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Sökning: L773:0347 9994 > Jönköping University > (2000-2004) > (2000)

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1.
  • Löfquist, L, et al. (författare)
  • Fixed prosthodontics in adults in Jönköping, Sweden in 1983 and 1993 : An epidemiological study of prevalence and choice of material.
  • 2000
  • Ingår i: Swedish Dental Journal. - 0347-9994. ; 24:3, s. 93-103
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of the study was to assess the prevalence of fixed prostheses, i.e. single crowns and fixed partial dentures, in adults 20-80 years old in two cross-sectional studies carried out in 1983 and 1993 and to analyse whether the choice of material for fixed prostheses had changed during this time period. The material comprised 586 and 593 individuals. A descriptive analysis of number of individuals with fixed prostheses was made concerning the number of crowns and pontics, the distribution in the jaws, and the materials used. The prevalence of individuals with fixed prostheses was shown to increase with age both in 1983 and 1993. In 1993 the number of individuals with fixed prostheses was slightly lower than in 1983 (44 and 48 percent respectively). There was no difference according to gender. The proportion of individuals with fixed prostheses was lower or almost unchanged in the 20-, 30-, 40-, 50-, 60-, and 80-year-olds in 1993 compared to 1983. In the 70-year-olds, however, the proportion of individuals with fixed prostheses was considerably higher in 1993 compared to 1983. Most individuals with fixed prostheses had a small number of crowned teeth, and about half of the individuals had not more than four crowned teeth. Likewise most individuals with pontics had a small number of pontics. The distributions of crowned teeth and pontics in the jaws were similar in 1983 and 1993. Pontics and crowns were more frequent in the upper than in the lower jaw. Crowns made of porcelain or metal ceramic had increased by 1993 in the 30-80 year age groups, and the study thus confirms general clinical experience that porcelain and metal ceramic are more often the materials of choice in fixed prosthodontics in adults today.
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3.
  • Rolandsson, Margot, et al. (författare)
  • Knowledge and habits of tobacco among ice-hockey-playing boy : An intervention study
  • 2000
  • Ingår i: Swedish Dental Journal. ; 24:1-2, s. 59-70
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study was to investigate tobacco habits among ice-hockey-playing boys in three clubs in the County of Värmland, Sweden and to analyse whether health information about the harmful effects of tobacco could change the players' tobacco habits. In addition, the issue of whether there is any correlation between knowledge of tobacco and its harmful effects with tobacco habits was studied. Ice-hockey-players from three ice-hockey clubs were represented and one of the clubs acted as a control group. A total of 252 male ice-hockey-players, 12-19 years old participated. A specially designed questionnaire containing 33 questions on background, socioeconomics, behaviour, and knowledge was used. The boys answered the questionnaire on three occasions. The first and second examinations took place on the same occasion with the intervention occurring between the examinations. The third examination was carried out after 3-5 weeks. The study showed that the use of snuff played a more important role among the ice-hockey-players than did smoking and that they had tried using snuff at the age of 12. The baseline investigation showed that there were no significant differences between the clubs in tobacco habits and knowledge of the harmful effects of tobacco. After the health information, the boys' knowledge of tobacco and its harmful effects increased significantly (p<0.001), but regardless, no change in their use of tobacco was found after 3-5 weeks. Knowledge also increased significantly among the boys in the control group (p<0.001), but no change in the use of tobacco was found here either. No significant difference could be demonstrated between the group of boys who used snuff and the non-users with regard to their knowledge of the harmful effects of tobacco.
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4.
  • Widbom, T, et al. (författare)
  • Possible sites for cylinder implants in Swedish individuals aged 20-70 years : A comparative radiological inventory in 1983 and 1993.
  • 2000
  • Ingår i: Swedish Dental Journal. - 0347-9994. ; 24:1-2, s. 13-22
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study was to evaluate the number of possible sites for cylinder implants in an epidemiological sample of adult individuals and to compare these results with those from a similar inventory performed 10 years earlier. This study, which comprised individuals 20-70 years old, is part of two larger epidemiological dental studies of individuals from the community of Jönköping, Sweden, performed in 1983 and 1993. Random samples of 579 and 575 individuals respectively were examined and classified according to the Eichner index. The radiographic examination included an orthopantomogram and a full-mouth intra-oral examination. Only existing spaces anterior to the second molars were considered as possible implant sites. Cylinder implants with a diameter of 3.75 mm and a length between 7 and 20 mm were plotted on the radiographs. Result: The most striking result from this study was the reduction by almost a half of the total number of possible implant sites between 1983 and 1993. A certain proportion of existing tooth gaps had been treated with conventional fixed prostheses, usually in small tooth gaps, and this tendency had increased between 1983 and 1993. The need for implants in the anterior frontal region was small but constant (less than 1%) in 1983 and 1993. In the future, implants will be a treatment option in young individuals, most likely in cases of trauma and tooth agenesis. Further it may be assumed that implant treatment in edentulous jaws will continue to increase in relative terms, i.e. the percentage of edentulous jaws that have been treated with implants will increase. In absolute terms, however, the frequency of the treatment will decrease because fewer individuals will be edentulous. Instead, the proportion of partially dentate subjects treated with implants will increase.
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