{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T10:25:54Z","timestamp":1784111154685,"version":"3.55.0"},"reference-count":28,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2019,2,14]],"date-time":"2019-02-14T00:00:00Z","timestamp":1550102400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001807","name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo","doi-asserted-by":"publisher","award":["2015\/06866\u20105"],"award-info":[{"award-number":["2015\/06866\u20105"]}],"id":[{"id":"10.13039\/501100001807","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001807","name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo","doi-asserted-by":"publisher","award":["2015\/09034\u20100"],"award-info":[{"award-number":["2015\/09034\u20100"]}],"id":[{"id":"10.13039\/501100001807","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Paed Dentistry"],"published-print":{"date-parts":[[2019,5]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Tooth eruption is a process that is not fully understood.<\/jats:p><\/jats:sec><jats:sec><jats:title>Aim<\/jats:title><jats:p>To evaluate whether genetic polymorphisms for <jats:styled-content style=\"fixed-case\">RANK<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">RANKL<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">OPG<\/jats:styled-content> are associated with delayed tooth emergence. To evaluate whether the relative expression of this genes is associated with persistent primary teeth.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>To evaluate whether genetic polymorphisms for <jats:styled-content style=\"fixed-case\">RANK<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">RANKL<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">OPG<\/jats:styled-content> could be involved in delayed tooth emergence, saliva samples from 160 children, aged 6\u201013\u00a0years old, were analysed. To test if there is correlation between gene expression of <jats:styled-content style=\"fixed-case\">RANK<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">RANKL<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">OPG<\/jats:styled-content> in children with delayed tooth emergence and persistent primary teeth, periapical tissue from 15 children with persistent primary teeth and from 15 control subjects were collected for <jats:styled-content style=\"fixed-case\">qPCR<\/jats:styled-content> analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Fifty\u2010six children with delayed tooth emergence (35%) had at least one permanent tooth with delayed emergence. The T allele in <jats:italic><jats:styled-content style=\"fixed-case\">RANKL<\/jats:styled-content><\/jats:italic> (rs9594738) increased the risk of delayed tooth emergence (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.02; <jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content>\u00a0=\u00a01.71, 95%<jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> 1.09\u20102.75). The relative gene expression for <jats:styled-content style=\"fixed-case\">RANKL<\/jats:styled-content> and the ratio <jats:styled-content style=\"fixed-case\">RANKL<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">OPG<\/jats:styled-content> in children with delayed tooth emergence and persistent primary teeth were lower compared to controls (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.02 and <jats:italic>P<\/jats:italic>\u00a0=\u00a00.005, respectively).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Data suggest that the polymorphism rs9594738 in <jats:italic><jats:styled-content style=\"fixed-case\">RANKL<\/jats:styled-content><\/jats:italic> is associated with delayed permanent tooth emergence. Moreover, reduced relative gene expression of <jats:styled-content style=\"fixed-case\">RANKL<\/jats:styled-content> in periapical tissue is associated with persistent primary teeth.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ipd.12467","type":"journal-article","created":{"date-parts":[[2019,1,18]],"date-time":"2019-01-18T06:20:19Z","timestamp":1547792419000},"page":"294-300","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["<scp>RANKL<\/scp> is associated with persistent primary teeth and delayed permanent tooth emergence"],"prefix":"10.1111","volume":"29","author":[{"given":"Juliana","family":"Arid","sequence":"first","affiliation":[{"name":"Department of Pediatric Dentistry University of S\u00e3o Paulo \u2010 School of Dentistry of Ribeir\u00e3o Preto  Ribeir\u00e3o Preto S\u00e3o Paulo 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