The probiotics in dentistry: a narrative review

A.M. Pujia, M. Costacurta, L. Fortunato, G. Merra, S. Cascapera, M. Calvani, S. Gratteri

Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, Rome, Italy. giuseppe.merra@policlinicogemelli.it

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• Pharmacology

The total number of microbes that colonize the human body is far greater than the number of cells that make it up. In recent years, it has been shown that bacteria play an essential role in the body; in fact, they are essential for the maturation of the intestine, the development and control of the immune system, the development of the brain, the metabolism of macronutrients, the synthesis of vitamins, and the energy balance. Bacteria play an essential role in defense of their territory against the entry of other bacteria that may be pathogenic to health. Metchnikoff, about a century ago, invented probiotics, assuming that the use of certain bacteria could be beneficial to maintaining health. Bacteria colonize our body from birth and breastfeeding, using the bacterial flora of the mother by accessing newborns through the mouth. Antibiotic therapies in pregnancy or cesarean section prevent this flow of probiotics to infants and open the way for very important diseases, such as diabetes and obesity. The alterations of oral bacterial flora are responsible for numerous diseases of the oral cavity and the idea of the use of probiotics is leading the way to new therapeutic perspectives.

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