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https://www.readbyqxmd.com/read/29340351/effect-of-low-level-laser-on-the-healing-of-bone-defects-filled-with-autogenous-bone-or-bioactive-glass-in-vivo-study
#1
Guilherme Santos Moreira, Patrick Henry Machado Alves, Luis Augusto Esper, Michyele Cristhiane Sbrana, Gisele da Silva Dalben, Karin Hermana Neppelenbroek, Ana Lúcia Pompéia Fraga de Almeida
PURPOSE: This study evaluated the effect of low-level laser therapy (LLLT) on the healing of bone defects filled with autogenous bone or bioactive glass. MATERIALS AND METHODS: A critical size defect with 5-mm diameter was created on the calvaria of 60 adult male rats divided into 6 groups (n = 10): group C (control), group LLLT (LLLT - GaAlAs, wavelength of 780 nm, power of 100 mW, energy density of 210 J/cm2 per point during 60 seconds/point, in five points, only once, after creation of the surgical defect), group AB (autogenous bone), group AB+LLLT (autogenous bone + LLLT), group BG (bioactive glass), group BG+LLLT (bioactive glass + LLLT)...
January 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29331041/effect-of-low-level-laser-therapy-on-the-healing-of-sites-grafted-with-coagulum-deproteinized-bovine-bone-and-biphasic-ceramic-made-of-hydroxyapatite-and-%C3%AE-tricalcium-phosphate-in-vivo-study-in-rats
#2
Guilherme J P L de Oliveira, Maurício A T Aroni, Marcell C Medeiros, Elcio Marcantonio, Rosemary A C Marcantonio
OBJECTIVE: The aim of this study was to evaluate the effect of low-level laser therapy (LLLT) on the healing of biomaterial graft areas (i.e., coagulum, deproteinized bovine bone, and biphasic ceramics comprising hydroxyapatite and β-tricalcium phosphate). MATERIAL AND METHODS: Ninety rats were divided into two groups according to laser irradiation use (λ 808 nm, 100 mW, φ ∼600 μm, seven sessions with 28 J of irradiation dose in total): a laser group and a control group...
January 13, 2018: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/29327602/combination-therapy-versus-exercise-and-orthotic-support-in-the-management-of-pain-in-plantar-fasciitis-a-randomized-controlled-trial
#3
Eda Cinar, Shikha Saxena, Fatma Uygur
BACKGROUND: This study aimed at estimating the effectiveness of two commonly used modalities-extracorporeal shock wave therapy (ESWT) and low-level laser therapy (LLLT)-each combined with usual care (exercises and orthotic supports) in comparison to only usual care to relieve pain in patients with plantar fasciitis (PF). METHODS: Participants with PF were randomly allocated into 3 groups: ESWT (n = 25), LLLT (n = 24), and control (n = 17). All participants received a home exercise program with orthotic support...
January 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29327449/clinical-microbiological-and-cytomorphometric-evaluation-of-low-level-laser-therapy-as-an-adjunct-to-periodontal-therapy-in-patients-with-chronic-periodontitis
#4
M S Petrović, I Y Kannosh, J M Milašin, D S Mihailović, R R Obradović, S R Bubanj, L G Kesić
OBJECTIVE: A clinical prospective study was designed to evaluate microbiological, cytomorphometric and clinical efficacy of low-level laser therapy (LLLT) as an adjunct to periodontal therapy in the treatment of chronic periodontitis. METHODS: Sixty subjects were included and randomly assigned into 2 groups: SRP (scaling root planning) group (n = 30) and LLLT + SRP group (n = 30). Clinical parameters were measured before intervention, after the fifth treatment, and after a month...
January 12, 2018: International Journal of Dental Hygiene
https://www.readbyqxmd.com/read/29310710/photobiomodulation-using-low-level-laser-therapy-lllt-for-patients-with-chronic-traumatic-brain-injury-a-randomized-controlled-trial-study-protocol
#5
Guilherme da Cruz Ribeiro Poiani, Ana Luiza Zaninotto, Ana Maria Costa Carneiro, Renato Amaro Zangaro, Afonso Shiguemi Inoue Salgado, Rodolfo Borges Parreira, Almir Ferreira de Andrade, Manoel Jacobsen Teixeira, Wellingson Silva Paiva
BACKGROUND: Photobiomodulation using low-level laser therapy (LLLT) has been tested as a new technique to optimize recovery of patients with traumatic brain injury (TBI). The aim of this study is to evaluate inhibitory attentional control after 18 sessions of active LLLT and compare with the placebo group (sham LLLT). Our exploratory analysis will evaluate the efficacy of the active LLLT on verbal and visuospatial episodic memory, executive functions (working memory, verbal and visuospatial fluency, attentional processes), and anxiety and depressive symptoms compared to the sham group...
