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KMID : 0362719710090060293
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Journal of the Korean Dental Association
1971 Volume.9 No. 6 p.293 ~ p.296
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EXPERIMENTAL STUDY ON EFFECTS OF GOLD ALLOYS CROWN MARGIN IN THE RABBIT´S PERIODONTIUM
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Abstract
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Histochemical observations on the effect of gold alloys crown margin in the periodontal membrane were caried out by use of rabbits.
The animal were setted with gold alloys crown on the incisor teeth. The cervical margins were given extence into gingival sockets. The animals were sacrificed at the 30 days experimsnted period. Sp5cimens of tissue were obtained from the mandibular incisor teeth with jaw. All tissues were fixed immediately in 10% neutral formalin solution.
Different histochemical staining methods for the determination of fibrous components were the Mallory-Heidenhain, Bielschowsky-Gomori, Gomori´s aldehyde fuchsin. Periodic acid-Schiff reaction and Hematoxylin eosin stanin method.
The results were as follows.
The periodontal membrane is composed primarily of collagenous fibers and fibrous component run functional arrangement but in lower gold content groups, horizontal fiber groups were irregularly run.
Elastic fibers were obligue run in experimental groups.
There were no significant differences in reticularfibers in distribution.
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