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https://www.readbyqxmd.com/read/29243020/effect-of-1064-nm-q-switched-nd-yag-laser-on-invasiveness-and-innate-immune-response-in-keratinocytes-infected-with-candida-albicans
#1
Baroni Adone, De Filippis Anna, Oliviero Giovanni, Fusco Alessandra, Perfetto Brunella, Buommino Elisabetta, Donnarumma Giovanna
Candida albicans is an opportunistic pathogen commensal in the oral cavity, vagina, and healthy skin. Common therapeutic options for fungal infections are topical or systemic antifungal drugs. Recently, in cutaneous pathologies, lasers and light-based treatments have emerged showing few contraindications and minimal side effects. The Q-switched (Nd-YAG) laser at a wavelength of 1064 nm has been shown to be useful in dermatology, dentistry, and some other medical specialties. It is used to treat onychomycoses, warts, and wounds and in some other treatments...
December 14, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29204250/generation-and-role-of-reactive-oxygen-and-nitrogen-species-induced-by-plasma-lasers-chemical-agents-and-other-systems-in-dentistry
#2
REVIEW
Nayansi Jha, Jae Jun Ryu, Eun Ha Choi, Nagendra Kumar Kaushik
The generation of reactive oxygen and nitrogen species (RONS) has been found to occur during inflammatory procedures, during cell ischemia, and in various crucial developmental processes such as cell differentiation and along cell signaling pathways. The most common sources of intracellular RONS are the mitochondrial electron transport system, NADH oxidase, and cytochrome P450. In this review, we analyzed the extracellular and intracellular sources of reactive species, their cell signaling pathways, the mechanisms of action, and their positive and negative effects in the dental field...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29182953/the-use-of-laser-doppler-flowmetry-to-evaluate-oral-soft-tissue-blood-flow-in-humans-a-review
#3
REVIEW
Ayepa Alain Kouadio, Fabienne Jordana, N'goran Justin Koffi, Pierre Le Bars, Assem Soueidan
The objective of this work is to define the conditions for improving the use of laser Doppler flowmetry (LDF) and to determine the limits for the use of this technique. This article systematically reviews the literature on the evaluation of oral soft tissue blood microcirculation by LDF. We analysed the available literature through October 2016 using the database resources Medline/PubMed, the Cochrane Oral Health Group Specialist Trials Register and the ISI Web of Knowledge. Several points emerged from this literature review The use of LDF involves specific constraints; however, the influence of different factors (temperature, tobacco, pressure etc...
November 22, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29179355/use-of-vital-pulp-therapies-in-primary-teeth-with-deep-caries-lesions
#4
(no author information available yet)
PURPOSE: This manuscript presents evidence-based guidance on the use of vital pulp therapies for treatment of deep caries lesions in children. A guideline panel convened by the American Academy of Pediatric Dentistry formulated evidence-based recommendations on three vital pulp therapies: indirect pulp treatment (IPT; also known as indirect pulp cap), direct pulp cap (DPC), and pulpotomy. METHODS: The basis of the guideline's recommendations was evidence from "Primary Tooth Vital Pulp Therapy: A Systematic Review and Meta-Analysis...
September 15, 2017: Pediatric Dentistry
https://www.readbyqxmd.com/read/29133967/comparison-of-marginal-microleakage-of-flowable-composite-restorations-in-primary-canine-teeth-prepared-with-high-speed-diamond-bur-er-yag-laser-and-er-cr-ysgg-laser
#5
Beheshteh Malekafzali, Mohammad Asnaashari, Fateme Javadi
Background and Objectives: Adhesive restorations have become highly popular in pediatric dentistry, and novel methods of cavity preparation with minimal patient discomfort including Er:YAG and Er,Cr:YSGG laser preparations have greatly advanced. This study aimed to compare the microleakage of composite restorations of class V cavities prepared in primary canine teeth with high-speed bur and Er:YAG and Er,Cr:YSGG lasers. Materials and Methods: This in vitro study was conducted on 30 class V cavities prepared on the buccal surfaces of primary canine teeth in three groups (n = 10) of bur preparation, Er:YAG laser and Er,Cr:YSGG laser...
