1. Comparing teeth shades before & after bleaching.
2. 20 shades with laser engraved numbering for longer use.
3. Comes in stylish aluminum case, portable and easy to keep.
4. Easy to use, compare and clean.
5. Specially made for teeth whitening.
6. 20 shades with mirror case, more professional.
Property:
1. Determination of the tooth shade in 3 steps. 2. Unle determination of the tooth shade. 3. Possibilities of comparison: Yes/No - Better/Worse decision. 4. Tooth shades precisely defined by science (miscible). 5. Can be learned.