Oral composition and abrasive therefor

Details Oral composition and abrasive therefor Oral composition and abrasive therefor

1986-01-30

1988-05-10

Clingman, A. Lionel

Abrasive tool making process, material, or composition

With inorganic material

Metal or metal oxide

424 57, B24D 302

Patent

active

047432748

ABSTRACT:
Calcium hydrogenphosphate anhydride is disclosed whose crystallite has an average size of 300 to 3,500 angstroms as measured by X-ray diffractometry, and preferably, which has a density of 2.650 to 2.885 grams per cubic centimeters, a specific surface area of 2.5 to 20 square meters per gram as measured by the BET method, and an average agglomerate diameter of 2 to 30 micronmeters has good physical properties as an abrasive, and that when it is used as an abrasive in an oral composition, the resulting oral composition is improved in cleaning action and in the effect of making the tooth aesthetically white without increasing its abrasiveness.

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