6 documents found, page 1 of 1
Endodontic Retreatment Using a Single Instrument from four Nickel-Titanium Syst...
Azevedo,Marco Antonio Diniz; Silva,Thiago Gomes da; Fernandes,Ângela; Piasecki,Lucila; Fariniuk,Luiz Fernando; Silva Neto,Ulisses Xavier daAbstract This study evaluated the efficiency of using a single instrument from three different rotary multi-file systems and compared them with that of a reciprocating single-file for endodontic retreatment by means of micro-CT. Sixty extracted canines were prepared using a size F2 ProTaper Universal file and obturated. After 30 days of storage at 37ºC and 100% humidity, the teeth were randomly divided into fou...
Absorbed doses in salivary and thyroid glands from panoramic radiography and co...
Heiden,Katia Regina; Rocha,Anna Silvia Penteado Setti da; Filipov,Danielle; Salazar,Cristina Berrocal; Fernandes,Ângela; Westphalen,Fernando HenriqueAbstract Introduction: Panoramic radiography and cone beam computed tomography (CBCT) are very important in the diagnosis of oral diseases, however patients are exposed to the risk of ionizing radiation. This paper describes our study aimed at comparing absorbed doses in the salivary glands and thyroid due to panoramic radiography and CBCT and estimating radiation induced cancer risk associated with those metho...
GENOTOXICIDADE E CITOTOXICIDADE DOS RAIOS X EM CRIANÇAS SUBMETIDAS À RADIOGRAFI...
Antonio,Evelyn Louise; Nascimento,Aguinaldo José do; Lima,Antonio Adilson Soares de; Leonart,Maria Suely Soares; Fernandes,ÂngelaRESUMO Objetivo: Analisar a genotoxicidade e a citotoxicidade produzidas por raios X no epitélio da mucosa oral de crianças durante a obtenção da radiografia panorâmica. Métodos: A amostra foi constituída por 30 crianças saudáveis, sendo 19 do sexo feminino e 11 do masculino, com faixa etária de 4 a 10 anos (média de 7 anos de idade). As células epiteliais da mucosa oral foram coletadas por meio de citologia es...
Dental development of children and adolescents with cleft lip and palate
Topolski,Francielle; Souza,Rafael Boscheti de; Franco,Ademir; Cuoghi,Osmar Aparecido; Assunção,Luciana Reichert da Silva; Fernandes,ÂngelaAim: To evaluate the dental development of Brazilian children and adolescents with cleft lip and palate. Methods: The sample consisted of 107 panoramic radiographs of children and adolescents with cleft lip and/or palate (cleft group) and 107 panoramic radiographs of children and adolescents without cleft lip and/or palate (control group), with chronological ages ranging from 6 to 15 years, matched in gender an...
Avaliação radiográfica da idade óssea em crianças infectadas pelo HIV por via v...
Oliveira,Helena Willhelm de; Veeck,Elaine Bauer; Souza,Paulo Henrique Couto; Fernandes,ÂngelaOBJETIVO: O presente trabalho teve por objetivo avaliar o desenvolvimento de crianças infectadas pelo vírus da imunodeficiência adquirida (HIV) por contaminação vertical, comparando-se dois métodos determinantes da idade óssea. MATERIAIS E MÉTODOS: Analisou-se uma amostra de 100 crianças, com idades variando de 4 anos e 2 meses a 11 anos e 9 meses, que realizaram radiografias de mão e punho tecnicamente padroni...
Comparison among dental, skeletal and chronological development in HIV-positive...
Holderbaum,Rejane Maria; Veeck,Elaine Bauer; Oliveira,Helena Willhelm; Silva,Carmem Lúcia; Fernandes,ÂngelaThe goal of this study was to evaluate skeletal, dental and chronological development in an HIV-positive group of children, as compared with a control group, during a four-year period. Panoramic radiographs and hand and wrist radiographs of 60 children were taken. The children, of both sexes, aged 5 years and 2 months to 15 years and 5 months, were selected as follows: 30 HIV-positive volunteers who had acquire...