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January 24, 2010 | History

Characterization of ankylosis in traumatized permanent incisors 1 edition

Characterization of ankylosis in traumatized permanent incisors
Karen Marie Campbell

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Characterization of ankylosis in traumatized permanent incisors.

Published 2005 .
Written in English.

About the Book

The objectives of this investigation were to assess the reliability of expert raters to diagnose ankylosis by percussion sound alone and to identify and quantify differences between ankylosed and non-ankylosed incisors using the PeriotestRTM and digital sound wave analysis. Four paediatric dentists demonstrated 'substantial' overall agreement detecting ankylosis by percussion sound alone. The reliability of diagnosis of ankylosis by percussion sound demonstrated sensitivity of 85 per cent and specificity of 91 per cent. Mean PeriotestRTM values (PTV) for ankylosed incisors were statistically significantly lower than mean PTV for non-ankylosed incisors for within-subjects, between-subjects and in overall comparisons. Digitally recorded percussion sound signals generated from ankylosed incisors exhibited a statistically higher proportion of their energy in the high frequency bands as determined by 7-level Daubechies wavelet decomposition time-frequency analysis. Non-ankylosed incisors exhibited a statistically higher proportion of their energy in the lower frequency bands.

Edition Notes

Source: Masters Abstracts International, Volume: 44-02, page: 0806.

Thesis (M.Sc.)--University of Toronto, 2005.

Electronic version licensed for access by U. of T. users.

GERSTEIN MICROTEXT copy on microfiche (2 microfiches).

The Physical Object

Pagination
113 leaves.
Number of pages
113

ID Numbers

Open Library
OL19216667M
ISBN 10
0494072253

History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page