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Photomedicine and Laser Surgery

Ahmed Mohamed Elsodany, Mohamed Salaheldien Mohamed Alayat, Mohamed Mohamed Ebrahim Ali, Hussien Mosa Khaprani
OBJECTIVE: The purpose of the present study was to investigate the long-term effect of pulsed Nd:YAG laser on the treatment of rotator cuff tendinopathy. METHODS: Sixty patients with rotator cuff tendinopathy participated and completed the study. The mean age was 50.2 ± 3.6 years. Participants were randomly assigned to one of two groups: the control group and the treatment group. Both groups were treated with an exercise program, in addition to the pulsed Nd:YAG laser received by the treatment group and the "sham" laser received by the control group, both for three sessions per week for 4 weeks...
September 2018: Photomedicine and Laser Surgery
Esra Ergin, Fatma Dilsad Oz, Sevil Gurgan
OBJECTIVE: The aim of this study was to evaluate the influence of cavity preparation with different Er,Cr:YSGG laser handpieces on microleakage of different posterior composite restorations. METHODS: Fifty-four extracted intact human premolars were randomly assigned to three groups according to cavity preparation method: Bur Group: high-speed diamond bur (Diatech), MD Group: Er,Cr:YSGG laser Waterlase MD handpiece (Biolase Millennium II), and Turbo Group: Er,Cr:YSGG laser Waterlase MD TURBO handpiece (Biolase Millennium II)...
September 2018: Photomedicine and Laser Surgery
Rodrigo Alvaro B Lopes-Martins, Rodrigo Labat Marcos, Ernesto Cesar Pinto Leal-Junior, Jan Magnus Bjordal
No abstract text is available yet for this article.
September 2018: Photomedicine and Laser Surgery
Luciano Ramos, Rodrigo Labat Marcos, Romildo Torres-Silva, Rodney Capp Pallota, Tatiana Magacho, Fernando Francisco Pazello Mafra, Michel Monteiro Macedo, Rodrigo Leal de Paiva Carvalho, Jan Magnus Bjordal, Rodrigo Alvaro B Lopes-Martins
BACKGROUND: Unusual and exhaustive physical exercise can lead to muscle lesions depending on the type of contraction, intensity, duration, age, and level of conditioning. Different therapies have been proposed to prevent or reduce exercise-induced muscle damage. OBJECTIVE: In this study, we investigate the effects of low-level laser therapy on skeletal muscle strain in an experimental model in rats. MATERIALS AND METHODS: Male Wistar rats (200 g) were used...
September 2018: Photomedicine and Laser Surgery
Hicran Dönmez Özkan, Kubilay Metin, Zehra Burcu Bakir, Senem Yiğit Özer
OBJECTIVE: This study aimed to compare the debris removal efficacies of irrigation activation techniques using ex vivo biomolecular film. MATERIALS AND METHODS: Root canals of 50 human mandibular premolars were prepared, and freshly prepared collagen solutions were applied into the root canals using a peristaltic pump. Specimens were randomly divided into the five groups and irrigated with 3 mL of 5.25% sodium hypochlorite (NaOCl): G1 (needle irrigation and control group): a 27-gauge notched-tip irrigation needle (Endo-Eze; Ultradent, South Jordan, UT); G2, Vibringe sonic irrigation system (VSS) (Vibringe B...
September 2018: Photomedicine and Laser Surgery
Masako Shimizu, Takashi Matsuzuka, Fumiaki Matsumi, Hiroshi Ogawa, Shigeyuki Murono
OBJECTIVE: To develop a treatment for tinnitus called xenon phototherapy of the stellate ganglion (XPSG) and analyze its effect on tinnitus. METHODS: Patients with chronic tinnitus received XPSG. Symptoms were assessed subjectively with tinnitus handicap inventory (THI) and numerical rating scale (NRS). THI and NRS scores were analyzed in XPSG (n = 43) and sham treatment (non-XPSG) (n = 18) groups. RESULTS: THI and NRS scores improved significantly after 3 months of XPSG...
September 2018: Photomedicine and Laser Surgery
Bayan Rashed, Yoshiko Iino, Kei Komatsu, Miki Nishijo, Takahiro Hanada, Arata Ebihara, Mitsuhiro Sunakawa, Yasunori Sumi, Takashi Okiji
OBJECTIVE: This study aimed to evaluate the ability of swept-source optical coherence tomography (OCT) to detect internal anatomy of maxillary premolars in comparison with dental operating microscope (DOM) and cone beam computed tomography (CBCT). BACKGROUND DATA: The ability of OCT to observe the pulp horn during cavity preparation and assess the remaining dentin thickness (RDT) has been demonstrated, whereas validation of OCT in comparison with other imaging techniques seems required...
