Drawings about the dentist at work were solicited from 1,101 children in grades 2, 4, 6 and 8 in an urban school district. A system to classify the contents of these drawings was developed. The frequency of various items occurring in the children's drawings was determined. The "typical" or most frequent child's drawing of the dentist at work was described. This drawing contained a normal dental chair, dentist, a patient in the chair and dental cabinetry or furniture. The picture was a very matter-of-fact representation. Abnormal or bizarre pictures occurred infrequently. A few children drew pictures that did not relate to dentistry.

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The In Vitro metabolism of 4‐14C‐progesterone in six normal and eight chronically inflamed gingival tissues has been investigated. The inflamed gingiva has been twice as active as the normal in converting progesterone to 5α and 5β‐pregnandiones, 20α‐dihydroprogesterone, and other unidentified polar compounds. The clinical implications of these findings as related to gingivitis have been discussed.