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Background and Objectives. About 5% of the world’s population is affected by diabetes; these patients must be further treated during medical and surgical treatments. These patients, due to the glycemic conditions, realize during their life multiorgan changes, in different body districts. Moreover, this condition obliges them to undertake hypoglycemic therapies. Diabetes is a risk factor for many diseases, including those concerning the oral district with immunological implications. Materials and Methods. A comprehensive review of the literature was conducted according to PRISMA guidelines accessing the NCBI PubMed database. Authors conducted the search of articles in English language. The results of the last 10 years have been considered, which present useful information regarding the oral conditions. A total of 17 relevant studies were included in the review. The study evaluated only papers with specific inclusion criteria regarding oral health. The works initially taken into consideration were 782; subsequently applying the inclusion and exclusion criteria, there were 42 works. After a careful analysis of the work obtained by two academics who have worked separately, there have been 17 studies. All data from the studies were compared and many of these confirmed alteration in the oral district. Results. The studies taken into consideration evaluated different factors, such as OHRQoL, QoL, and oral alterations, involving soft tissue, dental structures, and postrehabilitative complications, as well as immunological alterations. Conclusions. We can affirm, in conclusion, that this study has brought to light those that are complications due to diabetic pathology, from different points of view. The psychological and psychosocial alterations, certainly present in these patients, are probably due to local and systemic alterations; this is confirmed by the correlation between oral health and quality of life reported by the patients.

Bisphosphonates are stable analogues of pyrophosphate with a P-C-P structure and 2 side chains attached to the carbon atom. Intravenous bisphosphonates are primarily used and effective in the management of cancer-related conditions in the context of solid tumors, such as breast cancer, prostate cancer, and lung cancer. Moreover bisphosphonates are subministrated to patients with metabolic bone diseases such as osteoporosis and Paget disease. Bisphosphonate-associated osteonecrosis of the jaws (BONJ) is a really complication of intravenous bisphosphonate therapy in patients with cancer. It is common knowledge that the jaws have a greater blood supply than other bones and a fasterbone turnover rate, related both to their daily activity and presence of teeth which mandates daily bone remodeling around the periodontal ligament; moreover bisphosphonates toxicity to epithelial cells has been well documented. On this basis, the aim of this study is to evaluate the pathological changes of the mandibular bone and oral mucosa in patients treated with bisphosphonates, during osteoporosis treatment and during chemotherapy from solid cancer. In details we have analyzed, by immunohistochemical and scanning electron microscopic methods, intrasurgical biopsy of mandibular bone and of gingival mucosa in patients treated with bisphosphonates both intravenous and oral via after 24 and 36 months from assumption of drugs. Our results show in all patients great area demineralization bone mixed to normal bone, moreover in the demineralization bone it’s possible to observe numerous micro lacunae. In the correspondence samples of gingival epithelium we observe important lesions of histological structure and the disappearance of protein adhesion system cells to cells and cells to matrix. On this basis it is intriguing to speculate that the adverse effects of BP on oral epithelium may play a critical role in the initiation of BONJ an “outside-in” hypothesis., Italian Journal of Anatomy and Embryology, Vol 117, No 2 (Supplement) 2012