The purpose of this paper is to offer a method for studying the treatment result of gingival recession.
A parameter showing the success of the surgical treatment of gingival recessions is the keratinized gingival
width. It was measured four times: at baseline, after 1 month, after 3 months and after 6 months. Every patient
has data that can be described by an individual trend. Bayesian hierarchical model of the keratinized gingiva
width’s increase rate is built.