Aesthetic Crown Lengthening: Laser Impact on Pain Perception and Perceptions on Self-esteem and Quality of Life

Aesthetic Crown Lengthening: Laser Impact on Pain Perception and Surgery Impact on Self-esteem and Quality of Life Perceptions

Gummy smile is a condition that promotes a disharmonious smile, altering confidence and decreasing self-esteem of many patients. Luckily, this problem in most cases is easily solved by aesthetic crown lengthening surgery. However, this is a surgery that is still considered by many patients to be painful and uncomfortable. Thereby, this study seeks both to evaluate possible changes in patients' self-esteem and self-confidence after the aesthetic crown lengthening surgery.

Study Overview

• Status: Completed
• Conditions: Self Concept; Pain Postoperative; Crown Lengthening
• Intervention / Treatment: Procedure: Crown lengthening surgery

Detailed Description

Periodontally healthy patients who expressed interest in undergoing ACL will be selected. Before surgery, two questionnaires will be administered: the OHIP-14/Brazil and the Rosenberg Self-Esteem Scale-UNIFESP/EPM. These tools are designed to assess patients' perceptions of self-esteem and quality of life and will be re-administered 30 days and one year after surgery.

• Study Type: Interventional
• Enrollment (Actual): 20
• Phase: Not Applicable

Contacts and Locations

Study Locations

• Brazil
  • São Paulo
    • Piracicaba, São Paulo, Brazil, 13414-903
      • University of Campinas, UNICAMP

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: Adult; Older Adult
• Accepts Healthy Volunteers: Yes

Description

Inclusion Criteria:

• Periodontal health diagnosis (full mouth bleeding on probing - BP <10%, clinical attachment level - CAL ≤ 3mm),
• Distance from the gingival margin to the cementum-enamel junction ≥ 3mm associated with a gingival smile and / or short clinical crowns when compared to anatomical crowns, due to the altered passive eruption or gingival overgrowth).
• Good general health

Exclusion Criteria:

• Presence of systemic changes (diabetes, heart disease, hepatitis, etc.)
• Use of medications (such as antibiotics, continuous anti-inflammatory drugs, phenytoin, cyclosporine) that may influence the response to the surgical treatment
• Diagnosis of gingivitis and/or periodontitis
• Smoking habit
• Pregnancy or lactation period

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Triple

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: Crown lenghtening surgery associated with Laser therapy; After crown lenghtening surgery in aesthetic area, the laser will be applied on the "Right" or "Left" oral side (chosen randomly), in all the 20 patients, in a "Split-mouth" model.	Procedure: Crown lengthening surgery; Following clinical and radiographic examinations and thorough case planning, surgical procedures were performed under local anesthesia by a single operator. After anesthesia, the distance from the gingival margin to the cementoenamel junction will be measured, and these values will be transferred to the gingival tissue to guide the procedure. Excess gingival tissue will be excised, and, when necessary, an osteotomy will be performed to re-establish the supracrestal attachment tissues.
Placebo Comparator: Crown lenghtening surgery without Laser therapy; After crown lenghtening surgery in aesthetic area, all the 20 patients, will not receive laser treatment on an oral side.	Procedure: Crown lengthening surgery; Following clinical and radiographic examinations and thorough case planning, surgical procedures were performed under local anesthesia by a single operator. After anesthesia, the distance from the gingival margin to the cementoenamel junction will be measured, and these values will be transferred to the gingival tissue to guide the procedure. Excess gingival tissue will be excised, and, when necessary, an osteotomy will be performed to re-establish the supracrestal attachment tissues.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Patients' levels of self-esteem and quality of life	The perceptions of self-esteem and quality will be measured through the OHIP-14/Brazil and the Rosenberg/UNIFESP-EPM Self-Esteem Scale questionnaires.The Rosenberg questionnaire addresses an individual's overall sense of self-worth and self-acceptance, evaluating both positive and negative self-perception domains to provide a holistic view of their self-esteem. It consists of 10 statements rated on a 4-point Likert scale, with responses ranging from 'Strongly Agree' to 'Strongly Disagree.' Scores range from 0 to 30, where higher scores indicate greater self-esteem, while lower scores suggest diminished self-worth or a negative self-view. The OHIP-14 (Oral Health Impact Profile-14) questionnaire evaluates the impact of oral health on an individual's quality of life. It measures functional and psychological well-being across seven domains to assess how oral conditions affect daily life and overall well-being.	From enrollment through study completion, an average of 2 years

Collaborators and Investigators

• Sponsor: University of Campinas, Brazil

Study record dates

Study Major Dates

• Study Start (Actual): January 20, 2021
• Primary Completion (Actual): September 20, 2021
• Study Completion (Actual): March 20, 2022

Study Registration Dates

• First Submitted: October 5, 2020
• First Submitted That Met QC Criteria: February 11, 2025
• First Posted (Actual): March 25, 2025

Study Record Updates

• Last Update Posted (Actual): March 25, 2025
• Last Update Submitted That Met QC Criteria: February 11, 2025
• Last Verified: October 1, 2020

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Pain; Neurologic Manifestations; Postoperative Complications; Pathologic Processes; Pain, Postoperative
• Other Study ID Numbers: 22735519.9.0000.5418

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: NO

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No
• product manufactured in and exported from the U.S.: No