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Considering recent literature, it is possible to hypothesise a link between dental anomalies and ocular and/or cutaneous findings, given the existence of shared genetic and developmental mechanisms between these two anatomical areas. Both the eye and teeth develop from ectodermal and mesenchymal tissues, involving common molecular signalling pathways such as Wnt, BMP and PAX. Genetic variants affecting these pathways can therefore determine combined phenotypes, such as congenital cataracts associated with dental agenesis or enamel malformations. Some rare genetic syndromes, such as Nance-Horan syndrome and oculofacio-cardio-dental (OFCD) syndrome, support the hypothesis of a systemic correlation between odontogenesis and ocular development. In a previous study on congenital cataracts, nearly 10% of probands with variants in the BCOR, CWC27, IFIH1, NHS, and PAX6 genes had various dental abnormalities. Therefore, exploring the possible connection between eye and dental diseases may not only facilitate early and multidisciplinary diagnosis, but also open up new perspectives in genetic research and the development of personalised therapeutic approaches, for which whole genome sequencing (WGS) appears to be the first choice for investigating non-syndromic forms. Therefore, the current clinical study aims to identify variants in genes common to eye diseases and dental anomalies (agenesis, supernumerary teeth, Hutchinson's teeth, mulberry molars) in orthodontic patients over the age of 12 with dental anomalies who are about to begin orthodontic treatment or who are attending routine check-ups at the Orthodontics and Paediatric Dentistry Unit, Department of Clinical, Surgical, Diagnostic and Paediatrics Sciences at the University of Pavia who have a family history of ocular and cutaneous manifestations or presenting at the same time dental, ocular and/or cutaneous anomalies. Patients who are eligible will be invited to participate in the study. After signing the informed consent form, the Case Report Form will be completed to collect the data of interest for the study; previous medical reports will be asked to patients or parents/legal guardians in case of minors to ascertain ocular and cutaneous pathologies; a buccal swab will be taken to collect a DNA sample that will be analysed with Next Generation Sequencing. In addition, cephalometric evaluations will be performed if lateral teleradiographs will be available, if already performed in accordance with Good Clinical Practice for the purposes of orthodontic assessment of patients.
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5 participants in 1 patient group
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Andrea Scribante
Data sourced from clinicaltrials.gov
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