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Assessment of dental fluorosis prevalence in Swiss populations


Steiner, M; Menghini, G; Thomet, E; Jäger, A; Pfister, J; Imfeld, T (2010). Assessment of dental fluorosis prevalence in Swiss populations. Schweizer Monatsschrift für Zahnmedizin SMfZ, 120(1):12-20.

Abstract

Summary In 1996 and 2006, recruits of the
Swiss army participated in a dental survey.
Similarly in 1995/96 and 2004/05, randomly
selected schoolchildren from 16 rural communities
of the Canton of Zurich participated
in a dental survey. As part of these surveys,
color slides were taken of the incisor teeth of
all recruits, as well as of third and fourth grade
schoolchildren. The slides (N = 2049) were
examined for the presence of fluoride-associated
enamel opacities (FOP), using the Thylstrup-
Fejerskov (TF) index. Two examiners (A
and B) assessed all slides. The examiners were
blind as to the year of survey. Examiner A recorded
prevalences of FOP between 18% and
27% depending on population; examiner B
recorded prevalences between 7% and 12%.
The examiners’ influence on the estimation of
the prevalence was obvious. The prevalences
reported should, therefore, be considered as
rough estimates. FOP of TF score 2 were only
observed in approximately 1% of the participants.
One examiner recorded a TF score 3 in
a single individual. FOP therefore are not a
cosmetic problem and certainly not a public
health concern.
The prevalence of FOP decreased slightly
during observation period I (recruits born
1975–77 vs 1985–87) and period II (schoolchildren
born 1985–87 vs 1994–96). However,
the decline was statistically supported
in only one instance (Period I, Examiner B).

Summary In 1996 and 2006, recruits of the
Swiss army participated in a dental survey.
Similarly in 1995/96 and 2004/05, randomly
selected schoolchildren from 16 rural communities
of the Canton of Zurich participated
in a dental survey. As part of these surveys,
color slides were taken of the incisor teeth of
all recruits, as well as of third and fourth grade
schoolchildren. The slides (N = 2049) were
examined for the presence of fluoride-associated
enamel opacities (FOP), using the Thylstrup-
Fejerskov (TF) index. Two examiners (A
and B) assessed all slides. The examiners were
blind as to the year of survey. Examiner A recorded
prevalences of FOP between 18% and
27% depending on population; examiner B
recorded prevalences between 7% and 12%.
The examiners’ influence on the estimation of
the prevalence was obvious. The prevalences
reported should, therefore, be considered as
rough estimates. FOP of TF score 2 were only
observed in approximately 1% of the participants.
One examiner recorded a TF score 3 in
a single individual. FOP therefore are not a
cosmetic problem and certainly not a public
health concern.
The prevalence of FOP decreased slightly
during observation period I (recruits born
1975–77 vs 1985–87) and period II (schoolchildren
born 1985–87 vs 1994–96). However,
the decline was statistically supported
in only one instance (Period I, Examiner B).

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Center for Dental Medicine > Clinic for Preventive Dentistry, Periodontology and Cariology
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:January 2010
Deposited On:19 Mar 2010 05:49
Last Modified:05 Apr 2016 13:51
Publisher:Schweizerische Zahnärzte-Gesellschft
ISSN:0256-2855
Free access at:Official URL. An embargo period may apply.
Official URL:http://www.sso.ch/doc/doc_download.cfm?uuid=1D7582C6AFE6A1D6406ADD6D899F3188&&IRACER_AUTOLINK&&
Related URLs: (Organisation)
Permanent URL: http://doi.org/10.5167/uzh-29372

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