September 30, 2017: Laser Therapy
https://www.readbyqxmd.com/read/29133965/evaluation-of-adjunctive-effect-of-low-level-laser-therapy-on-pain-swelling-and-trismus-after-surgical-removal-of-impacted-lower-third-molar-a-double-blind-randomized-clinical-trial
#6
Farrokh Farhadi, Hosein Eslami, Alireza Majidi, Vahid Fakhrzadeh, Milad Ghanizadeh, Sahar KhademNeghad
Background and Aim: Wisdom teeth remains impacted in the jaw due to several reasons and surgery of impacted wisdom teeth is one of the most common surgeries in dental clinics. Pain, swelling and trismus are the common complications after this surgery which affect quality of life. In articles, various methods are introduced to control immediate inflammatory-response associated with third-molar surgery. The aim of this study is to evaluate the adjunctive effect of low-level laser Therapy on pain, swelling and trismus after surgical removal of impacted lower third molar...
September 30, 2017: Laser Therapy
https://www.readbyqxmd.com/read/29131724/the-latest-laser-innovations-in-dentistry
#7
Tatjana Dostalova, Helena Jelinkova
No abstract text is available yet for this article.
November 13, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29071020/in-vitro-comparison-of-fluoride-gel-alone-and-in-combination-with-er-cr-ysgg-laser-on-reducing-white-spot-lesions-in-primary-teeth
#8
Fatemeh Molaasadollah, Mohammad Asnaashari, Fatemeh Mashhadi Abbas, Maral Jafary
Introduction: Laser therapy has been suggested as a method for caries-prevention, and ErCr:YSGG laser is increasingly used in dentistry. This study aimed to compare the efficacy of fluoride gel alone and in conjunction with Er,Cr:YSGG laser for remineralization of white spot lesions (WSLs) in primary teeth. Methods: This study was conducted on 20 primary teeth with WSLs extracted for orthodontic reasons. Three sections were made of each tooth at the site of WSLs. The surface area of WSLs was measured under a stereomicroscope at ×25 magnification...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/29070150/use-of-vital-pulp-therapies-in-primary-teeth-with-deep-caries-lesions
#9
Vineet Dhar, Abdullah A Marghalani, Yasmi O Crystal, Ashok Kumar, Priyanshi Ritwik, Ozlem Tulunoglu, Laurel Graham
PURPOSE: This manuscript presents evidence-based guidance on the use of vital pulp therapies for treatment of deep caries lesions in children. A guideline panel convened by the American Academy of Pediatric Dentistry formulated evidence-based recommendations on three vital pulp therapies: indirect pulp treatment (IPT; also known as indirect pulp cap), direct pulp cap (DPC), and pulpotomy. METHODS: The basis of the guideline's recommendations was evidence from "Primary Tooth Vital Pulp Therapy: A Systematic Review and Meta-Analysis...
September 15, 2017: Pediatric Dentistry
https://www.readbyqxmd.com/read/29053658/low-level-laser-therapy-for-treatment-of-neurosensory-disorders-after-orthognathic-surgery-a-systematic-review-of-randomized-clinical-trials
#10
M-A-V Bittencourt, L-R Paranhos, P-R-S Martins-Filho
BACKGROUND: Low-level laser has been widely used in Dentistry and many studies have focused on its application in oral surgeries. This study was conducted with the aim of searching for scientific evidence concerning the effectiveness of laser to reduce pain or paresthesia related to orthognathic surgery. MATERIAL AND METHODS: An electronic search was performed in PubMed, Scopus, Science Direct, LILACS, SciELO, CENTRAL, Google Scholar, OpenGrey, and ClinicalTrials...
