Results: 5

The efficacy of low-level 940 nm laser therapy with different energy intensities on bone healing

Abstract The aim of this study was to evaluate the efficacy of low-level 940 nm laser therapy with energy intensities of 5, 10 and 20 J/cm2 on bone healing in an animal model. A total of 48 female adult Wistar rats underwent surgery to create bone defects in the right tibias. Low-level laser therapy (LLL...

The effects of riboflavin and ultraviolet light on keratocytes cultured in vitro

Arq. bras. oftalmol; 79 (3), 2016
ABSTRACT Purpose: To culture quiescent human keratocytes and evaluate the effects of ultraviolet light and riboflavin on human corneal keratocytes in vitro. Methods: Keratocytes were obtained from remaining corneoscleral ring donor corneas previously used in corneal transplant surgeries and cultured in...

Influência de diferentes densidades de energia do laser de baixa intensidade em fibroblastos derivados da polpa de dentes decíduos

O objetivo deste trabalho foi comparar os efeitos de diferentes densidades de energia e irradiâncias do Laser de Baixa Intensidade (LBI), variando em função do tempo de irradiação e potência, na viabilidade e proliferação de fibroblastos derivados da polpa de dentes decíduos humanos (HPF). HPF f...

Effects of radiofrequency on the healing of skin wounds in rats: analysis using digital planigraphy and histological evaluation

Rev. bras. cir. plást; 31 (4), 2016
Introduction: Given the extensive use of plastic surgery and the search for better aesthetic and functional results, it is necessary to research ways to improve healing and scarring. The objective is to evaluate the effects of three radiofrequency (RF) sessions in healing the skin of mice. Methods: Forty...

Conserved genes and pathways in primary human fibroblast strains undergoing replicative and radiation induced senescence

Biol. Res; 49 (), 2016
BACKGROUND: Cellular senescence is induced either internally, for example by replication exhaustion and cell division, or externally, for example by irradiation. In both cases, cellular damages accumulate which, if not successfully repaired, can result in senescence induction. Recently, we determined the...