The 2018 classification of periodontal diseases: Its predictive value for tooth loss.
Nihad El SayedSonja Rahim-WöstefeldFlorian StockerRouven BehnischPeter EickholzBernadette PretzlPublished in: Journal of periodontology (2021)
Class III and IV/Grade C of the 2018 classification of periodontal diseases show similar predictive accuracy for tooth loss as severe cases in the former classification. Patients adherence seems to influence the prognostic value of the classification.