Periodontal diseases are caused by numerous factors, primarily the accumulation of soft deposits and tartar on the teeth. Causes can be inadequate prosthetic work, inadequate fillings as well as some bad habits (breathing through the mouth, chewing food on one side only, etc.). Also, the appearance of periodontal diseases is associated with certain diseases such as leukemia, diabetes, as well as with hormonal imbalance during pregnancy or puberty.