Laser-induced thermal events in empty and pulp-filled dental pulp chambers.

abstract：BACKGROUND AND OBJECTIVE:Transient optical nerve stimulation is a promising new non-contact, spatially precise, artifact-free neural excitation technique useful in research and clinical settings. This study evaluates safety of this pulsed infrared laser technique by histopathologic examination of stimulated peripheral ...

journal_title：Lasers in surgery and medicine

authors： Wells JD,Thomsen S,Whitaker P,Jansen ED,Kao CC,Konrad PE,Mahadevan-Jansen A

更新日期：2007-07-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:To evaluate the potentials of a 1310-nm optical coherence tomography (OCT) system to penetrate the highly backscattering sclera in enucleated human eyes and provide visualization of intraocular structures by transscleral imaging. STUDY DESIGN/MATERIALS AND METHODS:OCT-images were generated by ...

journal_title：Lasers in surgery and medicine

authors： Hoerauf H,Winkler J,Scholz C,Wirbelauer C,Gordes RS,Koch P,Engelhardt R,Laqua H,Birngruber R

更新日期：2002-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Alternative treatments are needed to achieve consistent and more complete port wine stain (PWS) removal, especially in darker skin types; photodynamic therapy (PDT) is a promising alternative treatment. To this end, we previously reported on Talaporfin Sodium (TS)-mediated PDT. It is essential ...

journal_title：Lasers in surgery and medicine

authors： Moy WJ,Yao J,de Feraudy SM,White SM,Salvador J,Kelly KM,Choi B

更新日期：2017-10-01 00:00:00

abstract：:partial ciliary processes argon laser photocoagulation (PCLP) in the management of glaucoma has been the subject of a carefully conducted, prospective 5+-year clinical trial in 22 eyes of 20 patients. The mean intraocular pressure (IOP) +/- SD was significantly lower (15.5 +/- 3.6 mm Hg) than before the procedure (29....

journal_title：Lasers in surgery and medicine

authors： Lee PF,Shihab Z,Eberle M

更新日期：1980-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Pyropheophorbide-a-hexyl ether (HPPH) is a new compound being investigated for use as a photosensitizer for photodynamic therapy; however, the pharmacokinetics are not known for any of the target species likely to be treated with this drug. The objective of this study was to determine the phar...

journal_title：Lasers in surgery and medicine

authors： Payne JT,McCaw DL,Casteel SW,Frazier D,Rogers K,Tompson RV

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Laser-assisted tissue repair is often accompanied by a high dehiscence rate, which may be due to alterations in suture material after laser exposure. The goal of this study was to investigate the effect of CO2 laser irradiation on the tensile strength of microsurgical suture material. STUDY DE...

journal_title：Lasers in surgery and medicine

authors： Menovsky T,Beek JF,van Gemert MJ

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Er:YAG laser has been used for caries removal and cavity preparation, using ablative parameters. Its effect on the margins of restorations submitted to cariogenic challenge has not yet been sufficiently investigated. The aim of this study was to assess the enamel adjacent to restored Er:YAG la...

journal_title：Lasers in surgery and medicine

authors： Chimello DT,Serra MC,Rodrigues AL Jr,Pécora JD,Corona SA

更新日期：2008-11-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:During transmyocardial laser revascularization (TMLR), multiple microembolic signals (MES) can be detected in cerebral arteries. We sought to characterize composition and clinical relevance of these MES and to evaluate strategies to reduce cerebral microembolization during TMLR. STUDY DESIGN/...

journal_title：Lasers in surgery and medicine

authors： Gerriets T,Grossherr M,Misfeld M,Nees U,Reusche E,Stolz E,Sievers HH,Kaps M,Kraatz EG

更新日期：2004-01-01 00:00:00

abstract：OBJECTIVE:Dental composite restorative materials are color matched to the tooth and are difficult to remove by mechanical means without excessive removal or damage to peripheral enamel and dentin. Lasers are ideally suited for selective ablation to minimize healthy tissue loss when replacing existing restorations, seal...

journal_title：Lasers in surgery and medicine

authors： Chan KH,Hirasuna K,Fried D

更新日期：2011-09-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Hyperhidrosis is a condition that affects a large percentage of the population and has a significant impact on peoples' lives. This report presents a technical overview of a new noninvasive, microwave-based device for creating thermolysis of sweat glands. The fundamental principles of operatio...

