The objective of the research was to determine odontological (odontometric and odontoscopic) and morpho-aesthetic variations of the upper central and lateral incisors in 14-year-old children residing in Udmurt Republic. 200 adolescent respondents (100 boys and 100 girls) were included in the study. We accessed morphological aspects of the permanent upper right and left central incisors (URCI and ULCI) in 14-year-old children born and permanently residing in conditionally ecologically favorable districts of the Udmurt Republic. Odontological variations of the permanent tooth crown shapes in early adolescent children (14-year-old) are shown; morphological, ethnic, age and gender, aesthetic features are determined. The determined odontoscopic and odontometric features of the permanent tooth crown shapes matter of scientific and practical terms and can be used to clarify ethnicity and possibly gender. The identified patterns can change and multiply the information-statistical interpretation of the ethnic and morpho-aesthetic features of the permanent teeth, and hence have an important impact when restoring damaged teeth crowns, which affect the permanent dentition smile harmony in 14-year-old adolescents born and permanently residing in the Udmurt Republic.
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