Editing Periodontal disease (section)

==== Staging ====
The goals of staging periodontitis is to classify the severity of damage and assess specific factors that may affect management.<ref name=":2" />

According to the 2017 classification, periodontitis is divided into four stages; after considering a few factors such as:

* Amount and percentage bone loss radiographically
* Clinical attachment loss, probing depth
* Presence of furcation
* Vertical bony defects
* History of tooth loss related to periodontitis
* Tooth hypermobility due to secondary occlusal trauma<ref name=":2">{{cite journal | vauthors = Caton JG, Armitage G, Berglundh T, Chapple IL, Jepsen S, Kornman KS, Mealey BL, Papapanou PN, Sanz M, Tonetti MS | title = A new classification scheme for periodontal and peri-implant diseases and conditions — Introduction and key changes from the 1999 classification | journal = Journal of Periodontology | volume = 89 | pages = S1–S8 | date = June 2018 | issue = Suppl 1 | pmid = 29926946 | doi = 10.1002/jper.18-0157 | s2cid = 49353912 | url = http://pure-oai.bham.ac.uk/ws/files/50172936/Caton_et_al_Version_3.0_NO_TABLES_PNP_amendments_1_ILC.pdf | doi-access = free }}</ref>