Two recommended light sources are described in Q1B D65 (simulating outdoor daylight) or ID65 (simulating indoor indirect window glass-filtered daylight) as option 1 and simultaneous exposition on a cool white fluorescence lamp (producing an output similar to that specified by ISO 10977) and near UV fluorescent lamp (spectral distribution from 320 to 400 nm with a maximum energy emission between 350 and 370 nm) as option 2 (ICH 1996)
Crowded teeth can also cause discomfort and make chewing more challenging
[DOI] [PMC free article] [PubMed] [Google Scholar] 46.Hsieh M.J., Liu H.T., Wang C.N., Huang H.Y., Lin Y., Ko Y.S., Wang J.S., Chang V.H., Pang J.S
It is often included in creams, lotions, serums, and other skincare products to brighten the complexion, reduce the appearance of age spots and blemishes, and promote a youthful glow