Abstract
Any discussion of possible changes in radiation protection in the dentist's surgery must of necessity be tentative until the NRPB reports to the Health and Safety Executive the results of its present survey into current practice. Nonetheless, there are a number of points in Mr. Gifford's review of the WHO Manual on Radiation Protection in Dentistry (January, 1978, p. 57) that deserve further comment. Mr. Gifford distinguishes three situations in dental radiography which he regards as the most hazardous. The first relates to the risk to those members of the dentist's staff, other than those directly involved in radiography (that is the dentist himself and his surgery assistant), from scattered radiation. It is difficult to visualize a situation in which the layout of the surgery puts those outside at greater risk than those within when a standard dental X-ray set is used.
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