摘要:

ABSTRACTThe caries experience and the plaque and gingival conditions of 14‐year‐old children participating in fortnightly fluoride (0.2% NaF) mouth rinsing (88 subjects) were compared with observations in children performing supervised toothbrushing with a fluoride (0.5% NaF) solution 4–5 times per year (n= 90). Most of the children, 84 and 90% respectively, had participated in these programs for the previous 6 years. Caries was assessed only on radiographs. The mean number of decayed surfaces was 5.8 (s.d. = 4.1,n= 88) and 5.4 (s.d. = 4.1,n= 90). The mean numbers of decayed and filled surfaces were 19.3 ± 9.2 and 27.9 ± 10.2 for subjects with rinsing or brushing. This significant difference could not be ascribed to sex, social class, years of residence in the towns, number of dentists performing the previous treatments, toothbrushing habits, use of fluorides at home, or amount of plaque. All children had gingivitis. There were no differences in the mean number of Plaque Index score 2 or the number of Gingival Index score 2 between the children with the different preventive programs. The girls ‘oral hygiene was better than the boys’, but the gingival conditions were the same. Sex, social class, and toothbrushing techniques tended to have a slight influence on the amoun

ISSN:0301-5661    

DOI:10.1111/j.1600-0528.1975.tb00309.x

出版商:Blackwell Publishing Ltd    

年代:1975

数据来源: WILEY

摘要:

ABSTRACTDental status and treatment needs were studied in a random sample comprising 353 mentally subnormal persons. The sample was drawn to represent institutionalized mentally subnormal persons in Norway aged 5–45. The overall dental health was poor, primarily due to inadequate and fragmentary treatment facilities. Whereas the dental condition of children below 15 years of age was acceptable, as measured by the DMFT index, tooth loss increased rapidly with advancing age. Nearly every second dentulous person needed some conservation, and every tenth needed extraction of one or more teeth. One‐third of the patients needed treatment requiring general anesthesia. It was concluded that a new system for the investigation of treatment requirements should be developed. This system must be based on diagnostic and social criteria, and should serve as a guideline for the planning and delivery of dental services to the various subgroups of mentally subnormal pers

ISSN:0301-5661    

DOI:10.1111/j.1600-0528.1975.tb00310.x

出版商:Blackwell Publishing Ltd    

年代:1975

数据来源: WILEY

摘要:

ABSTRACTThe plaque situation on 48 surfaces in 31 children 13 years of age was assessed. A re‐examination within 2 hours indicated a significant increase in the number of 0 Plaque Index scores. Following paired comparison of each of the 48 areas, 22% of the surfaces were found to have changed score. Significantly more scores indicating improvement of the plaque situation were found at the second examination. A re‐examination of plaque on consecutive days in a similar group of children showed no significant changes. Re‐examination of the gingival conditions within 2 hours indicated a significant increase in the number of scores of 2 and this was confirmed by the paired comparison on the 48 surfaces. The findings indicate systematic errors rather than intra‐examiner incons

ISSN:0301-5661    

DOI:10.1111/j.1600-0528.1975.tb00311.x

出版商:Blackwell Publishing Ltd    

年代:1975

数据来源: WILEY

摘要:

ABSTRACTAn enamel biopsy method was developed that is especially intended for use under primitive clinical conditions in field studies. Three successive enamel layers, each of 1 μm or less, were etched off the same delimited area of 3 mm2by means of perchloric acid, using a microsampler with disposable tips. The biopsy technique was applicable to the vestibular surface of almost all teeth, causing no perceptible damage to the enamel surface. Based on cumulated data from the successive enamel layers, curves were drawn from which F levels at various depths in the outer 3 μn of the enamel could be interpolated. F levels in surface enamel of maxillary first premolars in 40 12–13‐year‐old children in a locale with 0.5 mg F/l in the drinking water were found to be 3,800, 2,400 and 2,000 parts/106in three successive enamel layers of 0.6, 1.0 and 1.1 μm, respectively, demonstrating a decrease in F concentration of about 1,800 parts/106within this depth interval. Identical F concentrations were found in bilateral p

ISSN:0301-5661    

DOI:10.1111/j.1600-0528.1975.tb00312.x

出版商:Blackwell Publishing Ltd    

年代:1975

数据来源: WILEY

摘要:

