Studies also suggest that oral bacteria and the inflammation associated with periodontitis â a severe form of gum disease â might play a role in some diseases. In addition, certain diseases, such as diabetes and HIV/AIDS, can lower the body's resistance to infection, making oral health problems more severe.
Common fungal skin infections are caused by yeasts (such as Candidaâsee Candidiasis) or dermatophytes, such as Epidermophyton, Microsporum, and Trichophyton (see Overview of Dermatophytoses (Ringworm, Tinea)). Many such fungi live only in the topmost layer of the epidermis (stratum corneum) and do not penetrate deeper.
Superficial fungal infections, such as jock itch, vaginal yeast infection, athlete's foot, and ringworm, typically are annoying but not very serious. Their symptoms generally include itchy, dry, red, scaly, or irritated skin.andidiasis (kan-dih-DYE-uh-sis) is a superficial fungal infection caused by various strains of Candida (CAN-dih-duh) fungi. Candida is a yeastlike fungus often found in the mouth and the lining of the intestinal tract of healthy people.