Percentages of lifetime caries experience retained by eight systems of partial DMF‐recording

Marthaler, T; Steiner, M

doi:10.1111/j.1600-0528.1981.tb01023.x

Cited by 2 publications

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References 3 publications

(12 reference statements)

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“…A general descriplion of the melhods used has been given earlier (II). Examinations of leeth were earried oul aeeording to a standardized system of partial reeording eovering 46 surfaces of a total of 64 (9), The reliability has been established in .several independent studies (3,10,16,17).…”

Section: Methodsmentioning

confidence: 99%

Interim report on DMF‐reduction 16 years after the introduction of a preventive program

Marthaler

1981

Comm Dent Oral Epid

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Supervised toothbrushing with fluoride containing preparations and information on prevention of dental disease was introduced in 1963/64 for the majority of schools in the Canton of Zurich. Standardized examinations were carried out every 4 years, starting in 1963. From 1963 to 1979, DMFT levels decreased by 58-60%. Reductions of DF counts were highest in free smooth surfaces of molars and in anterior teeth, exceeding 90%. In contrast, pit and fissure carious lesions were reduced by 55%. Approximal caries also diminished substantially but the findings cannot be summarized by simple percent reductions. The number of sound primary teeth increased markedly from 1963 to 1975.

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Section: Methodsmentioning

confidence: 99%

Interim report on DMF‐reduction 16 years after the introduction of a preventive program

Marthaler

1981

Comm Dent Oral Epid

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Dental Predictors of High Caries Increment in Children

1992

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A comprehensive set of dental variables was investigated to find the "best" combination of predictors for high caries increment in 7/8-year-old and 10/11-year-old children. Four populations with widely different caries prevalence were studied. Logistic regression analysis supplied multiple-input models by stepwise selection of predictors. A "low number of sound primary molars" was the best and most consistent predictor of high caries increment. The second best predictors were "high numbers of pre-cavity lesions on permanent first molars" (discolored pits and fissures in the younger age group and white spots on the smooth parts of buccolingual surfaces in the older age group). Inclusion of radiological variables did not substantially increase the quality of prediction. For practical application, models with various multiple inputs selected by stepwise procedures were compared with "fixed" three-input models. These three-input models resulted in predictive quality nearly equal to those of the multiple models. Traditional one-input models, containing DMFT or dmft, were inferior to the three-input models, particularly in the older age class. The lower the caries prevalence of the source data, the better was the prediction. As a summary measure characterizing the predictive performance of a model, we used the index "area under the receiver operating characteristic curve" A. For the 1984 data and the three-input models, the area was approximately 80%, and for the 1972 data, the area was 65-70%.

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Percentages of lifetime caries experience retained by eight systems of partial DMF‐recording

Cited by 2 publications

References 3 publications

Interim report on DMF‐reduction 16 years after the introduction of a preventive program

Interim report on DMF‐reduction 16 years after the introduction of a preventive program

Dental Predictors of High Caries Increment in Children

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