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Biomedical subjects

H Kalsbeek

Publications and source records attributed to H Kalsbeek.

At least 19 recordsLinked to original sources
PubMed1992

Use of fluoride tablets and effect on prevalence of dental caries and dental fluorosis.

A study was executed to investigate the relation between the use of fluoride tablets by children in the age period 1.5-6 yr on the one hand and the caries experience at the age of 6 and 15 yr and the prevalence of fluorosis at the age of 15 yr on the other hand. The year of birth of the child, the motivation of the mother to engage in preventive dental behavior, the level of her school education and her place of birth were taken into account as possible confounding factors. A significant relation was found between the use of fluoride tablets and the prevalence of fluorosis. The most important predicting factor for the caries experience of the child was the mother's motivation to engage in preventive dental behavior. An effect of fluoride tablets on the caries experience could not be demonstrated.

Administration, Oral↗
PubMed1992

Risk indicators and potential risk factors for caries in 5-year-olds of different ethnic groups in Amsterdam.

The aim of this study was threefold: first, to assess the oral health of Turkish, Moroccan, Surinamese, Dutch and "other" 5-yr-old children living in Amsterdam; second, to identify risk indicators for caries, in addition to ethnicity; and third, to identify potential risk factors related to differences in caries experience in these children. Results showed the mean dmfs scores of Turkish and Moroccan children to be much higher than that of the Dutch and Surinamese children; 8.1 and 8.2 versus 3.6 and 3.4, respectively. The educational level of the parents and the gender of the children were important risk indicators, in addition to ethnicity. The age of the child at which the parents had started to brush their child's teeth, the use of fluoride tablets and the regularity of the brushing behavior in the past could be identified as potential risk factors.

Analysis of Variance↗
PubMed1991

Plaque, calculus, gingival bleeding and type of tooth cleaning device in a Tanzanian child population in 1984, 1986 and 1988.

In 1984, 1986 and 1988 a mixed-longitudinal study was carried out to determine the prevalence of plaque, calculus, gingival bleeding and type of tooth cleaning device amongst school children in Morogoro, Tanzania. The background parameters considered were age, geographical location and sex. The reproducibility of the methods of diagnosis was assessed. In general, more children possessed a chewing stick than a toothbrush, except urban children. The prevalence of visible plaque decreased and the prevalence of calculus increased with increasing age. Gingival bleeding was not age-dependent. Urban children had significantly more surfaces covered with visible plaque, but had a significantly lower prevalence of calculus, than rural children. Boys showed a significantly higher prevalence of visible plaque and calculus than girls. In the majority of those with gingival bleeding, only 1 of the 6 examined papillae was involved, most often the mesio-lingual papilla of the 3.6. The children had not been subjected to organized oral health care and professional intervention. The findings of the study indicate the need for organized school-based oral hygiene programmes in the area in order to improve the periodontal health of these children.

Adolescent↗
PubMed1991

The problem of participation in the Dutch National Dental Survey.

In 1986 a nationwide dental survey was carried out in the Netherlands. The aims of the study were to assess the prevalence of oral diseases, need and demand for dental care and oral selfcare in the Dutch population aged 15-74 yr. This paper describes the general sampling and analysis procedures to detect selectivity in the participation. Irregular dental attenders seemed to be underrepresented in the final sample. Poststratification was used to overcome this problem of selectivity.

Adolescent↗
PubMed1991

Objective and subjective need for cosmetic dentistry in the Dutch adult population.

In order to assess the objective and subjective need for cosmetic dentistry in the Dutch adult population in 1986 a stratified sample of 2784 dentate persons, aged 15-74 yr, participated in the study. The aesthetics of anterior teeth and first premolars in the maxillary mandibular arch were determined by dental examiners as well as by the examinees. According to the dental examiners 16-63% of the people in the age range from 15 to 74 yr were in need of cosmetic dental care. Based on the patient's opinion (subjective need) these percentages varied between 18 and 40% in the different age groups. The discrepancy between the objective and subjective assessment in the percentage of people in need of cosmetic dental care increased with age.

