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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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="brief-report" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Kazan medical journal</journal-id><journal-title-group><journal-title xml:lang="en">Kazan medical journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Казанский медицинский журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0368-4814</issn><issn publication-format="electronic">2587-9359</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">65184</article-id><article-id pub-id-type="doi">10.17816/kazmj65184</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Short Communication</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Prevalence of periodontal disease in children and adolescents</article-title><trans-title-group xml:lang="ru"><trans-title>Распространенность заболеваний пародонта у детей и подростков</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khitrov</surname><given-names>V. Y.</given-names></name><name xml:lang="ru"><surname>Хитров</surname><given-names>В. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ageeva</surname><given-names>L. S.</given-names></name><name xml:lang="ru"><surname>Агеева</surname><given-names>Л. Ш.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khamitova</surname><given-names>N. K.</given-names></name><name xml:lang="ru"><surname>Хамитова</surname><given-names>Н. Х.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mamaeva</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Мамаева</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Berezina</surname><given-names>N. V.</given-names></name><name xml:lang="ru"><surname>Березина</surname><given-names>Н. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Akhmerova</surname><given-names>A. F.</given-names></name><name xml:lang="ru"><surname>Ахмерова</surname><given-names>А. Ф.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff id="aff1"><institution></institution></aff><pub-date date-type="pub" iso-8601-date="1999-01-15" publication-format="electronic"><day>15</day><month>01</month><year>1999</year></pub-date><volume>80</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>71</fpage><lpage>72</lpage><history><date date-type="received" iso-8601-date="2021-04-18"><day>18</day><month>04</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-04-18"><day>18</day><month>04</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 1999, Khitrov V.Y., Ageeva L.S., Khamitova N.K., Mamaeva E.V., Berezina N.V., Akhmerova A.F.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 1999, Хитров В.Ю., Агеева Л.Ш., Хамитова Н.Х., Мамаева Е.В., Березина Н.В., Ахмерова А.Ф.</copyright-statement><copyright-year>1999</copyright-year><copyright-holder xml:lang="en">Khitrov V.Y., Ageeva L.S., Khamitova N.K., Mamaeva E.V., Berezina N.V., Akhmerova A.F.</copyright-holder><copyright-holder xml:lang="ru">Хитров В.Ю., Агеева Л.Ш., Хамитова Н.Х., Мамаева Е.В., Березина Н.В., Ахмерова А.Ф.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://kazanmedjournal.ru/kazanmedj/article/view/65184">https://kazanmedjournal.ru/kazanmedj/article/view/65184</self-uri><abstract xml:lang="en"><p>Periodontal diseases in children and adolescents are quite common, as a result of various reasons: geographic conditions, diet, poor oral hygiene, occlusion pathology, anomalies in the attachment of soft tissues of the oral cavity to the facial skeleton, etc.</p></abstract><trans-abstract xml:lang="ru"><p>Заболевания пародонта у детей и подростков встречаются достаточно часто, являясь следствием различных причин: географических условий, характера питания, плохой гигиены полости рта, патологии прикуса, аномалий прикрепления мягких тканей полости рта к лицевому скелету и др.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Kazan Medical archive</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>Казанский медицинский архив</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list/></back></article>
