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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...
July 17, 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...
July 6, 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
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. Thus, this article presents six reports of clinical cases in which bichectomy surgery was performed. In the postoperative period, three patients were submitted to PBM with low-power lasers, while three patients did not receive it. Facial edema was evaluated using a millimeter tape...
June 19, 2018: Photomedicine and Laser Surgery
Georgios E Romanos, Danielle Sacks, Nicholas Montanaro, Rafael Delgado-Ruiz, Jose Luis Calvo-Guirado, Fawad Javed
OBJECTIVE: The aim was to determine the effect of various initiators on the thermal changes that occur during incisions performed in soft tissues using a diode laser. BACKGROUND DATA: There are no studies that have assessed the effect of various initiators on the thermal changes that occur during incisions performed in soft tissues using a diode laser. MATERIALS AND METHODS: Thermal changes were observed during standardized incisions in chicken breast (without skin) via thermoelements over a 10-sec irradiation period...
June 15, 2018: Photomedicine and Laser Surgery
Kinga Grzech-Leśniak, Jacek Matys, Dorota Żmuda-Stawowiak, Krzysztof Mroczka, Marzena Dominiak, Aldo Brugnera Junior, Reinhard Gruber, Georgios E Romanos, Anton Sculean
OBJECTIVE: To evaluate the effects of bracket removal using an erbium laser on the pulp temperature and enamel surface. BACKGROUND: Removal of orthodontic brackets with conventional debonding pliers may result in enamel cracks. To avoid damage to the enamel surface and effectively remove metal or ceramic brackets, different types of lasers, such as Nd:YAG, CO2 , TM:YAP, diode laser, or Er:YAG, have been introduced for debonding. MATERIALS AND METHODS: A total of 55 brackets (n = 55; 20 metal and 35 ceramic ones) were bonded to 55 caries-free premolars extracted for orthodontic indications...
June 15, 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...
June 15, 2018: Photomedicine and Laser Surgery
Heidi Abrahamse
No abstract text is available yet for this article.
June 13, 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...
May 31, 2018: Photomedicine and Laser Surgery
Alaa Turkistani, Maha Almutairi, Nouf Banakhar, Reem Rubehan, Sulafa Mugharbil, Ahmed Jamleh, Adnan Nasir, Turki Bakhsh
OBJECTIVE: In this in vitro study, cross-polarization optical coherence tomography (CP-OCT) was used to evaluate microleakage in dental composite restorations bonded to enamel with two types of one-step self-etching (SE) adhesives. BACKGROUND DATA: One-step SE adhesives were proposed to simplify bonding of composite restorations. However, bonding of these simplified adhesive to dental enamel is still questionable. OCT is a promising diagnostic tool that allows micron-scale imaging of biological tissues and structures...
May 29, 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...
May 18, 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 )...
May 16, 2018: Photomedicine and Laser Surgery
Camila Haddad Leal de Godoy, Lara Jansiski Motta, Washington Steagall Júnior, Marcela Leticia Leal Gonçalves, Daniela Fátima Teixeira da Silva, Raquel Agnelli Mesquita-Ferrari, Aldo Brugnera Júnior, Sandra Kalil Bussadori
OBJECTIVE: This is a randomized, sham-controlled, blind clinical trial that aimed to evaluate the effect of phototherapy on bite force, mandibular range of motion, sensitivity to palpation, and fatigue in the masseter and anterior temporal muscles of young patients when administered before the induction of fatigue. MATERIALS AND METHODS: Fifty-two healthy volunteers aged 18-23 years were randomly allocated to a laser group and sham group. Both groups were submitted to a clinical evaluation to record mandibular range of motion, bite force, muscle sensitivity to palpation, and muscle fatigue...
May 16, 2018: Photomedicine and Laser Surgery
Meihua Lu, Xiaolong Liu
OBJECTIVE: To evaluate the safety and efficacy of GreenLight laser vaporization and thulium laser enucleation for nonmuscle invasive bladder cancer (NMIBC). PATIENTS AND METHODS: A total of 150 patients of NMIBC who underwent either GreenLight laser vaporization (Group A, n = 78) or thulium laser enucleation (Group B, n = 72) were analyzed, respectively. The preoperative, intraoperative, and postoperative clinical data were recorded and compared in the two groups...
