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Validation of a Cumulative Hypersensitivity Index (CHI) for dentine hypersensitivity severity

Olley, R.C., Wilson, R., Moazzez, R. and Bartlett, D. 2013. Validation of a Cumulative Hypersensitivity Index (CHI) for dentine hypersensitivity severity. Journal of Clinical Periodontology 40 (10) , pp. 942-947. 10.1111/jcpe.12144

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Abstract

Aim This study developed the Schiff Index into a Cumulative Hypersensitivity Index (CHI ) to measure dentine hypersensitivity (DH ) severity per subject. It validates this score by investigating if it compares to one comprising a percentage score from all tooth surfaces and as a highest score per subject. Materials and methods Overall, 350 subjects were recruited from hospital and general practice in south‐east England. Buccal, occlusal and oral Schiff Index scores were collected and percentages calculated based on scores 1, 1 and above, 2 and above and 3. CHI scores and highest Schiff Index scores were also recorded per subject. Spearman correlation coefficients (p ‐values) assessed the relationship between CHI scores, Schiff Index percentages and Schiff Index highest per subject. Results In subjects with a Schiff Index score of 1 or more on at least one tooth surface (indicating DH was present), correlation of the CHI score to the Schiff Index percentage score was 0.982 (p < 0.001). Correlation of the sextant score to the highest Schiff Index score per subject was 0.963, (p < 0.001). DH was more likely on tooth surfaces with gingival recession (p < 0.001) and without bleeding on probing (p < 0.01). Conclusions This study has validated a novel CHI score to indicate DH severity per subject and may help guide clinical management.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Dentistry
Publisher: Wiley
ISBN: 03036979 1600051X
ISSN: 0303-6979
Date of Acceptance: 12 July 2013
Last Modified: 16 Jun 2020 15:00
URI: http://orca.cardiff.ac.uk/id/eprint/132538

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