January 8, 2018: Trials
https://www.readbyqxmd.com/read/29306974/the-effects-of-transcutaneous-low-level-laser-therapy-on-the-skin-healing-process-an-experimental-model
#6
Felipe Scholz Ramos, Laura Beatriz Mesiano Maifrino, Sarah Alves, Beatriz da Costa Aguiar Alves, Matheus Moreira Perez, David Feder, Ligia Ajaime Azzalis, Virginia Berlanga Campos Junqueira, Fernando Luiz Affonso Fonseca
We aim to evaluate the action of transcutaneous laser in the initial wound healing process. The use of low-level laser therapy (LLLT) has proven to be effective on inflammatory modulation and wound healing. The trial was performed on five groups of rats, through a dorsal incision. All groups received treatment on auricular artery. Groups 1 and 3 were treated with transcutaneous LLLT over a period of 15 min. Groups 2 and 4 received one and two inactive laser applications (placebo), respectively. Group 5 was the control one...
January 6, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29282560/effects-of-corticopuncture-cp-and-low-level-laser-therapy-lllt-on-the-rate-of-tooth-movement-and-root-resorption-in-rats-using-micro-ct-evaluation
#7
Selly Sayuri Suzuki, Aguinaldo Silva Garcez, Patricia Oblitas Reese, Hideo Suzuki, Martha Simões Ribeiro, Won Moon
The aim of this study was to compare the rate of tooth displacement, quantity of root resorption, and alveolar bone changes in five groups: corticopuncture (CP), low-level laser therapy (LLLT), CP combined with LLLT (CP + LLLT), control (C), and negative control (NC). A total of 60 half-maxilla from 30 male Wistar rats (10 weeks old) were divided randomly into five groups: three (CP, LLLT, and CP + LLLT) test groups with different stimulation for accelerated-tooth-movement (ATM), one control (C) group, and one negative control (NC) group with no tooth movement...
December 27, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29280079/photobiomodulation-increases-mitochondrial-citrate-synthase-activity-in-rats-submitted-to-aerobic-training
#8
Wouber Hérickson de Brito Vieira, Cleber Ferraresi, Maria Luiza Barcellos Schwantes, Sérgio Eduardo de Andrade Perez, Vilmar Baldissera, Mikhail Santos Cerqueira, Nivaldo Antonio Parizotto
This study investigated the effects of photobiomodulation by low-laser laser therapy (LLLT) on the activities of citrate synthase (CS) and lactate dehydrogenase (LDH) and the anaerobic threshold (AT) in rats submitted to treadmill exercise. Fifty-four rats were allocated into four groups: rest control (RCG), rest laser (RLG), exercise control (ECG), and exercise laser (ELG). The infrared LLLT was applied daily on the quadriceps, gluteus maximum, soleus, and tibialis anterior muscles. Muscle samples (soleus, tibialis anterior, and cardiac muscles) were removed 48 h after the last exercise session for spectrophotometric analysis of the CS and LDH...
December 26, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29274162/low-level-laser-therapy-and-anesthetic-infiltration-for-orofacial-pain-in-patients-with-fibromyalgia-a-randomized-clinical-trial
#9
R-C-V de Souza, E de Sousa, K-O Scudine, U Meira, E de Oliveira E Silva, A Gomes, F-A Limeira-Junior
BACKGROUND: To compare the analgesic effect of anesthetic infiltration of lidocaine 2% and low-level laser therapy (LLLT) by GaAlAs into tender points of patients with orofacial pain and fibromyalgia (FM). MATERIAL AND METHODS: A randomized clinical trial was performed with adults (N=66) that were allocated into two groups (1:1): Group A received LLLT irradiation by Diode Laser GaAlAs (780nm) with expositions twice a week during six weeks and Group B was treated with anesthetic infiltration of lidocaine 2% without vasoconstrictor once a week for four weeks...
December 23, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29273892/low-level-laser-therapy-in-the-management-of-plantar-fasciitis-a-randomized-controlled-trial
#10
Eda Cinar, Shikha Saxena, Fatma Uygur
This study aimed at estimating the extent to which a combination therapy of low-level laser therapy (LLLT) with exercise and orthotic support (usual care) affects functional ability in the patient with plantar fasciitis (PF) when compared to usual care alone. Participants with PF were randomly allocated into two groups: LLLT (n = 27) and control (n = 22). All the participants received home exercise program with orthotic support. In addition, the LLLT group received a gallium-aluminum-arsenide laser with a 850-nm wavelength for ten sessions, three times a week...
