Temperature rise during photo-activated disinfection of root canals.

abstract：:Microvascular surgery is time consuming and requires high expertise. Laser-assisted vascular anastomosis (LAVA) is a promising sutureless technique that has the potential to facilitate this procedure. In this study, we evaluate the handling of our soldering material and the 1-week patency rate in a porcine model. Six ...

journal_title：Lasers in medical science

authors： Mbaidjol Z,Kiermeir D,Schönfeld A,Arnoldi J,Frenz M,Constantinescu MA

更新日期：2017-08-01 00:00:00

abstract：:The purpose of this study is to evaluate microtensile bond strength (μTBS) of an etch-and-rinse adhesive to enamel and dentin after treatment with Er:YAG laser using different pulse durations. Extracted human molars were flattened to obtain enamel or dentin surfaces. The enamel specimens (E) were divided into nine gro...

journal_title：Lasers in medical science

authors： Firat E,Gurgan S,Gutknecht N

更新日期：2012-01-01 00:00:00

abstract：:Neurofibromatosis type 1 (NF-1) is an autosomal dominant disorder characterized by skin tumours derived from peripheral nerves. It is a clinically diagnosed disorder of a mainly cosmetic concern. There are different excision modalities for treatment of cutaneous neurofibromas; however, none is considered to be univers...

journal_title：Lasers in medical science

authors： Elwakil TF,Samy NA,Elbasiouny MS

更新日期：2008-07-01 00:00:00

abstract：:Previous studies have been suggested that photodynamic therapy (PDT) can be used as an adjuvant treatment for denture stomatitis. In this study, we evaluated the effects of multiple sessions of PDT on Candida glabrata biofilms in specimens of polymerized acrylic resin formed after 5 days. Subsequently, four applicatio...

journal_title：Lasers in medical science

authors： de Figueiredo Freitas LS,Rossoni RD,Jorge AOC,Junqueira JC

更新日期：2017-04-01 00:00:00

abstract：:The aim of this study was to quantitatively evaluate the wettability of dentin after Yb:KYW thin-disk femtosecond-pulsed laser ablation by measuring the contact angle. Different laser parameters were used including different fluences (F), scanning speeds, and scanning line spacings. Crowns of 15 extracted human teeth ...

journal_title：Lasers in medical science

authors： Liu J,Lü P,Sun Y,Wang Y

更新日期：2015-08-01 00:00:00

abstract：: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 rat...

journal_title：Lasers in medical science

authors： Suzuki SS,Garcez AS,Reese PO,Suzuki H,Ribeiro MS,Moon W

更新日期：2018-05-01 00:00:00

abstract：:Acute lung injury (ALI) is defined as respiratory failure syndrome, in which the pathogenesis could occur from sepsis making it a life-threatening disease by uncontrolled hyperinflammatory responses. A possible treatment for ALI is the use of low-power infrared lasers (LPIL), whose therapeutical effects depend on wave...

journal_title：Lasers in medical science

authors： da Silva Sergio LP,Thomé AMC,da Silva Neto Trajano LA,Vicentini SC,Teixeira AF,Mencalha AL,de Paoli F,de Souza da Fonseca A

更新日期：2019-02-01 00:00:00

abstract：:Preclinical studies have shown that photodynamic therapy (PDT) enhances immune responses. To examine the role of the direct effects of PDT in liver cancer with regard to enhancement of the antitumor response, we injected PDT-generated H22 liver cancer cell lysate (as a tumor vaccine) intradermally into Kunming mice. I...

journal_title：Lasers in medical science

authors： Zhang H,Ma W,Li Y

更新日期：2009-07-01 00:00:00

abstract：:Striae gravidarum is a common dermatologic condition for females caused by multiple factors during pregnancy. It remains a therapeutic challenge especially in the striae alba (SA) stage, generating psychological and emotional distress to those affected. This study aims to compare the efficacy and safety of 1565-nm non...

journal_title：Lasers in medical science

authors： Tang Z,Wen S,Liu T,Yu A,Li Y

更新日期：2021-01-07 00:00:00

abstract：:The aim of this study was to investigate the effect of different working modes (pulsed and micropulsed) and power settings of a standardized 980-nm diode laser on collateral thermal soft-tissue damage. A total of 108 bovine liver samples were cut with a diode laser at various settings in pulsed and micropulsed mode an...

journal_title：Lasers in medical science

authors： Beer F,Körpert W,Passow H,Steidler A,Meinl A,Buchmair AG,Moritz A

更新日期：2012-09-01 00:00:00

abstract：:We report the use of spectral domain polarization sensitive optical coherence tomography for ex-vivo imaging of human oral mandibular tissue samples. Our results show that compared to the changes observed in the epithelium thickness and the decay constant of A-scan intensity profile, a much larger degree of change was...

