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The aim of this study was to cross-culturally adapt the parent-reported version for toddlers of PedsQL\u2122 Oral Health Scale into Spanish and to assess the acceptability, reliability and validity of this version in Chilean preschool population.<\/jats:p>\n<\/jats:sec><jats:sec>\n<jats:title>Methods<\/jats:title>\n<jats:p>The PedsQL\u2122 Oral Health Scale for toddlers was cross-culturally adapted for the Spanish language using the recommended standards. To assess metric properties, a cross-sectional study was carried out with 301 children aged 2 to 5\u2009years in Carahue, Chile. Chilean versions of the PedsQL\u2122 Oral Health Scale, PedsQL\u2122 4.0 Generic Core Scales, and Early Childhood Oral Health Impact Scale (ECOHIS) were completed by the children\u2019s parents. Dental caries, malocclusion and dental trauma were examined by trained dentists. The PedsQL\u2122 Oral Health Scale was administrated a second time 14\u201321\u2009days after. The reliability of the scale was verified by analysis of internal consistency (Cronbach\u2019s alpha) and reproducibility (Intraclass correlation coefficient \u2013 ICC). The validity of the construct was assessed by confirmatory factor analysis and known groups method. The convergent validity was assessed by calculating the Spearman\u2019s correlation with the ECOHIS questionnaire.<\/jats:p>\n<\/jats:sec><jats:sec>\n<jats:title>Results<\/jats:title>\n<jats:p>The PedsQL\u2122 Oral Health Scale demonstrated good reliability, with Cronbach\u2019s alpha coefficient of 0.79 and ICC of 0.85. A moderate-to-strong correlation was found between the PedsQL\u2122 Oral Health Scale and the ECOHIS questionnaire (\u2212\u20090.64); the PedsQL\u2122 Oral Health Scale score was lower in children with poor than those with excellent\/very good oral health (median 100 vs 85, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001); it also was lower in children with caries than in those caries-free (median 100 vs 90, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). No statistically significant differences were found among groups according to malocclusion and traumatic dental injuries.<\/jats:p>\n<\/jats:sec><jats:sec>\n<jats:title>Conclusions<\/jats:title>\n<jats:p>The PedsQL\u2122 Oral Health Scale for toddlers in Spanish showed to be equivalent to the original version, and its psychometric properties were satisfactory for application in a Chilean pre-school population.<\/jats:p>\n<\/jats:sec>","DOI":"10.1186\/s12903-019-0984-1","type":"journal-article","created":{"date-parts":[[2020,1,6]],"date-time":"2020-01-06T14:02:46Z","timestamp":1578319366000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Adaptation and validation of the PEDSQL\u2122 oral health scale for toddlers in Chilean population"],"prefix":"10.1186","volume":"20","author":[{"given":"Claudia","family":"Atala-Acevedo","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6942-6956","authenticated-orcid":false,"given":"Carlos","family":"Zaror","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gerardo","family":"Espinoza-Espinoza","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patricia","family":"Mu\u00f1oz-Mill\u00e1n","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sergio","family":"Mu\u00f1oz","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mar\u00eda Jos\u00e9","family":"Mart\u00ednez-Zapata","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Montse","family":"Ferrer","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,1,6]]},"reference":[{"key":"984_CR1","doi-asserted-by":"publisher","first-page":"1881","DOI":"10.1007\/s00784-015-1681-3","volume":"20","author":"L Kragt","year":"2016","unstructured":"Kragt L, Dhamo B, Wolvius EB, Ongkosuwito EM. 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Informed written consent was obtained from all parents to consider their child\u2019s participation in the study. In addition and as requested by the ethics committee, verbal consent was obtained from all preschoolers to consider their participation given their young age and their inability to consent in writing.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare that they have no competing interest. Carlos Zaror is Associate Editor for BMC Oral Health.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"6"}}