1968
DOI: 10.1016/0003-9969(68)90075-7
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A microradiographic comparison of sound and carious human dental cementum

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1969
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Cited by 62 publications
(31 citation statements)
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“…The progression of the lesion in ce mentum along the Sharpey fibers, which seemed to provide pathways for penetration, has been described [Furseth and Johansen, 1970;Jones, 1987]. In fact, it has been clearly shown in the present study that bacte rial penetration in cementum seemed to follow the borders between more or less parallel calcified col lagen bundles of extrinsic and intrinsic fibers as well as incremental lines.…”
Section: Discussionsupporting
confidence: 52%
“…The progression of the lesion in ce mentum along the Sharpey fibers, which seemed to provide pathways for penetration, has been described [Furseth and Johansen, 1970;Jones, 1987]. In fact, it has been clearly shown in the present study that bacte rial penetration in cementum seemed to follow the borders between more or less parallel calcified col lagen bundles of extrinsic and intrinsic fibers as well as incremental lines.…”
Section: Discussionsupporting
confidence: 52%
“…The microradiographic image of the early root car ies lesions in this study, showing a surface layer of varying radiopacity and a brush-like pattern of ce mentum, corresponds to previous descriptions of nat ural root surface caries by Furseth and Johansen [1968] and Hals and Selvig [1977], Of particular inter est was the consistent finding of a continuous band of demineralization. This pattern of demineralization indicates that possible variations in mineral content along the root surfaces are not of a magnitude suffi cient to influence the rate of lesion progression.…”
Section: Discussionmentioning
confidence: 67%
“…Firstly, the low mineral content of the outer part of the experimental root surfaces (unerupted and not previously exposed to the oral environment) in this study differed from the often highly mineralized sur face layer of root surfaces which have been exposed to the oral environment for a considerable period of time [Furseth and Johansen, 1968;Selvig, 1969;Hals and Selvig, 1977]. There is experimental evidence that this in vivo uptake of mineral may decrease the acid susceptibility of cementum and dentin surfaces [Al-Joburi and Koulourides, 1984;ten Cate et al, 1987].…”
Section: Discussionmentioning
confidence: 84%
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“…The F-rich outer zone of the root lesion is frequently hypermineralised [Furseth and Johansen, 1968;Takuma et al, 1975;Tohda et al, 1996] but we were not able to detect any increase in Ca concentration in this zone. The reason for this is not clear, but it is also not always apparent with the electron probe in sections that clearly show a hypermineralised zone by microradiography [Tohda et al, 1996].…”
Section: Discussionmentioning
confidence: 49%