1975
DOI: 10.1016/0003-9969(75)90135-1
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Determination of trace elements in surface enamel of human teeth by a new biopsy procedure

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Cited by 71 publications
(32 citation statements)
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“…In preparation for the biopsy, the maxillary right incisor was isolated with cotton rolls and an adhesive tape (Magic Tape, 810 Scotch 3M) containing a circular perforation (4.0 mm in diameter) was placed on the labial surface of the tooth, delimiting the biopsy site. The sampling site was etched once according to the following procedure: 10 μL of 1.6 moL/L HCl in 70% (v/v) glycerol were applied to the area for 35 s. 3 The biopsy solution was then transferred to a 0.2 mL centrifuge tube (Axygen Scientifi c, Inc., Union City, USA) containing 200 μL of ultrapurifi ed water. The surface was then rinsed twice for 10 s with 10 μL ultrapurifi ed water, which was then transferred to the centrifuge tube, making a fi nal volume of 230 μL.…”
Section: Methodsmentioning
confidence: 99%
“…In preparation for the biopsy, the maxillary right incisor was isolated with cotton rolls and an adhesive tape (Magic Tape, 810 Scotch 3M) containing a circular perforation (4.0 mm in diameter) was placed on the labial surface of the tooth, delimiting the biopsy site. The sampling site was etched once according to the following procedure: 10 μL of 1.6 moL/L HCl in 70% (v/v) glycerol were applied to the area for 35 s. 3 The biopsy solution was then transferred to a 0.2 mL centrifuge tube (Axygen Scientifi c, Inc., Union City, USA) containing 200 μL of ultrapurifi ed water. The surface was then rinsed twice for 10 s with 10 μL ultrapurifi ed water, which was then transferred to the centrifuge tube, making a fi nal volume of 230 μL.…”
Section: Methodsmentioning
confidence: 99%
“…Some modifications to the original biopsy technique 3 were made so as to adapt it to the present sample. These modifications were made after performing a pilot study.…”
Section: Introductionmentioning
confidence: 99%
“…Como os dentes são relativamente estáveis, ou seja, não sofrem remodelação como os ossos, eles registram a história de exposição ao chumbo desde sua mineralização (Brudevold e Steadman, 1956;Brudevold et al, 1975;1977;Cleymaet et al, 1991b;Tvinnereim et al, 2000). Assim, os dentes decíduos e permanentes podem ser utilizados como indicadores da exposição crônica a metais pesados durante a infância (Cleymaet et al, 1991b;Rabinowitz et al, 1991;Tvinnereim et al, 2000).…”
Section: Utilização De Dentes Como Biomarcadores Para Chumbounclassified
“…O teste de esmalte é um procedimento de ataque ácido, utilizando-se 1,6 N HCl em 70% de glicerol. Alguns estudos que a utilizaram em dentes permanentes extraídos (Brudevold et al 1975;Brudevold e Steadman, 1956), sugeriram uma relação entre o chumbo na superfície do esmalte e os níveis de chumbo ambiental. Esta técnica foi posteriormente adaptada para a utilização in vivo para se obter dados de chumbo na superfície do esmalte em dentes permanentes (Cleymaet et al 1991a(Cleymaet et al , 1991b(Cleymaet et al , 1991c(Cleymaet et al , 1991d), e, recentemente, esse procedimento foi adaptado para obter amostras de esmalte de dentes decíduos (Gomes et al, 2004) e com isso, permitir a coleta de dados a respeito da história da exposição ao chumbo por crianças pequenas, com o objetivo do monitoramento de populações.…”
Section: Utilização De Dentes Como Biomarcadores Para Chumbounclassified
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