December 23, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29250712/photostimulation-of-osteogenic-differentiation-on-silk-scaffolds-by-plasma-arc-light-source
#11
Anıl Sera Çakmak, Soner Çakmak, H Seda Vatansever, Menemşe Gümüşderelioğlu
Low-level laser therapy (LLLT) has been used for more than 30 years to heal wounds. In recent years, LLLT or photostimulation has been indicated as an effective tool for regenerative and dental medicine by using monochromatic light. The aim of this study is to indicate the usability of plasma arc light source for bone regeneration. This is why we used polychromatic light source providing effective wavelengths in the range of 590-1500 nm for cellular response and investigated photostimulation effects on osteogenic differentiation of human mesenchymal stem cells (hMSCs) seeded on 3D silk scaffolds...
December 18, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29250710/a-review-of-monochromatic-light-devices-for-the-treatment-of-alopecia-areata
#12
REVIEW
Evan Darwin, Harleen Arora, Penelope A Hirt, Tongyu Cao Wikramanayake, Joaquin J Jimenez
There are many laser technologies that are being tested that claim to support hair regrowth for patients with alopecia areata (AA). In this paper, we will determine whether the body of evidence supports the use of devices using monochromatic light sources to treat AA. Articles were gathered from PubMed, Embase, and the Cochrane database using these keywords: lasers, excimer laser, low-level laser therapy (LLLT), low-level light therapy, alopecia, alopecia areata, and hair loss with a category modifier of English...
December 17, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29227581/aging-of-lymphoid-organs-can-photobiomodulation-reverse-age-associated-thymic-involution-via-stimulation-of-extrapineal-melatonin-synthesis-and-bone-marrow-stem-cells
#13
REVIEW
Denis Odinokov, Michael R Hamblin
Thymic atrophy and the subsequent reduction in T cell production are the most noticeable age-related changes affecting lymphoid organs in the immune system. In fact thymic involution has been described as "programmed aging". New therapeutic approaches such as photobiomodulation (PBM) may reduce or reverse these changes. PBM (also known as low-level laser therapy or LLLT) involves the delivery of non-thermal levels of red or near-infrared light that are absorbed by mitochondrial chromophores, in order to prevent tissue death and stimulate healing and regeneration...
December 11, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/29216916/low-level-laser-therapy-photobiomodulation-therapy-for-breast-cancer-related-lymphedema-a-systematic-review
#14
G David Baxter, Lizhou Liu, Simone Petrich, Angela Spontelli Gisselman, Cathy Chapple, Juanita J Anders, Steve Tumilty
BACKGROUND: Breast cancer related lymphedema (BCRL) is a prevalent complication secondary to cancer treatments which significantly impacts the physical and psychological health of breast cancer survivors. Previous research shows increasing use of low level laser therapy (LLLT), now commonly referred to as photobiomodulation (PBM) therapy, for BCRL. This systematic review evaluated the effectiveness of LLLT (PBM) in the management of BCRL. METHODS: Clinical trials were searched in PubMed, AMED, Web of Science, and China National Knowledge Infrastructure up to November 2016...
December 7, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29209867/non-specific-effects-and-clusters-of-women-with-painful-tmd-responders-and-non-responders-to-lllt-double-blind-randomized-clinical-trial
#15
Laís Valencise Magri, Vinícius Almeida Carvalho, Flávia Cássia Cabral Rodrigues, César Bataglion, Christie Ramos Andrade Leite-Panissi
The aim was to analyze the non-specific effects (placebo, spontaneous remission, and regression to the mean) of the low-level laser therapy (LLLT) in women with myofascial pain (painful temporomandibular disorder (TMD)), as well as to differentiate between responders and non-responder clusters to active and placebo LLLT according to the anxiety levels, salivary cortisol, use of oral contraceptives, and premenstrual period. Sixty-four women diagnosed with myofascial pain (Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD)) were included, divided into laser (n = 20), placebo group (n = 21), and 23 controls (without treatment (WT))...
December 5, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29209866/photobiomodulation-therapy-protects-skeletal-muscle-and-improves-muscular-function-of-mdx-mice-in-a-dose-dependent-manner-through-modulation-of-dystrophin
#16
Gianna Móes Albuquerque-Pontes, Heliodora Leão Casalechi, Shaiane Silva Tomazoni, Andrey Jorge Serra, Cheila de Sousa Bacelar Ferreira, Rodrigo Barbosa de Oliveira Brito, Brunno Lemes de Melo, Adriane Aver Vanin, Kadma Karênina Damasceno Soares Monteiro, Humberto Dellê, Lucio Frigo, Rodrigo Labat Marcos, Paulo de Tarso Camillo de Carvalho, Ernesto Cesar Pinto Leal-Junior
This study aimed to analyze the protective effects of photobiomodulation therapy (PBMT) with combination of low-level laser therapy (LLLT) and light emitting diode therapy (LEDT) on skeletal muscle tissue to delay dystrophy progression in mdx mice (DMD mdx ). To this aim, mice were randomly divided into five different experimental groups: wild type (WT), placebo-control (DMD mdx ), PBMT with doses of 1 J (DMD mdx ), 3 J (DMD mdx ), and 10 J (DMD mdx ). PBMT was performed employing a cluster probe with 9 diodes (1 x 905nm super-pulsed laser diode; 4 x 875nm infrared LEDs; and 4 x 640nm red LEDs, manufactured by Multi Radiance Medical®, Solon - OH, USA), 3 times a week for 14 weeks...
