Objective:

to evaluate the evidence of the efficacy of the adjuvant use of laser in the surgical treatment of grade II furcation lesions and to demonstrate the clinical importance of the findings for decision making.

Materials and methods:

a manual bibliographic search was carried out where the following databases were consulted: PORTAL TIMBO FOCO, PUBMED, SciELO, BVS and GOOGLE SCHOOL. This search was restricted to the last 15 years and the selected articles are in English.

Results:

105 articles that addressed the subject were selected and the search was completed by searching and reading the referenced bibliography in those articles.

Conclusions:

Low-power laser, both for biostimulation and as an anti-inflammatory has so far only shown positive short-term results as an adjunct to regenerative periodontal treatment in grade II furcation lesions. However, its long-term results are not clear due to methodological weaknesses and the insufficient number of existing studies. On the other hand, photodynamic therapy could be an alternative to control bone loss in furcation lesions caused by periodontitis. However, more studies are needed to elucidate the action of photodynamic therapy and photobiomodulation as adjuvants in the treatment of furcation lesions.

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