Term: pyorrhea
Literally meaning: “pus flowing”
Origin: Anc Greek
πύον/pyon(=pus) > πύθω/pytho(=rot, stink)
+ ροή/roe(=stream, flowing) >verb ρέω/reo(=flow)
Coined/History
Definition
Pyorrhea or periodontitis is a set of Purulent and inflammatory diseases affecting the tissues that surround and support the teeth as ligaments and bones (periodontium).
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