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Ectopic Eruption of Maxillary First Permanent Molars: Preliminary Results of Prevalence and Dentoskeletal Characteristics in Spanish Paediatric Population

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Helm, Alexandra & Martin Vacas, Andrea & Molinero Mourelle, Pedro & Caleya, Antonia M. & Gallardo, Nuria E. & Mourelle Martínez, María Rosa .Ectopic Eruption of Maxillary First Permanent Molars: Preliminary Results of Prevalence and Dentoskeletal Characteristics in Spanish Paediatric Population.

ISO 690

Helm, Alexandra & Martin Vacas, Andrea & Molinero Mourelle, Pedro & Caleya, Antonia M. & Gallardo, Nuria E. & Mourelle Martínez, María Rosa. Ectopic Eruption of Maxillary First Permanent Molars: Preliminary Results of Prevalence and Dentoskeletal Characteristics in Spanish Paediatric Population.

https://hdl.handle.net/20.500.12080/25301
dc.contributor.author Helm, Alexandra
dc.contributor.author Martin Vacas, Andrea
dc.contributor.author Molinero Mourelle, Pedro
dc.contributor.author Caleya, Antonia M.
dc.contributor.author Gallardo, Nuria E.
dc.contributor.author Mourelle Martínez, María Rosa
dc.date.accessioned 2021-08-30T13:35:32Z
dc.date.available 2021-08-30T13:35:32Z
dc.date.created 2021-06-06
dc.identifier.uri https://hdl.handle.net/20.500.12080/25301
dc.description.abstract The ectopic eruption of the maxillary first permanent molar (EEM) is a local alteration of dental eruption with a multifactorial aetiology. The aims of our study were to determine the prevalence of the EEM in children and to analyse whether there is a relationship between EEM and dento-skeletal characteristics. A total of 322 children were analysed with the Ricketts cephalometric study and descriptive and analytical statistical analysis was carried out. The prevalence of EEM was 8.7%, with no statistically significant differences regarding gender or location, but a higher prevalence in the 7-year-old age group (18.8%) and bilateral EEM was more prevalent than unilateral EEM (p < 0.05). The most frequent findings were a shortened anterior cranial base, a retroposition of the maxilla and a distal position of the upper permanent first molar in relation to the pterygoid vertical in children with EEM. No statistically significant differences were found regarding the cephalometric parameters except a decreased palatal plane in the bilateral EEM group and a distal upper incisor position in the EEM group (p < 0.05). In conclusion, the prevalence of the EEM was 8.7%, more frequently bilateral, and significantly in seven-year-old patients. Children with bilateral EEM have decreased palatal plane values and a more posterior position of the upper incisor. Keywords: tooth eruption; ectopy; eruption; molar; first permanent molar; orthodontics interceptive; patient care planning; children es_ES
dc.format application/pdf es_ES
dc.language eng es_ES
dc.rights CC-BY es_ES
dc.rights.uri http://creativecommons.org/licenses/by/4.0/deed.es es_ES
dc.title Ectopic Eruption of Maxillary First Permanent Molars: Preliminary Results of Prevalence and Dentoskeletal Characteristics in Spanish Paediatric Population es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.rights.accessrights info:eu-repo/semantics/openAccess es_ES
dc.identifier.location N/A es_ES


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