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100%: Hoffmann, André: Systematic Research and Analysis of the Tooth Colour: The Basic Research (English Edition) (ISBN: 9783340000466) 2005, Hoffmann, in Englisch, auch als eBook.Nur diese Ausgabe anzeigen…
100%: André Hoffmann: Systematic Research and Analysis of the Tooth Colour (ISBN: 9783340000459) 2000, Hoffmann, in Englisch, Taschenbuch.Nur diese Ausgabe anzeigen…
Systematic Research and Analysis of the Tooth Colour: The Basic Research (English Edition)
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Bester Preis: € 29,99 (vom 01.10.2020)1
Systematic Research and Analysis of the Tooth Colour - The Basic Research (2000)
~EN PB NWISBN: 9783340000459 bzw. 334000045X, vermutlich in Englisch, Hoffmann, Taschenbuch, neu.
Lieferung aus: Deutschland, Versandkostenfrei.
Systematic Research and Analysis of the Tooth Colour: André Hoffmann, innovator, researcher and developer, pioneer in the field of optical technologies (photonics), systematically researched the tooth colour and its origin with highest precision (see publication in 2000). This book shows an excerpt of this systematic original research at human teeth and dental shade guides with high-precision measuring systems and high-precision positioning system in vitro. Due to his basic scientific research, he was able to quantify and isolate manifold factors influencing the colour of teeth. These include, for example, the light or measuring light and the type of light (illuminant) and illumination and colour temperature, the optical beam path of the light or the measuring geometry, the observation angle (2°, 10°), the size of the measuring surface, and measuring opening, the gloss, the liquid content (with scientific evidence of the relationship between liquid content and tooth colour), effect of drying, moisture and rehydration, the correlation between the liquid content and the gloss effect, the subjectivity of visual subjective shade matching, crown curvature, type of system (spectrophotometer, tristimulus colorimeter), measuring mode (contact or non-contact), system-object-relation, positioning, repeatability or reproducibility, lens shift, displacement between sample and measuring surface and further intra- and interindividual factors. In addition, subjective-visual determinations and objectified measurements were examined in subjective-objective comparisons using colour coordinates comparisons. All these influencing factors are investigated on moist, drying, drier (various specific dehydration and rehydration states) and dry teeth based on the brightness (L\*), on colour measurement values, such as a\*, b\* (CIELAB), C\*, h, (CIELCH), DeltaE, on the metamerism index, on spectral values and curves, tabs of dental shade guides and on tooth colour spaces ... As part of this exploration, phenomena (e.g. changes and breaks in behaviour as well as highly individual developments in colour values, paradoxes between the values of subjective determination using shade guides and the values of objective measurements) were identified and insights into the very complex colour dynamics through dehydration and rehydration were shown (up to more than >8 days). The development of the individual colour measurement values was based on the liquid flow through the tooth and its tissues, in particular during drying and rehydration, and gave information about dynamics and the temporal extent of these processes. On the basis of this data, Hoffmann had developed several methods for research and practice, suggestions for feasible innovations, such as monitoring of dental treatment to protect against pulp damage based on drying, and reconstructing the colour of naturally moist teeth on those that have already dried, the identification of the living and the dead, human and animals via the `dental fingerprint` and a novel method of measuring the time of death for forensic medicine. He also described a time limit of drying up to which relatively natural, suitable colour values and shade matching results can be obtained and after which no colour determination should be carried out and he established the rehydration time after the end of the drying or dental treatment, which must be waited in order to regain a natural tooth colour and to get correct values and results again. His findings also show that teeth are able to store information on, for example, the condition (liquid content, colour values) and the time within the drying and liquid re-absorption chronology. The author articulates a `dental chronometer` (`tooth clock`), `dental data store` (`tooth data store`) and a `dental memory` (`tooth memory`) and believes that significant progress in this field may include and could be achieved via a neural network for colour measurement apparatus. A book for anyone interested in the natural sciences. Englisch, Taschenbuch.
