UDK: 612.823
Olga Leontyevna Polyakova, Natalya Nicolaevna Chuchkova, Vladimir Nicolaevich Nikolenko, Victor Michaylovich Chuchkov, Marina Victorovna Smetanina
I. M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Izhevsk State Medical Academy, Izhevsk, Russia; Lomonosov Moscow State University, Moscow, Russia; Udmurt State University, Izhevsk, Russia
The aim of the study was to assess the quantitative representation of mitochondria in the nerve fibers of tooth pulp tissues in children born and living in prosperous and environmentally unfavorable areas. The influence of environmental stress on the energy supply of the permanent tooth tissue was revealed. The epidemiological study included children from 8 settlements of Udmurtia, born and living in safe and ecologically unfavorable areas. The surveyed children were divided into 5 age groups (according to the WHO classification): first childhood, second childhood, adoles- cence (5–6 years; 7–8 years; 9–10 years; 11–12 years; 13–14 years).
mitochondria, dental pulp, environmental stress, myelinated and nonmyelinated nerve fibers, age 5–14 years