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22
WILLESDEN SECONDARY AND JUNIOR TECHNICAL SCHOOLS.
Inspection.—1,858 pupils were inspected at the schools and 135 at the Health Centres, making a total of
1,993 inspections for the year.
23 visits were made to the schools, an average of 80 inspected per visit.
The number of children with defects at routine dental inspection was 1,310, or 72 per cent., compared with
73 per cent. in 1938.
Complete charting was done for all these scholars.
Treatment.— 721 or 36 per cent. of the defective cases were treated at the Centres. The number of fillings
amounted to 1,547 and the number of teeth removed was 303, of which 218 were permanent teeth. This is a ratio
of 6 permanent fillings to 1 permanent tooth extracted.
In addition, 15 jacket crowns and 2 dentures were supplied.
There were also 636 sundry operations performed.
The following figures give the returns of the average work done per session for primary and secondary
school children combined. These are arrived at by dividing the total treatment and inspection sessions into the
totals of the respective operations performed.
Total Sessions—Inspection and Treatment, 1,058; Inspections, 9.7; Fillings, 6.1; Extractions, 5: Other
Operations, 2.
All restorations in posterior teeth were silver amalgam alloys, once lined in superficial cavaties and twice lined
in these proximating the pulp. Cement fillings, other than in anterior teeth, were included in other operations.