introduction: low-level laser therapy (lllt) is thought to have analgesic and biomodulatory effects. our objective was to assess the pain-relieving effect of lllt and possible changes in joint stiffness and disability of patients with knee osteoarthritis (koa) and compare it to the more commonly used modality; therapeutic ultrasound(us). methods: 37 patients with mild or moderate koa were rando...

low-power lasers are a group of lasers with a power less than 250 mw and unlike high-power lasers they have no effect on tissue temperature; they produce light-dependent chemical reactions in tissues. these lasers have analgesic features with their ability to trigger reactions that reduce pain and inflammatory mediators. low-power lasers can also be used instead of needles in acupuncture to dec...

the standards of endodontics have constantly been raised in the last 25 years by practitioners’ researches and their interest. most of the scientists believe the recent developments and the use of lasers as the most exciting achievement in endodontic treatment. nowadays, lasers are being used in endodontics to improve the prognosis of the root-filled teeth. the implement of suitable wavelengths...

the effect of low intensity laser radiation in the treatment of acute and chronic pain is now established in many studies. trigeminal neuralgia is a pain passes through nerve’s branches and its trigger is located in skin or mucosa that could lead to pain with a trigger stimulus. the pain involved branches of trigeminal nerve that sometimes has patients to seek the treatment for several years. n...

background: neuropathic pain (np) is a serious suffering medical condition that frequently leads to disability and life style changes. although the exact mechanisms of np are still unknown, recently the role of reactive oxygen species (ros) reported as an important factor for np. apoptosis, increase of atp production and reduction of antioxidants are also the other factors influencing in np. th...

radiotherapy in the head and neck region and chemotherapy might give rise to oral mucositis which is a severe and painful inflammation. there is no known definite cure for mucositis. a number of studies have attempted to evaluate the effect of low-power laser on radiotherapy- and chemotherapy-induced mucositis. the present study was undertaken to evaluate the effect of low-power laser on the pr...

low-level laser therapy (lllt) provides several benefits for patients receiving orthodontic treatment. according to some literatures, orthodontic tooth movement (otm) can be enhanced but some investigators have reported contradictory results. this article reviews the literature regarding the different aspects of the use of lllt on otm and its alterations. the general data regarding the study de...

introduction: tonsillectomy is among commonest otorhinolaryngologic surgeries. many methods have been used to control post surgical pain, but despite it, pain is still one of the problems related to this operation. recently, due to the non invasiveness of low level lasers, this modality has attracted attention. the purpose of this study is to evaluate the effects of low level laser irradiation ...

a hypertrophic scar is defined as an excess healing response that is a dilemma for physicians. several therapies are available: intralesional corticosteroids, topical treatments, cryotherapy, surgery, radiation, silicone gel dressing and laser therapy.pulsed-dye, nd-yag and co2 lasers have been used for treatment of keloids and hypertrophic scars but recurrence is common. recently low-level las...