It is generally understood that the teeth of pre-school-aged children are healthy, but the improvement in the dmft index has halted in the industrialized countries. Those few children who have caries have more of it than before. Little is known of the family-related factors which are associated with this polarization of caries. A representative population-based sample consisted of 1443 mothers expecting their first child. The children were followed at well-baby clinics and public dental health clinics for over five years. The objective was to study the prevalence of dental caries and its predictors in five-year-old children and to assess children's own dental health habits and the meaning of family-related factors in dental health. The findings were based on questionnaire data from parents and on clinical dental examinations of the five-year-old children as completed by 101 public health dentists. In firstborn five-year-old children, dental health was found to be good in 72%, fair in 20%, and poor in 8% of the cases. The final multivariate analysis illustrated that the dmft index > 0 was independently associated with the mother's irregular toothbrushing (OR 2.2; 95% CI 1.4-3.5), annual occurrence of several carious teeth in the father (OR 2.6; 95% CI 1.9-3.6), daily sugar consumption at the age of 18 months (OR 2.4; 95% CI 1.4-4.1), occurrence of child's headaches (OR 3.7; 95% CI 1.5-8.8), parents' cohabitation (OR 3.3; 95% CI 1.5-7.6), rural domicile (OR 2.4; 95% CI 1.2-4.5), and mother's young age (OR 5.0; 95% CI 1.3-19.8). The findings indicated that attention should be paid not only to the child's dental health care but also to that of the whole family. Parents should be supported in their upbringing efforts and encouraged to improve their children's dental health habits. In everyday life, parents function as role models for their children, and therefore, parents' own dental hygiene habits are very meaningful.
In a longitudinal 3-year study, 151 children were followed for the colonization of the primary dentition by mutans streptococci (MS) and for the development of dental caries. At the age of 1 year, the child-mother pairs were divided into three groups on the basis of the levels of MS in maternal saliva. In the experimental group, the mothers had MS levels higher than 105 CFU/ml, and they were given chlorhexidine (1%)-sodium fluoride (0.2%) gel treatments twice a year for 3 years. Two control groups were formed. In control group 1, the mothers also had high levels of MS, but no gel was given. In control group 2, the mothers had low ( < 105 CFU/ml) baseline levels of salivary MS, and no chlor-hexidine-fluoride gel was used. In the total study population, 16,42, and 54% of the children were colonized by MS by the age of 2, 3, and 4 years, respectively. Most children harbored only Streptococcus mutans, but 2 had both S. mutans and Streptococcus sobrinus, and 2 had only S. sobrinus. Twenty-eight percent of the MS-positive children developed caries by the age of 4 years, whereas 4 out of 27 children with dental caries did not have any detectable MS in their plaque samples. Both the colonization by MS and the caries incidence were highest in control group 1 and lower in the experimental group and in control group 2. These observations suggest that the reduction of maternal salivary MS at the time of tooth emergence may delay, or perhaps even prevent, the colonization of MS in the children’s primary dentition with a concomitant decline in caries incidence, even in a population with an already low prevalence of dental caries.
The aim was to elucidate whether variables recorded in early childhood would have a long-lasting predictive value of poor dental health at the age of 10 years in a prospectively followed Finnish population-based cohort setting. The second aim was to find new tools for preventive work in order to improve dental health among children. Poor dental health (dmft + DMFT ≧ 5) at 10 years of age was associated with child’s nocturnal juice drinking at 18 months. It was associated with the following factors at age 3 years: frequent consumption of sweets; infrequent tooth brushing; plaque and caries on teeth. Of family factors, the following were significant: father’s young age at birth of the child; mother’s basic 9-year education; mother’s caries (i.e. several carious teeth per year), and father’s infrequent tooth brushing. Early childhood risk factors of poor dental health seem to be stable even after 10 years of life and the changing of teeth from primary to permanent ones. In preventive work, dental health care staff could offer support to those parents with risk factors in their child rearing tasks.
Sucking habits and their connection with family background was investigated in 3-year-old Finnish children. The association between sucking habits and malocclusion was also studied. The study was based on a survey with stratified randomized cluster sampling, confidential questionnaires, and clinical dental examinations. Dummy (pacifier) use was often associated with a negligent attitude towards the child's toothbrushing. This may imply that these parents need more support, encouragement, and counseling from the well-baby clinic than others. Sucking habits were strongly associated with malocclusion.
The aim of this study was to examine how dental health related habits, infectious diseases and long-term illness are associated with dental health at the age of 3 in first-born children resident in a Finnish province. The study was designed as a survey using stratified randomised cluster sampling, confidential questionnaires and clinical dental examinations. The results were analysed using polytomous logistic models. In the stepwise analysis the only statistically significant explanatory factors were the use of juice at night and dental cleanliness. Antibiotic treatment or long-term illness was not significantly associated with dental health.
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