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Photomedicine and Laser Surgery

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https://www.readbyqxmd.com/read/27935737/low-level-laser-therapy-for-reducing-the-hip-waist-and-upper-abdomen-circumference-of-individuals-with-obesity
#1
Gregory C Roche, Steven Shanks, Robert F Jackson, Laura Jane Holsey
OBJECTIVE: To assess the effectiveness of low-level laser therapy (LLLT) for reducing hip, thigh, and abdomen circumference of individuals with body-mass index (BMI) between 30 and 40 kg/m(2). BACKGROUND: Previous studies demonstrated the effectiveness of LLLT for reducing body circumference in the hips, thighs, and abdomen of nonobese individuals with a BMI <30 kg/m(2). METHODS: In this randomized, double-blind sham-controlled study, obese, but otherwise healthy, individuals were randomized to undergo 30-min LLLT (n = 28) or sham treatments (n = 25) three times weekly for 4 weeks...
December 9, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27925504/laser-photobiomodulation-in-neuroscience-from-bench-to-bedside
#2
Shimon Rochkind
No abstract text is available yet for this article.
December 7, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27898268/descriptive-analysis-of-in-vitro-cutting-of-swine-mitral-cusps-comparison-of-high-power-laser-and-scalpel-blade-cutting-techniques
#3
Nathali Cordeiro Pinto, Pablo Maria Alberto Pomerantzeff, Alessandro Deana, Denise Zezell, Carolina Benetti, Vera Demarchi Aiello, Luciana Almeida Lopes, Fabio Biscegli Jatene, M Cristina Chavantes
BACKGROUND AND OBJECTIVES: The most common injury to the heart valve with rheumatic involvement is mitral stenosis, which is the reason for a big number of cardiac operations in Brazil. Commissurotomy is the traditional technique that is still widely used for this condition, although late postoperative restenosis is concerning. This study's purpose was to compare the histological findings of porcine cusp mitral valves treated in vitro with commissurotomy with a scalpel blade to those treated with high-power laser (HPL) cutting, using appropriate staining techniques...
November 30, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27898256/comparative-study-of-the-physiotherapeutic-and-drug-protocol-and-low-level-laser-irradiation-in-the-treatment-of-pain-associated-with-temporomandibular-dysfunction
#4
Marcos Fernando Xisto Braga Cavalcanti, Uoston Holder Silva, Ernesto Cesar Pinto Leal-Junior, Rodrigo A B Lopes-Martins, Rodrigo Labat Marcos, Rodney Capp Pallotta, Francesca Diomede, Oriana Trubiani, Natalia De Isla, Lucio Frigo
BACKGROUND: The temporomandibular joint (TMJ) is a structure of the craniofacial complex affected by neurological diseases. Orthopedic and musculoskeletal changes can also cause temporomandibular disorders (TMD) and pain. Low-level laser (LLL) therapy has been studied in the treatment of temporomandibular jaw (TMJ) dysfunction, and controversial results were obtained. OBJECTIVE: The objective of this work was comparing the physiotherapeutic and drug protocol (PDP) to LLL therapy in the treatment of pain associated with TMD...
November 29, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27860552/the-effect-of-ytterbium-doped-fiber-laser-with-different-parameters-on-physical-properties-of-zirconia-surface
#5
Server Mutluay Unal, Serhat Emre Ozkir, Zelal Seyfioglu Polat, Sedat Guven, Hilal Asutay
OBJECTIVE: Laser irradiation is an alternative surface treatment method for roughening zirconia surfaces. The aim of this study was to evaluate the effects of ytterbium-doped fiber laser (YbPL) on zirconia. BACKGROUND: Zirconia surfaces are resistant to many surface treatment methods, but surface roughness is crucial for adhesion of veneering materials and cements to zirconia. METHODS: The zirconia discs were prepared and divided into four groups according to the power of the laser irradiation (5, 12, 17, and 20 W)...
