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https://www.readbyqxmd.com/read/28525303/low-level-laser-therapy-after-wisdom-teeth-surgery-evaluation-of-immunologic-markers-secretory-immunoglobulin-a-and-lysozyme-levels-and-thermographic-examination-placebo-controlled-study
#1
Tatjana Dostalova, Veronika Kroulikova, Stepan Podzimek, Helena Jelinková
OBJECTIVE: The goal of this investigation is to analyze the effect of therapeutic low-level laser therapy (LLLT) to have a possibility to check pain and inflammation connected with surgical removal of impacted lower third molars in general anesthesia or even phobia [not accompanied by pain or fear of dental treatment, using immunologic markers-secretory immunoglobulin A (sIgA) and lysozyme]. The healing process was also monitored by infrared thermography. BACKGROUND DATA: LLLT can accelerate the proliferation phase of healing and decrease the inflammatory reaction, but the effect is not really clear...
May 16, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28508243/low-level-laser-treatment-stimulates-hair-growth-via-upregulating-wnt10b-and-%C3%AE-catenin-expression-in-c3h-hej-mice
#2
Tiran Zhang, Liqiang Liu, Jincai Fan, Jia Tian, Cheng Gan, Zengjie Yang, Hu Jiao, Bing Han, Zheng Liu
This study was conducted in order to evaluate the role of low-level laser treatment (LLLT) in hair growth in C3H/HeJ mice. Healthy C57BL/6 mice were randomly divided into two groups: with and without low-level laser treatment. The skin color of each mouse was observed each day. Skin samples were collected for H&E, immunofluorescence, PCR, and western blot analysis, to observe the morphology of hair follicles and detect the expression levels of Wnt10b and β-catenin. Observation of skin color demonstrated that black pigmentation started significantly earlier in the laser group than in the control group...
May 16, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28497661/medication-related-osteonecrosis-of-the-jaw-risk-factors-in-patients-under-biphosphonate-versus-patients-under-antiresorptive-antiangiogenic-drugs
#3
Giulia Ghidini, Maddalena Manfredi, Ilaria Giovannacci, Giovanni Mergoni, Amin Sarraj, Maura Mureddu, Giovanna Giunta, Mauro Bonanini, Marco Meleti, Paolo Vescovi
BACKGROUND: Biphosphonate-Related Osteonecrosis of the Jaw (BRONJ) is a potential side effect associated with the administration of bisphosphonates; the aim of this work is to highlight the possible epidemiological differences between two groups of patients affected by MRONJ treated at the Center of Oral Medicine, Pathology and Laser Surgery of the Academic Hospital at the University of Parma, Italy, between January 2004 and June 2016. METHODS: Medical charts of 303 patients (214 Females and 89 Males, mean age 67y) treated at the Center of Oral Medicine, Pathology and Laser Surgery of the Academic Hospital at the University of Parma, between January 2004 and June 2016, were retrospectively analyzed...
May 10, 2017: Minerva Stomatologica
https://www.readbyqxmd.com/read/28495411/is-low-level-laser-therapy-effective-for-treatment-of-neurosensory-deficits-arising-from-sagittal-split-ramus-osteotomy
#4
Majid Eshghpour, Baratollah Shaban, Farzaneh Ahrari, Mahdi Erfanian, Elaheh Shadkam
PURPOSE: This study investigated the effectiveness of low-level laser therapy (LLLT) for treating neurosensory impairment after bilateral sagittal split osteotomy (BSSO). MATERIALS AND METHODS: This randomized, double-blinded, split-mouth trial included patients requiring BSSO. After surgery, 1 side of each patient was randomly assigned to laser therapy and the other side served as the control. At 24, 48, and 72 hours after surgery, LLLT was accomplished by intraoral application of a 660-nm laser around the surgical site (200 mW, 10 seconds, 2 J, 1...
April 13, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28489273/low-level-light-minoxidil-5-combination-versus-either-therapeutic-modality-alone-in-management-of-female-patterned-hair-loss-a-randomized-controlled-study
#5
Samia M Esmat, Rehab A Hegazy, Heba I Gawdat, Rania M Abdel Hay, Riham S Allam, Rofaida El Naggar, Hoda Moneib
BACKGROUND: Female pattern hair loss (FPHL) is the most common form of hair loss in women. Nevertheless, its management represents a real challenge. Among the FDA approved therapeutic modalities for FPHL are topical minoxidil and more recently low-level light therapy (LLLT). AIM OF WORK: Assess the efficacy and safety of LLLT in comparison to topical minoxidil 5% and to a combination of both therapies in the treatment of FPHL. PATIENTS AND METHODS: This study included 45 female patients with proven FPHL...
