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Er:yag

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https://www.readbyqxmd.com/read/28223745/intense-pulsed-light-alone-and-in-combination-with-erbium-yttrium-aluminum-garnet-laser-on-small-to-medium-sized-congenital-melanocytic-nevi-single-center-experience-based-on-retrospective-chart-review
#1
Mi So Lee, Hee Jin Jun, Sang Hyun Cho, Jeong Deuk Lee, Hei Sung Kim
BACKGROUND: Treatment of congenital melanocytic nevi (CMN) with intense pulsed light (IPL) has recently produced promising results. OBJECTIVE: To evaluate the clinical and histological outcomes of small-to-medium sized CMN treated with IPL alone and in combination with erbium: yttrium-aluminum-garnet (Er: YAG) laser. METHODS: We performed a retrospective chart review of 26 small-to-medium sized CMN treated as described above. The reduction in visible pigmentation, signs of recurrence and any adverse skin changes were evaluated by two independent clinicians...
February 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28208995/a-comparative-analysis-of-caries-inhibitory-effect-of-remineralizing-agents-on-human-enamel-treated-with-er-yag-laser-an-in-vitro-atomic-emission-spectrometry-analysis
#2
Aswin Saseendran Nair, R Krishna Kumar, Sunil Thomas Philip, Syed Shaheed Ahameed, Sairaj Punnathara, Joby Peter
INTRODUCTION: The tug of war to maintain tooth integrity is dependent on a ratio between demineralization and remineralization. Hence, demineralization should be retarded and remineralization should be enhanced to maintain a natural equilibrium in the oral cavity. AIM: To compare in-vitro acid resistance of human enamel when using Casein Phosphopeptides Amorphous Calcium Phosphate (CPP-ACP) [GC Tooth mousse] cream, Casein Phosphopeptide Amorphous Calcium Fluoride Phosphate (CPP-ACFP) [GC Tooth mousse plus] cream, Er:YAG laser alone, combination of CPP-ACP with Er:YAG laser, CPP-ACFP with Er:YAG laser...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28196171/er-yag-laser-for-surgical-crown-lengthening-a-6-month-clinical-study
#3
Chang-Kai Chen, Yung-Tsan Wu, Nai-Jen Chang, Wan-Hong Lan, Jyuhn-Hurng Ke, Earl Fu, Da-Yo Yuh
This study evaluated use of a solid-state laser to avoid the flap technique and suturing. An Er:YAG laser was used in 26 consecutive patients referred for osseous crown lengthening in 32 posterior teeth. The distance from the planned restoration margin to the alveolar crest (B) satisfied a 3-mm dentogingival complex. No tissue necrosis and no significant change in the distance from the gingival margin to B or probing depth were detected at 3 and 6 months. Minimally invasive Er:YAG laser surgery decreases the time needed to establish the gingival margin necessary for definitive restoration...
March 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28166434/a-systematic-review-of-comparative-studies-of-co2anderbium-yag-lasers-in-resurfacing-facial-rhytides-wrinkles
#4
Kee-Hsin Chen, Ka-Wai Tam, I-Fan Chen, Shihping Kevin Huang, Pei-Chuan Tzeng, Hsian-Jenn Wang, Chiehfeng Cliff Chen
BACKGROUND: Laser resurfacing is used to minimize wrinkles, solar scars, and sequelae of acne. OBJECTIVE: Purpose of the systemic review was to compare resurfacing outcomes of CO2 laser and erbium: yttrium-aluminum-garnet (erb:YAG) laser therapies. METHODS AND MATERIALS: Medline, Cochrane, EMBASE, Google Scholar databases were searched until April 9, 2015 using the following terms: laser, carbon dioxide/CO2, facial wrinkles, rhytides, erbium-doped yttrium aluminum garnet/erbium:YAG/Er:YAG...
