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Journal of Lasers in Medical Sciences

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https://www.readbyqxmd.com/read/27330710/case-report-of-photodynamic-therapy-in-the-treatment-of-dental-caries-on-primary-teeth
#1
Ana Carolina Costa da Mota, Cinthia Raquel Lima Leal, Silvia Olivan, Marcela Leticia Leal Gonçalves, Vanessa Adriana de Oliveira, Marcelo Mendes Pinto, Sandra Kalil Bussadori
INTRODUCTION: The partial removal of dental caries aiming to maintain the integrity of the pulp has been considered the therapy of choice in the treatment of deep carious lesions, as long as certain principles of diagnosis are respected. Dentists are always looking for techniques to remove the decayed tissue with biosafety, what provides more comfort to the patient especially when it comes to children. Photodynamic therapy (PDT) is an antimicrobial treatment. PapacárieMblue is a modification of the regular Papacárie, with a photosensitizer added to it...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330709/microbiological-efficacy-of-photodynamic-therapy-as-an-adjunct-to-non-surgical-periodontal-treatment-a-clinical-trial
#2
Mohammadreza Talebi, Rojin Taliee, Masoud Mojahedi, Mansour Meymandi, Maryam Torshabi
INTRODUCTION: The efficiency of routine scaling and root planning is negatively influenced by the tooth anatomy and residual bacteria all possibly affecting the treatment outcomes in future. The present study compared the microbiologic effectiveness of the photodynamic therapy (PDT) as an adjunctive treatment modality for nonsurgical treatment in chronic periodontitis. METHODS: In this randomized controlled clinical trial, 18 chronic periodontitis patients were selected...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330708/effects-of-3-hz-and-60-hz-extremely-low-frequency-electromagnetic-fields-on-anxiety-like-behaviors-memory-retention-of-passive-avoidance-and-electrophysiological-properties-of-male-rats
#3
Amin Rostami, Minoo Shahani, Mohammad Reza Zarrindast, Saeed Semnanian, Mohammad Rahmati Roudsari, Mostafa Rezaei Tavirani, Hadi Hasanzadeh
INTRODUCTION: The effects of electromagnetic fields on biological organisms have been a controversial and also interesting debate over the past few decades, despite the wide range of investigations, many aspects of extremely low frequency electromagnetic fields (ELF/EMFs) effects including mechanism of their interaction with live organisms and also their possible biological applications still remain ambiguous. In the present study, we investigated whether the exposures of ELF/EMF with frequencies of 3 Hz and 60 Hz can affect the memory, anxiety like behaviors, electrophysiological properties and brain's proteome in rats...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330707/effect-of-laser-therapy-on-chronic-osteoarthritis-of-the-knee-in-older-subjects
#4
Enas Fawzey Youssef, Qassim Ibrahim Muaidi, Alsayed Abdelhameed Shanb
INTRODUCTION: Osteoarthritis (OA) is a common degenerative joint disease particularly in older subjects. It is usually associated with pain, restricted range of motion, muscle weakness, difficulties in daily living activities and impaired quality of life. To determine the effects of adding two different intensities of low-level laser therapy (LLLT) to exercise training program on pain severity, joint stiffness, physical function, isometric muscle strength, range of motion of the knee, and quality of life in older subjects with knee OA...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330706/penetration-depth-of-sodium-hypochlorite-in-dentinal-tubules-after-conventional-irrigation-passive-ultrasonic-agitation-and-nd-yag-laser-activated-irrigation
#5
Abdollah Ghorbanzadeh, Mohsen Aminsobhani, Khosro Sohrabi, Nasim Chiniforush, Sarvenaz Ghafari, Ahmad Reza Shamshiri, Niusha Noroozi
INTRODUCTION: The penetration depth of irrigating solutions in dentinal tubules is limited; consequently, bacteria can remain inside dentinal tubules after the cleaning and shaping of the root canal system. Therefore, new irrigation systems are required to increase the penetration depth of irrigating solutions in dentinal tubules. METHODS: A comparative study regarding the penetration depth of sodium hypochlorite (NaOCl) solution in dentinal tubules using four methods, (1) conventional irrigation (CI), (2) smear layer removal plus conventional irrigation (gold standard), (3) passive ultrasonic agitation (PUA) and (4) Nd:YAG laser activated irrigation (LAI), took place on 144 extracted mandibular teeth with a single root canal...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330705/comparison-of-the-antibacterial-effect-of-810-nm-diode-laser-and-photodynamic-therapy-in-reducing-the-microbial-flora-of-root-canal-in-endodontic-retreatment-in-patients-with-periradicular-lesions
