This Cochrane review of the effectiveness of lasers in the treatment of dentine hypersensitivity included 23 RCTs. The findings suggest that lasers may reduce pain intensity at short, medium, or long term when compared to placebo/no treatment. However the evidence is limited and of low to very low certainty.
[read the full story...]Laser preparation of tooth surfaces before fissure sealant placement
This review of laser preparation compared to other types of tooth surface preparation before fissure sealant placement included 5 RCTs. While the review suggested that retention rates with laser preparation were similar to acid etching the included studies were small and at high risk of bias. Thefore the findings should be considered very cautiously.
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