scholarly journals Assessment of the effectiveness of low level laser in the treatment of alveolar osteitis

2011 ◽  
Vol 68 (6) ◽  
pp. 506-510 ◽  
Author(s):  
Goran Jovanovic ◽  
Nikola Buric ◽  
Nebojsa Krunic ◽  
Milos Tijanic ◽  
Simona Stojanovic
Keyword(s):  
Wound Healing ◽  
Zinc Oxide ◽  
Healing Process ◽  
Control Group ◽  
Study Group ◽  
Low Level ◽  
Low Level Laser ◽  
Zinc Oxide Eugenol ◽  
Level Laser ◽  
Alveolar Osteitis

Background/Aim. Alveolar osteitis (AO) is the extraction wound healing disorder with a presence of severe pain. Low level laser therapy stimulates cell metabolism and microcirculation, have has pronounced analgesic, antiedematous and anti-inflammatory effect and speeds up wound healing process. The aim of this study was to present results of clinical research that examined the effectiveness of low level laser in pain relief and healing of extraction wounds with alveolar osteitis in the lower jaw which was formed on the second day after tooth extraction. Methods. The study was conducted on 60 subjects divided into the study and the control group. In both groups extraction wounds were processed in similar way, except that in the study group was applied daily treatment of low level laser with a total of eight sessions of radiation, while in the control group extraction wounds were dressed with zinc oxide eugenol paste, which was changed every 48 hours up to the pain cessation. Measurement of pain intensity was done with a visual analogue scale (VAS) 10 min prior to processing of extraction wounds and daily for the next eight days. Assessment of the effectiveness of low level laser on healing of extraction wounds was performed on the day eight of the treatment. Results. On the day five after beginning of the treatment of extraction wounds with alveolar osteitis in the patients of the study group a lower average value of pain as compared to the control group was registered. This difference was increased within the following days. Extraction wounds healing in the study group was more successful and faster than in the control group. Conclusion. This study suggested that the reduction of pain was more pronounced in the patients with alveolar osteitis whose extraction wounds were subjected to low level laser radiation in comparison to those in which extraction wounds were treated with zinc oxide eugenol paste.

scholarly journals THE “LASEPRF”- LASER TREATED PRF FOR TREATMENT OF MULTIPLE GINGIVAL RECESSIONS - A CASE REPORT

2020 ◽  
Vol 9 (3) ◽  
Author(s):  
Keerthi.K.L ◽  
P.Aravind Kumar ◽  
M. Narendra Babu ◽  
K.Raviraj
Keyword(s):  
Wound Healing ◽  
Laser Therapy ◽  
Healing Process ◽  
Gingival Recession ◽  
Low Level Laser Therapy ◽  
Root Coverage ◽  
Platelet Rich Fibrin ◽  
Low Level ◽  
Low Level Laser ◽  
Level Laser

Treatment of gingival recession has become an important therapeutic issue due to increasing cosmetic demand. Multiple surgical procedures have been developed to obtain predictable esthetic root coverage.. Low level laser therapy (LLLT) has biostimulative effect on platelets by inducing platelet degranulation. Therefore, it can be possible that the use of Platelet rich fibrin (PRF) treated with LLLT could help in increasing the concentration of growth factors in the wound healing, thus accelerates healing process. This paper reports the use of PRF treated with laser for root coverage on the labial surfaces of the maxillary right teeth. Keywords: Low level laser therapy (LLLT), Platelet rich fibrin (PRF), Modified VISTA technique.