#6
Mohammad Asnaashari, Mostafa Godiny, Saranaz Azari-Marhabi, Fahimeh Sadat Tabatabaei, Maryam Barati
INTRODUCTION: The aim of this study was to compare the antibacterial efficacy of diode laser 810nm and photodynamic therapy (PDT) in reducing bacterial microflora in endodontic retreatment of teeth with periradicular lesion. METHODS: In this in vivo clinical trial, 20 patients who needed endodontic retreatment were selected. After conventional chemo mechanical preparation of root canals, microbiological samples were taken with sterile paper point (PP), held in thioglycollate broth, and then were transferred to the microbiological lab...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330704/high-power-laser-for-treatment-of-achilles-tendinosis-a-single-blind-randomized-placebo-controlled-clinical-study
#7
Anders Mårdh, Iréne Lund
INTRODUCTION: Pain in the Achilles tendon during loading is a very common condition. Conservative treatments, such as low level laser therapy (LLLT) have been reported to give varying results. Recently, a new laser treatment technique, high power laser treatment (HPLT) (Swiss DynaLaser®), was introduced in Scandinavia, but has not, to our knowledge, been systematically tested before. The objective of this study was to evaluate the effects of HPLT compared to placebo HPLT in rated pain and assessed pain threshold in patients with chronic Achilles tendinosis...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330703/structural-and-morphological-changes-in-human-dentin-after-ablative-and-subablative-er-yag-laser-irradiation
#8
Horieh Moosavi, Sajedeh Ghorbanzadeh, Farzaneh Ahrari
INTRODUCTION: This study investigated the influence of Erbium-Doped Yttrium Aluminum Garnet (Er:YAG) laser on microhardness, chemical composition and subsurface morphology of dentin cavity walls. METHODS: Forty sound human premolars were selected and randomly assigned into four groups. Class V cavities were prepared either with an Er:YAG laser (groups 1 and 2; 15 Hz, 250 mJ for enamel, 10 Hz, 200 mJ for dentin) or with a high speed handpiece (groups 3 and 4). The specimens in groups 1 and 3 served as the control, whereas those in groups 2 and 4 were exposed to subablative laser irradiation following cavity preparation (10 Hz, 50 mJ)...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330702/can-antimicrobial-photodynamic-therapy-apdt-enhance-the-endodontic-treatment
#9
REVIEW
Nasim Chiniforush, Maryam Pourhajibagher, Sima Shahabi, Emad Kosarieh, Abbas Bahador
In order to achieve a long-lasting effect, one of the main goals in root canal treatment is to eliminate the endodontic bacteria. Conventional chemomechanical debridement is considered as the basic treatment in root canal therapy, but adjunctive techniques such as antimicrobial photodynamic therapy (aPDT) can also be helpful. The aim of this study was to evaluate reports in the scientific literature that used different photosensitizers (PSs) for bacterial reduction. The literature search was conducted using databases including PubMed, Scopus, and Google Scholar with the keywords "photodynamic therapy," "antimicrobial photodynamic therapy," or "photoactivated disinfection" and "endodontic," "Enterococcus faecalis," or "root canal treatment," from 2000 to 2015...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330701/the-combination-of-laser-therapy-and-metal-nanoparticles-in-cancer-treatment-originated-from-epithelial-tissues-a-literature-review
#10
REVIEW
Reza Fekrazad, Nafiseh Naghdi, Hanieh Nokhbatolfoghahaei, Hossein Bagheri
Several methods have been employed for cancer treatment including surgery, chemotherapy and radiation therapy. Today, recent advances in medical science and development of new technologies, have led to the introduction of new methods such as hormone therapy, Photodynamic therapy (PDT), treatments using nanoparticles and eventually combinations of lasers and nanoparticles. The unique features of LASERs such as photo-thermal properties and the particular characteristics of nanoparticles, given their extremely small size, may provide an interesting combined therapeutic effect...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330700/management-of-a-recurrent-pyogenic-granuloma-of-the-hard-palate-with-diode-laser-a-case-report