May 2, 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...
May 2, 2018: Photomedicine and Laser Surgery
Justyna Wyszyńska, Monika Bal-Bocheńska
OBJECTIVE: The aim of this study was to evaluate the efficacy of high-intensity laser therapy (HILT) in the treatment of knee osteoarthritis (OA). BACKGROUND: Due to increased number of randomized controlled trials evaluating efficiency of HILT in patients with knee OA, there was a need to present them in the form of systematic review. METHODS: The search includes the databases as well as a manual search until August, 2017. The quality of the selected articles was determined in accordance with the revised guidelines of the CONSORT statement...
April 24, 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...
April 23, 2018: Photomedicine and Laser Surgery
Joelita de Alencar Fonseca Santos, Mariana Barbosa Dias Campelo, Rauirys Alencar de Oliveira, Renata Amadei Nicolau, Verônica Elis Araújo Rezende, Emilia Ângela Loschiavo Arisawa
OBJECTIVE: To analyze the efficacy of the therapeutic use of Low-Level Laser Therapy (LLLT) on the tissue repair process of chronic wounds in patients with diabetic feet through the analysis of Pressure Ulcer Scale for Healing (PUSH) scales, pain and the measurement done using the ImageJ© software. METHODS: This clinical trial was carried out with 18 patients 30-59 years of age, who had chronic wounds on their foot due to complications of diabetes mellitus. The patients were randomly allocated in two different groups of equal numbers: Control and Laser Groups...
June 2018: Photomedicine and Laser Surgery
Jian-Xun Ma, Qing-Mo Yang, You-Chen Xia, Wei-Guang Zhang, Fang-Fei Nie
OBJECTIVE: To investigate the effect of 810 nm near-infrared (NIR) laser on the revascularization of ischemic flaps. BACKGROUND: It has long been proved that photobiomodulation therapy (PBMT) improves the blood supply of flaps. NIR laser improves the treatment of hypodermis-located lesions and of flap survival, but basic research on the use of 810 nm NIR laser for ischemic flap revascularization is still lacking. MATERIALS AND METHODS: We prepared two symmetrical long random-pattern flaps on the backs of 60 rats...
June 2018: Photomedicine and Laser Surgery
Hidetaka Miyazaki, Takafumi Ohshiro, Umberto Romeo, Tadahide Noguchi, Yutaka Maruoka, Gianfranco Gaimari, Georgi Tomov, Yoshitaka Wada, Kae Tanaka, Toshio Ohshiro, Shinichi Asamura
OBJECTIVE: This study aimed to retrospectively evaluate the efficacy and safety of laser treatment of oral vascular lesions using the multiple spot irradiation technique with a single-pulsed wave. BACKGROUND DATA: In laser therapy for vascular lesions, heat accumulation induced by excessive irradiation can cause adverse events postoperatively, including ulcer formation, resultant scarring, and severe pain. To prevent heat accumulation and side effects, we have applied a multiple pulsed spot irradiation technique, the so-called "leopard technique" (LT) to oral vascular lesions...
June 2018: Photomedicine and Laser Surgery
Bei Rong, Yun Tang, Ping Tu, Ruixing Liu, Jing Qiao, Wenjing Song, Rolando Toyos, Xiaoming Yan
OBJECTIVE: To determine the efficacy and safety of intense pulsed light (IPL) applied directly on the eyelids and meibomian gland expression (MGX) in treating meibomian gland dysfunction (MGD). BACKGROUND: IPL application on the periocular skin effectively improves meibomian gland secretion and tear film break-up time (TBUT) in patients with MGD/dry eye. METHODS: This prospective, randomized, double-masked, controlled study involved 44 patients...
June 2018: Photomedicine and Laser Surgery
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