May 10, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28488051/low-level-laser-and-antimicrobial-photodynamic-therapy-on-experimental-periodontitis-in-rats-submitted-to-chemotherapy-by-5-fluorouracil
#6
Leticia Helena Theodoro, Mariéllen Longo, Vivian Cristina Noronha Novaes, Daniela Maria Janjacomo Miessi, Marcio Luiz Ferro-Alves, Edilson Ervolino, Juliano Milanezi de Almeida, Valdir Gouveia Garcia
PURPOSE: The aim of this study was to evaluate the effects of low-level laser therapy (LLLT) and antimicrobial photodynamic therapy (aPDT) as adjuvant to mechanical treatment of experimental periodontitis (EP) in adult rats submitted to 5-fluorouracil (5-FU) chemotherapy. METHODS: EP was induced through ligature around the left mandibular first molar for 7 days. The ligature was removed and the animals separated into groups: EP, no treatment; 5FU, systemic administration of 5-FU (80 and 40 mg/kg); 5FU/scaling and root planing (SRP), systemic application of 5-FU and SRP; 5FU/SRP/LLLT, systemic application of 5-FU, SRP, and LLLT (660 nm, 0...
May 9, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28466181/-low-level-laser-therapy-a-narrative-literature-review-on-the-efficacy-in-the-treatment-of-rheumatic-orthopaedic-conditions
#7
REVIEW
A W A Baltzer, D Stosch, F Seidel, M S Ostapczuk
BACKGROUND: In low level laser therapy (LLLT) low wattage lasers are used to irradiate the affected skin areas, joints, nerves, muscles and tendons without any sensation or thermal damage. Although the exact mechanism of its effect is still unknown, it seems beyond dispute that LLLT induces a variety of stimulating processes at the cellular level affecting cell repair mechanisms, the vascular system and lymphatic system. LLLT has been popular among orthopaedic practitioners for many years, whereas university medicine has remained rather sceptical about it...
May 2, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28441605/biological-effects-and-medical-applications-of-infrared-radiation
#8
Shang-Ru Tsai, Michael R Hamblin
Infrared (IR) radiation is electromagnetic radiation with wavelengths between 760nm and 100,000nm. Low-level light therapy (LLLT) or photobiomodulation (PBM) therapy generally employs light at red and near-infrared wavelengths (600-100nm) to modulate biological activity. Many factors, conditions, and parameters influence the therapeutic effects of IR, including fluence, irradiance, treatment timing and repetition, pulsing, and wavelength. Increasing evidence suggests that IR can carry out photostimulation and photobiomodulation effects particularly benefiting neural stimulation, wound healing, and cancer treatment...
April 13, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28428016/the-role-of-low-level-laser-therapy-on-neuropathic-pain-relief-and-interleukin-6-expression-following-spinal-cord-injury-an-experimental-study
#9
Negin Mojarad, Atousa Janzadeh, Mahmoud Yousefifard, Farinaz Nasirinezhad
INTRODUCTION: The effect of Low Level Laser Therapy (LLLT) as a non-invasive treatment of spinal cord injury (SCI) is still under investigation. Therefore, the present study aimed to evaluate the effectiveness of LLLT on neuropathic pain and interleukin-6 (IL-6) expression following SCI in male rats. METHODS: 46 adult male rats were divided into 5 groups of control, SCI, treatment with methylprednisolone sodium succinate (MPSS), 1-week LLLT and 2-week LLLT. Animals underwent behavioral evaluations for motor behavior, level of allodynia and hyperalgesia every week...
