an increasing trendp < 0.05
Results In both study series, a significant overall trend of declining caries experience and level of untreated caries, and an increasing trend of percentage of caries-free children was observed (p < 0.05).
Results In both study series, a significant overall trend of declining caries experience and level of untreated caries, and an increasing trend of percentage of caries-free children was observed (p < 0.05).
Discussion A positive trend of caries prevalence over a period 1994–2010 was observed both for national monitoring and smaller epidemiological studies.
In a series of IHIS studies conducted over years 1994–2006, a significant trend of declining mean dmft and mean dt value per child and increasing trend of percentage of caries-free children was observed (p < 0.05).