Histomorphological study of submandibulary glands of rat submitted to low dosage of x-radiation

Histomorphological study of submandibulary glands of rat submitted to low dosage of x-radiation

The minimal dosage of X-ray that is likely to induce cellular alterations is unknown and there are just a few reports with low dosage in odontologic literature. The authors developed a histomorphological analysis of the submandibulary glands of rat that received low dosage of X-radiation. The body o...

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Veröffentlicht in:Revista de Odontología da UNESP 1996-12, Vol.25 (2), p.259-267
Hauptverfasser: Navarro, C M, Chan, C, Onofre, MA, De C.L. Cordeiro, R, Raveli, D B
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creator Navarro, C M
Chan, C
Onofre, MA
De C.L. Cordeiro, R
Raveli, D B
description The minimal dosage of X-ray that is likely to induce cellular alterations is unknown and there are just a few reports with low dosage in odontologic literature. The authors developed a histomorphological analysis of the submandibulary glands of rat that received low dosage of X-radiation. The body of the animals was covered with a lead lamin leaving the cervical area uncovered. The submandibular glands were exposed to 1,80 Gy of X radiation in a single dose. After 24, 48, 72 hours, 7, 14 and 21 days the glands were excised, fixed and prepared for analysis in light microscopy. Mild degenerative changes and nuclear pleomorfism, mainly on the first three experimental periods were observed.
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title Histomorphological study of submandibulary glands of rat submitted to low dosage of x-radiation
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