April 17, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28422520/low-level-laser-therapy-improves-performance-and-reduces-fatigue-in-competitive-cyclists
#10
Fábio J Lanferdini, Rodrigo R Bini, Bruno M Baroni, Kelli D Klein, Felipe P Carpes, Marco A Vaz
Evidence supports that low-level laser therapy (LLLT) minimizes fatigue effects on muscle performance. However, the ideal LLLT dosage to improve athletes' performance during sports activities, such as cycling, is still unclear. Therefore, the goal of this study was to investigate the effects of different LLLT dosages on cyclists' performance in time-to-exhaustion tests. In addition, we looked at the effects of LLLT on the frequency content of the EMG signals to assess fatigue mechanisms. Twenty male competitive cyclists participated in a crossover, randomized, double-blind and placebo-controlled trial...
April 19, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28394081/the-effect-of-low-level-laser-therapy-as-an-adjunct-to-non-surgical-periodontal-treatment-on-gingival-crevicular-fluid-levels-of-transforming-growth-factor-beta-1-tissue-plasminogen-activator-and-plasminogen-activator-inhibitor-1-in-smoking-and-non-smoking
#11
F Pamuk, M Lütfioğlu, A Aydoğdu, C Z Koyuncuoglu, E Cifcibasi, O S Badur
BACKGROUND AND OBJECTIVE: This study aimed to investigate the effects of low-level laser therapy (LLLT) as an adjunct to scaling and root planing (SRP) on smoking and non-smoking patients with chronic periodontitis. MATERIAL AND METHODS: The study was conducted using a split-mouth design with 30 patients with chronic periodontitis (15 smokers, 15 non-smokers) and 30 healthy individuals matched for age, sex and smoking status as controls. Groups were constituted as follows: Cp+SRP+Sham: non-smokers with chronic periodontitis treated with SRP; Cp+SRP+LLLT: non-smokers with chronic periodontitis treated with SRP+LLLT; SCp+SRP+Sham: smokers with chronic periodontitis treated with SRP; SCp+SRP+LLLT: smokers with chronic periodontitis treated with SRP+LLLT; C: control group comprised of periodontally healthy non-smokers; SC: control group comprised of periodontally healthy smokers...
April 10, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28392641/low-level-light-therapy-with-410-nm-light-emitting-diode-suppresses-collagen-synthesis-in-human-keloid-fibroblasts-an-in-vitro-study
#12
Hyun Soo Lee, Soo-Eun Jung, Sue Kyung Kim, You-Sun Kim, Seonghyang Sohn, You Chan Kim
BACKGROUND: Keloids are characterized by excessive collagen deposition in the dermis, in which transforming growth factor β (TGF-β)/Smad signaling plays an important role. Low-level light therapy (LLLT) is reported as effective in preventing keloids in clinical reports, recently. To date, studies investigating the effect of LLLT on keloid fibroblasts are extremely rare. OBJECTIVE: We investigated the effect of LLLT with blue (410 nm), red (630 nm), and infrared (830 nm) light on the collagen synthesis in keloid fibroblasts...
April 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28391087/effects-of-two-wattages-of-low-level-laser-therapy-on-orthodontic-tooth-movement
#13
M Milligan, Y Arudchelvan, S-G Gong
INTRODUCTION: Mixed outcomes have been found in animal and clinical studies with regard to the use of low-level laser therapy (LLLT) as a modality to accelerate orthodontic tooth movement (OTM). One major reason for the variable findings is the different methodologies and protocols for laser therapy use. OBJECTIVE: The aim of this study was to determine whether orthodontically moved molars exposed to two different wattages at the same energy density of LLLT exhibited differences in the amount of tooth movement and molecular and histological changes in the adjacent periodontal areas...
March 24, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28382433/apoptosis-induced-by-low-level-laser-in-polymorphonuclear-cells-of-acute-joint-inflammation-comparative-analysis-of-two-energy-densities
#14
Lúcia Mara Januário Dos Anjos, Adenilson de Souza da Fonseca, Jacy Gameiro, Flávia de Paoli
Anti-inflammatory property of low-level laser therapy (LLLT) has been widely described in literature, although action mechanisms are not always clarified. Thus, this study aimed to evaluate apoptosis mechanisms in the LLLT anti-inflammatory effects on the arthritis experimental model in vivo at two different energy densities (3 and 30 Jcm(-2)). Arthritis was induced in mice by zymosan solution, animals were distributed into five groups, and morphological analysis, immunocytochemistry and gene expressions for apoptotic proteins were performed...
