NUMERO: #20230461

Título: THERMAL DAMAGE INDUCED BY SURGICAL LASERS IN BIOPSY OF ORAL LESIONS

Nome do Apresentador: Heloisa GONSALVES

Categoria do Trabalho: Painel de pesquisa científica (PPC)

Área Temática: Patologia Oral

Resumo: ABSTRACT
Objective: To verify the frequency, extension and determinant factors of thermal damage in histological sections of oral biopsies performed with surgical lasers.
Methods: The area of thermal damage was determined in histological sections of oral biopsies (n=166) performed with surgical laser.
Results: The two most frequent laser types were diode laser (980nm, 1.5W, continuous mode) and CO2 laser (10600nm, 2.0 to 5.0W, continuous mode). Fibroma, inflammatory fibrous hyperplasia, and mucocele were the main anatomopathological diagnoses. In most cases (57.6%), the percentage of thermal damage area did not exceed 25% of the total area of the histological section. Diode laser exhibited a significant association (p=0.045) with smaller thermal damage area. There was no significant association between power and wavelength with the area of thermal damage.
Conclusion: It was not possible to determine the factors that are associated with thermal damage in histological sections of oral biopsies performed with surgical laser, because the great variability of the irradiation parameters adopted and the various equipment types. The area of thermal damage present in the histological sections did not make the histopathological diagnosis unfeasible in the most cases.
This work was supported by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - Brasil (CAPES) [Finance Code 001].

Autor 1:  Heloisa GONSALVES

E-mail 1:  [email protected]

Autor 2:   Erika Meneses Silva

E-mail 2:  [email protected]

Autor 3 :  Luciana Corrêa

E-mail 3:  [email protected]