journal_title：Lasers in medical science

authors： Sharma P,Verma Y,Sahu K,Kumar S,Varma AV,Kumawat J,Gupta PK

更新日期：2017-01-01 00:00:00

abstract：:Since time immemorial, tuberculosis (TB) has intimidated the human race owing to its severity. Its socio-economic burden has led to it being a major cause of concern. It is one of the world's major causes of death from a single agent. Since most of the middle- and low-income countries are burdened with TB, sputum smea...

journal_title：Lasers in medical science

authors： Ojha A,Banik S,Melanthota SK,Mazumder N

更新日期：2020-08-01 00:00:00

abstract：:Several studies suggest a biomodulatory influence of low-level laser irradiation in the inflammatory and reparative processes of dental tissues. The aim of this study was to investigate the stimulatory effect of 808-nm laser irradiation on root development of rat molars and also to evaluate the histological reaction o...

journal_title：Lasers in medical science

authors： Toomarian L,Fekrazad R,Tadayon N,Ramezani J,Tunér J

更新日期：2012-05-01 00:00:00

abstract：:There is concern that the delicate fibres and cylindrical diffuser tips used for intraluminal PDT of blood vessels might break during the treatment. We have developed and tested a simple system to monitor for fibre breakage during PDT. Light from the laser is passed through a beam expander, then a beam splitter, and t...

journal_title：Lasers in medical science

authors： Mosse CA,Theodossiou T,Mills TN

更新日期：2003-01-01 00:00:00

abstract：:The Nd:YAG laser efficacy associated with conventional treatment for bacterial reduction has been investigated throughout literature. The purpose of this study was to evaluate the bacterial reduction after Nd:YAG laser irradiation associated with scaling and root planning in class II furcation defects in patients with...

journal_title：Lasers in medical science

authors： de Andrade AK,Feist IS,Pannuti CM,Cai S,Zezell DM,De Micheli G

更新日期：2008-10-01 00:00:00

abstract：:Crohn's disease is a chronic relapsing and remitting inflammatory condition which affects any part of the gastrointestinal tract. In the oro-facial region, patients can present peri-oral swellings which results in severe facial disfigurement. To date, assessing the degree of facial changes and evaluation of treatment ...

journal_title：Lasers in medical science

authors： Zou L,Adegun OK,Willis A,Fortune F

更新日期：2014-05-01 00:00:00

abstract：:This study aimed to evaluate in vitro performance of near-infrared laser transillumination (NIR-LTI) for detecting early occlusal caries in permanent teeth and compare it with quantitative light-induced fluorescence (QLF), DIAGNOdent Pen (DDPen), and conventional radiography (CR). Ninety-four occlusal surfaces present...

journal_title：Lasers in medical science

authors： Bussaneli DG,Restrepo M,Boldieri T,Pretel H,Mancini MW,Santos-Pinto L,Cordeiro RC

更新日期：2015-09-01 00:00:00

abstract：:Low-level laser therapy (LLLT) has proved to have biostimulating effects on tissues over which they are applied, therefore accelerating the healing process. Most studies in implantology were focused on a reduction of the duration of osseointegration. There exist few articles analyzing the potential effects of these th...

journal_title：Lasers in medical science

authors： Prados-Frutos JC,Rodríguez-Molinero J,Prados-Privado M,Torres JH,Rojo R

更新日期：2016-02-01 00:00:00

abstract：:Precise nerve localization is of major importance in both surgery and regional anesthesia. Optically based techniques can identify tissue through differences in optical properties, like absorption and scattering. The aim of this study was to evaluate the potential of optical spectroscopy (diffuse reflectance spectrosc...

journal_title：Lasers in medical science

authors： Langhout GC,Kuhlmann KFD,Wouters MWJM,van der Hage JA,van Coevorden F,Müller M,Bydlon TM,Sterenborg HJCM,Hendriks BHW,Ruers TJM

更新日期：2018-04-01 00:00:00

abstract：:In this study, we compared the microleakage of composite fillings cured with halogen bulb, LED and argon ion laser (488 nm). Twenty-four extracted human molars were divided randomly in three groups. Six cavities were prepared on the coronal part of each tooth. Standard cavities (1.7 x 2 mm) were prepared. Cavities wer...

journal_title：Lasers in medical science

authors： Tielemans M,Compere P,Geerts SO,Lamy M,Limme M,De Moor RJ,Delmé KI,Bertrand MF,Rompen E,Nammour S

更新日期：2009-01-01 00:00:00

abstract：:The aim of this work is to analyze the effects of LED therapy at 940 nm or cold water immersion therapy (CWI) after an acute bout of exercise on markers of muscle damage and inflammation. Thirty-two male Wistar rats were allocated into four groups: animals kept at rest (control), exercised animals (E), exercised + CWI...

