J Periodontol 2021 May 13;92(5):662-669. Epub 2020 Oct 13.
Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, CA, USA.
Background: The aim of this study was to analyze the predictability of the Kwok and Caton periodontal prognosis system by investigating tooth survival within a 64-month period and to compare this to other well-established prognosis systems.
Methods: This retrospective study included the records of patients who had a minimum of two dental exams at least 12 months apart at a single University-affiliated Dental Center. Data including patients' age, sex, length of follow-up period, initial tooth prognosis, revised tooth prognosis, tooth type, and number of teeth lost at the latest exam were recorded. Read More