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Photomedicine and Laser Surgery

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https://www.readbyqxmd.com/read/28426376/evaluation-of-different-laser-supported-surgical-protocols-for-the-treatment-of-oral-leukoplakia-a-long-term-follow-up
#1
Samir Nammour, Toni Zeinoun, Amaury Namour, Alain Vanheusden, Paolo Vescovi
PURPOSE: The aim of this study was to evaluate the long-term success rate of oral leukoplakia treatments by using different laser-supported surgical protocols. PATIENTS AND METHODS: Overall, 2347 diagnosed homogeneous oral leukoplakias were treated with CO2 laser and were included in this study. Different surgical protocols (P) were used: P1 (SV = superficial scanning) was a complete superficial vaporization of the leukoplakia by a scanning mode in two passages respecting an overlapping...
April 20, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28426337/the-21st-century-with-the-goal-of-better-understanding-the-applications-of-laser-therapy-in-periodontal-disease-management
#2
Hisashi Watanabe
No abstract text is available yet for this article.
April 20, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28426336/effect-of-laser-energy-and-tip-insertion-depth-on-the-pressure-generated-outside-the-apical-foramen-during-er-yag-laser-activated-root-canal-irrigation
#3
Kanako Yao, Kazuhisa Satake, Satoshi Watanabe, Arata Ebihara, Chihiro Kobayashi, Takashi Okiji
OBJECTIVE: The risk of extrusion of irritative irrigants into the extraradicular tissue should be minimized during root canal irrigation. This study aimed to examine the pressure generated outside the apex during Er:YAG laser-activated irrigation (LAI) in comparison with passive ultrasonic irrigation (PUI) and conventional syringe irrigation (SI). BACKGROUND DATA: LAI is reported to be efficient for root canal debridement, whereas the apical pressure generated during LAI has not been investigated in detail...
April 20, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28426292/efficacy-of-three-different-lasers-on-eradication-of-enterococcus-faecalis-and-candida-albicans-biofilms-in-root-canal-system
#4
Silvija Kasić, Marita Knezović, Nataša Beader, Dragana Gabrić, Ana Ivanišević Malčić, Anja Baraba
OBJECTIVE: The objective was to compare the efficacy of three different lasers in disinfection of root canals inoculated with Enterococcus faecalis and Candida albicans biofilms. BACKGROUND: Endodontic space disinfection depends on the type of root canal irrigant used and the way it is delivered and agitated because irrigants have limited ability to reach all parts of root canal system. MATERIALS AND METHODS: Thirty single-rooted human teeth were selected...
April 20, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28394240/effect-of-laser-activated-irrigations-on-smear-layer-removal-from-the-root-canal-wall
#5
Xiaoli Wang, Xiaogang Cheng, Baogang Liu, Xin Liu, Qing Yu, Wenxi He
OBJECTIVE: The purpose of this study was to evaluate the effect of laser-activated irrigations (LAI) by using the Erbium: Yttrium Aluminum Garnet (Er:YAG) laser and the Erbium Chromium: Yttrium Scandium Gallium Garnet (Er,Cr:YSGG) laser on removing smear layer (SL) from the root canal wall. BACKGROUND DATA: LAI has been proposed as an adjuvant to conventional protocols of endodontic treatment to enhance the disinfection, which is a promising protocol for SL removal...
April 5, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28375683/can-we-improve-the-laser-etching-with-the-digitally-controlled-laser-handpiece-xrunner
#6
Hilal Yilanci, Serdar Usumez, Aslihan Usumez
OBJECTIVE: The aim of this study was to compare the shear bond strength (SBS), enamel surface characteristics, and the adhesive remnant index (ARI) scores of different etching methods. BACKGROUND DATA: Laser etching changes the physical characteristics of the enamel surface and these alterations hold promise for the conditioning of enamel for bonding procedures. A new Er:YAG laser handpiece is unique in its ability to digitally control size, shape, and depth of irradiated enamel area...
