Table 3. Use of laser therapy in the management of oral mucositis (40-44). P/T: prevention / treatment of oral mucositis; N: number of patients; EM: mean age in years; ND: not declared; pat.: patient; G: group; SG; study group; CG: control group; CT: chemotherapy; OM: oral mucositis. *This study is divided into two clinical trials; reference here is to the first trial, since the second included patients that received radiotherapy.