#11
Güzin Neda Hasanoglu Erbasar, Burcu Senguven, Sibel Elif Gultekin, Sedat Cetiner
INTRODUCTION: Pyogenic granuloma (PG) is a prevalent inflammatory hyperplasia of skin and oral mucosa which is often caused by constant low-grade local irritation, traumatic injury or hormonal factors. In many cases, gingival irritation and inflammation due to poor oral hygiene are precipitating factors. Oral PG occurs predominantly on the gingiva, but it is also encountered on the lips, tongue, buccal mucosa and rarely on the hard palate. Although surgical excision is the first choice of treatment, many other treatment modalities could be counted such as cryosurgery, sodium tetradecyl sulfate sclerotherapy, intralesional steroids, flash lamp pulsed dye laser, neodymium-doped yttrium aluminium garnet (Nd:YAG) laser, carbon dioxide (CO2) laser, erbium-doped yttrium aluminum garnet (Er:YAG) lasers and diode laser have been suggested...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330699/influence-of-different-proportions-of-external-irrigation-during-the-er-cr-ysgg-laser-irradiation-on-wear-and-roughness-of-root-surface
#12
Guilherme José Pimentel Lopes de Oliveira, Felipe Eduardo Pinotti, Heglécia da Luz Carvalho, Cássio Rocha Scardueli, Rosemary Adriana Chiérici Marcantonio
INTRODUCTION: The aim of this study was to evaluate the influence of different levels of external irrigation during irradiation with an erbium, chromium: yttrium-scandium-gallium-garnet (Er,Cr:YSGG) laser on the roughness and wear of dental tissue during scaling procedures. METHODS: Twenty-Five uniradicular bovine teeth had the proximal surfaces planed and divided into 3 regions: upper, middle and lower. The upper region was treated with hand instruments, the middle region was not treated and served as a control, and the lower region was treated by the Er,Cr:YSGG laser...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330698/low-level-laser-therapy-versus-pharmacotherapy-in-improving-myofascial-pain-disorder-syndrome
#13
Hamid Reza Khalighi, Hamed Mortazavi, Seyed Masoud Mojahedi, Saranaz Azari-Marhabi, Faranak Moradi Abbasabadi
INTRODUCTION: Temporomandibular disorders (TMD) lead to masticatory muscle pain, jaw movement disability and limitation in mouth opening. Pain is the chief complaint in 90% of the TMD patients which leads to disability and severe socioeconomic costs. The purpose of this study was to evaluate the therapeutic effects of low level laser therapy (LLLT) compared to pharmacotherapy with NSAIDs (naproxen) in myofascial pain disorder syndrome (MPDS). METHODS: In this randomized controlled clinical trial, 40 MPDS patients were divided into two groups...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330697/effects-of-neodymium-doped-yttrium-aluminium-garnet-nd-yag-laser-irradiation-on-bone-metabolism-during-tooth-movement
#14
Yuji Tsuka, Tadashi Fujita, Maya Shirakura, Ryo Kunimatsu, Shao-Ching Su, Eri Fujii, Kotaro Tanimoto
INTRODUCTION: The aim of this study is to evaluate the effects of low-level neodymium-doped yttrium aluminium garnet (Nd:YAG) laser irradiation on orthodontic tooth movement and histological examination. METHODS: Eleven male Wistar rats (aged 10 weeks) were included. To produce experimental tooth movement in rats, 10 g force was applied to maxillary first molars with nickel titanium closed coil springs. Right molars were irradiated with Nd:YAG laser on days 0, 1, 2, 3, 7, 10, 14, 17, 21 and 24, while un-irradiated left molars were used as control...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330696/surface-treatment-by-different-parameters-of-erbium-yttrium-aluminum-garnet-er-yag-laser-scanning-electron-microscope-sem-evaluation
#15
Nasim Chiniforush, Hanieh Nokhbatolfoghahaei, Abbas Monzavi, Edris Pordel, Sajjad Ashnagar
