Periodontal pockets refer to wide spaces that appear between the gum tissue and its attachment to the tooth. In healthy gums, this space should be no larger than 3 millimetres in depth, however, gum disease can cause deeper spaces around the tooth and the development of periodontal pockets that, if untreated, can lead to tooth loss. 

Early signs of gum disease include bad breath, bleeding or swollen gums or visible space between the gum and tooth.  Periodontal pocket treatment involves a special type of teeth cleaning that allows the gums to heal and periodontal pockets to shrink, with prices starting at $25