Equine wound healing: influence of low level laser therapy on an equine metacarpal wound healing model

2012 ◽  
Vol 1 (2) ◽  
Author(s):  
Henry W. Jann ◽  
Kenneth Bartels ◽  
Jerry W. Ritchey ◽  
Mark Payton ◽  
John M. Bennett
Keyword(s):  
Wound Healing ◽  
Laser Therapy ◽  
Low Level Laser Therapy ◽  
Energy Output ◽  
Control Group ◽  
Skin Wounds ◽  
Full Thickness ◽  
Low Level ◽  
Low Level Laser ◽  
Level Laser

AbstractTo evaluate the effects of low level laser therapy (LLLT) on healing of full thickness symmetrical skin wounds in horses. LLLT is a therapeutic modality using the application of light, usually a low power laser or light emitting diode in the power range of 1 mW to 12 W that, in practical terms, promotes tissue regeneration as well as reducing inflammation and pain.Experimental study.Healthy horses (n=8).Full thickness, 2.5 cm square skin wounds were created in the mid-metacarpal region on one leg of eight normal horses. LLLT was used on limbs assigned to the experimental group and limbs assigned to the control group were allowed to heal without treatment. LLLT was administered using a line generated optical scanner with a dual diode laser system (model EML; Erchonia Laser Healthcare, McKinney, TX, USA) at a wavelength of 635 nm and an energy output of 17 mW per diode. Wound size was measured for an 80-day period post operatively. Eighty days after surgery incisional biopsies were examined histologically.Wounds treated with LLLT healed faster than the control wounds (LLLT increased the rate of wound healing.

scholarly journals Comparison and Evaluation of the Low-Level Laser and the Red and Blue LED Effects on Wound Healing in Rabbit

2019 ◽  
Vol 10 (3) ◽  
pp. 189-193 ◽  
Author(s):  
Marjan Ghaemi ◽  
Davood Sharifi ◽  
Soheila Mokmeli ◽  
Golshad Kowsari ◽  
Pejman Mortazavi ◽  
...  
Keyword(s):  
Wound Healing ◽  
Statistical Significance ◽  
Proper Function ◽  
Control Group ◽  
P Value ◽  
Blue Led ◽  
Low Level ◽  
Low Level Laser ◽  
Level Laser ◽  
Red Led

Introduction: Wound healing is a dynamic, interactive process to achieve the restoration of skin integrity and proper function after damage. Applying a low-level laser (LLL) and light emitting diodes (henceforth LEDs) is introduced in previous studies to accelerate the process of wound healing. The aim of this study is to compare the effect of the LLL and LEDs on wound healing in rabbits. Methods: Full thickness same size square excision wounds were created on the dorsum of the rabbits. Twenty rabbits were randomly divided into four groups, according to the treatment received. Group 1: the AlGalInP (aluminium gallium indium phosphide) laser (4 J/cm²); group 2: the red LED (30 J/cm²); group 3: the blue LED (60 J/cm²) and group 4, as the control group, was not irradiated. After 30 days, the wounds were evaluated both morphologically and histopathologically. Statistical significance was defined as a P value of less than 0.05. Results: All interfering methods including the LLL and LEDs had better outcome compared with the control group of both sizes and histopathologic features. The red laser group showed better results compared to the control group and either the LED groups. Comparing LEDs, the red LED performed better than the blue LED. Conclusion: This study confirmed the significant effects of the LLL and LEDs on wound healing. Comparing the LLL and LED, the LED may be a better choice, especially for bedridden or debilitated patients. The LED may also more cost effective in wound healing in comparison with the LLL.

scholarly journals The influence of low-level laser therapy on biomodulation of collagen and elastic fibers

2003 ◽  
Vol 17 (4) ◽  
pp. 307-313 ◽  
Author(s):  
Lívia Souza Pugliese ◽  
Alena Peixoto Medrado ◽  
Sílvia Regina de Almeida Reis ◽  
Zilton de Araújo Andrade
Keyword(s):  
Wound Healing ◽  
Laser Therapy ◽  
Statistical Significance ◽  
Healing Process ◽  
Low Level Laser Therapy ◽  
Elastic Fibers ◽  
Wound Healing Process ◽  
Low Level ◽  
Low Level Laser ◽  
Level Laser