April 5, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28375684/minimally-invasive-excision-of-epulides-with-a-co2-laser-a-retrospective-study-of-90-patients
#7
Astrid Truschnegg, Stephan Acham, Lumnije Kqiku, Norbert Jakse, Alfred Beham
OBJECTIVE: It is the aim of this study to evaluate if the CO2 laser can beneficially be applied for excising epulides. BACKGROUND DATA: The standard procedure for treating epulides involves the excision of the hyperplastic tissue followed in most cases by the removal of parts of the underlying bone and the final closure of the wound by a flap. The use of the CO2 laser for the treatment of epulides has been documented only in isolated case reports and very few case series...
March 30, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28358663/a-retrospective-evaluation-of-partial-glossectomy-for-early-tongue-cancer-using-a-carbon-dioxide-laser
#8
Akira Kimoto, Hiroaki Suzuki, Junya Yamashita, Junichiro Takeuchi, Kousuke Matsumoto, Yui Enomoto, Takahide Komori
OBJECTIVE: The purpose of this study was to retrospectively evaluate the postoperative results of partial glossectomy for early tongue cancer using a carbon dioxide laser (CO2 laser). BACKGROUND DATA: CO2 lasers are frequently used for the excision or treatment of soft tissue in a range of diseases, including oral cancer, leukoplakia, mucocele, anomalies of the labial and lingual frenum, and peri-implantitis. MATERIALS AND METHODS: We retrospectively reviewed 31 primary cases of early superficial tongue cancer that were treated using CO2 lasers...
March 30, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28358662/effect-of-laser-photobiomodulation-with-gradual-or-constant-doses-in-the-regeneration-of-rats-mental-nerve-after-lesion-by-compression
#9
Robson Tetsuo Sasaki, Natália Garrido Grossi, Rafael Tardeli Zeni, Daniel Martinez Saez, Ivair Donizeti Gonçalves, Marcelo Cavenaghi Pereira da Silva
OBJECTIVE: Assess morphologically the efficacy of constant dose (CD) or gradual dose (GD) in photobiomodulation therapy (PBMT) during the regeneration process of rats' mental nerve after compression lesion. MATERIALS AND METHODS: Forty-eight male Wistar rats were used and divided into four groups (n = 12): negative control (NC): lesion by compression; positive control (PC): no lesion; GD: lesion by compression and PBMT with GD; and CD: lesion by compression and PBMT with CD...
March 30, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28358661/evaluation-of-the-effects-of-photobiomodulation-on-bone-healing-in-healthy-and-streptozotocin-induced-diabetes-in-rats
#10
Ataroalsadat Mostafavinia, Sara Razavi, Mohammadamin Abdollahifar, Abdollah Amini, Seyed Kamran Ghorishi, Fatemehalsadat Rezaei, Ramin Pouriran, Mohammad Bayat
OBJECTIVE: This study aimed to assess the effects of Photobiomodulation (PBM) with pulsed wave laser on Hounsfield unit (HU) and bone strength at a catabolic response (bone resorption) of a callus bone defect in healthy and streptozotocin (STZ)- induced type I diabetes mellitus (TI DM) in rats. BACKGROUND DATA: Conflicting results exist regarding the effect of PBM on bone healing in healthy and diabetic animals. MATERIALS AND METHODS: We randomly divided 20 adult female rats into the following groups: (1) control, no TI DM, and no PBM; (2) no TI DM and PBM; (3) TI DM and no PBM; and (4) TI DM and PBM...
March 30, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28322603/bond-strength-of-abraded-and-non-abraded-bleached-enamel-to-resin-after-er-cr-ysgg-laser-irradiation
#11
Pedro H C Oliveira, Alessandra Cassoni, Aldo Brugnera, Ilana P Tenório, José A Rodrigues
OBJECTIVE: The objective of the study was to evaluate the microtensile bond strength (μTBS) of a composite resin to abraded or non-abraded bleached enamel after Er,Cr:YSGG laser irradiation and to observe the fracture patterns of the tested interfaces. MATERIALS AND METHODS: Two hundred twenty-eight bovine incisors were sectioned, resulting in 228 enamel blocks (7 × 4 × 4 mm(3)) that were divided into 12 groups (n = 19) according to the factors "adhesion" after bleaching (immediate adhesion; after 14 days; and a control group with adhesion on unbleached teeth); enamel "abrasion" (with or without abrasion simulating cavity preparation); and "laser" (with or without Er,Cr:YSGG laser irradiation)...
