Odontologia
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Navegando Odontologia por Autor "Bacha, Lara"
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Artigo Científico Acesso aberto Análise de medidas angulares e lineares relacionadas à erupção e impacção de terceiros molares inferiores(2017) Bacha, LaraObjectives: to evaluate which linear and angular measures are associated with impaction and eruption of lower third molars. Material and methods: the survey was a cross-sectional observational study. The material consisted of panoramic radiographs performed prior to orthodontic treatments, of men and women between 18 and 40 years of age. After 287 sample selection participants were divided into 2 groups according to the third lower molar: erupted and impacted. Linear and angular measurements were carried out regarding third molars in panoramic radiograph. The T independent test was used to compare the mean values obtained for each analyzed variable in relation to the eruption or dental impacting situation, a confidence interval of 95%. The Chi-Square test was used to evaluate the mean values of the measures assessed according to gender and their relation to the tooth situation. Results: All the parameters evaluated showed a statistically significant difference when comparing the two groups (p<0.05). The retromolar space in impacted teeth was significantly decreased in relation to erupted teeth. The angulation beta was higher in impacted teeth, with a statistically significant difference (p<0.05). No statistically significant difference was found between genre and tooth status. Only the alpha and beta angulations are not related with the genders. Conclusion: all the measurements performed on the panoramic radiographs have relationship with the eruption and impaction of the lower third molars. Reduced retromolar space influences on impaction, as well as lower alpha angulation and major beta angulation. The gender does not influence the situation of the lower third molars, however, with the exception of alpha and beta angulation, the parameters differ when compared to the female and male.