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  • 1.
    Meding, B.
    et al.
    Arbetslivsinstitutet.
    Lantto, Rolf
    Lindahl, K.
    Arbetslivsinstitutet.
    Wrangsjö, K.
    Karolinska Institutet.
    Bengtsson, B.
    Swedish Work Environment Authority.
    Occupational skin disease in Sweden: a 12-year follow-up2005In: Contact Dermatitis, ISSN 0105-1873, E-ISSN 1600-0536, Vol. 53, no 6, p. 308-313Article in journal (Refereed)
    Abstract [en]

    The aim of this project was to study the long-term prognosis of occupational skin diseases in Sweden. In 1999, a questionnaire was sent to 623/655 individuals who in 1987 reported occupational skin disease to the Social Insurance Office. 394 answered the questionnaire, and 123 non-responders were interwiewed by telephone, giving 517 participants (83%), 323 females and 194 males. 85% reported skin symptoms after 1987, 70% during the previous year. 28% considered themselves recovered, of those with nickel allergy only 12%. In a logistic regression model, skin atopy was the strongest unfavourable factor for the prognosis followed by contact allergy and female sex. 66% had consulted a doctor after 1987 and the majority, 82%, had performed occupational changes - most common was change of jobs, 44%. Those who had changed jobs reported less sick leave. The conclusion is that occupational skin diseases have a clear tendency to end up as chronic conditions with a majority reporting symptoms at a 12-year follow-up. The skin disease had influenced the occupational situation for the majority (82%) and for 15% resulted in exclusion from the labour market through unemployment or disability pension.

  • 2.
    Sjögren, Göran
    et al.
    Umeå University, Department of Dental Materials Science.
    Lantto, Rolf
    Granberg, A.
    Umeå university.
    Sundström, BO
    Umeå university.
    Tillberg, Anders
    Umeå University, Department of Prosthetic Dentistry.
    Clinical examination of leucite-reinforced glass-ceramic crowns (Empress) in general practice: a retrospective study1999In: International Journal of Prosthodontics, ISSN 0893-2174, E-ISSN 1139-9791, Vol. 12, no 2, p. 122-28Article in journal (Refereed)
    Abstract [en]

    PURPOSE: The purpose of this study was to retrospectively evaluate leucite reinforced-glass ceramic crowns (Empress) placed in patients who regularly visit general practices. MATERIALS AND METHODS: One hundred ten Empress crowns, placed in 29 patients who visited a general practice on a regular basis, were evaluated according to the California Dental Association's (CDA) quality evaluation system. In addition, the occurrence of plaque and certain gingival conditions was evaluated. All crowns were luted with resin composite cement. The mean and median years in function for the crowns were 3.6 and 3.9 years, respectively. RESULTS: Based on the CDA criteria, 92% of the 110 crowns were rated "satisfactory." Eighty-six percent were given the CDA rating "excellent" for margin integrity. Fracture was registered in 6% of the 110 crowns. Of the remaining 103 crowns, the CDA rating excellent was given to 74% for anatomic form, 86% for color, and 90% for surface. No significant differences (P > 0.05) were observed regarding fracture rates between anterior and posterior crowns. With regard to the occurrence of plaque and bleeding on probing, no significant differences (P > 0.05) were observed between the Empress crowns and the controls. CONCLUSION: Most of the fractured crowns had been placed on molars or premolars. Although the difference between anterior and posterior teeth was not statistically significant with respect to the fracture rates obtained, the number of fractured crowns placed on posterior teeth exceeded that of those placed on anterior teeth. The difference between the fracture rates may have clinical significance, and the risk of fracture has to be taken into consideration when placing crowns on teeth that are likely to be subjected to high stress levels.

  • 3.
    Sjögren, Göran
    et al.
    Umeå University, Department of Dental Materials Science.
    Lantto, Rolf
    meå University, Department of Dental Materials Science.
    Tillberg, Anders
    Umeå University, Department of Prosthetic Dentistry.
    Clinical evaluation of all-ceramic crowns (Dicor) in general practice1999In: The Journal of prosthetic dentistry (Print), ISSN 0022-3913, E-ISSN 1097-6841, Vol. 81, no 3, p. 277-84Article in journal (Refereed)
    Abstract [en]

    STATEMENT OF PROBLEM: There are few studies regarding all-ceramic full crowns placed by general practitioners; however, most dental restorations are carried out by general practitioners, and their clinical performance may be of particular interest. PURPOSE: Ninety-eight all-ceramic Dicor crowns placed in 46 patients regularly visiting a general practice were evaluated with the California Dental Association's (CDA) criteria. Mean and median ages of the crowns were 6.1 and 5.8 years, respectively (range 1.4 to 10. 9 years). Crowns were luted with either a glass ionomer, zinc phosphate, or resin composite cement. RESULTS. Of the 98 crowns, 82% were rated satisfactory. For marginal integrity, 51% were rated excellent. Fracture was registered in 14 all crowns, and 1 endodontically treated tooth with a Dicor crown was extracted because of root fracture; of the remaining 83 crowns, 55% were rated excellent for color. Corresponding figures for surface and anatomic form were 46% and 23%, respectively. The most common finding was slightly rough surfaces (64%). No statistically significant difference was observed for fracture rates obtained when the crowns luted with different luting agents were compared (P >.05). There was no more plaque or bleeding on probing (P >.05) in connection with the Dicor crowns than in the control surfaces.

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