Finger Osteoarthritis and Differences in Dental Work Tasks
S. Solovieva1,*,
T. Vehmas2,
H. Riihimäki1,
E.-P. Takala3,
H. Murtomaa4,
K. Luoma5, and
P. Leino-Arjas1
1 Finnish Institute of Occupational Health, Department of Epidemiology and Biostatistics, Topeliuksenkatu 41a A, 00250 Helsinki, Finland;
2 Finnish Institute of Occupational Health, Department of Occupational Medicine, Helsinki, Finland;
3 Finnish Institute of Occupational Health, Department of Physiology, Helsinki, Finland;
4 Institute of Dentistry, University of Helsinki, Helsinki, Finland; and
5 Department of Radiology, Peijas Hospital, Helsinki University Central Hospital, Vantaa, Finland

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Figure. Distribution (means) of time spent on each work task during different age periods in the work history by work clusters. Cluster 1 (high variation): dentists who have performed variable work tasks. Cluster 2 (moderate variation): dentists who have spent half of their work time on restorative treatment and endodontics, and another half on prosthodontics, periodontics, and surgical treatment. Cluster 3 (low variation): dentists who have spent most of their work time on restorative treatment and endodontics.
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