[The prognostication of development of peri-apical abscess under chronic periodontitis by blood parameters and cell immunity in children].

The chronic periodontitis in children is frequently complicated by development of periapical abscess under inadequate conservative therapy. However, prognostic models of estimation of probability of its development are lacking. The purpose of study is to develop regression models of prognostication of periapical abscess under chronic periodontitis in children according indices of peripheral blood and systemic cellular immunity.