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Er,Cr:YSGG

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https://www.readbyqxmd.com/read/28557642/comparing-the-efficiency-of-er-cr-ysgg-laser-and-diode-laser-on-human-%C3%AE-defensin-1-and-il-1%C3%AE-levels-during-the-treatment-of-generalized-aggressive-periodontitis-and-chronic-periodontitis
#1
Abdullah Seckin Ertugrul, Yasin Tekin, Ahmet Cemil Talmac
BACKGROUND: The aim of this study is to determine the suitability of the Er,Cr:YSGG and 940 ± 15-nm diode laser for the treatment of generalized aggressive periodontitis and chronic periodontitis by measuring the levels of human β-defensin-1 and IL-1β. PATIENTS AND METHODS: A total of 26 patients were included in this study. The study was designed as a "split-mouth" experiment. We performed scaling and root planing in the right maxillary quadrant, scaling and root planning + Er,Cr:YSGG laser in the left maxillary quadrant, scaling and root planning + 940 ± 15-nm diode laser in the left mandibular quadrant, and only scaling and root planing in the right mandibular quadrant...
May 30, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/28467022/comparing-fibroblast-attachment-in-root-surface-scaling-with-er-cr-ysgg-laser-versus-ultrasonic-scaler-a-sem-study
#2
Reza Fekrazad, Ghogha Lotfi, Mohammad Harandi, Sara Ayremlou, Katayoun A M Kalhori, Gholam Ali Gholami, Hanieh Nokhbatolfoghahaei
BACKGROUND AND OBJECTIVES: The regeneration of periodontal support is the main concern in periodontal therapy. The aim of this in vitro study was to investigate the fibroblasts attachment on root surfaces after scaling with Er, Cr:YSGG laser and ultrasonic instruments using scanning electron microscopy (SEM). METHODS: 72 root plates of ∼6 × 4 × 1 mm(3) in dimension were prepared from 27 single-rooted human mature teeth and were then divided into four groups...
May 3, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28461044/influence-of-laser-irradiation-on-the-push-out-bond-strength-between-a-glass-fiber-post-and-root-dentin
#3
Karla G F Gomes, Natália S Faria, Walter R Neto, Vivian Colucci, Erica A Gomes
STATEMENT OF PROBLEM: A major issue related to the failure of endodontically treated teeth restored with an intraradicular post is gradual debonding of the glass fiber post, resin cement, and dentin. PURPOSE: The purpose of this in vitro study was to evaluate the influence of laser irradiation on the push-out bond strength of glass fiber posts to radicular dentin. MATERIAL AND METHODS: Thirty-two mandibular bovine incisors were endodontically treated and divided into 4 groups according to the surface treatment of the post: silane control (GC); irradiation with Er:YAG (GYAG); irradiation with Er,Cr:YSGG (GCR); and 980-nm diode laser (GDI) application...
April 28, 2017: Journal of Prosthetic Dentistry
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/28402350/various-tip-applications-and-temperature-changes-of-er-cr-ysgg-laser-irradiated-implants-in-vitro
#5
Georgios E Romanos, Nicholas J Montanaro, Danielle Sacks, Robert J Miller, Fawad Javed, Jose Luis Calvo-Guirado, Rafael A Delgado-Ruiz
The impact of the laser tip on implant temperature when irradiating implants with lasers to treat peri-implantitis has received little attention. The present study was designed to assess the influence of two laser tips (sapphire chisel [MC3] and radial firing perio [RFP]) on temperature change of an implant irradiated with an Er,Cr:YSGG laser in vitro under various operational conditions. The results suggest that Er,Cr:YSGG irradiation using either tip with supplemental cooling can be a thermally safe approach to implant decontamination...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28394240/effect-of-laser-activated-irrigations-on-smear-layer-removal-from-the-root-canal-wall
#6
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
#7
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...
June 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28359996/treatment-of-recurrent-aphthous-stomatitis-with-er-cr-ysgg-laser-irradiation-a-randomized-controlled-split-mouth-clinical-study
#8
Hasan Guney Yilmaz, Mohammed Rateb Albaba, Ayse Caygur, Esra Cengiz, Fatma Boke-Karacaoglu, Hayriye Tumer
The present randomized controlled split mouth clinical study aimed to investigate the efficacy of Er,Cr:YSGG laser irradiation on pain reduction and healing rate of recurrent aphthous stomatitis. 40 patients with RAS were recruited for this study and RAS ulcerations of each patient were randomly assigned to the control or test group. In the test group, Er,Cr:YSGG laser with non-contact mode was used to irradiate RAS lesions. In the placebo group, RAS lesions were irradiated with the same device without laser emission...
