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1.
Article in Spanish | LILACS | ID: biblio-844750

ABSTRACT

Objetivo: El objetivo de este estudio fue determinar las consecuencias clínicas expresadas en índices COPD y ceod y su relación con la presencia de hipomineralización incisivo molar (HIM) en una población de escolares de 6 a 12 años de la provincia de Santiago. Método: Este estudio de corte transversal fue realizado en 851 escolares de 6 a 12 años de la provincia de Santiago, quienes fueron evaluados por 2 dentistas calibrados. Con consentimiento de los tutores legales, los escolares fueron examinados, y se utilizaron los criterios diagnósticos para HIM de la Academia Europea de Odontopediatría (EAPD). La historia de caries fue determinada con COPD/ceod de acuerdo a los criterios de la OMS. Los datos fueron recolectados en una ficha especialmente diseñada para esto. Los datos fueron analizados con test «t¼ para muestras individuales (considerando p < 0,05). Resultados: Los escolares afectados por HIM tuvieron una media de COPD de 0,91 (±1,21) y una media de ceod de 1,98 (±2,48), el cual fue mayor que el COPD y ceod de escolares sin HIM (0,41 [±0,95] y 1,34 [±2,15] respectivamente). La diferencia entre ambos grupos fue estadísticamente significativa para COPD (p < 0,000) y ceod (p = 0,002). Conclusiones: Escolares de la provincia de Santiago de 6 a 12 años afectados con HIM presentaron mayor COPD/ceod que escolares sin HIM.


Objective. The aim of this study was to determine the clinical consequences, expressed in DMFT and dmft, and their relationship with Molar Incisor Hypomineralisation (MIH) in a population of schoolchildren of 6 to 12 years old in the Santiago Province. Method: A cross-sectional study was conducted on 851 schoolchildren between 6-12 years old from the Santiago Province were examined by two calibrated examiners. With informed consent from their parents, the schoolchildren were examined, and the European Academy of Paediatric Dentistry (EAPD) diagnostic criteria was used for MIH detection. Caries history was assessed with the DMFT/dmft score according to WHO criteria. Data was collected with a form specially designed for this study. Data was analysed using Student's t-test for individual samples and a post-hoc Bonferroni (P < .05). Results: The mean DMFT score in the MIH-affected schoolchildren was 0.91 (±1.21), with a mean dmft score of 1.98 (±2.48), which were greater than the scores in the non-MIH affected schoolchildren (mean DMFT score 0.41 [±0.95] and mean dmft 1.34 [±2.15]). The differences between DMFT and dmft scores in the two groups were statistically significant (P < .000 and P = .002, respectively). Conclusions: Schoolchildren of Santiago Province of 6-12 year old diagnosed with MIH had higher DMFT/dmft scores compared to schoolchildren not affected with MIH.


Subject(s)
Humans , Male , Female , Child , Dental Caries/epidemiology , Dental Caries/etiology , Tooth Demineralization/complications , Tooth Demineralization/epidemiology , Chile , DMF Index , Tooth Diseases/epidemiology , Tooth Diseases/etiology
2.
Actas odontol ; 8(2): 36-42, dic. 2011.
Article in Spanish | LILACS, BNUY | ID: lil-613892

ABSTRACT

Las manchas extrínsecas negras son consideradas un tipo especial de placa calcificada y pueden aparecer en dientes temporarios alrededor de los 2 ó 3 años de edad. Se extienden en forma paralela al margen gingival y pueden presentarse como puntos aislados o líneas continuas, principalmente sobre las caras libres.De acuerdo a investigaciones recientes, en la formación de estos depósitos estaría involucrado el ActinobacillusActinomycetemcomitans; mientras que desde el punto de vista bioquímico se encontró una elevada concentración de iones calcio y fosfato que disminuirían la solubilidad del esmalte.La presente revisión tuvo por objetivo recopilar y exponer los estudios publicados acerca las pigmentaciones extrínsecas negras, su etiología, prevalencia y relación con la baja incidencia de caries.


Black tooth stains are considered a specific type of calculus formation that may appear in deciduous dentition between the age of 2 to 3 years old. Characterized by dark dots or lines localized parallel to the gingival margin, mainly on clean tooth surfaces.Recent research studies suggest that Actinobacillus Actinomycetemcomitans plays an important role in the formation of these deposits; from a biochemical point of view it was found that high calcium and phosphate ion concentrations in saliva reducesenamel solubility. The aim of this review was to collect and analyze published studies on extrinsic tooth discoloration, its etiology, prevalence andrelation to low caries incidence.


Subject(s)
Child, Preschool , Child , Adolescent , Tooth Discoloration/etiology , Tooth Discoloration/microbiology , Tooth Demineralization/complications , Dental Calculus , Age Factors
3.
J. bras. ortodon. ortop. facial ; 9(51): 272-275, maio-jun. 2004. CD-ROM, graf
Article in Portuguese | LILACS, BBO | ID: lil-442663

ABSTRACT

Este estudo levou a determinar a incidência e severidade das manchas brancas desmineralizadas em dentes após tratamento ortodôntico. A amostra constituiu-se de 60 pacientes do Hospital de Reabilitação de Anomalias Craniofaciais, da Universidade de São Paulo, examinados após a remoção de bandas e braquetes ao fim do tratamento ortodôntico. Os resultados demonstraram que, durante o tratamento ortodôntico, houve uma significativa freqüência de manchas brancas, principalmente no terço cervical das faces vestibulares. Entre os dentes, a freqüência foi alta em primeiros molares superiores e primeiros molares inferiores, seguidos dos pré-molares superiores e pré-molares inferiores, enquanto que os menos afetados foram os incisivos inferiores. Em muitos casos, não se atingiu um dos objetivos do tratamento ortodôntico, que é o de conseguir um resultado estético agradável


Subject(s)
Humans , Adolescent , Adult , Dental Caries/complications , Dental Enamel , Tooth Demineralization/complications , Orthodontic Appliances , Orthodontic Brackets , Withholding Treatment
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