November 1, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29022844/laser-biophotomodulation-in-patients-with-neurosensory-disturbance-of-the-inferior-alveolar-nerve-after-sagittal-split-ramus-osteotomy-a-2-year-follow-up-study
#11
Daniela Guarini, Benjamín Gracia, Valeria Ramírez-Lobos, Alfredo Noguera-Pantoja, Pedro Solé-Ventura
OBJECTIVES: To evaluate the effect of the application of photobiomodulation in a 2-year follow-up period in patients who have been intervened with a sagittal ramus split osteotomy and present neurosensory disturbance of the inferior alveolar nerve. BACKGROUND: Photobiomodulation is a common clinical tool in dentistry, for its beneficial effects have been shown in surgical and periodontal wound healing, reducing of swelling and pain, neurosensory recovery, and treatment of temporomandibular joint disorders...
October 12, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28890621/soft-tissue-applications-of-er-cr-ysgg-laser-in-pediatric-dentistry
#12
Gyanendra Kumar, Ferah Rehman, Vivek Chaturvedy
Soft tissue laser, such as diode and Nd:YAG lasers were initially used in soft tissue lesions because of its increased success rate. It was because of the fact that these lasers were well-absorbed by chromophores, such as hemoglobin and melanin which are found abundant in the oral mucosa. The introduction of erbium family in 1990 comprising the Er:YAG and Er,Cr:YSGG lasers made the hard tissue laser a boon for dentistry. Erbium, chromium-doped yttrium, scandium, gallium and garnet (Er,Cr:YSGG) was introduced in 1997 for the surgical needs of clinical dentistry in general practice...
April 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28869625/phase-composition-and-morphology-characteristics-of-ceria-stabilized-zirconia-powders-obtained-via-sol-gel-method-with-various-ph-conditions
#13
Damian S Nakonieczny, Zbigniew K Paszenda, Marcin Basiaga, Tomasz Radko, Sabina Drewniak, Jacek Podwórny, Wojciech Bogacz
PURPOSE: High purity, fine crystalline, degradation-free at low temperature powders have attracted special interest in CAD/CAM prosthetic dentistry full ceramic restorations. This study reports the preparation and characterisation of zirconia-ceria (0.9 ZrO2 0.1 CeO2) powders. Materials were obtained from zirconium-n-alkoxide and cerium nitrate hexahydrate in the pH 2-4 and 8-10. METHODS: Zirconia- ceria powders were obtained with the sol-gel method in a humid-free environment...
2017: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/28867525/a-customised-digitally-engineered-solution-for-fixed-dental-rehabilitation-in-severe-bone-deficiency-a-new-innovative-line-extension-in-implant-dentistry
#14
Nils-Claudius Gellrich, Rüdiger M Zimmerer, Simon Spalthoff, Philipp Jehn, Philipp-Cornelius Pott, Majeed Rana, Björn Rahlf
OBJECTIVES: Numerous procedures including soft and hard tissue reconstructions are necessary to allow for final implant-borne dental rehabilitation in patients with severe alveolar atrophy or resected jaws. In these cases, customised digitally engineered patient solutions for fixed or removable dental rehabilitation provide an innovative line extension to conventional implant dentistry. MATERIAL AND METHODS: A wax-up was performed on plaster models that were scanned by 3D laser...
October 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28835596/laser-prepared-and-bonding-filled-fissure-sealing-sem-and-oct-analysis-of-marginal-and-internal-adaptation
#15
Tissiana Bortolotto, Pascal Mast, Ivo Krejci
This study assessed the effect of bur or Er:YAG laser preparation on marginal and internal adaptation of conventional and extended fissure sealing (FS) with a 3-component etch-and-rinse (Optibond FL; OFL) and a 1-component self-etch (Scotchbond Universal; SB) adhesive system. Scanning electron microscope analysis was performed before and after thermocycling/occlusal load and additional optical coherence tomography evaluation was carried out for internal marginal assessment. Significant differences were observed between the groups (ANOVA, p<0...