May 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28322603/bond-strength-of-abraded-and-non-abraded-bleached-enamel-to-resin-after-er-cr-ysgg-laser-irradiation
#9
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/28301014/evaluation-of-surface-roughness-and-bacterial-adhesion-on-tooth-enamel-irradiated-with-high-intensity-lasers
#10
Ruchele D Nogueira, Camilla B Silva, Cesar P Lepri, Regina Guenka Palma-Dibb, Vinicius R Geraldo-Martins
The aim was to evaluate the surface roughness and bacterial adhesion on enamel irradiated with high intensity lasers, associated or not to a fluoride varnish. Eighty fragments of bovine enamel were equally divided in 8 groups (n=10). Group 1 was not treated and Group 2 received only a 5% fluoride varnish application. The other groups were irradiated with an Er:Cr:YSGG (8.92 J/cm2), an Nd:YAG (84.9 J/cm2) and a diode laser (199.04 J/cm2), associated or not to a 5% fluoride varnish. The surface roughness was measured before and after treatments...
January 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/28275279/influence-of-laser-activated-irrigation-with-two-erbium-lasers-on-bond-strength-of-inidividually-formed-fiber-reinforced-composite-posts-to-root-canal-dentin
#11
Ivana Parčina, Amižić, Ivana Miletić, Andrei C Ionescu, Eugenio Brambilla, Dragana Gabrić, Anja Baraba
OBJECTIVE: The aim of this in vitro study was to investigate the effect of laser activated irrigation (LAI) using two erbium lasers on bond strength of individually formed fiber-reinforced composite (FRC) posts to root canal dentin. MATERIALS AND METHODS: Twenty-seven single-rooted human teeth were endodontically treated and after post space preparation divided into three groups (n=9 per group), according to the pre-treatment of post space preparation: 1) Conventional syringe irrigation (CSI) and saline; 2) Er...
December 2016: Acta Stomatologica Croatica
https://www.readbyqxmd.com/read/28257161/evaluation-of-intra-root-canal-er-cr-ysgg-laser-irradiation-on-prosthetic-post-adherence
#12
Jose Quinto, Marcello Magri Amaral, Carlos Eduardo Francci, Patricia Aparecida Ana, Andreas Moritz, Denise Maria Zezell
PURPOSE: In clinical prosthetics procedures, including endodontics and post fixation, the presence of a smear layer can reduce the post bond strength. An Er,Cr:YSGG laser, which emits at 2780 nm, can promote a smear-layer-free surface due to the ablation process. Considering these aspects, the purpose of this work was to evaluate the influence of Er,Cr:YSGG laser irradiation using either a radial or an axial fiber tip on the bond strength of three resin cements to the fiber-reinforced composite posts...
March 3, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28210439/effect-of-endoactivator-and-er-cr-ysgg-laser-activation-of-qmix-as-final-endodontic-irrigant-on-sealer-penetration-a-confocal-microscopic-study
#13
Sarika Chaudhry, Sudha Yadav, Sangeeta Talwar, Mahesh Verma
BACKGROUND: Through chemomechanical debridement of the root canal is a primary requisite for successful endodontic therapy. Thus the aim of this study was to evaluate the effects of using QmiX alone, QmiX with EndoActivator and QmiX with Er,Cr:YSGG laser for final irrigation on sealer penetration into the dentinal tubules. MATERIAL AND METHODS: 75 extracted human mandibular premolar teeth were treated with sodium hypochlorite (NaOCl) irrigation. The samples were divided into 5 groups according to the final irrigation solution used: (1) 17% EDTA and 2...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28166448/treatment-of-gingival-melanin-hyperpigmentation-with-er-cr-ysgg-laser-short-term-follow-up-of-patient
#14
Basak Kusakcİ Seker
The increasing melanin hyperpigmentation of dark skinned individuals was related to the high activity of melanocytes. Also smoking reactive the melanocytes to produce melanin. Gingival depigmentation is a periodontal plastic procedure which has been carried out by various techniques. A healthy 36-years-old female patient complained about unaesthetic gingiva and she had smoked over 17 years. Hyperpigmentation of gingiva observed on the labial surface of both maxilla and mandibula. Er,Cr:YSGG laser was used for depigmentation with wavelength of 2780nm, frequency of 20hz, and pulse energy between 0-300 Mj...