February 6, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/28160204/the-effect-of-different-cleaning-methods-on-the-surface-and-temperature-of-failed-titanium-implants-an-in-vitro-study
#5
Sema S Hakki, Gulsah Tatar, Niyazi Dundar, Burak Demiralp
The aims of this in vitro study are to compare the efficacy of different cleaning methods in removing debris of failed implants and to detect thermal changes of the implants treated by various scaling instruments. Twenty-seven failed implants and two unused implants as control were included to this study-group 1: plastic curette (P), group 2: titanium curette (T), group 3: carbon curette (C), group 4: titanium brush (TB), group 5: Er:YAG laser (laser 1 (L1) 100 mJ/pulse at 10 Hz), group 6: Er:YAG laser (laser 2 (L2) 150 mJ/pulse at 10 Hz), group 7: Er:YAG laser (laser 3 (L3) 200 mJ/pulse at 10 Hz), group 8: ultrasonic scaler appropriate for titanium (US), group 9: air abrasive method (AA) + citric acid, and group 10: implantoplasty (I)...
February 4, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28125700/in-vitro-activity-of-er-yag-laser-in-comparison-with-other-treatment-modalities-on-biofilm-ablation-from-implant-and-tooth-surfaces
#6
Sigrun Eick, Ivan Meier, Florian Spoerlé, Philip Bender, Akira Aoki, Yuichi Izumi, Giovanni E Salvi, Anton Sculean
BACKGROUND AND AIM: Bacterial biofilms play a major role in the etiology of periodontal and peri-implant diseases. The aim of the study was to evaluate the removal of bacterial biofilms and attachment of epithelial cells (EC), gingival fibroblasts (GF) and osteoblast-like cells (OC) to dentin and titanium surfaces after Er:YAG laser (Er:YAG) in comparison with other treatment methods. MATERIAL AND METHODS: Multi-species bacterial biofilms were grown on standardized dentin and titanium specimens with a sand-blasted and acid etched (SLA) surface for 3...
2017: PloS One
https://www.readbyqxmd.com/read/28121513/evaluation-of-mineral-content-and-photon-interaction-parameters-of-dental-enamel-after-phosphoric-acid-and-er-yag-laser-treatment
#7
Huseyin Simsek, Taskın Gurbuz, Suleyman Kutalmış Buyuk, Yuksel Ozdemir
OBJECTIVE: The purpose of this study was to evaluate the effects of laser and acid etching on the mineral content and photon interaction parameters of dental enamel in human teeth. BACKGROUND DATA: The composition of dental enamel may vary, especially at the surface, depending on the reactions that occur during dental treatment. MATERIALS AND METHODS: Forty maxillary premolars were divided randomly into 2 groups of 20 teeth. In the first group, half of teeth crowns were etched by using 37% phosphoric acid; in the second group, half of teeth crowns were etched by using an erbium:yttrium-aluminum-garnet (Er:YAG) laser...
January 24, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28120248/a-randomized-controlled-clinical-and-histopathological-trial-comparing-excisional-biopsies-of-oral-fibrous-hyperplasias-using-co2-and-er-yag-laser
#8
Valerie G A Suter, Hans Jörg Altermatt, Michael M Bornstein
This study was conducted in order to compare clinical and histopathological outcomes for excisional biopsies when using pulsed CO2 laser versus Er:YAG laser. Patients (n = 32) with a fibrous hyperplasia in the buccal mucosa were randomly allocated to the CO2 (140 Hz, 400 μs, 33 mJ) or the Er:YAG laser (35 Hz, 297 μs, 200 mJ) group. The duration of excision, intraoperative bleeding and methods to stop the bleeding, postoperative pain (VAS; ranging 0-100), the use of analgesics, and the width of the thermal damage zone (μm) were recorded and compared between the two groups...
January 24, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28116422/-evaluation-of-root-canal-isthmus-debridement-efficacy-of-er-yag-laser-in-combination-with-sodium-hypochlorite
#9
Meng-Qi Zhou, Hao-Ming Wang, Jia-Qi Xiao, Jin Hong
PURPOSE: To histologically evaluate the efficacy of sodium hypochlorite (NaClO) in combination with Er:YAG (erbium-doped yttrium aluminium garnet) laser in dissolving necrotic tissue and cleaning root canals as well as canal isthmuses. METHODS: After scanned by cone-beam CT (CBCT), 50 well-prepared premolars with root canal isthmuses were selected and randomly assigned into 5 groups. They were subsequently subjected to different regimens as followed: group A-irrigated with 1% NaClO for 1 minute, group B- irradiated by Er:YAG laser at 0...
