Carvalho J C, Van Nieuwenhuysen J P, D'Hoore W
School of Dentistry, Catholic University of Louvain, Brussels, Belgium.
Community Dent Oral Epidemiol. 2001 Feb;29(1):55-61.
to investigate cross-sectionally a probable dental caries decline in Belgian 12-yr-olds and to analyse some factors that may be associated with dental caries during the study period.
In the region of Brussels, children in the 7th grade at the same schools were sampled in 1983 (n=533) and 1998 (n= 496). DMFT, DMFS and dental fluorosis were clinically recorded. Data on children's home-based and professional dental health care habits were registered.
Caries-free children increased from 4% to 50%. A reduction of the mean number of teeth attacked by dental caries from 7.5 to 1.6 and of tooth surfaces from 11.5 to 2.5 (P<0.001) was observed. Early signs of dental fluorosis were identified in 5% in 1983 and 30% of the subjects in 1998. Multiple linear regression analyses revealed that tooth brushing with fluoridated toothpaste, dental appointments and dental fluorosis were significantly related to dental caries reduction.
A remarkable decline in dental caries was observed during the 15-yr period. The factors related to the children's home-based and professional dental health care were associated with the observed decline.
横断面调查比利时12岁儿童中可能出现的龋齿患病率下降情况，并分析在研究期间可能与龋齿相关的一些因素。
在布鲁塞尔地区，于1983年（n = 533）和1998年（n = 496）对同一学校七年级的儿童进行抽样。临床记录DMFT、DMFS和氟斑牙情况。登记有关儿童家庭口腔保健和专业口腔保健习惯的数据。
无龋儿童从4%增加到50%。观察到患龋牙齿的平均数量从7.5颗减少到1.6颗，牙齿表面从11.5个减少到2.5个（P < 0.001）。1983年5%的受试者出现氟斑牙早期迹象，1998年这一比例为30%。多元线性回归分析显示，使用含氟牙膏刷牙、看牙医和氟斑牙与龋齿减少显著相关。
在15年期间观察到龋齿患病率显著下降。与儿童家庭口腔保健和专业口腔保健相关的因素与观察到的下降有关。
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