This information is not collected in the form requested. Such information as is available is as follows.
Information on the incidence of certain treatments (including root-fillings and extractions) is available for a sample of courses of treatments (CoTs) processed in 2007-08, by treatment band, in Table 4a (adult courses of treatment) and Table B4 (child courses of treatment) of the Dental Treatment Band Analysis, England and Wales 2007-08 report. This information is available at England level.
The information is presented as the percentage of CoTs that included particular items of treatment, the number of items of treatment per 100 CoTs, and the average number of treatment items per CoT where the treatment occurs.
This report, published on 21 August 2008, has already been placed in the Library and is also available on the NHS Information Centre website at:
http://www.ic.nhs.uk/pubs/dentaltba0708