Abstract
Summary
Hamartomas of the incisor teeth develop in 48 of 62 mandibles of one-year or older STR/1N mice that had been fed a soft diet. Development of the lesions was further increased by incorporation of 50 PPM of NaF in the drinking water. Comparable growths were never seen in A/LN mice whether they received fluoride or not, nor in STR/IN mice eating a pelleted chow.
We are indebted to Dr. Paul N. Baer for valuable suggestions and to Mrs. Priscilla Auvil for technical assistance.
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