August 24, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28776111/methylene-blue-mediated-photobiomodulation-on-human-osteoblast-cells
#16
Gamze Bölükbaşı Ateş, Ayşe Ak, Bora Garipcan, Murat Gülsoy
Photobiomodulation (PBM) and photodynamic therapy (PDT) are two major methods, which use light in medicine and dentistry. PBM uses low-level laser light to induce cell proliferation and activity. In contrast, PDT use laser light combined with a photosensitizer (PS) to cause cell death. Due to similar, not fully understood mechanisms and biphasic response of light, unexpected and complex outcomes may be observed. In the present study, the effect of 635 nm laser light, with power density 50 mW/cm(2), at three different energy densities (0...
November 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28772451/marginal-accuracy-and-internal-fit-of-3-d-printing-laser-sintered-co-cr-alloy-copings
#17
Myung-Joo Kim, Yun-Jung Choi, Seong-Kyun Kim, Seong-Joo Heo, Jai-Young Koak
Laser sintered technology has been introduced for clinical use and can be utilized more widely, accompanied by the digitalization of dentistry and the development of direct oral scanning devices. This study was performed with the aim of comparing the marginal accuracy and internal fit of Co-Cr alloy copings fabricated by casting, CAD/CAM (Computer-aided design/Computer-assisted manufacture) milled, and 3-D laser sintered techniques. A total of 36 Co-Cr alloy crown-copings were fabricated from an implant abutment...
January 23, 2017: Materials
https://www.readbyqxmd.com/read/28691432/effect-of-diode-lasers-with-wavelength-of-445-and-980-nm-on-a-temperature-rise-when-uncovering-implants-for-second-stage-surgery-an-ex-vivo-study-in-pigs
#18
Jacek Matys, Rafał Flieger, Marzena Dominiak
BACKGROUND: Many surgical procedures in a soft tissue are performed using diodes lasers. Recently, a novel diode laser operates in 445 nm wavelength was introduced in dentistry. OBJECTIVES: The aim of our study was to evaluate a time of surgery and an increase in temperature of a titanium implants during its uncovering using 445 and 980 nm wavelengths. MATERIAL AND METHODS: The research included 45 pig mandibles (n=45). The specimens were randomly divided into 3 groups (n=15) according to the laser irradiation mode and wavelength; G1 - 445nm laser, power: 3 W, continuous wave (CW), distance: 2 mm, power density: 7460 W/cm2, fiber: 320µm, none-contact mode; G2 - 445nm laser (power: 2 W, CW, power density: 4970 W/cm2, fiber: 320µm, contact mode; G3 (control) - 980nm laser, power: 2...
June 27, 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28652897/low-level-laser-therapy-in-russia-history-science-and-practice
#19
REVIEW
Sergey Vladimirovich Moskvin
In Russia (formerly USSR) study of biomodulation action (BMA) mechanisms of low-intensity laser irradiation (LILI) began in 1964, immediately after the development of lasers. During the period from 1965 to 1972 several dozens of scientific conferences were held, hundreds of studies were published. Generally, secondary mechanisms and results of LILI effect on patients with various diseases were studied. This data was immediately implemented into practical medicine in the fields of oncology, surgery, dermatology and dentistry, and since 1974 low level laser therapy (LLLT) is included in the standard of state medical care...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28642908/methodologies-for-measuring-the-setting-times-of-mineral-trioxide-aggregate-and-portland-cement-products-used-in-dentistry
#20
William Nguyen Ha, Timothy Nicholson, Bill Kahler, Laurence James Walsh
Objective The current standard used to measure setting time for Mineral Trioxide Aggregate (MTA) involves indentation testing with arbitrary weights. This study compared indentation testing against rheological measurements and assessed the influences of particle size and the inclusion of bismuth oxide on the setting time of experimental MTA and Portland cement (PC). Material and methods Two PCs (P1 and P2) of different particle sizes were produced using the same clinker. From these two PCs, two experimental MTAs (M1 and M2) were created with the addition of bismuth oxide...
December 2016: Acta Biomaterialia Odontologica Scandinavica
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