November 17, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27855270/role-of-low-level-laser-therapy-as-an-adjunct-to-initial-periodontal-treatment-in-type-2-diabetic-patients-a-split-mouth-randomized-controlled-clinical-trial
#6
Oya Demirturk-Gocgun, Ulku Baser, Gokce Aykol-Sahin, Nevin Dinccag, Halim Issever, Funda Yalcin
OBJECTIVE: In this split-mouth clinical trial, we evaluated the clinical benefits of low-level laser therapy (LLLT) as an adjunct to nonsurgical periodontal treatment in patients with type 2 diabetes mellitus (DM). BACKGROUND DATA: The impaired wound healing seen in diabetic patients may affect the results of periodontal treatment and may require an additional approach. MATERIALS AND METHODS: In total, 22 chronic periodontitis patients with type 2 DM were included...
November 17, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27855264/acute-effects-of-near-infrared-light-therapy-on-brain-state-in-healthy-subjects-as-quantified-by-qeeg-measures
#7
Fred Grover, Jon Weston, Michael Weston
OBJECTIVE: Recent investigation suggests that near infrared (NIR) light may improve symptoms from mild traumatic brain injury. In addition, quantitative electroencephalography (qEEG) has shown measures correlating with concussion: P300, reaction time, and amplitude. The objective of this study was to determine whether NIR light treatment has an acute effect on brain state in healthy patients as measured by EEG. METHODS: A total of 31 healthy volunteers, between the ages of 14 and 65, underwent qEEG event-related response tests before and after a 20-min NIR light head treatment...
November 17, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27828768/clinical-comparison-of-two-photosensitizers-for-oral-cavity-decontamination
#8
Hérica Adad Ricci Donato, Sebastião Pratavieira, Clovis Grecco, Aldo Brugnera-Júnior, Vanderlei Salvador Bagnato, Cristina Kurachi
OBJECTIVE: In this study, we aim to compare the photodynamic inactivation (PDI) effects of two different photosensitizers (PS), Photogem(®) and Natural Curcumin, irradiated with light-emitted diodes (LED) at 630 and 450 nm, respectively. BACKGROUND: The current antimicrobial mouthwash for oral hygiene has several drawbacks. In this context, PDI is an alternative technique to inactivate pathogenic microbes in mucosa and in periodontal tissue. Furthermore, there are numerous infectious diseases that may affect the oral cavity, motivating the use of PDI in dentistry...
November 7, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27929924/effect-of-different-agitation-techniques-on-the-penetration-of-irrigant-and-sealer-into-dentinal-tubules
#9
Yu Gu, Hiran Perinpanayagam, David J W Kum, Yeon-Jee Yoo, Jin-Sun Jeong, Sang-Min Lim, Seok-Woo Chang, Seung-Ho Baek, Qiang Zhu, Kee-Yeon Kum
OBJECTIVE: The aim of this study was to compare the effectiveness of five intracanal agitation techniques on the penetration of irrigant and sealer into dentinal tubules. BACKGROUND DATA: Intracanal agitation techniques could promote chemomechanical debridement and the sealing of root canals during endodontic treatment. However, there is limited evidence for the agitation effect of Nd:YAP laser. MATERIALS AND METHODS: Human maxillary premolars with single straight canals (N = 60) were prepared with ProTaper Next(®) NiTi rotary files (Dentsply Maillefer) up to X4 (ISO 40 size)...
November 3, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27827560/development-of-a-novel-automated-hair-counting-system-for-the-quantitative-evaluation-of-laser-hair-removal
#10
Hyoung-Woo Lim, Minwoo Cho, Dong-Hun Lee, Wooseok Koh, Youdan Kim, Jin Ho Chung, Sungwan Kim
OBJECTIVE: We aimed to develop and validate a novel computer-assisted automated hair counting system for the quantitative evaluation of laser hair removal (LHR). METHODS: We developed a computer-aided image processing system to count hairs on shaved skin and validated its performance through clinical trials. Five volunteers of Fitzpatrick skin type III-IV volunteered and were tested on both thighs. The system automatically detects hair and places a "+" sign on each hair site for every positive detection...
