{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:22:05Z","timestamp":1760149325022,"version":"build-2065373602"},"reference-count":51,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2023,7,29]],"date-time":"2023-07-29T00:00:00Z","timestamp":1690588800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Children"],"abstract":"<jats:p>Introduction: Malocclusions have a negative impact on oral-health-related quality of life (OHRQoL). Posterior cross-bite is one of the most prevalent malocclusions in the preadolescent population. This study investigated the influence of posterior cross-bites (unilateral or bilateral) on OHRQoL in an 11- to 14-year-old population. Materials and Methods: A pilot case\u2013control study was carried out at the Dental Clinic of the University of Salamanca between 2021 and 2023. A consecutive sample of 120 preadolescent patients aged 11 to 14 years old was recruited. Three groups were analyzed: a control group (no posterior cross-bite) (n = 40), a group with unilateral posterior cross-bite (n = 40), and a group with bilateral posterior cross-bite (n = 40). To analyze the OHRQoL, the Spanish version of the Child Perception Questionnaire (CPQ-Esp11\u201314) was used. Results: The mean age of the sample was 12.2 years old (\u00b10.96 years). The group of patients with a bilateral posterior cross-bite was shown to have higher scores in all dimensions of the CPQ-Esp11\u201314, as well as a higher total score. Sex only influenced the oral symptom dimension of the CPQ-Esp11\u201314 questionnaire; in this dimension, the girls described a greater impact. Age did not influence OHRQoL. Conclusion: The presence of a posterior cross-bite had a negative impact on OHRQoL in the preadolescent population that was studied.<\/jats:p>","DOI":"10.3390\/children10081311","type":"journal-article","created":{"date-parts":[[2023,7,31]],"date-time":"2023-07-31T01:28:46Z","timestamp":1690766926000},"page":"1311","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Cross-Bite and Oral-Health-Related Quality of Life (OHRQoL) in Preadolescents Aged 11 to 14 Years Old: A Pilot Case-Control Study"],"prefix":"10.3390","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4403-4216","authenticated-orcid":false,"given":"Adri\u00e1n","family":"Curto","sequence":"first","affiliation":[{"name":"Department of Surgery, Faculty of Medicine, University of Salamanca, Alfonso X El Sabio Avenue s\/n, 37007 Salamanca, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6857-7629","authenticated-orcid":false,"given":"Alberto","family":"Albaladejo","sequence":"additional","affiliation":[{"name":"Department of Surgery, Faculty of Medicine, University of Salamanca, Alfonso X El Sabio Avenue s\/n, 37007 Salamanca, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alfonso","family":"Alvarado-Lorenzo","sequence":"additional","affiliation":[{"name":"Department of Surgery, Faculty of Medicine, University of Salamanca, Alfonso X El Sabio Avenue s\/n, 37007 Salamanca, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"\u00c1lvaro","family":"Zubizarreta-Macho","sequence":"additional","affiliation":[{"name":"Department of Surgery, Faculty of Medicine, University of Salamanca, Alfonso X El Sabio Avenue s\/n, 37007 Salamanca, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel","family":"Curto","sequence":"additional","affiliation":[{"name":"Department of Pathology, 12 de Octubre University Hospital, C\u00f3rdoba Avenue s\/n, 28041 Madrid, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,7,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"357","DOI":"10.1093\/ejo\/cjn128","article-title":"Prevalence of a posterior crossbite and sucking habits in Brazilian children aged 18\u201359 months","volume":"31","author":"Macena","year":"2009","journal-title":"Eur. 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