Monitoring Edentulism in Older New Zealand Adults over Two Decades: A Review and Commentary

Historically, New Zealand has had the highest rates of edentulism in the world, but that rate has been falling quickly in recent decades. In 1997, projections were made for edentulism prevalence among 65–74-year-olds using national survey data from 1976 (where it was 72.3%) to 1988 (58.6%). That pro...

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Published in:International Journal of Dentistry
Main Author: William Murray Thomson
Format: Article
Language:English
Published: Wiley 2012-01-01
Online Access:http://dx.doi.org/10.1155/2012/375407
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description Historically, New Zealand has had the highest rates of edentulism in the world, but that rate has been falling quickly in recent decades. In 1997, projections were made for edentulism prevalence among 65–74-year-olds using national survey data from 1976 (where it was 72.3%) to 1988 (58.6%). That process assumed a logistic decline in edentulism, given that it would never have been 100% and will never get to 0%. This paper examines the validity of the projections using the estimate (29.6%) from the third national oral health survey, conducted in 2009 and considers the implications of this fall.
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spelling doaj-art-252bbdb2a2c440ac8fd52175efae5a4f2025-08-20T02:04:30ZengWileyInternational Journal of Dentistry1687-87281687-87362012-01-01201210.1155/2012/375407375407Monitoring Edentulism in Older New Zealand Adults over Two Decades: A Review and CommentaryWilliam Murray Thomson0Sir John Walsh Research Institute, Faculty of Dentistry, The University of Otago, Dunedin 9054, New ZealandHistorically, New Zealand has had the highest rates of edentulism in the world, but that rate has been falling quickly in recent decades. In 1997, projections were made for edentulism prevalence among 65–74-year-olds using national survey data from 1976 (where it was 72.3%) to 1988 (58.6%). That process assumed a logistic decline in edentulism, given that it would never have been 100% and will never get to 0%. This paper examines the validity of the projections using the estimate (29.6%) from the third national oral health survey, conducted in 2009 and considers the implications of this fall.http://dx.doi.org/10.1155/2012/375407
spellingShingle William Murray Thomson
Monitoring Edentulism in Older New Zealand Adults over Two Decades: A Review and Commentary
title Monitoring Edentulism in Older New Zealand Adults over Two Decades: A Review and Commentary
title_full Monitoring Edentulism in Older New Zealand Adults over Two Decades: A Review and Commentary
title_fullStr Monitoring Edentulism in Older New Zealand Adults over Two Decades: A Review and Commentary
title_full_unstemmed Monitoring Edentulism in Older New Zealand Adults over Two Decades: A Review and Commentary
title_short Monitoring Edentulism in Older New Zealand Adults over Two Decades: A Review and Commentary
title_sort monitoring edentulism in older new zealand adults over two decades a review and commentary
url http://dx.doi.org/10.1155/2012/375407
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