Abstract
Summary
The rate of apposition of dentin is selectively altered in Vitamin-A deficiency, while the life span of the formative cells is not affected. The rate of apposition is accelerated in the enamel-covered portion and decelerated in the cementum-covered portion. The findings indicate the delicate response of the rate of dentin apposition to Vitamin-A deficiency and suggest the possible use of this reaction as a biologic method of measuring the Vitamin-A content of foods.
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