The study of low-level laser therapy upon extracellular matrix elements is important to understand the wound healing process under this agent. However, little is known about the interference of laser light in relation to collagen and elastic fibers. Cutaneous wounds were performed on the back of 72 Wistar rats and a Ga-Al-As low-level laser was punctually applied with different energy densities. The animals were killed after 24, 48, 72 hours and 5, 7 and 14 days. Tissues were stained with hematoxilin-eosin, sirius red fast green and orcein and then analyzed. It was observed that the treated group exhibited larger reduction of edema and inflammatory infiltrate. The treated animals presented a larger expression of collagen and elastic fibers, although without statistical significance (p > 0.05). Treatment with a dosage of 4 J/cm² exhibited more expressive results than that with 8 J/cm². In this study, the authors concluded that low-level laser therapy contributed to a larger expression of collagen and elastic fibers during the early phases of the wound healing process.

scholarly journals Histopathological Evaluation of the Effects of Low-level Laser Therapy on the Healing of Experimental Cryosurgical Wound in Normal Rat Skin

2021 ◽  
Author(s):  
Sepehr Zargaran ◽  
Soroush Mohitmafi ◽  
Ali Anisian
Keyword(s):  
Statistical Tests ◽  
Healing Process ◽  
Low Level Laser Therapy ◽  
Control Group ◽  
Low Level ◽  
Low Level Laser ◽  
Level Laser ◽  
Post Hoc ◽  
And Control ◽  
Experimental Group

Introduction: This research aimed to study the healing process of cryosurgical wounds after topical application of low-level laser and to evaluate its effects for the prevention of healing complications. Materials  and Methods: A total of 50 healthy  male Wistar  rats with an average  weight   of 200-250 g were selected and randomly divided into two main groups. In control group (N=25), cryosurgery was done without using of low-level laser. In experimental group (N=25), cryosurgery was done and the low-level laser was used for 10 days post-surgery. Each main group was divided into five subgroups (n=5) according to histopathological evaluation date (3, 7, 14, 21 and 28 days post-surgical) and healing process was evaluated on the wound specimens harvested at above-mentioned days. The full- thickness wounds were harvested   in 40 mm in length and 20 mm in width and the specimens were stained using hematoxylin- eosin and Masson’s Trichrome staining. The healing process  was evaluated  and compared  in groups by observation of granulation tissue and collagen fibers amounts, epithelial gap size, the number of inflammatory cells, and the rate of angiogenesis. Data were collected and statistically analyzed and compared between the experimental and control groups on specific days using the Kruskal-Wallis and Dan post hoc statistical tests. Results:  The obtained data were compared between the experimental and control groups    on different days using the Kruskal-Wallis and Dan post hoc statistical tests. The statistical results revealed significant differences between groups (P<0.05) in all mentioned variables. It revealed that the healing process in the experimental group took place at least one week earlier than the control group. Conclusion: The results of this animal study showed that the low-level laser therapy on an experimental cryosurgical wound not only accelerates the healing process but also can be effective in the prevention of healing complications. The authors suggest further research to extend the results to human applications.

scholarly journals Low level laser therapy and its effects on reparatory processes of the skin

2003 ◽  
Vol 56 (3-4) ◽  
pp. 137-141 ◽  
Author(s):  
Milan Matic ◽  
Bogosav Lazetic ◽  
Mirjana Poljacki ◽  
Verica Djuran ◽  
Milana Ivkov-Simic
Keyword(s):  
Wound Healing ◽  
Laser Radiation ◽  
Laser Therapy ◽  
Healing Process ◽  
Low Level Laser Therapy ◽  
Wound Healing Process ◽  
Low Level ◽  
Low Level Laser ◽  
Level Laser ◽  
Laser Devices