December 5, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29204914/muscle-fiber-conduction-velocity-and-emg-amplitude-of-the-upper-trapezius-muscle-in-healthy-subjects-after-low-level-laser-irradiation-a-randomized-double-blind-placebo-controlled-crossover-study
#17
Fabiana Sarilho de Mendonça, Paulo de Tarso Camillo de Carvalho, Daniela Aparecida Biasotto-Gonzalez, Simone Aparecida Penimpedo Calamita, Cid André Fidelis de Paula Gomes, César Ferreira Amorim, Marco Antônio Fumagalli, Fabiano Politti
Although low-level laser therapy (LLLT) is an important resource for the treatment of non-specific neck pain patients, the dose which presents the greatest therapeutic potential for the treatment of this pathology is still unclear. The present study aimed to evaluate the immediate effect of LLLT on the muscle fiber conduction velocity (MFCV) and electromyographic activity (EMG) of the upper trapezius (UT) muscle in healthy individuals. A total of 20 healthy subjects were enrolled in a randomized, double-blind, crossover study...
December 5, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29185134/when-is-the-best-moment-to-apply-photobiomodulation-therapy-pbmt-when-associated-to-a-treadmill-endurance-training-program-a-randomized-triple-blinded-placebo-controlled-clinical-trial
#18
Eduardo Foschini Miranda, Shaiane Silva Tomazoni, Paulo Roberto Vicente de Paiva, Henrique Dantas Pinto, Denis Smith, Larissa Aline Santos, Paulo de Tarso Camillo de Carvalho, Ernesto Cesar Pinto Leal-Junior
Photobiomodulation therapy (PBMT) employing low-level laser therapy (LLLT) and/or light emitting diode therapy (LEDT) has emerged as an electrophysical intervention that could be associated with aerobic training to enhance beneficial effects of aerobic exercise. However, the best moment to perform irradiation with PBMT in aerobic training has not been elucidated. The aim of this study was to assess the effects of PBMT applied before and/or after each training session and to evaluate outcomes of the endurance-training program associated with PBMT...
November 29, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29181642/laser-photobiomodulation-in-pressure-ulcer-healing-of-human-diabetic-patients-gene-expression-analysis-of-inflammatory-biochemical-markers
#19
Anelice Calixto Ruh, Lúcio Frigo, Marcos Fernando Xisto Braga Cavalcanti, Paulo Svidnicki, Viviane Nogaroto Vicari, Rodrigo Alvaro Brandão Lopes-Martins, Ernesto Cesar Pinto Leal Junior, Natalia De Isla, Francesca Diomede, Oriana Trubiani, Giovani Marino Favero
Pressure ulcers (PU) are wounds located mainly on bone surfaces where the tissue under pressure suffers ischemia leading to cellular lesion and necrosis , its causes and the healing process depend on several factors. The aim of this study was evaluating the gene expression of inflammatory/reparative factors: IL6, TNF, VEGF, and TGF, which take part in the tissue healing process under effects of low-level laser therapy (LLLT). In order to perform lesion area analysis, PUs were photographed and computer analyzed...
January 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29181641/effect-of-photobiomodulation-on-connective-tissue-remodeling-and-regeneration-of-skeletal-muscle-in-elderly-rats
#20
Adriana de Brito, Agnelo Neves Alves, Beatriz Guimaraes Ribeiro, Daniel Victor D Emilio Barbosa, Erick Moreno Ramos Magalhaes, Kristianne Porta Santos Fernandes, Sandra Kalil Bussadori, Juliana Barbosa Goulardins, Raquel Agnelli Mesquita-Ferrari
The purpose of this study was to evaluate the effects of low-level laser therapy (LLLT) on morphological aspects, IL-6 and IL-1β expressions, as well as the distribution and organization of collagen in the tibialis anterior (TA) muscle of elderly rats submitted to cryoinjury. Histological photomicrographs were taken of TA muscles stained with HE and picrosirius red. Immunohistochemistry was used for the evaluation of IL-6 and IL-1β. Male Wistar rats, aged 20 months, were distributed into three groups: (1) control animals not injured or treated with LLLT (n = 5), (2) cryoinjury without LLLT treatment (n = 15), and (3) cryoinjury treated with infrared LLLT (n = 15)...
November 27, 2017: Lasers in Medical Science
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