About: http://webisa.webdatacommons.org/156894007

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Periodontal disease, commonly known as gum disease, is a chronic bacterial infection that affects the tissues that surround the teeth, including the gums and bones supporting the teeth.
http://www.w3.org/ns/prov#wasQuotedFrom	babble.com