In the course of the study, histological preparations of 35 patients aged 16–25 years with incisor crowding who underwent orthodontic treatment with the fixed appliances according to the standard technique, had been analyzed.

Three groups of patients had been distinguished:

the first one was the reference group, the second one was the group of patients with the fiberotomy conducted before treatment with fixed orthodontic appliances, and the third one was the group of patients with the fiberotomy performed after the removal of fixed orthodontic appliances according to a standard technique used in the Department of Maxillofacial Surgery and Dentistry of Samara State Medical University (SamSMU)