Clinical and laboratory assessment the levels of oral hygiene, total protein, hydrogen sulfide and nitrogen metabolites in oral fluid in the development of inflammatory complications during orthodontic treatment of children.

Objective: Introduction: Orthodontic treatment often causes inflammatory diseases in the oral cavity. The aim: То іncrease the effectiveness of prevention of inflammatory complications in the provision of orthodontic care to children with dentomaxillary anomalies using nonremovable orthodontic devices on the basis of study of clinical and biochemical parameters.

Patients And Methods: Materials and methods: The study was conducted among 100 patients divided into two groups: control and experimental group 2 (50 patients in each).