This review comparing the effectiveness of lasers and topical desensitising agent treatments for dentine hypersensitivity included 13 studies. None of the studies was at low risk of bias so the evidence is of low-quality and insufficient to draw any conclusions on the superiority of lasers or conventional topical desensitising agents.
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This update of a Cochrane review of pharmacological and non-pharmacological interventions for the management of gagging in people undergoing dental treatment found very low-certainty evidence from four trials that was insufficient to conclude if there is any benefit of acupuncture, acupressure or laser at P6 point in reducing gagging and allowing successful completion of dental procedures.
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This review of the effects of different types of lasers on dentine hypersensitivity included 11 RCTs suggesting no significant differences between Er,Cr:YSGG, Nd:YAG, Er:YAG, and GaAlAs lasers both in the immediate term and at 1 month.
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This review of treatments used to treat dentine hypersensitivity. 254 different agents were tested with all showing some effectiveness in short term.
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8 small short term RCTs were included in this review of the effect of photobiomodulation (low-level laser therapy) on dental implant stability and success suggesting no differences
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This review of low-level laser therapy (LLLT) or photodynamic therapy (PDT) in the treatment of denture stomatitis only identified 4 small RCTs providing limited low quality evidence of clinical effectiveness.
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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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