journal_title：Lasers in medical science

authors： Camargo MZ,Siqueira CP,Preti MC,Nakamura FY,de Lima FM,Dias IF,Toginho Filho Dde O,Ramos Sde P

更新日期：2012-09-01 00:00:00

abstract：:Low-level laser therapy (LLLT), widely used in physiotherapy, has been known to enhance wound healing and stimulate cell proliferation, including fibroblast and endothelial cells. Applying LLLT can increase cell proliferation in many kinds of cells including fibroblasts and endothelial cells. However, the protective m...

journal_title：Lasers in medical science

authors： Chu YH,Chen SY,Hsieh YL,Teng YH,Cheng YJ

更新日期：2018-02-01 00:00:00

abstract：:. The goal of this study is an in vitro evaluation of thermal side-effects by the application of short sub- micro s CO(2) laser pulses in combination with an air-water spray on different types of bone tissue. A mechanically Q-switched CO(2) laser delivered 300 ns pulses at 9.6 micro m wavelength, which were focused do...

journal_title：Lasers in medical science

authors： Ivanenko MM,Fahimi-Weber S,Mitra T,Wierich W,Hering P

更新日期：2002-01-01 00:00:00

abstract：:The purpose of this study was to evaluate the acid resistance of erbium:yttrium-aluminum-garnet (Er:YAG) lased sub-surface dentin using a scanning electron microscope (SEM). Dentin disks were exposed to a single pulse of Er:YAG laser irradiation at 80 mJ/pulse under water spray, with the contact sapphire tip vertical ...

journal_title：Lasers in medical science

authors： He Z,Otsuki M,Sadr A,Tagami J

更新日期：2009-07-01 00:00:00

abstract：:In view of the limitations of bone reconstruction surgeries using autologous grafts as a gold standard, tissue engineering is emerging as an alternative, which permits the fabrication and improvement of scaffolds to stimulate osteogenesis and angiogenesis, processes that are essential for bone repair. Polymers are use...

journal_title：Lasers in medical science

authors： Dos Santos DA,de Guzzi Plepis AM,da Conceição Amaro Martins V,Cardoso GBC,Santos AR Jr,Iatecola A,Andrade TN,Monteiro FM,Calegari ARA,Chacon EL,Cunha MR

更新日期：2020-06-01 00:00:00

abstract：:Induction of matrix synthesis by low-level laser has been demonstrated extensively. However, the question of dose- or power intensity-dependency is under-investigated. To address this issue we chose human osteoblast cell cultures and measured their alkaline phosphatase (ALP) activity after laser irradiation. The cell ...

journal_title：Lasers in medical science

authors： Haxsen V,Schikora D,Sommer U,Remppis A,Greten J,Kasperk C

更新日期：2008-10-01 00:00:00

abstract：:For better evaluation of the efficacy of low-level laser therapy in treating painful diabetic neuropathy and in protecting nerve fiber damage, we conducted a study with type 1 diabetic rats induced by streptozotocin. It is well known that diabetic peripheral neuropathy is the leading cause of pain in those individuals...

journal_title：Lasers in medical science

authors： Rocha IRC,Ciena AP,Rosa AS,Martins DO,Chacur M

更新日期：2017-04-01 00:00:00

abstract：:Our objective was to assess the efficacy and safety of combined 10.6 microm and 650 nm laser irradiation on patients with knee osteoarthritis (OA). Forty patients with OA were randomly allocated to an active laser group or to a placebo laser group (20 per group). They either received active or sham laser treatment at ...

journal_title：Lasers in medical science

authors： Shen X,Zhao L,Ding G,Tan M,Gao J,Wang L,Lao L

更新日期：2009-03-01 00:00:00

abstract：:The aim of this study was to compare the concentration of mast cells (MCs) in the healing process of incisions. Thirty rats were submitted to six linear incisions each, performed in the dorsal skin by carbon dioxide (CO(2)) and diode lasers, electrocautery and conventional scalpel. The animals were euthanized at inter...

journal_title：Lasers in medical science

authors： Azevedo LH,de Sousa SC,Correa L,de Paula Eduardo C,Dagli ML,Romanos G,Migliari DA

更新日期：2009-07-01 00:00:00

abstract：:Quantitative characterization of skin collagen on photo-thermal response and its regeneration process is an important but difficult task. In this study, morphology and spectrum characteristics of collagen during photo-thermal response and its light-induced remodeling process were obtained by second-harmonic generation...

journal_title：Lasers in medical science

authors： Wu SL,Li H,Zhang XM,Chen WR,Wang YX

更新日期：2014-01-01 00:00:00