September 2018: Photomedicine and Laser Surgery
Emre Korkut, Emrah Torlak, Onur Gezgin, Hazal Özer, Yağmur Şener
OBJECTIVE: The objective of this study was to compare antibacterial and smear layer removal efficacy of the erbium:yttrium-aluminium-garnet (Er:YAG) laser irradiation by photon-induced photoacoustic streaming (PIPS), neodymium:yttrium-aluminium-garnet (Nd:YAG), and diode lasers and conventional irrigation agent in primary molar root canals. BACKGROUND: The selection, application, and activation of the irrigant are important factors affecting the success of the endodontic treatment...
September 2018: Photomedicine and Laser Surgery
Xiaoli Wang, Xiaogang Cheng, Xin Liu, Zhihua Wang, Juan Wang, Cuihong Guo, Yaqing Zhang, Wenxi He
OBJECTIVE: The aim of this study was to compare the bactericidal effect of various laser irradiation systems on Enterococcus faecalis biofilms in dentinal tubules by using a novel dentin infection model and confocal laser scanning microscopy (CLSM). BACKGROUND DATA: Laser-activated irrigations have been proposed as an adjuvant to conventional protocols of root canal treatment to enhance the smear layer removal, which is a promising protocol for root canal disinfection...
September 2018: Photomedicine and Laser Surgery
Brendan J Quirk, Albert W Girotti, Harry T Whelan
No abstract text is available yet for this article.
August 2018: Photomedicine and Laser Surgery
Michael R Hamblin
No abstract text is available yet for this article.
August 2018: Photomedicine and Laser Surgery
Roberta Kelly de Faria Souza, Isabel Chaves Silva Carvalho, Carolina Genúncio da Cunha Menezes Costa, Newton Soares da Silva, Cristina Pacheco-Soares
BACKGROUND: Cell membranes have been identified as an important intracellular cancer treatment target, since the glycoconjugates present on the cell surface are involved in numerous cell functions. Photodynamic therapy (PDT) is a therapeutic modality employed in the treatment of tumors that uses visible light to activate a photosensitizer. OBJECTIVE: This study analyzed the expression of surface carbohydrates after PDT with two different photosensitizers, 5-aminolevulinic acid (ALA) and Photosan-3...
August 2018: Photomedicine and Laser Surgery
Ersan Çelik, Sezgi Cinel Sahin, Doğu Ömür Dede
OBJECTIVE: The purpose of this study was to evaluate the effects of different surface treatments on the shear bond strength (SBS) of a composite resin to the various resin matrix ceramics (RMC). BACKGROUND: Clinical applications of physical and chemical surface conditioning methods may be required for RMC to optimize the adhesion of additional resin materials. MATERIALS AND METHODS: Ninety-nine RMC specimens (6 × 6 × 2 mm) were prepared from a resin nanoceramic (RNC), a polymer-infiltrated hybrid ceramic (PIHC), and a flexible hybrid ceramic (FHC) block with a cutting machine under copious water...
August 2018: Photomedicine and Laser Surgery
Shamekh Mohamed El-Shamy, Mohamed Salaheldien Mohamed Alayat, Abdelgalil Allam Abdelgalil, Mansour Abdullah Alshehri
OBJECTIVE: The aim of this study was to evaluate the long-term impact of a pulsed neodymium-doped yttrium aluminum garnet (Nd:YAG) laser [high-intensity laser therapy (HILT)] in the treatment of juvenile rheumatoid arthritis (JRA). MATERIALS AND METHODS: A sample of 30 children participated in this study (15 in the laser group and 15 in the placebo group), with a mean age of 10.53 ± 1.25 years. Children who were randomly assigned to the laser group received HILT thrice per week for 4 weeks, plus the exercise program...
