{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T18:16:08Z","timestamp":1784916968511,"version":"3.55.0"},"reference-count":23,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2025,2,20]],"date-time":"2025-02-20T00:00:00Z","timestamp":1740009600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthod Craniofacial Res"],"published-print":{"date-parts":[[2025,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To translate the malocclusion impact questionnaire (MIQ) into Polish, adapt it for Polish cultural conditions, and validate its usage.<\/jats:p><\/jats:sec><jats:sec><jats:title>Subjects and Methods<\/jats:title><jats:p>The original MIQ was translated into Polish following a seven\u2010stage cross\u2010cultural adaptation protocol. A total of 121 orthodontic patients participated in the study: 21 in the translation and cultural adaptation phase (5 males, 13.4\u2009\u00b1\u20091.5\u2009years; 16 females, 13.6\u2009\u00b1\u20091.9\u2009years) and 100 in the validation phase (53 males, 13.1\u2009\u00b1\u20091.6\u2009years; 47 females, 12.9\u2009\u00b1\u20091.7\u2009years). Confirmatory factor analysis (CFA) was conducted to confirm the one\u2010dimensional structure of the MIQ_PL. Reliability was assessed using Cronbach's alpha for internal consistency and intraclass correlation coefficients (ICCs) for test\u2013retest reliability, whereas construct validity was evaluated by comparing MIQ_PL scores with responses to global questions 1 and 2 from the MIQ_PL questionnaire and the aesthetic component of the index of orthodontic treatment need (IOTN\u2010AC).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The MIQ_PL was generally well understood by the test group and required only minor adjustments, indicating it is well adapted to the Polish cultural context. The internal consistency, measured by Cronbach's alpha, was 0.68, and the intraclass correlation coefficient for test\u2013retest reliability was 0.75, indicating adequate reliability. Many questionnaire items had a high floor effect. The correlation coefficients between global questions 1 and 2 and the MIQ_PL scores were 0.269 and 0.407, respectively, whereas the correlation between the IOTN\u2010AC and MIQ_PL was 0.235.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The MIQ_PL is culturally adapted for Polish conditions but demonstrates lower than expected reliability and internal consistency. Further validation in non\u2010clinical settings with a more diverse sample is recommended.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ocr.12906","type":"journal-article","created":{"date-parts":[[2025,2,20]],"date-time":"2025-02-20T12:53:26Z","timestamp":1740056006000},"page":"540-546","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Polish Version of the Malocclusion Impact Questionnaire (<scp>MIQ<\/scp>): Translation, Cross\u2010Cultural Adaptation and Validation"],"prefix":"10.1111","volume":"28","author":[{"given":"Sylwia","family":"Motyl","sequence":"first","affiliation":[{"name":"Department of Maxillofacial Surgery \u201cLudwik Rydygier\u201d Specialist Hospital  Krak\u00f3w Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marta","family":"Gibas\u2010Stanek","sequence":"additional","affiliation":[{"name":"Department of Orthodontics Jagiellonian University Medical College  Krak\u00f3w Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wojciech","family":"St\u00f3s","sequence":"additional","affiliation":[{"name":"Department of Orthodontics Jagiellonian University Medical College  Krak\u00f3w Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8777-7434","authenticated-orcid":false,"given":"Piotr S.","family":"Fudalej","sequence":"additional","affiliation":[{"name":"Department of Orthodontics Jagiellonian University Medical College  Krak\u00f3w Poland"},{"name":"Department of Orthodontics and Dentofacial Orthopedics University of Bern  Bern Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,2,20]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1057\/9781137355621_15"},{"issue":"1","key":"e_1_2_11_3_1","first-page":"3","article-title":"Development and Evaluation of the Oral Health Impact Profile","volume":"11","author":"Slade G. 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