November 3, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27827556/effect-of-water-cooled-nd-yag-laser-on-dentinal-tubule-occlusion-in-vitro
#11
Shimeng Xiao, Kunneng Liang, Hongling Liu, Manling Zhang, Heng Yang, Shujuan Guo, Yi Ding
OBJECTIVE: The objective of this study was to investigate the effect of a new water-cooled Nd:YAG laser on dentinal tubule occlusion. BACKGROUND DATA: The effect of water-cooled Nd:YAG laser on dentinal tubule occlusion has not been reported. METHODS: Acid-etched dentin samples were randomly divided into three groups: (1) dentin control, (2) dentin treated by Nd:YAG laser, (3) dentin treated by water-cooled Nd:YAG laser. After laser irradiation, half of the samples were immersed in a 6 wt% citric acid (pH 1...
November 3, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27813716/effects-of-low-level-laser-therapy-in-orthodontic-patients-on-immediate-inflammatory-response-after-mini-implants-insertion-a-preliminary-report
#12
Mario S Yanaguizawa, Selly S Suzuki, Elizabeth F Martinez, Hideo Suzuki, Maria Cristina J Pelegrin, Aguinaldo S Garcez
BACKGROUND: The primary stability of a mini-implant is crucial to treatment sequence since most orthodontic mini-implant failures occur at an early stage. Irritation or inflammation of peri-implant tissues has been related to decreasing mini-implant success. PURPOSE: This study evaluates the effect of low-level laser therapy on initial inflammation after orthodontic mini-implants installation. METHODS: Ten volunteers received two mini-implants (1...
November 3, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27809724/er-cr-ysgg-laser-application-for-the-treatment-of-periodontal-furcation-involvements
#13
Linhua Ge, Yunxin Zhang, Rong Shu
OBJECTIVE: The purpose of this study was to evaluate the clinical use of an erbium, chromium: yttrium-scandium-gallium-garnet (Er,Cr:YSGG) laser in the management of root furcation involvements. BACKGROUND DATA: It has been suggested that the use of laser radiation within the periodontal pocket may be effective in periodontal treatment. However, very limited data from clinical trials exist directly comparing the use of the Er,Cr:YSGG laser to conventional root planing...
November 3, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27759498/efficacy-of-pulsed-405-nm-light-emitting-diodes-for-antimicrobial-photodynamic-inactivation-effects-of-intensity-frequency-and-duty-cycle
#14
Jonathan B Gillespie, Michelle Maclean, Martin J Given, Mark P Wilson, Martin D Judd, Igor V Timoshkin, Scott J MacGregor
OBJECTIVE: This study investigates possible advantages in pulsed over continuous 405-nm light-emitting diode (LED) light for bacterial inactivation and energy efficiency. BACKGROUND: Alternative nonantibiotic methods of disinfection and infection control have become of significant interest. Recent studies have demonstrated the application of systems using 405-nm LEDs for continuous disinfection of the clinical environment, and also for potential treatment of contaminated wounds...
October 19, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27627685/low-level-laser-therapy-and-cryotherapy-as-mono-and-adjunctive-therapies-for-achilles-tendinopathy-in-rats
#15
Sturla Haslerud, Rodrigo Alvaro Brandão Lopes-Martins, Lúcio Frigo, Jan Magnus Bjordal, Rodrigo Labat Marcos, Ingvill Fjell Naterstad, Liv Heide Magnussen, Jon Joensen
BACKGROUND AND OBJECTIVE: Low-level laser therapy (LLLT) and cryotherapy are widely used treatments in the acute phase of tendon injury. The aim of this study was to investigate the interaction of these two treatments on tendon inflammation and mechanical properties. MATERIALS AND METHODS: Six groups of six Wistar rats were used in this study. The Achilles tendons of the healthy control group were not subjected to injury or treatment. The tendons of the injured nontreated group (ING) were injured, but not treated...