Introduction Application of laser beams for therapeutic purposes is of relatively recent date, but today there is no field of medicine where lasers cannot be used. Physical characteristics of laser radiation Laser radiation is a type of electromagnetic radiation with some specific characteristics such as coherence, monochromaticity and parallelity. Types of laser devices Nowadays, there are many laser devices on the market used in medicine and dentistry. According to the type of their active medium, lasers can be classified as solid, gas, semiconductor and liquid. Effects of low level laser therapy on biological systems The exact mechanism of action of low level laser therapy is still not completely understood. Its basic feature is to modulate cell behaviour, without causing significant temperature increase. During irradiation of a tissue with a laser beam, an interaction between cells and photons takes place - photochemical reaction. After a cell absorbs the photon, the photon stops existing, and its energy is incorporated into the molecule which has absorbed it. Once this energy is transferred to different bio-molecules, it can be transferred to other molecules as well. The energy transferred to the molecule can increase its kinetic energy, and activate or deactivate enzymes or alter physical or chemical properties of main macromolecules. Effects of low level laser therapy on wound healing Effects of low level laser therapy on wound healing process is one of the most fully studied aspects of this type of therapy. It affects all phases of this very complex process. This paper offers a more detailed analysis of these aspects.

Response of Aerobic Capacity to Low-Level Laser Therapy in Burned Patients

2021 ◽  
Author(s):  
Noha Mohamed Kamel ◽  
Rokaia Ali Toson ◽  
Shaimaa Mohamed Elsayeh
Keyword(s):  
Oxygen Consumption ◽  
Laser Therapy ◽  
Aerobic Capacity ◽  
Low Level Laser Therapy ◽  
Control Group ◽  
Study Group ◽  
Maximum Oxygen Consumption ◽  
Low Level ◽  
Low Level Laser ◽  
Level Laser

Abstract Background Severe burns lead to decreased pulmonary function and impaired aerobic capacity for long periods post-injury. Low-level laser therapy is a modality utilized to improve aerobic capacity, enhance exercise performance and increase time until fatigue when utilized before aerobic exercises. Purpose This work aims to determine the impacts of pre-exercise low-level laser therapy on aerobic capacity in burn cases. Participants and Methods Sixty adults burned cases of both sexes, aged from 25 to 40 years, with second-degree healed thermal burns, and the total burned body surface area ranged from 20 to 40% participated in this study after complete wound healing. They were randomly categorized into two groups of equal numbers. The study group received low-level laser therapy before aerobic exercises, three sessions/week for 12 weeks, while the control group performed aerobic exercises three times weekly for 12 weeks. All cases received the routine physical treatment program. Aerobic capacity was assessed for both groups by measuring maximum oxygen consumption and time to exhaustion at baseline and twelve weeks following interventions. Findings There was a statistically significant rise in the mean values of maximum oxygen usage and time to fatigue after 12 weeks of treatment in both groups. However, after comparison, the improvements in the study group were statistically significant than those in the control group with (p &lt; 0.01), (p &lt; 0.05) respectively. Conclusion Low-level laser therapy has a beneficial therapeutic impact on promoting aerobic capacity, improving maximum oxygen consumption, and increasing treadmill time in burned cases when preceding aerobic exercises.

scholarly journals The effect of low-level laser therapy and stress on wound healing in rats

2021 ◽  
Author(s):  
Mohsen Dalband ◽  
Shahabaldin Azizi ◽  
Mahdieh Karimzadeh ◽  
Mohammad Asnaashari ◽  
Abdullah Farhadinasb ◽  
...  
Keyword(s):  
Wound Healing ◽  
Laser Therapy ◽  
Healing Process ◽  
Low Level Laser Therapy ◽  
Wound Healing Process ◽  
Stress And Strain ◽  
Low Level ◽  
Low Level Laser ◽  
Level Laser ◽  
Significant Difference

