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[Epidemiological study of oral health in a young adult Mapuche population].

An epidemiological study on oral health was conducted on 200 mapuche natives, aged from 14 to 30 years in order to correlate their oral health level with their oral health habits, scholar level, age and sex. DMFT index and the simplified Oral Hygiene Index were evaluated in the sample of studied patients. It was found a 18.15 DMFT score, higher than the national level in our country, and the simplified Oral Hygiene Index (OHI-S) was 1.7, showing deficient oral hygiene habits. A direct relationship between a low scholar level and a high caries index and a high OHI-S index was found.

Adolescent↗

An evaluation of minocycline in patients with periodontal disease.

The purpose of this study was to determine the passage into and concentration of Minocycline HCl (Minocin) in gingival crevicular fluid (GCF) and the relationship between its concentration of saliva. GCF, serum and changes in periodontal health. Over an 8 day period, 10 adults with periodontal disease received orally 200 mg/day of Minocin and 10 other received 150 mg/day. The parameter evaluated included the DMF, gingival index, plaque index, crevice depth, oral soft tissue evaluation. SMA-12, CBC, prothrombin time, and concentrations of Minocin in serum, saliva and GCF. The DMF score, crevice depth, SMA-12, CBC and prothrombin time were determined on days 1 and 8. All other parameters were evaluated on days 1, 2, 3, 5 and 8. The results of this study showed that Minocin administration resulted in no significant changes in blood chemistry, blood counts and prothrombin time, was effective against oral microorganisms as shown by reductions in plaque scores, produces an improvement in gingival health, is present in serum at therapeutically effective levels when given in doses of either 200 mg or 150 mg per day and is concentrated in gingival crevicular fluid at levels 5 times as high as serum.

Adult↗

The effectiveness of a 6-year oral health education programme for primary schoolchildren.

OBJECTIVES: The aim of this study was to evaluate the effect of a 6-year oral health education programme in primary schoolchildren. METHODS: This programme was part of the Signal-Tandmobiel project, a longitudinal collaborative project combining the registration of oral health data and oral health promotion. The intervention group comprised 3291 children with a mean age of 7.1 years (SD 0.43) at the start of the programme. Every year these children were examined clinically and a questionnaire, to be filled in by the parents, was administered to assess oral health behaviour. These children received an oral health education programme which consisted of a yearly 1-h instruction. Data collected using the same questionnaire and clinical examination in 676 12-year-old children were included as control group. The samples were obtained using stratified cluster sampling. The effect of the interventional programme was assessed by measuring differences in caries prevalence and incidence, levels of dental care and reported oral health behaviour. RESULTS: Mean DMFT/S values, although higher in the control group, were not significantly different. The reported frequency of brushing was the same in both groups. Significant differences in favour of the intervention group were found in the number of between-meal snacks (P < 0.001) and the proper use of topical fluorides (P < 0.05). Children in the control group showed a significantly lower proportion of filled teeth than those in the intervention group (P < 0.01), with a care index of 73% versus 80%. CONCLUSION: In conclusion, the implemented minimal school-based oral health education programme did not result in a significant reduction of the caries prevalence measured. The programme has been effective in improving reported dietary habits and the proper use of topical fluorides and resulted in a higher care index.

Belgium↗

Oral status indicators DMFT and FS-T: reflections on index selection.

Oral status in a population has traditionally been described by the DMFT index (decayed, filled, and missing teeth). There seems to be contradicting and confusing evidence in the literature with regard to the usefulness of different indices. Limitations of the DMFT are recognised, and attempts have been made to develop other indices. Two indices, DMFT and FS-T (filled and sound teeth) have been selected for analysis in the present paper. The purpose of this paper is to examine the relationship between DMFT and FS-T in different populations, and to show consequences of choice of index exemplified in analytical analysis. Data stem from the Trondelag-83 and -94 studies that were follow-up studies of the Norwegian portion of the 1973 International Collaborative Study. Sunflower scatter plots and regression analyses were used to describe the variation in DMFT and FS-T in different populations. DMFT was more suitable for describing variation in populations with low levels of disease than FS-T, while FS-T was more suitable for describing variation in populations with high levels of disease. It may be concluded that both DMFT and FS-T should be presented when describing oral status in a population. However, choice of index depends first of all on the purpose of the investigation. If there are theoretical reasons to prefer one index instead of the other, the superiority of the alternative index in terms of variation must be disregarded.

Adult↗

Comparative study of oral conditions in schoolchildren of Strasbourg, France, 1974-85.

