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Dental Hygiene

Unit of measurment for the whitness of teeth

12/31/2007

Question:

What is the unit of measurement for the whiteness of teeth?

Answer:

In dentistry, a common unit of measure is a "Vita shade guide".  They use measures starting with A1 as the whitest and then it goes A2, A3, B1, B2 etc.

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Response by:

Michele P Carr, RDH,  MA Michele P Carr, RDH, MA
Associate Professor of Dental Hygiene
Associate Professor of HS Nursing Quality & Research
College of Dentistry
The Ohio State University