March 16, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28301292/reduce-adverse-effects-of-laparoscopic-cholecystectomy-with-pulse-width-modulated-led-light-625%C3%A2-nm-76%C3%A2-hz-23-duty-cycle
#12
Alexander V Redkin, Victor V Vdovin, Victor M Vakhtel, Pavel A Lukyanovich, Natalia A Malkina
OBJECTIVE: Reducing adverse effects in laparoscopic cholecystectomy (LCE) is important to avoid complications. After removal, the porta hepatis and gallbladder bed of liver were treated with pulse width modulated (PWM) red LED light with parameters λ = 625 ± 5 nm, full width at half maximum 17 nm, 76 Hz, duty cycle 23%, 15-30 mW/cm(2), and 0.9-1.8 J/cm(2). The changes of eight blood parameters were studied: red blood cell, hemoglobin, white blood cell, erythrocyte sedimentation rate (ESR), bilirubin, aspartate transaminase (AST), alanine transaminase (ALT), and amylase...
March 16, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28294701/the-impact-of-a-940%C3%A2-nm-diode-laser-with-radial-firing-tip-and-bare-end-fiber-tip-on-enterococcus-faecalis-in-the-root-canal-wall-dentin-of-bovine-teeth-an-in-vitro-study
#13
Ruth Schulte-Lünzum, Norbert Gutknecht, Georg Conrads, Rene Franzen
OBJECTIVE: This in vitro study aimed to compare the bactericidal effect of two different laser delivery systems, a radial firing tip (RFT) and bare end fiber tip (BFT) used with the 940 nm diode laser on Enterococcus faecalis inoculated onto bovine radicular dentin. MATERIALS AND METHODS: A total of 100 bovine dentin slices with a defined thickness of 500 and 1000 μm were prepared. They were assigned into four test groups together with untreated samples served as control for each slice thickness...
March 14, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28294697/efficacy-of-low-level-laser-therapy-in-subjective-tinnitus-patients-with-temporomandibular-disorders
#14
Nermin Demirkol, Aslihan Usumez, Mehmet Demirkol, Fatih Sari, Cihan Akcaboy
OBJECTIVE AND BACKGROUND: Tinnitus is an apparent sound, perceived in the ear with no stimulus. It has been described as a sound originating from the brain. It affects 17% of the general population. Etiological factors for tinnitus include temporomandibular joint disorders (TMJ, TMD) and Costen's syndrome. The aim of treatment is to eliminate the tinnitus or at least decrease its apparent volume. MATERIALS AND METHODS: In total, 46 patients referred to our department with bilateral subjective tinnitus with TMDs were selected for this study...
March 14, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28294694/the-effects-of-transcutaneous-and-intraoral-low-level-laser-therapy-after-extraction-of-lower-third-molars-a-randomized-single-blind-placebo-controlled-dual-center-study
#15
Sevil Altundag Kahraman, Sedat Cetiner, Robert A Strauss
OBJECTIVE AND BACKGROUND: The surgical removal of impacted third molars is one of the most common procedures performed by oral and maxillofacial surgeons. The purpose of this study is to determine whether either transcutaneous or intraoral low-level laser therapy (LLLT) reduces postoperative pain and assists in the healing of mandibular third molar extraction. MATERIALS AND METHODS: This randomized, placebo controlled, single-blind, split-mouth design study was conducted on 60 patients with full bony impacted similar position mandibular third molars bilaterally...
