From: Brazilian adolescents’ oral health trends since 1986: an epidemiological observational study
Age | Year 1986 % | Year 2003 % | (2003–1986) | Trend (%) 2003–1986 | Year 2010 | (2010–2003) | Trend (%) 2010–2003 | (2010–1986) | Trend (%) 2010–1986 |
---|---|---|---|---|---|---|---|---|---|
15–19 years | 1.73 | 0.04 | −1.69 | −97.7 | 0.00 | −0.04 | −100.0 | −1.73 | −100.0 |