Introduction: The primary goal of periodontal therapy is to arrest the inflammatory disease process which is done by non-surgical and surgical therapies in order to reduce the microorganisms. The outcome of periodontal therapy may not reveal the desired results owing to inaccessible areas for instrumentation, pathogenicity, resistance of the microorganisms, or even due to compromised host response to the treatment. Thus, adjunctive laser therapy has been proposed as a novel treatment modality in the treatment of periodontal disease. Aim: The aim of this study was to clinically evaluate the effect of a 980 nm diode laser (DEN10B; Wuhan Gigaa Optronics Technology Co., Ltd., Wuhan, China) therapy as an adjunct to scaling and root planing in patients with chronic periodontitis and type II diabetes.
Methods: Twenty patients were divided into two groups in a split-mouth study design. Group I (Control) comprised mechanical debridement alone and Group II (test) comprised mechanical debridement followed by adjunctive laser therapy. The clinical parameters were recorded at baseline, six weeks, and three months, and the results were analyzed.
Results: There was a significant improvement in gingival and plaque index in the test group. Though there was no significant improvement in probing pocket depth and clinical attachment, the results in the test group were superior relative to the control group.
Conclusion: Non-surgical periodontal therapy with adjunctive use of diode laser is effective in the management of generalized chronic periodontitis in patients with type II diabetes which led to a significant reduction in plaque score, gingival index score, probing pocket depth, and gain in clinical attachment level.
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http://dx.doi.org/10.7759/cureus.54178 | DOI Listing |
BMC Ophthalmol
January 2025
College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia.
Background: Primary acquired nasolacrimal duct obstruction (PANDO) is a condition in which tear ducts are blocked, leading to epiphora and dacryocystitis. This systematic review and meta-analysis aimed to measure the ability of transcanalicular dacryocystorhinostomy (TC-DCR) as an alternative approach to PANDO compared to traditional external dacryocystorhinostomy (EX-DCR).
Methods: Our search included Embase, Medline, and the Cochrane Central Register of Controlled Trials (CENTRAL).
Photoacoustics
February 2025
Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA.
Recent advances in Light Emitting Diode (LED) technology have enabled a more affordable high frame rate photoacoustic imaging (PA) alternative to traditional laser-based PA systems that are costly and have slow pulse repetition rate. However, a major disadvantage with LEDs is the low energy outputs that do not produce high signal-to-noise ratio (SNR) PA images. There have been recent advancements in integrating deep learning methodologies aimed to address the challenge of improving SNR in LED-PA images, yet comprehensive evaluations across varied datasets and architectures are lacking.
View Article and Find Full Text PDFObjective: We sought to compare the safety and efficacy of combining fractional 2940-nm Erbium:YAG (Er:YAG) laser with autologous platelet-rich plasma (PRP) versus its combination with low-level laser therapy (LLLT) for enhancing the outcome of postsurgical and post-traumatic scars.
Methods: Fourty-five individuals with post-surgical or post-traumatic scars were randomly divided into three groups: Group A received four fractional Er:YAG laser sessions spaced four weeks apart along with eight sessions of intradermal PRP injections spaced two weeks apart; Group B received four fractional Er:YAG laser sessions spaced four weeks apart along with two sessions of light emitting diode (LED) weekly; and Group C received four fractional Er:YAG laser sessions spaced four weeks apart. Treatment efficacy was evaluated using clinical photographs, Vancouver Scar Scale (VSS), patient satisfaction and histopathology.
Spectrochim Acta A Mol Biomol Spectrosc
December 2024
Anhembi Morumbi University (UAM), Rodovia Dr Altino Bondensan 500, São José dos Campos 12247-016, SP, Brazil; Center of Innovation, Technology and Education (CITE), Rodovia Dr Altino Bondensan 500, São José dos Campos 12247-016, SP, Brazil. Electronic address:
The inherent potential for self-assembly is a well-known attribute of organic dye molecules. This work takes advantage of the changes in dye photochemical and photophysical properties produced by the aggregation phenomenon, to investigate the behavior of all-optical modulation in molecular aggregates. The theoretical principles for a dual beam all-optical modulation, as well as the conception of an optical logic gate by exploring the aggregation phenomenon are discussed throughout the article.
View Article and Find Full Text PDFEur J Dent
December 2024
Department of Preventive and Restorative Dentistry, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates.
Objective: This study compares the color change of non-vital anterior teeth after laser-activated bleaching and conventional walking bleaching technique.
Materials And Methods: Sixty extracted teeth were endodontically treated, stained in a black tea solution, and the baseline shade was measured using a spectrophotometer (Easyshade, VITA). Bleaching was done using either: internal bleaching with 35% HO (Opalescence Endo) and then tooth sealed for 5 days (Gr1), 35% HO (JW Next) for 7 minutes (Gr2), internal and external bleaching for 7 minutes (Gr3), diode laser-activated internal bleaching for 30 seconds (940 nm, continuous wave, 2 W, noncontact mode, 300 um, non-initiated tip), wait for 7 minutes, second laser application for 30 seconds, tooth sealed for 5 days (Gr4), diode laser-activated internal bleaching for 24 hours (Gr5), or diode laser-activated internal and external bleaching for 24 hours (Gr6) ( = 10).
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