March 14, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28294706/histopathological-microbiological-and-radiographic-analysis-of-antimicrobial-photodynamic-therapy-for-the-treatment-of-teeth-with-apical-periodontitis-a-study-in-rats-molars
#16
Alessandra Cesar Trindade, José Antônio Poli de Figueiredo, Sílvia Dias de Oliveira, Valdir Cristóvão Barth Junior, Stephanie Wagner Gallo, Carina Follmann, Carlos Frederico Brilhante Wolle, Liviu Steier, Renata Dornelles Morgental, João Batista Blessmann Weber
OBJECTIVE: The aim of this study was to evaluate in vivo, by histological and radiographic analysis, the response of apical tissues of rats' teeth with experimentally induced apical periodontitis, after one- and two-session endodontic treatment with and without photodynamic therapy (PDT). A microbiological analysis was also performed to verify bacterial reduction after each treatment. BACKGROUND DATA: Studies carried out in recent years highlighted the antibacterial potential of PDT when associated with conventional endodontic therapy in vitro...
March 9, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28253073/does-low-level-laser-therapy-enhance-the-efficiency-of-orthodontic-dental-alignment-results-from-a-randomized-pilot-study
#17
Gianluigi Caccianiga, Alessio Paiusco, Letizia Perillo, Riccardo Nucera, Alberto Pinsino, Marcello Maddalone, Giancarlo Cordasco, Antonino Lo Giudice
OBJECTIVE: To assess if low-level laser therapy (LLLT) enhances the efficiency of orthodontic dental alignment. BACKGROUND: There is no evidence of the effect of LLLT on the orthodontic treatment time from randomized clinical trials. METHODS: Thirty-six subjects were included in this interventional pilot study and randomly assigned for treatment with fixed appliance and LLLT (test group) or with fixed appliance only (control group). A single monthly administration of LLLT was performed intraorally using a Diode laser (980 nm, 1 W, continuous wave, total energy density = 150 J/cm(2); Doctor Smile-Lambda Spa)...
March 2, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28253064/effects-of-two-diode-lasers-with-and-without-photosensitization-on-contaminated-implant-surfaces-an-ex-vivo-study
#18
Nicola Alberto Valente, Thomas Mang, Michael Hatton, Lynn Mikulski, Sebastiano Andreana
OBJECTIVE: The aim of this ex vivo study is to assess decontamination potential of two different diode laser wavelengths, with or without the aid of photodynamic therapy, on dental implant surfaces and to evaluate the harmful potential of temperature increase during laser irradiation. MATERIALS AND METHODS: One hundred thirty-two machined sterile implants were placed into sterile porcine bone blocks with standardized coronal angular bony defects and inoculated with Streptococcus sanguinis...
February 16, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28186867/significant-improvement-in-cognition-in-mild-to-moderately-severe-dementia-cases-treated-with-transcranial-plus-intranasal-photobiomodulation-case-series-report
#19
Anita E Saltmarche, Margaret A Naeser, Kai Fai Ho, Michael R Hamblin, Lew Lim
OBJECTIVE: This study investigated whether patients with mild to moderately severe dementia or possible Alzheimer's disease (AD) with Mini-Mental State Exam (MMSE) Baseline scores of 10-24 would improve when treated with near-infrared photobiomodulation (PBM) therapy. BACKGROUND: Animal studies have presented the potential of PBM for AD. Dysregulation of the brain's default mode network (DMN) has been associated with AD, presenting the DMN as an identifiable target for PBM...
February 10, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28186862/comparison-of-conventional-syringe-canalbrush-endoactivator-photon-induced-photoacoustic-streaming-and-manual-instrumentation-in-removing-orange-brown-precipitate-an-in-vitro-study
#20
Mehmet Burak Guneser, Asiye Nur Dincer, Dilara Arslan
OBJECTIVE: The aim of this in vitro study was to compare the various techniques for removing precipitate formed after irrigation with sodium hypochlorite (NaOCl) and chlorhexidine (CHX). BACKGROUND DATA: It is still unclear whether different irrigant activation systems can effectively remove precipitate that is firmly attached to the root canal walls. METHODS: Eighty-two extracted single-rooted human teeth were instrumented by using the ProTaper rotary system...
February 10, 2017: Photomedicine and Laser Surgery
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