M. Longo, T. C. de S. Ramos, C. M. M. Nunes, M. P. Santamaria, and M. A. Neves Jardini, “Probiotic therapy as a novel approach in the prevention and treatment of gingivitis. A review”, BDS, vol. 21, no. 4, pp. 367–376, Oct. 2018, doi: 10.14295/bds.2018.v21i4.1600.