Adolescent↗
PubMed1991

Malocclusion and orthodontic treatment need of 15-74-year-old Dutch adults.

In 1986 a nationwide dental survey was performed in the Netherlands. This article describes the prevalence of dentofacial anomalies in the age group 15-74 yr, as well as the subjective and objective need for orthodontic treatment. The main findings were: severe crowding in the mandible was found in approximately 15%; an Angle Class II situation was seen in 28%; a maxillary overjet of greater than 5 mm was found in 23%; orthodontic treatment had or was being performed in approximately 25%; 45% of orthodontic treatment was carried out by a general practitioner; using professionally defined need, 39% of the population required treatment whereas only 14% of the people felt that this treatment was necessary.

Adolescent↗
PubMed1991

Tooth loss and dental caries in Dutch adults.

As part of a nationwide dental survey in 1986 a caries study was executed in 3526 adults, aged 15-74 yr, living in 40 residential areas in The Netherlands. Marked differences were found between the social classes distinguished (more edentates in the lower classes) and between the different regions. It is supposed that these differences reflect the lack of dental manpower in the past.

Adolescent↗
PubMed1991

[National dental health survey. 4. Dental visits. 1. Behavior and knowledge].

This paper is part of a series on the national oral health survey in the Netherlands (LEOT-project). Previous articles described the development of the questionnaires and the results concerning oral hygiene and nutrition. This paper presents the results as for the dental attendance behaviour and knowledge concerning it of the dentate Dutch population. As an average the Dutch dentate visited the dentist 2.4 times a year. 89% visited the dentist in the last year of this investigation. The largest part of the visits (68%) concerned 'check-up visits'. 14% did not visit the dentist for a check-up. Knowledge about dental visits is rather limited; especially concerning treatment possibilities.

Dental Care↗
PubMed1991

Caries prevalence in Dutch elderly people.

In 1986 a nationwide oral survey was carried out in the Netherlands. One of the aims of this study was to assess the prevalence of oral diseases in adults. The present paper describes the prevalence of coronal and root caries in elderly Dutch subjects (45-74 years). The oldest age group (65-74 years) had, on average, the least number of teeth remaining; the posterior oral segment contained fewer teeth than the anterior segment. The anterior segment had the higher percentage of teeth with coronal caries and the posterior segment a higher percentage of filled teeth. The reverse was the case for root caries; a higher percentage of teeth had root caries in the posterior segment and the anterior segment a higher percentage of filled teeth.

Aged↗
PubMed1990

Dental caries prevalence and the use of fluorides in different European countries.

Data in a WHO report relating caries prevalence and the use of fluorides in different European countries were compared with data obtained directly from investigators in the field of oral epidemiology. The reliability of DMFT indices of 12-year-old children, mentioned in the WHO report, appeared sufficient to make comparisons between countries on the basis of these data. The WHO data files on the different applications of fluoride were incomplete. When figures were present, they were not always in agreement with those from the investigators. A decrease of the DMFT indices could be shown in a large number of countries. In further comparative studies between European countries, cultural differences (in dietary habits, for instance) should be taken into account.

Adolescent↗
PubMed1990

[The dental self care of the dentate Dutch population; nutrition].

This paper presents the results of a nationwide dental survey as far as the nutrition behavior and its determinants of the dentate Dutch population is concerned. It is found that the avoidance of sugar containing products for the sake of dental health is not very common; only 8% of the dentate population shows this behavior rather frequently. Despite the existence of a fair amount of knowledge about the relation of sugar consumption and dental health, the main part of the dentate population does not belief in the effectiveness of sugar avoidance in the preservation of the teeth. As an average the dentate Dutch takes, apart from the meals, nearly eight sugar containing products a day.