INTRODUCTION: This study aimed to assess the Scanning Electron Microscope (SEM) analysis of tooth surface irradiated by erbium:yttrium-aluminum-garnet (Er:YAG) laser with various parameters. METHODS: Number of 25 extracted human third molars free of caries were used in this study. The teeth were put into 5 groups for laser irradiation as follows: group 1 (power: 0.5 W, Energy: 50 mJ); group 2 (power: 1 W, Energy: 100 mJ); group 3 (power: 1.5 W, Energy: 150 mJ); group 4 (power: 2 W, Energy: 200 mJ); group 5 (power: 2...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330695/photodynamic-therapy-a-non-invasive-treatment-modality-for-precancerous-lesions
#16
Kotya Naik Maloth, Nagalaxmi Velpula, Srikanth Kodangal, Mithare Sangmesh, Kiran Vellamchetla, Sridevi Ugrappa, Nagajyothi Meka
INTRODUCTION: Oral premalignant lesions are conditions having high potential tendency for transformation into malignancy. The use of a conservative and effective treatment modality is one of the best strategies for cancer prevention. Photodynamic therapy (PDT) is a non-invasive method for topical and selective treatment of oral precancerous lesions. The present study was taken up to determine the efficacy of PDT in oral precancerous lesions. METHODS: The study consisted 13 patients with 24 oral leukoplakia (OL) lesions and 8 with 20 oral lichen planus (OLP) lesions, divided into control and study groups...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330694/the-effect-of-one-session-low-level-laser-therapy-of-extracted-follicular-units-on-the-outcome-of-hair-transplantation
#17
Seyed Mehdi Tabaie, Hoda Berenji Ardestani, Mir Hadi Azizjalali
INTRODUCTION: Photobiostimulation with low level laser (LLL) has been used in medicine for a long time and its effects have been shown in many diseases. Some studies have evaluated the effect of LLL on androgenic alopecia. One of the most important limitations of the use of LLL in the treatment of alopecia is the requirement for multiple sessions, which is hardly accepted by patients. This study was conducted to evaluate the effect of the irradiation of extracted follicular hair units by LLL on the outcome of hair transplantation...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330693/an-in-vitro-comparison-of-antimicrobial-effects-of-curcumin-based-photodynamic-therapy-and-chlorhexidine-on-aggregatibacter-actinomycetemcomitans
#18
Shamsoulmolouk Najafi, Mina Khayamzadeh, Mojgan Paknejad, Golfam Poursepanj, Mohammad Javad Kharazi Fard, Abbas Bahador
INTRODUCTION: Considering the importance of prevention in periodontal diseases and the important role of Aggregatibacter actinomycetemcomitans in induction and progression of these diseases, the aim of the present in vitro study was to compare the antimicrobial effects of chlorhexidine digluconate (CHX), curcumin and light-emitting diode (LED) laser, on this bacterium. METHODS: Antimicrobial activity of curcumin (5 mg/ml), CHX (2%), LED (120 J/cm(2)) and LED + curcumin (120 J/cm(2) + 2...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330692/evaluation-of-the-effects-of-intravenous-and-percutaneous-low-level-laser-therapy-in-the-management-of-shoulder-myofascial-pain-syndrome
#19
Sirous Momenzadeh, Vahid Akhyani, Zahra Razaghi, Asghar Ebadifar, Mohammadzaki Abbasi
INTRODUCTION: Myofascial pain syndrome (MPS) treatment is challenging with a high recurrence rate and still lacks a clear treatment frame. Therefore research on new, more efficient and long lasting effect treatment modalities is necessary. This study looked at the effects of intravenous laser therapy (IVL) and percutaneous low level laser (PLLL) in the management of shoulder MPS. METHODS: In this randomized controlled trial, 30 patients fulfilling inclusion criteria were randomly equally allocated to 3 groups, control, IVL and PLLL...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27330691/outpatient-transurethral-cystolithotripsy-of-large-bladder-stones-by-holmium-laser
#20
Hosein Karami, Mohammad Reza Razaghi, Babak Javanmard, Mohammad Yaghoob, Amin Hasanzadeh Hadad, Maryam Amani, Amin Golmohammadi Taklimi
INTRODUCTION: To assessment of the efficacy and safety of transurethral cystolithotripsy of large bladder stones by holmium laser in the outpatient setting. METHODS: In a prospective study, 48 consecutive adult patients with large bladder stones, were enrolled for transurethral cystolithotripsy. Patients older than 18 years, with bladder stones larger than 2 cm were enrolled. Urethral stricture, active urinary infection, and any anesthetic contraindications for operation, were the exclusion criteria...
2016: Journal of Lasers in Medical Sciences
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