Stain, staining
- meconium 779.84
- port wine 757.32
- tooth, teeth (hard tissues) 521.7
- due to
- accretions 523.6
- deposits (betel) (black) (green) (materia alba) (orange) (tobacco) 523.6
- metals (copper) (silver) 521.7
- nicotine 523.6
- pulpal bleeding 521.7
- tobacco 523.6
