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Scanning and transmission electron microscope study of pellicle morphogenesis

Scanning and transmission electron microscope study of pellicle morphogenesis abstract – The morphology of pellicle formation was studied using correlated transmission and scanning electron microscopy. Pellicle developed on hydroxyapatite/epoxy resin splints attached to the buccal surfaces of molars and premolars in six young individuals. Splint segments were removed at intervals of 2, 4, 6, 12, 24, and 48 h. Measurements of pellicle thickness revealed that during the first 12 h considerably more material formed on the apatite surfaces than on the epoxy resin areas of the splints. This difference was equalized in 24‐ and 48‐h specimens. Three types of pellicles could be distinguished on the basis of morphologic criteria. A globular pellicle., characterized by a consistent presence of globules of varying size and configuration, seemed to predominate in most subjects. These globules could not be mistaken for bacteria due to their dimensions, contour, and lack of cell walls. A fibrillar pellicle consisted of 3‐ to 7‐nm‐wide fibrils and frequently included some finely globular particles. A granular pellicle displayed a relatively even surface contour and did not exhibit globular or fibrillar structures. In contrast to the two other types, the granular pellicle contained distinct laminations. Apparently, the varying morphology of the early pellicle is a reflection of its complex chemical composition. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Journal of Oral Sciences Wiley

Scanning and transmission electron microscope study of pellicle morphogenesis

LIE, TRYGGVE
European Journal of Oral Sciences , Volume 85 (4) – Aug 1, 1977
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References (29)

Publisher
Wiley
Copyright
Copyright © 1977 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0909-8836
eISSN
1600-0722
DOI
10.1111/j.1600-0722.1977.tb00556.x
Publisher site
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Abstract

abstract – The morphology of pellicle formation was studied using correlated transmission and scanning electron microscopy. Pellicle developed on hydroxyapatite/epoxy resin splints attached to the buccal surfaces of molars and premolars in six young individuals. Splint segments were removed at intervals of 2, 4, 6, 12, 24, and 48 h. Measurements of pellicle thickness revealed that during the first 12 h considerably more material formed on the apatite surfaces than on the epoxy resin areas of the splints. This difference was equalized in 24‐ and 48‐h specimens. Three types of pellicles could be distinguished on the basis of morphologic criteria. A globular pellicle., characterized by a consistent presence of globules of varying size and configuration, seemed to predominate in most subjects. These globules could not be mistaken for bacteria due to their dimensions, contour, and lack of cell walls. A fibrillar pellicle consisted of 3‐ to 7‐nm‐wide fibrils and frequently included some finely globular particles. A granular pellicle displayed a relatively even surface contour and did not exhibit globular or fibrillar structures. In contrast to the two other types, the granular pellicle contained distinct laminations. Apparently, the varying morphology of the early pellicle is a reflection of its complex chemical composition.

Journal

European Journal of Oral Sciences – Wiley

Published: Aug 1, 1977

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