Banca de DEFESA: MARCELA LETÍCIA DA SILVA AZEVEDO

Uma banca de DEFESA de DOUTORADO foi cadastrada pelo programa.
STUDENT : MARCELA LETÍCIA DA SILVA AZEVEDO
DATE: 30/09/2024
TIME: 14:00
LOCAL: Departamento de Odontologia - Sala de aula III
TITLE:

EFFICACY OF LOW-LEVEL LASER THERAPY ON FIRST-INTENTION HEALING AND POSTOPERATIVE PAIN AFTER CROWN LENGTHENING SURGERY IN AESTHETIC AREAS: A RANDOMIZED CLINICAL TRIAL

KEY WORDS:

Low Power Laser; Photobiomodulation; Biostimulation; Dental Aesthetics; gingival smile.

PAGES: 87
BIG AREA: Ciências da Saúde
AREA: Odontologia
SUBÁREA: Periodontia
SUMMARY:

Low-level Laser Therapy (LLLT) has gained interest in Dentistry due to its photobiomodulatory effect, which is associated with tissue healing and reduction of postoperative pain. Objective: to evaluate the effectiveness of LLLT photobiomodulation on first-intention tissue healing and postoperative pain after crown lengthening surgery in aesthetic areas with full-thickness flap over a 3-month follow-up period. Methodology: 27 systemically healthy patients participated in a randomized, controlled, triple-blind, split-mouth clinical trial. They were divided into two groups: CG (control group): hemi-arch subjected only to surgery; and TG (test group): hemi-arch subjected to laser application after surgery – 4J, 660nm, 100W, applied for 5 minutes in a continuous motion along the entire surgical area. Periodontal parameters were evaluated, including Bleeding on Probing (BOP), Probing Depth (PD), Gingival Phenotype (GP), Keratinized Mucosa (KM), healing (using the Landry Index), postoperative pain (measured by the Numeric Visual Scale), quality of life (OHIP-14), patient satisfaction, and aesthetics (measured by the Pink Esthetic Score - PES). Evaluations were conducted at baseline, and on the 4th, 7th, 11th, 14th, 45th days, and 3 months post-surgery. Statistical tests were performed with a significance level of p < 0.05 and 95% confidence intervals. Results: all patients began and finished the study periodontally healthy. No significant improvements in tissue healing, reduction of postoperative pain, or periodontal aesthetics were observed at any time point due to the photobiomodulatory effect of LLLT. However, the crown lengthening surgery in aesthetic areas showed a positive impact on patients' quality of life and satisfaction. Conclusion: low-level laser did not accelerate first-intention tissue healing nor reduce pain after crown lengthening surgery in aesthetic areas with full-thickness flap over a 3-month follow-up period.

COMMITTEE MEMBERS:
Presidente - 2085732 - ANA RAFAELA LUZ DE AQUINO MARTINS
Interno - 1660087 - BRUNO CESAR DE VASCONCELOS GURGEL
Externo ao Programa - 1752956 - EULER MACIEL DANTAS - UFRNExterna à Instituição - DALIANA QUEIROGA DE CASTRO GOMES - UEPB
Externo à Instituição - JOÃO NILTON LOPES DE SOUSA