journal_title：Lasers in surgery and medicine

authors： Johnson JE,O'Shaughnessy KF,Kim S

更新日期：2012-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Interstitial photodynamic therapy (iPDT) of non-resectable recurrent glioblastoma using 5-aminolevulinic acid (ALA)-induced protoporphyrin IX (PpIX) has shown a promising outcome. It remained unclear, however, to what extent inter- and intra-tumoural differences of PpIX concentrations influence...

journal_title：Lasers in surgery and medicine

authors： Johansson A,Faber F,Kniebühler G,Stepp H,Sroka R,Egensperger R,Beyer W,Kreth FW

更新日期：2013-04-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:We reported the use of Holmium-YAG laser in the management of a foreign body impacted in the esophagus. STUDY DESIGN/PATIENTS AND METHODS:Esophagoscopy was performed on a man with a denture impacted in the esophagus. The denture was disimpacted into the stomach and fractured with Holmium-YAG l...

journal_title：Lasers in surgery and medicine

authors： Lam YH,Ng EK,Chung SC,Li AK

更新日期：1997-01-01 00:00:00

abstract：:We describe our experience and the problems we encountered organizing an autonomous surgical unit in which the equipment and organization enable three lasers to be used in may different applications in medicine and surgery. The three lasers--CO2, Nd:YAG, and argon--may now be used by all the departments concerned with...

journal_title：Lasers in surgery and medicine

authors： Chavoin JP,Costagliola M,Laffitte F,Vachaud M

更新日期：1983-01-01 00:00:00

abstract：:Laser photocoagulation has proven to be valuable in the treatment of port-wine stains. In this application, the minimal blanching technique is used as an indicator of suitable dosage since it has been demonstrated that the immediate appearance a white mark is required to achieve permanent blanching a few months later....

journal_title：Lasers in surgery and medicine

authors： Mordon S,Beacco C,Rotteleur G,Brunetaud JM

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Low-intensity laser irradiation (LILI) has been used to modulate a variety of biological processes, including diabetic wound healing. The mechanism of action is thought to exist primarily with the mitochondria. This study aimed to determine the effect of irradiation on normal, diabetic, and isc...

journal_title：Lasers in surgery and medicine

authors： Houreld NN,Masha RT,Abrahamse H

更新日期：2012-07-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Although topical corticosteroids are still the first-line option for vitiligo, its efficacy is still unsatisfactory for stable vitiligo. A few studies have focused on laser-assisted drug delivery (LADD) but were limited by their sample deficiency and analyses of the influencing factors. To det...

journal_title：Lasers in surgery and medicine

authors： Huang C,Li P,Wang B,Deng Y,Li J,Mao M,Jian D

更新日期：2020-09-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:To further understand the precise process of the tumor cell degeneration after photodynamic therapy (PDT), laser hyperthermic therapy (LH), and combined treatments using an Nd:YAG laser. It is important to examine initial morphological alteration of tumor cells after these treatments. STUDY DE...

journal_title：Lasers in surgery and medicine

authors： Hotta S,Kashimura H,Hirai S,Nakahara A,Fukutomi H,Osuga T,Uchiyama Y

更新日期：1995-01-01 00:00:00

abstract：OBJECTIVE:5-Aminolevulinic acid based photodynamic therapy (5-ALA-PDT) has revealed promising results in the treatment of inflammatory joint diseases due to the sensitivity of inflamed synovial tissue. For 5-ALA-PDT to be safe and beneficial for intra-articular applications, resistance of chondrocytes is essential to p...

journal_title：Lasers in surgery and medicine

authors： Egli RJ,Di Criscio A,Hempfing A,Schoeniger R,Ganz R,Hofstetter W,Leunig M

更新日期：2008-04-01 00:00:00

abstract：:The CO2 laser has provided the otolaryngologist/head and neck surgeon with a valuable addition in the diagnosis and treatment of malignant disease of the oral cavity. It is also helpful in the treatment of the premalignant clinical leukoplakias of the oral cavity. Carcinoma in situ has been diagnosed and treated succe...

journal_title：Lasers in surgery and medicine

authors： Duncavage JA,Ossoff RH

更新日期：1986-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Laser has been reported as a heat source for melting and re-crystallization. Occurring at about 1100 degrees C, the melting of surface dental enamel along with re-crystallization might have an assistant role in the therapy of hypersensitive tooth, apical sealing of endodontic surgery in dentis...

