Odontomas are odontogenic tumours of the jaws; they are generally asymptomatic with an unknown aetiology. This study was conducted on non-syndromic children aged 9 to 14 years to explore the side effects deriving from the presence of these benign tumours, as retention, transmigration, ectopic eruption of permanent teeth and the permanence of primary teeth in the affected area.
Two hundred panoramic (OPT) and 92 Cone Beam Computed Tomography radiographs (CBCT) of patients (130 males and 70 females) were analysed from February 2018 to December 2019. Two hundred odontomas (145 compound and 55 complex type) and 800 teeth (160 primary and 640 permanent) were included.
The prevalence of these tumours in both male and female subjects was 65% and 35%, respectively; the prevalence of compound odontomas in maxillary and mandibular bones was respectively 27.58% and 72.41%. The prevalence of complex odontomas in maxillary bones in female and male subjects was 37.5% and 62.5% respectively. It was observed the presence of a primary tooth in 81% of cases, the presence of retained teeth in 16.5% and a dental transmigration in the remaining 2.5% of cases in the compound type. Gender (p?=0.158) has no significant correlation.
An early diagnosis and removal of odontomas in primary dentition is crucial in order to prevent later dental complications. Since the detection of odontomas is mainly an accidental radiological finding, the need for routine radiographic analysis should be highlighted.
Vol.22 – n.3/2021
Harvard: P. M. Marra, L. Nucci, A. Itro, R. Santoro, A. Marra, L. Perillo, V. Grassia (2021) "Prevalence of retained/transmigrated permanent and persistence of primary teeth associated with odontomas in young children", European Journal of Paediatric Dentistry, 22(3), pp215-218. doi: 10.23804/ejpd.2021.22.03.7
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