April 5, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28377600/low-level-laser-facilitates-alternatively-activated-macrophage-microglia-polarization-and-promotes-functional-recovery-after-crush-spinal-cord-injury-in-rats
#15
Ji Wei Song, Kun Li, Zhuo Wen Liang, Chen Dai, Xue Feng Shen, Yu Ze Gong, Shuang Wang, Xue Yu Hu, Zhe Wang
Macrophages and resident microglia play an import role in the secondary neuroinflammation response following spinal cord injury. Reprogramming of macrophage/microglia polarization is an import strategy for spinal cord injury restoration. Low-level laser therapy (LLLT) is a noninvasive treatment that has been widely used in neurotrauma and neurodegenerative diseases. However, the influence of low-level laser on polarization of macrophage/microglia following spinal cord injury remains unknown. The present study applied low-level laser therapy on a crush spinal cord injury rat model...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28349897/3d-printing-scaffold-coupled-with-low-level-light-therapy-for-neural-tissue-regeneration
#16
Wei Zhu, Jonathan K George, Volker J Sorger, Lijie Grace Zhang
3D printing has shown promise for neural regeneration by providing customized nerve scaffolds to structurally support and bridge the defect gap as well as deliver cells or various bioactive substances. Low-level light therapy (LLLT) exhibits positive effects on rehabiliation of degenerative nerves and neural disorders. With this in mind, we postulate that 3D printed neural scaffold coupling with LLLT will generate a new strategy to repair neural degeneration. To achieve this goal, we applied red laser light to stimualte neural stem cells on 3D printed scaffolds and investigated the subsequent cell response with respect to cell proliferation and differentiation...
April 12, 2017: Biofabrication
https://www.readbyqxmd.com/read/28345122/effect-of-laser-on-pain-relief-and-wound-healing-of-recurrent-aphthous-stomatitis-a-systematic-review
#17
REVIEW
Valerie G A Suter, Sophia Sjölund, Michael M Bornstein
The aim of this systematic review was to assess a potential benefit of laser use in the treatment of recurrent aphthous stomatitis (RAS). The primary outcome variables were pain relief, duration of wound healing and reduction in episode frequency. A PICO approach was used as a search strategy in Medline, Embase and Cochrane databases. After scanning and excluding titles, abstracts and full texts, 11 studies (ten RCTs and one non-randomised controlled trial) were included. Study selection and data extraction was done by two observers...
March 27, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28337885/role-of-diode-lasers-in-oro-facial-pain-management
#18
F Javed, S V Kellesarian, G E Romanos
With the increasing use of low level laser therapy (LLLT) in clinical dentistry, the aim of the present study was to assess the effectiveness of diode lasers in the management of orofacial pain. Indexed databases were searched without language and time restrictions up to and including July 2016 using different combinations of the following key words: oral, low level laser therapy, dental, pain, diode lasers, discomfort and analgesia. From the literature reviewed it is evident that LLLT is effective compared to traditional procedures in the management of oro-facial pain associated to soft tissue and hard tissue conditions such as premalignant lesions, gingival conditions and dental extractions...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337884/neurochemical-effects-of-photobiostimulation-in-the-trigeminal-ganglion-after-inferior-alveolar-nerve-injury
#19
D O Martins, F M Santos, L R G Britto, J B D Lemos, M Chacur
Orofacial pain is associated with peripheral and central sensitization of trigeminal nociceptive neurons. Nerve injury results in release of chemical mediators that contribute to persistent pain conditions. The activation of the transient receptor potential vanilloid 1 (TRPV1), promotes release of calcitonin gene-related peptide (CGRP) and substance P (SP) from trigeminal nerve terminals. CGRP and SP contribute to the development of peripheral hyperalgesia. The expression of SP and CGRP by primary afferent neurons is rapidly increased in response to peripheral inflammation...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337563/role-of-low-level-laser-therapy-added-to-facial-expression-exercises-in-patients-with-idiopathic-facial-bell-s-palsy
#20
Banu Ordahan, Ali Yavuz Karahan
The aim of the present study was to investigate the efficacy of low-level laser therapy in conjunction with conventional facial exercise treatment on functional outcomes during the early recovery period in patients with facial paralysis. Forty-six patients (mean age 41 ± 9.7 years; 40 women and 6 men) were randomized into two groups. Patients in the first group received low-level laser treatment as well as facial exercise treatment, while patients in the second group participated in facial exercise intervention alone...
May 2017: Lasers in Medical Science
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