Mechanisms of low-power laser light action on cellular level

2000 ◽  
Author(s):  
Tiina I. Karu
Keyword(s):  
Low Power ◽  
Laser Light ◽  
Cellular Level ◽  
Power Laser

scholarly journals P1.16-010 Development of a Novel Surgical Marking Method Using Low Power Laser Light

2017 ◽  
Vol 12 (11) ◽  
pp. S2054
Author(s):  
K. Ohtani ◽  
S. Maehara ◽  
K. Imai ◽  
H. Furumoto ◽  
M. Hagiwara ◽  
...  
Keyword(s):  
Low Power ◽  
Laser Light ◽  
Power Laser

scholarly journals Laser Phototherapy (660 nm) Can Be Beneficial for Reducing Gingival Inflammation in Prosthodontics

2015 ◽  
Vol 2015 ◽  
pp. 1-6 ◽  
Author(s):  
Sávio José Cardoso Bezerra ◽  
Glauco Fioranelli Vieira ◽  
Carlos de Paula Eduardo ◽  
Patrícia Moreira de Freitas ◽  
Ana Cecilia Corrêa Aranha
Keyword(s):  
Low Power ◽  
New Technologies ◽  
Spot Size ◽  
Cellular Level ◽  
Power Laser ◽  
Mean Power ◽  
Contact Mode ◽  
Restorative Treatment ◽  
Laser Phototherapy ◽  
Tissue Healing

Among the new technologies developed, low power lasers have enabled new approaches to provide conservative treatment. Low power lasers act at cellular level, resulting in reduced pain, modulating inflammation, and improved tissue healing. Clinical application of the low power laser requires specific knowledge concerning laser interaction with biological tissue so that the correct irradiation protocol can be established. The present case report describes the clinical steps involved in an indirect composite resin restoration performed in a 31-year-old patient, in whom low power laser was used for soft tissue biomodulation. Laser therapy was applied with a semiconductor laser 660 nm, spot size of 0.028 cm2, energy density of 35.7 J/cm2, mean power of 100 mW, and energy per point as 1 J, in contact mode, on a total of 2 points (mesial and distal), totaling 2 J of energy. The therapy with low power laser can contribute positively to the success of an indirect restorative treatment.

Healing of Burns after Treatment with 670Nanometer Low-Power Laser Light

2000 ◽  
Vol 105 (5) ◽  
pp. 1635-1639 ◽  
Author(s):  
Andreas Schlager ◽  
Kurt Oehler ◽  
Kai-Udo Huebner ◽  
Matthias Schmuth ◽  
Ludwig Spoetl
Keyword(s):  
Low Power ◽  
Laser Light ◽  
Power Laser

Histological reaction of the subcutaneous tissue of rats following implantation of bone morphogenetic protein (rhBMP-2) in inorganic bone scaffold and stimulation using low-power laser light

2013 ◽  
Vol 9 (1) ◽  
Author(s):  
Antonio Lucindo Bengtson ◽  
Camilla Regina Galvão Bengtson ◽  
Nadya Galvão Bengtson ◽  
Ângelo Sementilli
Keyword(s):  
Low Power ◽  
Bone Morphogenetic Protein ◽  
Laser Light ◽  
Subcutaneous Tissue ◽  
Surrounding Tissue ◽  
Bone Scaffold ◽  
Power Laser ◽  
Morphogenetic Protein ◽  
Light Material ◽  
The Right

Objective: The aim of this study was to assess the histological reaction of the subcutaneous tissue of rats after the implantation of natural inorganic mineral scaffold from a calf femur containing recombinant human bone morphogenetic protein (rhBMP-2) and irradiated with low-power laser light. Material and methods: Sixteen Wistar rats were incised in the torso in a medial-longitudinal orientation, and the subcutaneous tissue of the left and right sides of the incision was pulled apart for implantation of the inorganic bone scaffold containing rhBMP-2. Diode laser light was applied to the right side implant at a dose of 8 J/cm2 for 3 minutes, forming two groups: G1 (control) and G2 (irradiated with laser). Implants and surrounding tissue were removed from four animals on days 7, 21, 40 and 112 for microscopic study. The histological results were assessed by means of grading (0 = absence, 1 = slight presence, 2 = representative and 3 = very representative), considering the following events: formation of osteoid structure, acute inflammation, chronic inflammation, fibrin deposition, neovascularization, foreign body granuloma and fibrosis. Results: The results showed no statistically significant differences in each of the four periods when the two groups were compared (p>0.05 – Mann-Whitney’s test). Conclusion: The natural inorganic scaffold from a calf femur with rhBMP-2 was a biocompatible combination. Under these conditions, the inductive capacity of rhBMP-2 for cell differentiation was inhibited. A slight hastening of tissue healing was shown in the group that was irradiated with low-power laser light.

Photosensitization of different Candida species by low power laser light

2006 ◽  
Vol 83 (1) ◽  
pp. 34-38 ◽  
Author(s):  
Sandra Cristina de Souza ◽  
Juliana Campos Junqueira ◽  
Ivan Balducci ◽  
Cristiane Yumi Koga-Ito ◽  
Egberto Munin ◽  
...  
Keyword(s):  
Low Power ◽  
Candida Species ◽  
Laser Light ◽  
Power Laser
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