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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" article-type="research-article" dtd-version="1.1d1" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher">Молодежный инновационный вестник</journal-id><journal-title-group><journal-title>Молодежный инновационный вестник</journal-title></journal-title-group><issn publication-format="print">2415-7805</issn><publisher><publisher-name>Федеральное государственное бюджетное образовательное учреждение высшего образования "Воронежский государственный медицинский университет имени Н.Н. Бурденко" Министерства здравоохранения Российской Федерации</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">9300</article-id><article-categories><subj-group subj-group-type="heading"><subject>Conference Proceedings</subject></subj-group></article-categories><title-group><article-title>Wedge-shaped defect; erosion of hard tooth tissues and fluorosis in people of different ages</article-title></title-group><contrib-group><contrib contrib-type="author"><name name-style="western"><surname>Evseeva</surname><given-names>Ekaterina Andreevna</given-names></name><email>kkevseevaa@mail.ru</email><uri content-type="orcid">https://orcid.org/0009-0002-3957-6675</uri><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author"><name name-style="western"><surname>Podlovchenko</surname><given-names>Julia Viacheslavovna</given-names></name><email>julia.pvs@mail.ru</email><uri content-type="orcid">https://orcid.org/0009-0002-6917-858X</uri><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author"><name name-style="western"><surname>Luschik</surname><given-names>Marina Valeryevna</given-names></name><email>marleven@mail.ru</email><uri content-type="orcid">https://orcid.org/0000-0002-1273-8374</uri><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff id="aff-1">Voronezh State Medical University named after N. N. Burdenko</aff><pub-date date-type="epub" iso-8601-date="2024-04-19" publication-format="electronic"><day>19</day><month>04</month><year>2024</year></pub-date><volume>13</volume><issue>S1</issue><fpage>290</fpage><lpage>293</lpage><history><pub-date date-type="received" iso-8601-date="2024-02-06"><day>06</day><month>02</month><year>2024</year></pub-date><pub-date date-type="accepted" iso-8601-date="2024-04-10"><day>10</day><month>04</month><year>2024</year></pub-date></history><permissions><copyright-statement>Copyright © 2024, Evseeva E.A., Podlovchenko J.V., Luschik M.V.</copyright-statement><copyright-year>2024</copyright-year></permissions><abstract>&lt;p style="text-align: justify;"&gt;This article is devoted to a comprehensive study of such an urgent problem as non-carious dental lesions. Special attention is paid to diseases such as wedge-shaped defect, erosion of hard tooth tissues and fluorosis. The purpose of the article is to analyze the statistics of the occurrence of this group of diseases, the peculiarities of the frequency of manifestation in different age groups of people, as well as to identify causal factors and the degree of their impact. The work was carried out by collecting data obtained on the basis of a population survey, for which a pre-prepared questionnaire was used. After collecting the necessary information and obtaining data from different age groups of people, the results of the survey were processed and analyzed, on the basis of which it is possible to judge the prevalence of non-carious dental lesions. The article also highlights and describes the characteristic features of a wedge-shaped defect, erosion of hard tooth tissues and fluorosis, examines their causes, clinical manifestations, pathogenesis, at the same time, attention is paid to preventive measures and methods of treatment of each disease separately. In conclusion, the article summarizes the results and conclusions about the frequency of occurrence of each non-carious tooth lesion in people of different age groups.&lt;/p&gt;</abstract><kwd-group xml:lang="en"><kwd>non-carious dental lesions</kwd><kwd>wedge-shaped defect</kwd><kwd>erosion of hard tooth tissues</kwd><kwd>fluorosis</kwd><kwd>occurrence statistics</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>некариозные поражения зубов</kwd><kwd>клиновидный дефект</kwd><kwd>эрозия твердых тканей зуба</kwd><kwd>флюороз</kwd><kwd>статистика встречаемости</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Бизякина, А. А. Некариозные поражения зубов.клиновидный дефект,Эрозия, стирание, остеопороз челюстных костей, как следствие нарушения минерального обмена / А. А. 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