Simpson, TC, Clarkson, JE, Worthington, HV, MacDonald, L, Weldon, Jo Catherine ORCID: 0000-0003-0729-8121, Needleman, I, Iheozor-Ejiofor, Z, Wild, SH, Qureshi, A et al (2022) Treatment of periodontitis for glycaemic control in people with diabetes mellitus. Cochrane Database of Systematic Reviews .