 Periodontitis is a serious oral condition caused by dental plaque buildup, leading to inflammation and destruction of the gums and supporting tissues. It can progress to severe damage and even tooth loss if left untreated. The condition is most common among adults, but can occur in younger people as well. It is associated with several other health problems, including diabetes, heart disease, stroke, and respiratory illnesses. This article was authored by A. J. Conanan, M. R. V. Gursoy, and O. V. Carmen Gursoy.