Birrefringencia da matriz organica do esmalte dentario
TL;DRAbstract
The formation of dental enamel is a complex biological process, which depends on a well-structured organic matrix. Recent evidences indicate that the components of this matrix can interact to form a supramolecular structure. The biological significance of this supramolecular organization is not clearly understood. In part this occurs due to methodological difficulties to perform direct morphological observations of the structured enamel organic matrix. The detection of anisotropic properties by polarizing microscopy has been extensively used to detect and measure the macromolecular organization in ordinary histological sections. The aim of this work was to study the birefringence of enamel organic matrix during the development of rat molar and incisor teeth. Wistar rats with approximately 300g were anesthetized with chloral hydrate and perfused with 2% paraformaldehyde 0.5% glutaraldehyde in 0.2 M phosphate buffer solution, pH 7.2.
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The formation of dental enamel is a complex biological process, which depends on a well-structured organic matrix. Recent evidences indicate that the components of this matrix can interact to form a supramolecular structure. The biological significance of this supramolecular organization is not clearly understood. In part this occurs due to methodological difficulties to perform direct morphological observations of the structured enamel organic matrix. The detection of anisotropic properties by polarizing microscopy has been extensively used to detect and measure the macromolecular organization in ordinary histological sections. The aim of this work was to study the birefringence of enamel organic matrix during the development of rat molar and incisor teeth. Wistar rats with approximately 300g were anesthetized with chloral hydrate and perfused with 2% paraformaldehyde 0.5% glutaraldehyde in 0.2 M phosphate buffer solution, pH 7.2.
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