Systematic Research and Analysis of the Tooth Colour: André Hoffmann, innovator, researcher and developer, pioneer in the field of optical technologies (photonics), systematically researched the tooth colour and its origin with highest precision (see publication in 2000). This book shows an excerpt of this systematic original research at human teeth and dental shade guides with high-precision measuring systems and high-precision positioning system in vitro. Due to his basic scientific research, he was able to quantify and isolate manifold factors influencing the colour of teeth. These include, for example, the light or measuring light and the type of light (illuminant) and illumination and colour temperature, the optical beam path of the light or the measuring geometry, the observation angle (2°, 10°), the size of the measuring surface, and measuring opening, the gloss, the liquid content (with scientific evidence of the relationship between liquid content and tooth colour), effect of drying, moisture and rehydration, the correlation between the liquid content and the gloss effect, the subjectivity of visual subjective shade matching, crown curvature, type of system (spectrophotometer, tristimulus colorimeter), measuring mode (contact or non-contact), system-object-relation, positioning, repeatability or reproducibility, lens shift, displacement between sample and measuring surface and further intra- and interindividual factors. In addition, subjective-visual determinations and objectified measurements were examined in subjective-objective comparisons using colour coordinates comparisons. All these influencing factors are investigated on moist, drying, drier (various specific dehydration and rehydration states) and dry teeth based on the brightness (L\*), on colour measurement values, such as a\*, b\* (CIELAB), C\*, h, (CIELCH), DeltaE, on the metamerism index, on spectral values and curves, tabs of dental shade guides and on tooth colour spaces ... As part of this exploration, phenomena (e.g. changes and breaks in behaviour as well as highly individual developments in colour values, paradoxes between the values of subjective determination using shade guides and the values of objective measurements) were identified and insights into the very complex colour dynamics through dehydration and rehydration were shown (up to more than >8 days). The development of the individual colour measurement values was based on the liquid flow through the tooth and its tissues, in particular during drying and rehydration, and gave information about dynamics and the temporal extent of these processes. On the basis of this data, Hoffmann had developed several methods for research and practice, suggestions for feasible innovations, such as monitoring of dental treatment to protect against pulp damage based on drying, and reconstructing the colour of naturally moist teeth on those that have already dried, the identification of the living and the dead, human and animals via the `dental fingerprint` and a novel method of measuring the time of death for forensic medicine. He also described a time limit of drying up to which relatively natural, suitable colour values and shade matching results can be obtained and after which no colour determination should be carried out and he established the rehydration time after the end of the drying or dental treatment, which must be waited in order to regain a natural tooth colour and to get correct values and results again. His findings also show that teeth are able to store information on, for example, the condition (liquid content, colour values) and the time within the drying and liquid re-absorption chronology. The author articulates a `dental chronometer` (`tooth clock`), `dental data store` (`tooth data store`) and a `dental memory` (`tooth memory`) and believes that significant progress in this field may include and could be achieved via a neural network for colour measurement apparatus. A book for anyone interested in the natural sciences. Englisch, Taschenbuch.
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Systematic Research and Analysis of the Tooth Colour
~EN PB NWISBN: 9783340000459 bzw. 334000045X, vermutlich in Englisch, Hoffmann, Taschenbuch, neu.
Die Beschreibung dieses Angebotes ist von geringer Qualität oder in einer Fremdsprache. Trotzdem anzeigen
4
Systematic Research and Analysis of the Tooth Colour (2000)
~EN NW ABISBN: 9783340000459 bzw. 334000045X, vermutlich in Englisch, neu, Hörbuch.
Lieferung aus: Deutschland, Lieferzeit: 5 Tage.
Die Beschreibung dieses Angebotes ist von geringer Qualität oder in einer Fremdsprache. Trotzdem anzeigen
Die Beschreibung dieses Angebotes ist von geringer Qualität oder in einer Fremdsprache. Trotzdem anzeigen
5
Systematic Research and Analysis of the Tooth Colour: The Basic Research (English Edition) (2005)
EN NW EB DLISBN: 9783340000466 bzw. 3340000468, in Englisch, Hoffmann, neu, E-Book, elektronischer Download.
Lieferung aus: Deutschland, E-Book zum Download, Versandkostenfrei.
Von Händler/Antiquariat, Amazon Media EU S.à r.l.
Die Beschreibung dieses Angebotes ist von geringer Qualität oder in einer Fremdsprache. Trotzdem anzeigen
Von Händler/Antiquariat, Amazon Media EU S.à r.l.
Die Beschreibung dieses Angebotes ist von geringer Qualität oder in einer Fremdsprache. Trotzdem anzeigen
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