October 2016: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28112852/investigation-of-the-er-yag-laser-and-diamond-bur-cavity-preparation-on-the-marginal-microleakage-of-class-v-cavities-restored-with-different-flowable-composites
#10
Elif Bahar Tuna, Emre Ozel, Yelda Kasimoglu, Erhan Firatli
The purpose of this study was to evaluate the efficiency of the Er:YAG laser and diamond bur cavity preparation on the marginal microleakage of Class V cavities. Group 1: bur preparation (bp) + Vertise Flow (VF); Group 2: laser preparation (lp) + VF; Group 3: bp + Adper Easy One (AEO) + Filtek Ultimate Flowable Composite (FUFC); Group 4: lp + AEO + FUFC; Group 5: bp + Clearfil S3 Bond (CSB) + Clearfil Majesty Flow (CMF); Group 6: lp + CSB + CMF. Data were analyzed by Kruskal-Wallis and Mann-Whitney U tests (p < ...
January 23, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28101947/combined-surgical-therapy-of-advanced-peri-implantitis-evaluating-two-methods-of-surface-decontamination-a-7-year-follow-up-observation
#11
Frank Schwarz, Gordon John, Andrea Schmucker, Narja Sahm, Jürgen Becker
OBJECTIVES: To assess the long-term outcomes (>4 years) following combined surgical resective/regenerative therapy of advanced peri-implantitis lesions using two surface decontamination methods. MATERIAL & METHODS: Fifteen patients (n = 15 combined supra- and intrabony defects) completed a follow-up observation period of 7 years. The treatment procedure included access flap surgery, granulation tissue removal and implantoplasty at buccally and supracrestally exposed implant parts, and a randomly assigned decontamination of the unmodified intrabony implant surface areas using either (i) an Er:YAG laser (ERL) or (ii) plastic curettes + cotton pellets + sterile saline (CPS)...
November 7, 2016: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28090034/evaluation-of-sub-surface-penetration-and-bonding-durability-of-self-etching-primer-systems-to-er-yag-laser-treated-cervical-dentin
#12
Zhengdi He, Lingling Chen, Yasushi Shimada, Junji Tagami, Shuangchen Ruan
This study aimed to investigate self-etching bonding systems penetrating in sub-surface dentin layer after Er:YAG laser irradiation and micro-shear bonding durability over a period of 1 year. Dentin slices obtained from extracted human third molars were prepared. Two self-etching adhesive systems were evaluated: Clearfil SE Bond and Clearfil Tri-S Bond. Specimens were tested for micro-shear bond strength with one of the following treatments: Er:YAG laser irradiation and 600-grit silicon paper polishing at 24 h, 7 days, 6 months and 1 year...
January 13, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28076457/removal-of-calcium-hydroxide-from-weine-type-ii-systems-using-photon-induced-photoacoustic-streaming-passive-ultrasonic-and-needle-irrigation-a-microcomputed-tomography-study
#13
Adam Lloyd, Geraldine Navarrete, Melissa Andreia Marchesan, David Clement
Objective: This study compared the effectiveness of Er:YAG laser-activated irrigation (PIPS), passive ultrasonic irrigation (PUI) with EndoUltra and standard needle irrigation (SNI) in the removal of calcium hydroxide [Ca(OH)2] from the mesial roots of Weine Type II mandibular molars. Material and Methods: Thirty mandibular molars were screened by µCT for the presence of mesial roots with complex intra-canal anatomy and a common apical foramen. The teeth were enlarged to a standardized 25/...
November 2016: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28068190/er-yag-laser-irradiation-induces-behavioral-changes-in-v-harveyi
#14
Idan Redenski, Sharonit Sahar-Helft, Adam Stabholz, Doron Steinberg
OBJECTIVES: Laser technologies have many different applications in medical, agricultural, and industrial fields. Studies have shown several effects of laser energy on different bacterial species, in a wide variety of settings. Recent reports have found that one of the unique features of bacteria is their ability to communicate among themselves (quorum sensing). We sought to investigate whether low-energy laser irradiation affects bacterial behavior, which is regulated by quorum sensing...
January 9, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28068189/intrapulpal-temperature-increase-during-er-yag-laser-aided-debonding-of-ceramic-brackets
#15
Hilal Yilanci, Zeynep Beyza Yildirim, Sabri Ilhan Ramoglu
OBJECTIVE: The purpose of this study was to evaluate the temperature changes in the pulp chamber while using a newly introduced application of Er:YAG laser to debond ceramic brackets in a study model with a pulpal circulation with and without thermocycled samples. BACKGROUND DATA: An esthetic alternative to stainless steel brackets, ceramic brackets have been proposed. However, because of their low fracture resistance and high bond strengths, ceramic brackets can cause a problem when they are being removed using conventional techniques...