August 2018: Photomedicine and Laser Surgery
Mohammad Bagheri, Abdollah Amini, Mohammad-Amin Abdollahifar, Seyed Kamran Ghoreishi, Abbas Piryaei, Ramin Pouriran, Sufan Chien, Sara Dadras, Fatemehalsadat Rezaei, Mohammad Bayat
BACKGROUND: A lack of effective treatments still exists for patients suffering from diabetes mellitus. Photobiomodulation is proved as a beneficial therapeutic modality for wounds. OBJECTIVE: The aim of this study is to examine the effect of degranulation of mast cells and total number of mast cells in the remodeling step of an ischemic model of wound healing under the influence of photobiomodulation and conditioned medium (CM) from human bone marrow-derived mesenchymal stem cells (hBM-MSCs-CM), or CM, administered alone and or in combination...
August 2018: Photomedicine and Laser Surgery
Ataroalsadat Mostafavinia, Reza Masteri Farahani, Mohammad-Amin Abdollahifar, Mahdi Ghatrehsamani, Seyed Kamran Ghoreishi, Behnam Hajihossainlou, Sufan Chien, Sara Dadras, Fatemehalsadat Rezaei, Mohammad Bayat
OBJECTIVE: We examined the effects of photobiomodulation (PBM) on stereological parameters, and gene expression of Runt-related transcription factor 2 (RUNX2), osteocalcin, and receptor activator of nuclear factor kappa-B ligand (RANKL) in repairing tissue of tibial bone defect in streptozotocin (STZ)-induced type 1 diabetes mellitus (TIDM) in rats during catabolic response of fracture healing. BACKGROUND DATA: There were conflicting results regarding the efficacy of PBM on bone healing process in healthy and diabetic animals...
August 2018: Photomedicine and Laser Surgery
Steffen Stein, Michael Schauseil, Andreas Hellak, Heike Korbmacher-Steiner, Andreas Braun
OBJECTIVE: The objective of this split-mouth trial was to investigate the influence of photobiomodulation therapy (PBMT) on adjuvant treatment of gingivitis induced by multi-bracket appliances, after bracket debonding and professional tooth cleaning. MATERIALS AND METHODS: Thirteen patients (mean age 16.15 years; standard deviation ±2.12 years) who had completed active orthodontic treatment with fixed orthodontic appliances in an orthodontic clinic were included on a randomized basis...
August 2018: Photomedicine and Laser Surgery
Claudia Strefezza, Marcello Magri Amaral, José Quinto, Sheila Cynthia Gouw-Soares, Claudia Bianchi Zamataro, Denise Maria Zezell
OBJECTIVE AND BACKGROUND: The correct selections of the cementing agent, the endodontic post material and placement protocol are critical to provide an increased longevity of the teeth that went through endodontic treatment. The irradiation with diode laser before post cementation, can promote an antimicrobial effect. However, there is a lack of information about the effect of 830 nm diode laser on the post bond strength. This study analyzed the effect of dentin root canal irradiation with high-intensity diode laser, at 830 nm, operating in continuous or pulsed mode, on the retention of metal or fiber posts, cemented with self-etching resinous composite (Panavia F) and zinc phosphate cement (ZnPO4 )...
August 2018: Photomedicine and Laser Surgery
Fahad Alkhudhairy, Abdulaziz AlKheraif, Mohammed Bin-Shuwaish, Sulieman Al-Johany, Mustafa Naseem, Fahim Vohra
BACKGROUND: The available evidence of Er,Cr:YSGG lasers on bleached enamel is limited and controversial. It is assumed that Er,Cr:YSGG laser will be effective in reversing the effect of bleaching on adhesive bond integrity of enamel to resin composite. OBJECTIVE: The study aimed to evaluate the efficacy of Er,Cr:YSGG laser on bond strength and microleakage of bleached enamel. MATERIALS AND METHODS: From the 80 samples, 60 samples were bleached (40% hydrogen peroxide) and divided into three subgroups...
August 2018: Photomedicine and Laser Surgery
Christian Giancarlo Bernal Rodriguez, Luciane Franco Kraul, Thales Wilson Cardoso, Carlos de Paula Eduardo, Ana Cecília Corrêa Aranha, Patrícia Moreira de Freitas
BACKGROUND: Several photobiomodulation (PBM) protocols with low-power lasers have been reported for pain control and tissue repair in the postoperative period of oral surgeries. However, there are still no reports of a protocol for bichectomy surgeries' postoperative period. OBJECTIVE: This article presents six reports of clinical cases in which bichectomy surgery was performed. METHODS: In the postoperative period, three patients were submitted to PBM with low-power lasers, while three patients did not receive it...
July 2018: Photomedicine and Laser Surgery
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