journal_title：Lasers in surgery and medicine

authors： Wu CC,Roan RT,Chen JH

更新日期：2002-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:This study was conducted to clarify the morphologic characteristics and subsequent repair process of coagulation necrosis produced by pulsed CO(2) laser irradiation with relatively low fluence, and thereby to evaluate the clinical efficacy of this irradiation mode. STUDY DESIGN/MATERIALS AND ...

journal_title：Lasers in surgery and medicine

authors： Yamasaki A,Tamamura K,Sakurai Y,Okuyama N,Yusa J,Ito H

更新日期：2008-12-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Wound-healing delays caused by lateral thermal damage to tissue remain a drawback of CO(2) surgical lasers. This study compares the thermal damage and wound-healing properties of a 7.5-micros pulsed CO(2) laser with scalpel and continuous wave (CW) CO(2) laser incisions. STUDY DESIGN/MATERIALS...

journal_title：Lasers in surgery and medicine

authors： Sanders DL,Reinisch L

更新日期：2000-01-01 00:00:00

abstract：OBJECTIVES:This study aimed to determine the feasibility of conducting a full scale randomized controlled trial investigating the effectiveness of low level laser therapy (LLLT), also known as photobiomodulation (PBM) therapy, used in addition to conventional therapy, for managing breast cancer related lymphedema (BCRL...

journal_title：Lasers in surgery and medicine

authors： Baxter GD,Liu L,Tumilty S,Petrich S,Chapple C,Anders JJ,Laser Lymphedema Trial Team.

更新日期：2018-09-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Lasers are used for caries removal in enamel and dentin, but are currently limited in their ability to remove sound tooth structure. In this study plasma interaction regimes are investigated as the principal factor determining the ablation characteristics. STUDY DESIGN/MATERIALS AND METHODS:Th...

journal_title：Lasers in surgery and medicine

authors： Neev J,Pham K,Lee JP,White JM

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:To investigate the effect of photodynamic therapy (PDT) on cell death in malignant tumor tissue, the frequency of terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling (TUNEL)-positive cells and the possible involvement of Fas and Fas ligand system were evaluated. STUDY DESIGN...

journal_title：Lasers in surgery and medicine

authors： Yokota T,Ikeda H,Inokuchi T,Sano K,Koji T

更新日期：2000-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Intralipid (IP) is a scatterer extensively used in the building of phantoms for Biomedical Optics measurements. Recently, deviations from the linearity have been shown for the concentration scaling law of the scattering coefficient of IP water solutions at visible wavelengths. In this work thi...

journal_title：Lasers in surgery and medicine

authors： Autiero M,Liuzzi R,Riccio P,Roberti G

更新日期：2005-06-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Despite laser applications targetted toward tonsillar tissue, there has been no characterization of underlying optical and thermal events during laser irradiation of tonsillar tissue. STUDY DESIGN/MATERIALS AND METHODS:The optical properties of canine and human tonsils were determined at 805 n...

journal_title：Lasers in surgery and medicine

authors： Shah RK,Nemati B,Wang LV,Shapshay SM

更新日期：2001-01-01 00:00:00

abstract：:In this study, we examined short-term strength and histology of experimental argon and CO2 laser-welded and control-sutured enterotomies in a rabbit model. Longitudinal 1.0-cm enterotomies were closed with the argon laser at 0.5 (n = 10) or 1.0 (n = 10) W power and a spot diameter of 2.8 mm resulting in energy fluence...

journal_title：Lasers in surgery and medicine

authors： Vlasak JW,Kopchok GE,White RA

更新日期：1988-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Fiber-assisted laser surgery has been employed as a minimally invasive method in various medical fields. In spite of multiple sweeping on tissue during laser treatments, the rate of tissue removal gradually decreases and eventually leads to longer irradiation times as well as deeper thermal inj...

journal_title：Lasers in surgery and medicine

authors： Oh J,Nam SY,Lee YW,Kang HW

更新日期：2016-08-01 00:00:00

abstract：:This study was designed to examine the acute response of normal arterial wall to pulsed laser irradiation. Irradiation with an Excimer or a Holmium YAG laser was performed in 15 normal iliac sites of 8 male New Zealand white rabbits. The excimer laser was operated at 308 nm, 25 Hz, 50 mJ/mm2/pulse, and 135 nsec/pulse ...

journal_title：Lasers in surgery and medicine

authors： Nakamura F,Kvasnicka J,Levame M,Lange F,Bousbaa H,Geschwind HJ

更新日期：1993-01-01 00:00:00