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J Dent Res 24(3): 171-181, 1945
© 1945 International and American Associations for Dental Research
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AN ACQUIRED PIGMENTED PELLICLE OF THE ENAMEL SURFACE

II. CLINICAL AND HISTOLOGIC STUDIES

CHARLES F. VALLOTTON M.S., M.D., D.D.S.1

1 The Division of Dental Research and The Department of Biochemistry and Pharmacology, School of Medicine and Dentistry, University of Rochester, Rochester, N. Y.

A thin, structureless organic pellicle was found on teeth surfaces in a large percentage of individuals who used no abrasive in their daily mouth care. A brown-to-black pigmentation appeared simultaneously.

The pellicle could be differentiated from any known enamel surface structure. Some similarity to keratin in staining properties was observed. Staining for mucin, amyloid substance and fat were negative. The mechanism of its formation and its possible significance were discussed.

Submitted on April 2, 1945






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