Knowledge of caries risk factors/indicators among Japanese and Irish adult patients with different socio-economic profiles: a cross-sectional study

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dc.contributor.author Nishi, Makiko
dc.contributor.author Harding, Máiréad
dc.contributor.author Kelleher, Virginia
dc.contributor.author Whelton, Helen
dc.contributor.author Allen, P. Finbarr
dc.date.accessioned 2017-03-10T12:51:30Z
dc.date.available 2017-03-10T12:51:30Z
dc.date.issued 2017-02-16
dc.identifier.citation Nishi, M., Harding, M., Kelleher, V., Whelton, H. and Allen, F. (2017) ‘Knowledge of caries risk factors/indicators among Japanese and Irish adult patients with different socio-economic profiles: a cross-sectional study’, BMC Oral Health, 17(55), pp. 1-10. doi: 10.1186/s12903-017-0345-x en
dc.identifier.volume 17 en
dc.identifier.issued 55 en
dc.identifier.startpage 1 en
dc.identifier.endpage 10 en
dc.identifier.issn 1472-6831
dc.identifier.uri http://hdl.handle.net/10468/3766
dc.identifier.doi 10.1186/s12903-017-0345-x
dc.description.abstract Background: A previous study has shown deficient knowledge of caries risk factors/indicators in a Japanese adult population regarded to have a high interest in preventive dentistry. No prior research has investigated caries risk knowledge in an Irish adult population. We hypothesise there may be unexpected differences or similarities in knowledge across countries with similar levels of economic development when comparing groups with different socio-economic and cultural profiles. Understanding what influences knowledge is important for the development of effective and efficient caries prevention strategies. The current paper aims to describe the knowledge of caries risk factors/indicators in two groups with different socio-economic profiles from two culturally distinct countries. Methods: Cross-sectional surveys of adult dental patients were carried out in Japan and in the Republic of Ireland (RoI) using similar self-administered paper questionnaires. Patients were asked to identify caries risk factors/indicators from eight (Japan) or ten (RoI) listed items. The Japanese study involved 482 patients (aged ≥20 years) from 52 dental members of a nationwide web-based initiative Promoting Scientific Assessment in Prevention of Tooth Decay and Gum Disease (PSAP). The Irish study involved 159 patients (aged 20–69 years) accessing state-provided (‘medical card’) dental services from eight dental practices in County Cork. The two samples were compared. Results: A higher proportion of Irish respondents identified ‘Not visiting the dentist for check-up and cleaning’ (OR 2.655; 99% CI 1.550, 4.547) and ‘Not using fluoride’ (OR 1.714; 99% CI 1.049, 2.802) than did Japanese respondents. A lower proportion of Irish respondents identified ‘A reduced amount of saliva’ (OR 0.262; 99% CI 0.159, 0.433) than Japanese respondents. Similarly shown in both studies were a persistent belief that ‘Not brushing teeth properly’ is a caries risk factor and a lack of knowledge on saliva buffering capacity as a caries risk factor. Conclusions: Deficiencies in knowledge which should be addressed: among the Japanese group, of dental check-up/cleaning visits and of fluoride use for caries prevention; among the Irish group, of saliva quantity as a caries risk factor. In addition, in both groups, we need to inform patients of the defensive role of saliva. en
dc.description.sponsorship International Association for Dental Research (Unilever Social Entrepreneur Approach to Change Oral Health Behaviour Research Award) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher BioMed Central en
dc.rights © 2017, the Authors. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. en
dc.rights.uri http://creativecommons.org/publicdomain/zero/1.0/ en
dc.subject Dental caries en
dc.subject Risk factors en
dc.subject Knowledge en
dc.subject Fluorides en
dc.subject Saliva en
dc.subject Cross-cultural comparison en
dc.subject Japan en
dc.subject Ireland en
dc.subject Socioeconomic factors en
dc.subject Social determinants of health en
dc.title Knowledge of caries risk factors/indicators among Japanese and Irish adult patients with different socio-economic profiles: a cross-sectional study en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Helen Whelton, Oral Health & Development , University College Cork, Cork, Ireland. +353-21-490-3000 Email: h.whelton@ucc.ie en
dc.internal.availability Full text available en
dc.date.updated 2017-03-10T12:19:04Z
dc.description.version Published Version en
dc.internal.rssid 384945290
dc.contributor.funder International Association for Dental Research en
dc.contributor.funder Promoting Scientific Assessment in Prevention of Tooth Decay and Gum Disease (PSAP), Japan
dc.description.status Peer reviewed en
dc.identifier.journaltitle BMC Oral Health en
dc.internal.copyrightchecked Yes en
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress H.Whelton@ucc.ie en


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© 2017, the Authors. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. Except where otherwise noted, this item's license is described as © 2017, the Authors. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
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