Background: Many studies have been performed on the effect of low level laser on wound healing which has been associated with different and sometimes contradictory results. On the other hand, considering that stress may affect the immune system the fact that it may delay wound healing has also been addressed. Therefore, the present study aimed to investigate the simultaneous effect of low level  laser therapy and stress on wound healing at the three levels of histology (histological changes), biomechanics (stress and strain assessment) and macroscopic (wound size). Methods: In this interventional study, 72 male Wistar rats (8-10 weeks old, weight range: 240 to 330 g) were randomly divided into three treatment groups and one control group. (18 per group). In all the rats, a 2.5 cm full-thickness skin incision was made on the dorsal spine. Intervention was performed from day 1 to day 21 every other day with Kals-DX61 laser (cap s) with wavelength: 660 nm, dose 3 J / cm2, 100 sec and power density 30 mW / cm2. Then, wound size was measured weekly until the third week (day 21). Then, tension metric tests were performed to evaluate the stress and strain of the restored tissue. At the end of each week, three animals from each group were sacrificed for histopathological evaluation. Results: There was a significant difference between the stress / no laser and laser/no stress groups in all stages of evaluation. Mean and standard deviation of stress and strain were not significantly different in the study groups. Conclusion: Stress can potentially slow the wound healing process, while receiving low level laser therapy speeds up the wound healing process, although in the end there was no significant difference in biomechanical characteristics between the groups.

Assessment of healing of dental implant surgical site following Low-Level Laser Therapy using Bio-Clinical parameters: An Exploratory Study

2020 ◽  
Author(s):  
VARSHA PALLED ◽  
DR. JITENDRA RAO ◽  
DR. RAGHUWAR DAYAL SINGH ◽  
DR. SHUCHI TRIPATHI ◽  
DR. KALPANA SINGH ◽  
...  
Keyword(s):  
Laser Therapy ◽  
Test Group ◽  
Low Level Laser Therapy ◽  
Control Group ◽  
Clinical Parameters ◽  
Implant Stability ◽  
Low Level ◽  
Implant Stability Quotient ◽  
Low Level Laser ◽  
Level Laser

The purpose of this study was to evaluate whether Low-Level Laser Therapy (LLLT) improves the healing of the implant surgical site with clinical and biochemical parameters.Thirty patients with an edentulous space spanning a single tooth were selected. The patients were randomly allocated to two groups - the control group and the test group. The test group received laser energy at a power of 2J/cm 2 with a total of 4-6J energy over each implant. Clinical parameters (Implant Stability Quotient, probing index, modified sulcus bleeding index)and osteoprotegerin (OPG) were assessed at baseline and follow-up intervals (2 weeks, 6 weeks, and 3 months).The test group showed significantly higher implant stability quotient compared to thecontrol group at 2 weeks(57.93±3.95 and 35.67±3.08; p&lt;0.01) and 3months(58.86±3.75 and 67.06±3.78; p&lt;0.01). A significant rise in OPG levels of the test group(686.30±125.36pg/ml at baseline and 784.25±108.30pg/ml at 3months;p&lt;0.01) was seen contrary to significant decline in the control group (839.50±249.08pg/ml at baseline,415.30±78.39pg/ml at 3months;p&lt;0.01). Within the limitations of the study, the study suggests that the healing of peri-implant hard and soft tissues may be enhanced with the use of LLLT as an explicit modality during the post-operative period.

Wound-healing effects of low-level laser therapy in diabetic rats involve the modulation of MMP-2 and MMP-9 and the redistribution of collagen types I and III

2013 ◽  
Vol 15 (4) ◽  
pp. 210-216 ◽  
Author(s):  
Andreia Aparecida Da Silva ◽  
Ernesto Cesar Pinto Leal-Junior ◽  
Ana Carolina Araruna Alves ◽  
Caroline Sobral Rambo ◽  
Solange Almeida Dos Santos ◽  
...  
Keyword(s):  
Wound Healing ◽  
Laser Therapy ◽  
Diabetic Rats ◽  
Low Level Laser Therapy ◽  
Collagen Types ◽  
Low Level ◽  
Low Level Laser ◽  
Level Laser
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