January 9, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28061356/clinical-differences-in-autofluorescence-between-viable-and-nonvital-bone-a-case-report-with-histopathologic-evaluation-performed-on-medication-related-osteonecrosis-of-the-jaws
#16
Ilaria Giovannacci, Marco Meleti, Domenico Corradi, Paolo Vescovi
Medication-related osteonecrosis of the jaws (MRONJ) is an adverse side effect of several drug therapies, including bisphosphonates (BPs). Osteonecrosis of the jaw specifically related to BP therapy is usually referred to using the acronym BRONJ. However, no consensus has yet been reached regarding the most appropriate management of BRONJ. The greatest success rates have been recorded with surgical removal of necrotic bone. In particular, erbium:yttrium-aluminum-garnet (Er:YAG) laser-assisted surgery has shown significantly better results than conventional surgical approaches...
December 15, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28054260/effect-of-er-yag-laser-on-dentin-demineralization-around-restorations
#17
Michelle Alexandra Chinelatti, Cristiane Tomaz Rocha, Vivian Colucci, Mônica Campos Serra, Antonio Luiz Rodrigues-Júnior, Silmara Aparecida Milori Corona
The aim of this study was to evaluate the effect of cavity preparation with Er:YAG laser on dentin adjacent to restorations submitted to cariogenic challenge in situ, by subsuperficial microhardness analysis. Bovine incisors were sectioned, flattened, and polished, resulting in 40 dentin slabs. The slabs were randomly assigned to four groups (n = 10), according to the cavity preparation method: I-high-speed handpiece (control); II-Er:YAG laser (160 mJ; 3 Hz); III-Er:YAG laser (260 mJ; 3 Hz); IV-Er:YAG laser (300 mJ; 3Hz)...
February 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28028971/assessment-of-pain-when-uncovering-implants-with-er-yag-laser-or-scalpel-for-second-stage-surgery
#18
Jacek Matys, Marzena Dominiak
BACKGROUND: Different methods aimed at decreasing pain during some soft tissue procedures in dentistry are still under research. Modern devices as lasers could be a method to reduce the pain and duration of second stage implant surgery. OBJECTIVES: To assess the pain and the impression quality when uncovering implants with a laser and with a scalpel. MATERIAL AND METHODS: The analysis included 60 implants (Dentium SuperLine, Suwon, Korea) in 30 patients (23 women and 7 men) aged 25-69...
November 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28025444/histological-evaluation-of-three-techniques-for-caries-removal
#19
Etienne Medioni, Jean-Paul Rocca, Carlo Fornaini, Elisabetta Merigo
A number of concepts and devices have been proposed for caries removal. Among these, the Er:YAG laser is a potential alternative to conventional mechanical treatment. This study compared the effectiveness of the Er:YAG laser with that of low-speed rotary instruments for removal of carious tissue in 26 extracted human molars and premolars with severe decay (i.e., large occlusal or proximal decay but no pulpal contact). The teeth were divided into three groups of eight teeth, and two teeth were used as controls...
2016: Journal of Oral Science
https://www.readbyqxmd.com/read/28009690/fractional-erbium-doped-yttrium-aluminum-garnet-laser-versus-microneedling-in-treatment-of-atrophic-acne-scars-a-randomized-split-face-clinical-study
#20
Mai Abdel Raouf Osman, Hisham Ali Shokeir, Marwa M Fawzy
BACKGROUND: Ablative fractional erbium-doped yttrium aluminum garnet (Er:YAG) laser and microneedling have been popularized in recent years and their effectiveness and side effects individually reported. No previous study, however, has directly compared the efficacy and safety between the 2 different treatments. OBJECTIVE: To compare the efficacy and safety of the ablative fractional Er:YAG laser and microneedling for the treatment of atrophic acne scars. MATERIALS AND METHODS: Thirty patients with atrophic acne scars were randomly treated in a split-face manner with a fractional Er:YAG laser on one side and microneedling on the other side...
January 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
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