injection two months post-surgery. All the participants answered the smile esthetic satisfactory questions and were photographed at the time before treatment (T0), two months after clinical crown lengthening surgery (T1), two weeks (T2), and two months (T3) follow-up visits after BTX-A injection. The gingival exposure (GE) and clinical crown length (CCL) were measured at each time point for analysis.

NCT ID: NCT04553952 Completed - Gummy Smile Clinical Trials

The Distribution of Gingival Display and Possible Related Factors Resulting in Gummy Smile

Start date: November 9, 2019
Phase:
Study type: Observational

This study primarily aimed to evaluate smile line distribution and prevalence of gummy smile in patients. The secondary purpose was to examine parameters that might be risk factors for gummy smile.

NCT ID: NCT04375540 Completed - Clinical trials for Orthodontic Treatment

Vertical Gingival Display Changes Associated With Upper Premolars Extraction

Start date: September 1, 2016
Phase: N/A
Study type: Interventional

To investigate and compare vertical gingival display (VGD) changes associated with upper premolars extraction during orthodontic treatment.