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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">actabiomedica</journal-id><journal-title-group><journal-title xml:lang="ru">Acta Biomedica Scientifica</journal-title><trans-title-group xml:lang="en"><trans-title>Acta Biomedica Scientifica</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2541-9420</issn><issn pub-type="epub">2587-9596</issn><publisher><publisher-name>Scientific Centre for Family Health and Human Reproduction Problems</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.12737/article_5a3a0eaa13e056.43135952</article-id><article-id custom-type="elpub" pub-id-type="custom">actabiomedica-523</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>СТОМАТОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>STOMATOLOGY</subject></subj-group></article-categories><title-group><article-title>Изменение цвета зубной эмали в процессе ортодонтического лечения</article-title><trans-title-group xml:lang="en"><trans-title>Changing the color of tooth enamel in the process of orthodontic treatment</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Спасич</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Spasich</surname><given-names>T. A.</given-names></name></name-alternatives><email xlink:type="simple">miladent@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Решетник</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Reshetnik</surname><given-names>L. A.</given-names></name></name-alternatives><email xlink:type="simple">Lreshetnik@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соболева</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Soboleva</surname><given-names>N. N.</given-names></name></name-alternatives><email xlink:type="simple">soboleva-ort@nm.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ковтонюк</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovtonyuk</surname><given-names>P. A.</given-names></name></name-alternatives><email xlink:type="simple">kovtonuk00@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутская государственная медицинская академия последипломного образования - филиал ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России</institution></aff><aff xml:lang="en"><institution>Irkutsk State Medical Academy of Postgraduate Education - Branch Campus of the Russian Medical Academy of Continuing Professional Education</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Иркутский государственный медицинский университет» Минздрава России</institution></aff><aff xml:lang="en"><institution>Irkutsk State Medical University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>28</day><month>09</month><year>2017</year></pub-date><volume>2</volume><issue>5(2)</issue><fpage>141</fpage><lpage>146</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Спасич Т.А., Решетник Л.А., Соболева Н.Н., Ковтонюк П.А., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Спасич Т.А., Решетник Л.А., Соболева Н.Н., Ковтонюк П.А.</copyright-holder><copyright-holder xml:lang="en">Spasich T.A., Reshetnik L.A., Soboleva N.N., Kovtonyuk P.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.actabiomedica.ru/jour/article/view/523">https://www.actabiomedica.ru/jour/article/view/523</self-uri><abstract><p>Обобщённые научные исследования экспериментального и клинического характера отражают динамику изменения цвета зубов в наблюдениях только за короткий промежуток времени. Долговременных клинических наблюдений у людей прежде не проводилось. В этой связи считаем целесообразным привести длительное клиническое наблюдение за динамикой возникшего дисколорита зубов в процессе ортодонтического лечения. Изменение цвета зубной эмали является довольно редким осложнением, возникающим в процессе ортодонтического лечения. Данное осложнение наблюдалось у 18 ортодонтических пациентов, получавших лечение с января 2010 по декабрь 2016 гг. У каждого из них было выявлено по одному зубу с изменённым цветом. В период клинических наблюдений обнаруженные изменения зубной эмали были самостоятельно устранены в 4 из 14 зубов (28,5 %) и оставались без изменений цвета в 10 (71,5 %) зубах. Электроодонтодиагностика, проведённая в период первичного обнаружения изменения цвета зубной эмали, показала повышение порога чувствительности на 14,3 %, а к финальному осмотру данный показатель составил 21,4 %. Рентгенологические изменения во всех случаях отсутствовали как в момент обнаружения изменений, так и в момент финального обследования. В ортодонтической практике следует придерживаться тактики динамического наблюдения за изменёнными в цвете зубами, т. к. изменения являются транзиторными, и цвет может вернуться к первоначальному без дополнительного вмешательства.</p></abstract><trans-abstract xml:lang="en"><p>Teeth discoloration is a rare orthodontic complication during orthodontic treatment. We present 6-year clinical observation conducted from January 2010 till December 2016. The eighteen orthodontic patients with teeth discoloration took part in this observation. Four patients were excluded from the observation as their teeth discoloration were under orthodontic treatment. During clinical observation period, discovered discoloration was evaluated as «improved» in 4 out of 14 teeth (28.5 %), as «maintained» in 10 teeth (71.4 %). Electroodontodiagnosis conducted during the initial detection period of discoloration showed 14.3 % positivity, which improved to 21.4 % at the final follow-up. The radiological pictures of the teeth showed no abnormalities. Thus, we can assume that teeth with one wide long root canal are more prone to damage to the pulp blood supply. Discoloration is also more frequent in the maxillary teeth, possibly due to the overjet relationship, which may increase susceptibility to trauma in the maxillary teeth. We should keep dynamical observation in the orthodontic practice as teeth color could reverse to the initial without additional interference. 1f discoloration does not improve even after sufficient observation, it is necessary to start orthodontic treatment (endodontic, prosthetic) or bleaching. A patient should be informed that discoloration does not always indicate devitalization or pulp necrosis. Instead of "devitalization" or "pulp necrosis" we recommend to use the term "discoloration".</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ортодонтическое лечение</kwd><kwd>изменение цвета эмали</kwd><kwd>электроодонтодиагностика</kwd><kwd>динамическое наблюдение</kwd><kwd>пульпа</kwd></kwd-group><kwd-group xml:lang="en"><kwd>teeth discoloration</kwd><kwd>ERT</kwd><kwd>dynamical observation</kwd><kwd>pulp</kwd><kwd>orthodontic treatment</kwd><kwd>transliteral discolor</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Chahande RK, Patil SS, Gade V, Meshram R, Chandhok DJ, Thakur DA. (2017). Spectrophotometric analysis of crown discoloration induced by two different sealers: An in vitro study. Indian J Dent Res, 28 (1), 71-75. doi: 10.4103/ijdr.IJDR_630_16.</mixed-citation><mixed-citation xml:lang="en">Chahande RK, Patil SS, Gade V, Meshram R, Chandhok DJ, Thakur DA. 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