“Effectiveness of Orally Administered Probiotic Lactobacillus Reuteri in Patients With Peri-Implant Mucositis: A Prospective Clinical Study ”. Journal of Osseointegration, vol. 13, no. 3, Sept. 2021, pp. 144-9, https://doi.org/10.23805/JO.2021.13.03.7.