The VITA classical A1–D4 system is a basic solution that offers 16 natural tooth shades and one that has been internationally established for decades.

The VITA classical A1 – D4 shade guide serves to accurately determine tooth shade.

The arrangement of the shades in the VITA classical family of shades is as follows:

• - A1 - A4 (reddish-brownish)
• - B1 - B4 (reddish-yellowish)
• - C1 - C4 (greyish shades)
• - D2 - D4 (reddish-grey)