[Changes in the trace element composition of the hard dental tissues, dental calculus, saliva and gingival biopsies in workers under the influence of unfavorable factors in the manufacture of Cu, Zn and Pb].

Analysis of the trace element composition of biologic samples obtained from workers engaged in the manufacture of Cu, Zn, and Pb articles helps understand the processes of the formation and development of dental diseases. Accumulation of mobile elements in dental deposits, teeth, saliva, and gingival biopsy specimens evidence oral cavity involvement.