ABSTRACTWhile laboratory research has identified multiple causal factors in dental caries, few epidemiologic studies have been conducted on large representative populations that have utilized enough variables to test the current models of causation. Data from a large, representative study were available to the authors for secondary analysis. The epidemiology of dental caries as presented in the study indicates that the caries patterns in a free‐living population were consistent with an infectious and nutrition model of causality. The genetic explanation, while represented in the data, was not as consistent with the findings as the infectious and nutritional explanation

ISSN:0301-5661    

DOI:10.1111/j.1600-0528.1975.tb00313.x

出版商:Blackwell Publishing Ltd    

年代:1975

数据来源: WILEY

摘要:

ABSTRACTThis paper presents data concerning caries, gingivitis, interdental spacing, occlusion and oral habits obtained in a longitudinal investigation of 177 children at the ages of 3, 4 and 5 years. It was found that between 3 and 5 years of age, deft increased from 2.01 to 4.05 and defs from 2.69 to 5.98. The occlusal surfaces of the primary second molars and the occlusal and distal surfaces of the primary first molars were the ones most often affected. The mean Gingival Index decreased from 3 to 5 years (P<0.05) and also the number of children with a score of 2 from 4 to 5 years (P<0.05). The sagittal and transversal relationship between the jaws remained unchanged in most of the children, while the vertical relationship varied with changes in sucking habits. Dummy sucking was initially more than three times as common as finger sucking, but decreased markedly with increasing age. The children with the habit of finger sucking tended to keep this habit. Nocturnal grinding of the teeth was reported by the parents of 13 % of the children. Dental treatment was needed by 61 % at the age of 3, by 71 % at the age of 4 and by 68 % at the age of 5, as they had caries and/or gingivitis with a gingival score of 2. Furthermore, there was a need for orthodontic supervision including treatment. Caries prophylactic treatment was necessary in all age groups.

ISSN:0301-5661    

DOI:10.1111/j.1600-0528.1975.tb00314.x

出版商:Blackwell Publishing Ltd    

年代:1975

数据来源: WILEY

摘要:

ABSTRACTThe purpose of the investigation was to compare the caries prevalence (DMF‐T) among 762 7th grade children, of whom one‐hall had received regular school dental care throughout their school attendance and the other half had never received school dental care. The children were grouped according to social status in order to see if there was any difference in the caries prevalence between the social groups. The caries prevalence in children both with and without school dental service was high, 9.5 DMF‐T and 10.5 DMF‐T. The prevalence of untreated caries and secondary caries was lowest in the group with school dental

ISSN:0301-5661    

DOI:10.1111/j.1600-0528.1975.tb00315.x

出版商:Blackwell Publishing Ltd    

年代:1975

数据来源: WILEY

摘要:

ABSTRACTIn a public dental service with scarce resources, the presence of gingivitis in teenage children cannot necessarily be considered as indicating treatment need. However, it is suggested that early bone loss may be an important indication for treatment in teenage children and the aim of the present study was to determine whether the presence of early bone loss in 622 15‐year‐old children assessed by the measurement of loss of attachment could be predicted from more readily identifiable factors such as gingival bleeding or sub‐gingival calculus. However, such screening tests will make errors by including “healthy subjects” or excluding “diseased subjects”. The acceptable balance of these two kinds of error is a public health decision, a decision which may be affected by a number of variables, including the public's and profession's attitudes to the disease, the effectiveness of available treatments and the resour

ISSN:0301-5661    

DOI:10.1111/j.1600-0528.1975.tb00316.x

出版商:Blackwell Publishing Ltd    

年代:1975

数据来源: WILEY

摘要:

Books reviewed in this article:PREVENTION IN DENTISTRYCarlos, J. P. (ed.):Prevention and oral health.DENTAL HYGIENIST'S EXAMINATIONLevy, E. E. Dental hygienist “mock” national board.COST‐BENEFIT OF FLUORIDESDavies, G. N.: Cost and benefit of fluoride in the prevention of dental c

ISSN:0301-5661    

DOI:10.1111/j.1600-0528.1975.tb00317.x

出版商:Blackwell Publishing Ltd    

年代:1975

数据来源: WILEY

ISSN:0301-5661    

DOI:10.1111/j.1600-0528.1975.tb00318.x

出版商:Blackwell Publishing Ltd    

年代:1975

数据来源: WILEY