Changes in patient age and tooth distribution for root canal treatment in a teaching hospital over a 15-year period

This study was undertaken to determine the changing pattern of root canal treatment undertaken by undergraduates in a teaching hospital over a period between 1976 and 1990 in terms of the incidence of root canal treatment, noting particularly changes in the types of tooth treated and in the age distribution of patients receiving treatment. It was found that the pattern of provision of root canal treatment has altered in recent years to involve a greater proportion of multi-rooted posterior teeth. More treatment is also being provided for older patients. The trends are comparable with those that have occurred in general dental practice.