RESUMO
AIM: This study compared enamel defects in children born prematurely and at term. METHOD: 96 children born at term (G1), and with 96 children born prematurely (G2) were studied. RESULTS: A higher prevalence of enamel defects was found in the premature group, with a predominance of hypoplasia. In G1, 64 teeth displayed enamel defects (51 opacities and 13 hypoplasias). In G2, 110 defective teeth were found, (29 opacities and 81 hypoplasias). A significant correlation was found between very low birth weight (VLBW) and the presence of these defects (p < or = 0.001). The teeth most affected were the incisors, canines and molars. CONCLUSION: Prematurity, in conjunction with other factors, can predispose children to enamel defects.
Assuntos
Hipoplasia do Esmalte Dentário , Esmalte Dentário/anormalidades , Recém-Nascido de Baixo Peso , Recém-Nascido Prematuro , Estudos de Casos e Controles , Hipoplasia do Esmalte Dentário/epidemiologia , Feminino , Humanos , Recém-Nascido , Masculino , Fatores de Risco , Dente Decíduo/anormalidadesRESUMO
This study aimed to validate clinical analysis of 20 pediatric dentists on occlusal groove-fossa-system of molar depth comparing to Cone-beam tomography. The 48 sound third molars were visually classified from the shallowest to the deepest. Images were taken from the Accuitomo 3DX. There was a fair correlation between clinical analysis and the tomographic scorings (rs = 0.238; P = 0.103). It was concluded that pediatric dentists were not able to classify the fissures depth by visual analysis correctly.
Assuntos
Tomografia Computadorizada de Feixe Cônico/métodos , Esmalte Dentário/diagnóstico por imagem , Fissuras Dentárias/diagnóstico por imagem , Dente Serotino/diagnóstico por imagem , Fatores Etários , Competência Clínica , Tomografia Computadorizada de Feixe Cônico/instrumentação , Esmalte Dentário/patologia , Fissuras Dentárias/patologia , Dentina/diagnóstico por imagem , Dentina/patologia , Humanos , Processamento de Imagem Assistida por Computador/instrumentação , Processamento de Imagem Assistida por Computador/métodos , Imageamento Tridimensional/instrumentação , Imageamento Tridimensional/métodos , Dente Serotino/patologia , Variações Dependentes do Observador , Odontopediatria/normas , Fatores de Tempo , Percepção Visual/fisiologiaRESUMO
The aim of this article is to characterize the biological aspects of oral strains of C. albicans in children with Down's syndrome. These yeasts were analyzed as to their macromorphological and enzymatic aspects and were tested as to their in vitro susceptibility to antifungal drugs using broth microdilution to determine the minimum inhibitory concentration (MIC). The morphotyping revealed that all oral C. albicans isolates from children with Down's syndrome promoted the formation of fringes regardless of size, while the control group presented smaller fringes. All oral C. albicans strains produced proteinase, but those with phospholipolytic activity showed greater enzyme capacity in the test group. In vitro susceptibility showed that all oral C. albicans isolates were sensitive to the drugs used.
Assuntos
Antifúngicos/farmacologia , Candida albicans/genética , Candidíase Bucal/microbiologia , Síndrome de Down/microbiologia , Fenótipo , Candida albicans/efeitos dos fármacos , Candida albicans/enzimologia , Estudos de Casos e Controles , Criança , Humanos , Testes de Sensibilidade Microbiana , Peptídeo Hidrolases/biossíntese , Fosfolipases/biossínteseRESUMO
The aim of this article is to characterize the biological aspects of oral strains of C. albicans in children with Down's syndrome. These yeasts were analyzed as to their macromorphological and enzymatic aspects and were tested as to their in vitro susceptibility to antifungal drugs using broth microdilution to determine the minimum inhibitory concentration (MIC). The morphotyping revealed that all oral C. albicans isolates from children with Down's syndrome promoted the formation of fringes regardless of size, while the control group presented smaller fringes. All oral C. albicans strains produced proteinase, but those with phospholipolytic activity showed greater enzyme capacity in the test group. In vitro susceptibility showed that all oral C. albicans isolates were sensitive to the drugs used.
O objetivo deste artigo foi caracterizar os aspectos biológicos de cepas de C. albicans orais em crianças com síndrome de Down. Estas leveduras foram analisadas quanto aos seus aspectos macromorfológicos e enzimáticos e foram testadas quanto a sua suscetibilidade in vitro a drogas antifúngicas, usando a microdiluição em caldo para a determinação da concentração inibitória mínima (CIM). A morfotipagem revelou que todos os isolados de C. albicans orais de crianças com síndrome de Down induziram à formação de franjas independente do tamanho, enquanto o grupo controle teve franjas menores. Todas as cepas de C. albicans orais produziram proteinase, mas aquelas com atividade fosfolipidolítica mostraram maior capacidade enzimática no grupo teste. A suscetibilidade in vitro mostrou que todos os isolados de C. albicans orais foram sensíveis a drogas empregadas.
Assuntos
Humanos , Criança , Antifúngicos/farmacologia , Candida albicans/genética , Candidíase Bucal/microbiologia , Síndrome de Down/microbiologia , Fenótipo , Estudos de Casos e Controles , Candida albicans/efeitos dos fármacos , Candida albicans/enzimologia , Testes de Sensibilidade Microbiana , Peptídeo Hidrolases/biossíntese , Fosfolipases/biossínteseRESUMO
Three clinical cases of odontoma were detected in 2 children and 1 adolescent. The tumors were surgically removed. Clinical suspicion was based on facial deformity in one of the cases and on the absence of permanent tooth eruption in the other two. Radiographic evidence of odontoma was confirmed through histological study.