February 6, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/27885966/er-cr-ysgg-laser-effectively-ablates-single-species-biofilms-on-titanium-disks-without-detectable-surface-damage
#15
Jason M Strever, Jaebum Lee, William Ealick, Mark Peacock, Daniel Shelby, Cristiano Susin, Donald Mettenberg, Ahmed El-Awady, Frederick Rueggeberg, Christopher W Cutler
BACKGROUND: Increasing evidence implicates biofilms, consisting of species such as Porphyromonas gingivalis, in the etiology of peri-implantitis. Multiple approaches to ablate biofilms on failing implants have been proposed, include the use of lasers; most recently the Er,Cr:YSGG laser. The purpose of this study is to establish an in-vitro single-species biofilm model on implant surfaces and determine power settings of the Er,Cr:YSGG laser that remove the biofilm while not causing physical damage to the disk...
November 25, 2016: Journal of Periodontology
https://www.readbyqxmd.com/read/27880028/effect-of-different-surface-treatments-on-bond-strength-of-resin-cement-to-a-cad-cam-restorative-material
#16
Kubilay Barutcigil, Çağatay Barutcigil, Esra Kul, Mehmet Mustafa Özarslan, Ulviye Sebnem Buyukkaplan
PURPOSE: To investigate the effects of various surface treatment methods on the shear bond strength of self-adhesive resin cement to a novel CAD/CAM hybrid ceramic material. MATERIALS AND METHODS: A novel hybrid ceramic restorative material (Vita Enamic) was used in this study. Sixty resin block specimens were prepared and separated into six groups for each surface treatment method (n = 10); group 1: control group, no treatment applied; group 2: sandblasted by 30 μm silicate-coated alumina particles (CoJet Sandblasting); group 3: 50 μm Al2 O3 sandblasting; group 4: 10% hydrofluoric acid; group 5: no surface treatment + universal adhesive (3M Single Bond Universal); group 6: 200 mJ, 10 Hz 2W Er,Cr:YSGG laser treatment...
November 23, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/27878896/bonding-performance-of-universal-adhesives-to-er-cr-ysgg-laser-irradiated-enamel
#17
Muhammet Kerim Ayar, Fatih Erdemir
Universal adhesives have been recently introduced for use as self-etch or etch-and-rinse adhesives depending on the dental substrate and clinical condition. However, their bonding effectiveness to laser-irradiated enamel is still not well-known. Thus, the aim of this study was to compare the shear bond strength (SBS) of universal adhesives (Single Bond Universal; Nova Compo-B Plus) applied to Er,Cr:YSGG laser-irradiated enamel with SBS of the same adhesives applied in self-etch and acid-etching modes, respectively...
April 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/27853347/surface-treatment-comparison-by-application-of-diamond-bur-and-er-cr-ysgg-at-different-powers-morphological-and-mechanical-evaluation
#18
Mansoreh Mirzaie, Esmael Yassini, Ardavan Etemadi, Atefeh Tavakoli, Nasim Chiniforush
Purpose: This study evaluated the micro-tensile bond strength of new and previous composite resin restorations after surface treatment with diamond bur and Er,Cr:YSGG laser at different power settings (2,3 and 4 W). Materials and methods: Micro-hybride composite resin was inserted in metallic mold 5 ×5 ×15 mm and cured for 40 sec according to manufacturer's instruction.12 blocks were made. The bonded surfaces of the 12 blocks so obtained were subsequently ground using Silicon Carbide papers 1200 grit, for 15 seconds under running water...
October 1, 2016: Laser Therapy
https://www.readbyqxmd.com/read/27853345/comparative-evaluation-of-microhardness-and-morphology-of-permanent-tooth-enamel-surface-after-laser-irradiation-and-fluoride-treatment-an-in-vitro-study
#19
Puneet Kumar, Mridula Goswami, Jatinder Kaur Dhillon, Ferah Rehman, Deepti Thakkar, Kusum Bharti
Background and aims: The aim of the study was to evaluate and compare the surface microhardness and surface morphology of permanent tooth enamel after Er,Cr:YSGG laser irradiation and Fluoride application. Materials and methods: One hundred and twenty premolars extracted for orthodontic purpose were used in the study and randomly divided into 6 groups. Group A was not subjected to any treatment. Group B was subjected to Er,Cr:YSGG laser irradiation. Group C was subjected to Er,Cr:YSGG laser irradiation followed by application of 2% NaF gel for 4 minutes...
October 1, 2016: Laser Therapy
https://www.readbyqxmd.com/read/27809724/er-cr-ysgg-laser-application-for-the-treatment-of-periodontal-furcation-involvements
#20
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...
February 2017: Photomedicine and Laser Surgery
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