This review of the effect of light activation on tooth whitening efficacy included 21 RCTs finding that neither the efficacy nor the risk of tooth sensitivity of in-office bleaching was influenced by the use of light, regardless of the hydrogen peroxide concentration.
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20 RCTs were included in this review of low level laser therapy (LLLT) for orthodontic pain. While the findings suggest a benefit a majority of the studies were at high risk of bias so the findings should be interpreted cautiously.
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This review looked at the effectiveness of antimicrobial photodynamic therapy as an adjunctive treatment to scaling and root polishing for aggressive periodontitis. Seven small studies suggest that it may be beneficial in the short term.
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This small trial suggests that that while the diode laser treatment was marginally quicker than the traditional scalpel removal of fibrous hyperplasia, it required fewer analgesics and no sutures. However, there was more swelling, and wound healing was longer.
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97 papers describing 4879 cases of bisphosphonate-related osteonecrosis were included in this review. A wide range of management approaches were identified but the quality of the available evidence is limited.
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Tracey Howe reviews a recent Cochrane systematic review that examines the effectiveness of electrotherapy for adults with frozen shoulder.
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This review compares the clinical outcomes of scaling and root planing with Er:YAG laser either as an alternative or as an adjuvant in patients with chronic periodontitis. 12 small trials were included and similar outcomes were seen with both treatments at 3 months . However hetrogeneity in teh studies and the small sample size mean that these finding should be interpreted with caution.
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Low level laser therapy have been used of musculoskeletal problems and this review looked it is use in temporomandibular disorders. 6 small studies were included and this suggested a small statistical benefit for pain reduction.
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A 2011 Cochrane review found weak evidence from 5 studies that low energy laser therapy (LLLT) may be beneficial in preventing severe mucositis. This new review included 18 studies and found that low level laser therapy reduced overall risk of severe mucositis.
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