A representative sample of 1650 children randomly selected in the 6-15-yr-old schoolchild population of Strasbourg was examined by well-calibrated examiners. The prevalence of caries was determined with the DMFT, DMFS and dft indices using bitewing radiographs. Plaque, calculus and gingival indices were also determined. The results obtained were compared with the initial study of 1974 performed in Strasbourg using the same epidemiologic methods. Whereas no important variations were observed in caries prevalence of primary teeth, a significant reduction of caries activity was observed in DMFT and DMFS indices in all age groups. There was a reduction of these two indices of respectively 32% and 33% in the 12-yr-old children. The reduction was the most significant on approximal surface lesions. A statistically significant decrease of the calculus and gingival indices was also observed between 1974 and 1984. A less significant decrease was observed for the plaque index.

Adolescent↗

Ranking countries by dental status using the DMFT and FS-T indices.

AIM: To test the hypothesis that the DMFT index does not adequately reflect the dental status as well as the FS-T index by comparing the country rankings of the DMFT and the FS-T indices in 18 and 35-44 year-olds in a range of countries. The FS-T is the number of filled or sound teeth and is a measure of functional status. METHOD: The DMFT data from WHO for 18-year-olds and 35-44-year-olds was used and FS-T index values were estimated for the 18-year-olds for 12 countries and for 35-44 age groups for 30 countries. RESULTS: The ranking by DMFT index scores was lower for developed countries than for developing countries. Despite the relatively high DMFT index in developed countries, their FS-T index was higher and therefore the developed countries ranked higher by FS-T compared to their ranking by DMFT. CONCLUSIONS: These findings suggest that it may be more useful to use the FS-T index with the DMFT index in studies comparing dental status between countries.

Adolescent↗

Periodontal and caries experience in children with insulin-dependent diabetes mellitus.

This study compared the periodontal and caries experience of young patients with insulin-dependent diabetes mellitus (IDDM) with a nondiabetic population of the same age. The plaque scores of children with IDDM were statistically higher. The caries experience of a child with closely monitored IDDM and a family history of diabetes was significantly lower than that of a child with IDDM and no such family history, even though the gingival and plaque indexes of both children were the same.

Adolescent↗

[Caries prevalence and intensity and the health and hygiene habits of oral care in pregnant women].

Examination of the oral status of 664 pregnant women showed that from 77.12 +/- 3.90% at the age of 17-19 years to 100% at the age of 35-39 years were in need of treatment and removal of teeth. An average of 2.46 tooth per woman were to be filled and every other woman was in need of tooth removal. The quality of oral hygiene was poor in the examined patients, the Fedorov-Volodkina index varying from 2.2 +/- 0.05 to 2.6 +/- 0.1.

Adolescent↗

[The number of teeth in persons who died within a 5-year period in comparison with survivors].

In reliance on dental records taken in 1965 it was examined whether or not examinees with a higher number of teeth display a better survival rate for the 5 years' periode 1965-1970 than examinees of the same age and sex but with a lower number of teeth; in other words, whether or not, the number of teeth is a suitable index for biological age, at least in the higher age-groups.

Aged↗

[DMFT index values in patients treated for leukemia during growth].

Patients affected by acute leukemia under radiotherapy and chemotherapy, less than 12 years old were investigated about DMFT index. Patients were in total remission. All erupted permanent teeth, with attention to an eventual oligodontia of non erupted teeth also, excluding third molars, were investigated by clinical and X-Ray examination. Authors concluded that there is no difference between these patients and normal subjects for this index.

Adolescent↗

[The results of caries prophylaxis after 25 years of the School Dental Clinic in the city of St. Gallen].

Since 1966 the School Dental Clinic of St. Gall has been in charge of preventive dentistry and treatment of school and kindergarten children. For children from kindergarten and the 1st level of primary school, the caries incidence rate was established in percentages. For those of 14 years of age, the DFM-T index (including 2 bit-wings) was determined. For the 14-year-old children the average number of carious, filled and extracted teeth (DMF-teeth) decreased as follows: 1974 DFM-T = 7.0; 1978 DMF-T = 5.0; 1982 DMF-T = 3.0; 1987 DMF-T = 2.7; 1991 DMF-T = 1.1. The percentage of children with a healthy natural dentition in this age group was approximately 40% in 1991. The number of extractions of permanent teeth dropped 15 times, the number of required tooth fillings up to 5 times. Whilst children of 14 years of age in 1991 showed a minimum of carious lesions, the caries prevalence of kindergarten children and those of 1st level primary school increased slightly (partly due to influx of foreigners). This fact draws attention to the significance of a uniform, continuous and systematic prevention in the future.

Adolescent↗