September 14, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27627465/salidroside-s-protection-against-uvb-mediated-oxidative-damage-and-apoptosis-is-associated-with-the-upregulation-of-nrf2-expression
#16
Yuan Xiao-Ying, Pang Xiao-Wen, Zhang Guo-Qiang, Guo Jian-You
BACKGROUND: Salidroside is the major active component of Rhodiola rosea, a traditional Chinese herbal medicine used for protection against ultraviolet (UV) radiation. OBJECTIVES: This study investigated whether salidroside can protect skin from ultraviolet B (UVB)-induced oxidative damage in human immortalized HaCaT keratinocytes and the skin of guinea pigs. METHODS: Using HaCaT cell models, the effects of salidroside on oxidative damage and possible regulatory factors [including NF-E2-related factor 2 (Nrf2), NAD(P)H-quinone oxidoreductase (NQO1), and heme oxygenase 1 (HO-1)] were examined...
September 14, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27627137/low-level-laser-irradiation-precondition-for-cardiac-regenerative-therapy
#17
Yiwei Liu, Hao Zhang
OBJECTIVE: The purpose of this article was to review the molecular mechanisms of low-level laser irradiation (LLLI) preconditioning for heart cell therapy. BACKGROUND DATA: Stem cell transplantation appears to offer a better alternative to cardiac regenerative therapy. Previous studies have confirmed that the application of LLLI plays a positive role in regulating stem cell proliferation and in remodeling the hostile milieu of infarcted myocardium. Greater understanding of LLLI's underlying mechanisms would be helpful in translating cell transplantation therapy into the clinic...
September 14, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27626322/regulation-of-rankl-induced-osteoclastogenesis-by-635-nm-light-emitting-diode-irradiation-via-hsp27-in-bone-marrow-derived-macrophages
#18
Gwangchul Lee, Bora Kim, Youngjong Ko, Mineon Park, Donghwi Kim, Kang Hyeon Ryu, Yong Cheol Jun, Hong Moon Sohn, Wonbong Lim
OBJECTIVE: This study was designed to investigate the effect of 635-nm irradiation from a light emitting diode (LED) on osteoclastogenesis in receptor activator of nuclear factor kappa-B (NF-κB) ligand (RANKL)-stimulated mouse bone marrow-derived macrophages (BMMs). We determined whether 635-nm irradiation modulated the RANKL-induced osteoclastic signaling pathway in heat shock protein-27 (HSP27)-silenced cells and analyzed the functional cross talk between these factors in osteoclastic differentiation and activation...
September 14, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27626108/effect-of-repeated-antimicrobial-photodynamic-therapy-in-treatment-of-periodontitis-associated-with-fanconi-anemia
#19
Alenka Pavlič, Urban Matoh, Vladan Rajić, Milan Petelin
BACKGROUND AND OBJECTIVE: Periodontal disease is one of common oral manifestations in patients with Fanconi anemia (FA). The aim of the study was to evaluate the effect of photodynamic therapy (PDT) on periodontal clinical and microbial parameters in a patient with FA. MATERIALS AND METHODS: For a 16-year-old girl, diagnosed with having FA and periodontal disease, the protocol treatment with duration of 10 months was designed. Every 2 months, thorough oral cavity disinfection was followed by PDT, using photosensitizer phenothiazine chloride activated by a diode laser light...
September 14, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27841968/beneficial-effects-of-applying-low-level-laser-therapy-to-surgical-wounds-after-bariatric-surgery
#20
Alecsander R Ojea, Otavio Madi, Rafael Melillo L Neto, Sizenando E Lima, Bruno T de Carvalho, Maria Juliana M R Ojea, Rodrigo L Marcos, Fabricio S da Silva, Stella R Zamuner, Maria Cristina Chavantes
BACKGROUND: Bariatric surgery is a successful method for weight loss in cases of morbid obesity; however, as an invasive procedure, surgical complications may occur. Low-level laser therapy (LLLT) has been increasingly used due to its effectiveness in controlling the inflammatory response, accelerating tissue repair, and reducing pain. The objective of this study was to investigate photobiomodulation effects after bariatric surgery and determine the laser actions during the inflammatory process, wound healing (clinical observation), and analgesia...
November 2016: Photomedicine and Laser Surgery
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