Diet, Cariogenic↗
PubMed1990

[Dental self care of the dentate Dutch population: oral hygiene].

This paper is part of a series on national oral health survey in The Netherlands (LEOT-project). It presents the results as for the oral hygiene behavior and its determinants of the dentate Dutch population. Nearly all dentate Dutch people (97.5%) reports to clean their teeth with an average of nearly two times a day. The use of other cleaning means is not very common. There is a fair amount of knowledge about dental hygiene. The great majority (about 85%) indicates that toothbrushing for them is an automated behavior, a habit.

Dental Health Surveys↗
PubMed1990

[Revised recommendations about the use of fluoride].

At the end of 1989 the organisation for dental health education in The Netherlands 'Ivoren Kruis' presented new recommendations about the use of fluorides. The advice was based on a report of an expert committee and was put in a definite form in consultation with representatives of a number of dental and medical professional organisations. For children below the age of five a toothpaste with 250 ppm F- is recommended. Fluoride tablets (with 0.25 mg F-) are recommended for children below the age of 12. The advised number of fluoride tablets is reduced compared with the former recommendations.

Child↗
PubMed1990

[Dental fluorosis in relation to the use of fluoride tablets].

The prevalence of dental fluorosis on the buccal tooth surfaces was investigated in 15-year-old children in the towns Tiel and Culemborg, using the Tylstrup-Fejerskov scoring system. A study done in 1980 revealed that at the age of six, 53% of the children in Tiel and 30% of the children in Culemborg took one or more fluoride tablets (0.25 mg F-) daily. In Tiel the tablets were provided free of charge in a centre for child dental care. On the basis of the number of tablets supplied in the age period 1.5-6 years, most of the 15 year olds in Tiel could be classified as regular, irregular or non-tablet user. Only mild fluorosis (TF-score 1, 2 or 3) was found. The percentage of children with one or more buccal surfaces affected with fluorosis was 24 in Tiel and 22 in Culemborg. The percentages of buccal surfaces with fluorosis were 6 (Tiel) and 7 (Culemborg). In Tiel the percentages of surfaces with fluorosis in the groups regular, irregular and non-tablet users were 12%, 5% and 2% respectively.

Adolescent↗
PubMed1990

Has the decline in dental caries been halted? Changes in caries prevalence amongst 6- and 12-year-old children in Friesland, 1973-1988.

In 1973, 1976, 1979, 1982 and 1988 caries investigations were carried out amongst 6- and 12-year-old primary schoolchildren to study the effectiveness of a dental health campaign begun in 1973. This campaign and the school dental health services were stopped in 1985. In all the years, except 1988, radiographs formed part of the caries examination. The percentage of 6-year olds with a caries-free dentition increased from 4 per cent in 1973 to 47 per cent in 1988, and for 12-year olds from 0 per cent in 1973 to 45 per cent in 1988. The mean dmfs score decreased steeply from 14.4 in 1973 to 3.8 in 1982 and rose slightly to 4.0 in 1988. This latter score was 4.6 if a correction for the X-ray effect were applied. The mean DMFS score in 12-year olds showed a constant decline, from 13.7 in 1973 to 2.0 in 1988. The half in the decline of caries in the deciduous dentition of these 6-year-old cohorts is regarded as a warning that caries may be on the increase again in this part of The Netherlands. Regular monitoring is therefore required. Explanations for this halt in the decline of caries are discussed.

Child↗
PubMed1989

[Dental survey (Leot-project): aims, sampling and participation].

In 1986 a nationwide dental survey was carried out in the Netherlands. Aims of the study were to assess the prevalence of dental diseases, needs and demands for care and dental behavior in the Dutch adult population aged 15 years and more. The paper describes sampling procedures, stratification factors and field organization of the study. As a result, representative (baseline) data of prevalence and need for care of dental diseases are now available. Those data will be published in a number of separate papers in this journal.

Adolescent↗