A person’s smile is often considered to be the most important aspect of physical appearance and reflects a person’s self-esteem. An impeccable, white and brilliant smile can denote health, hygiene, and well-being.
1. Extrinsic teeth stain These are caused by pigments that come into contact with the external surface of the teeth and adhere to them. They can be caused by:
2. Intrinsic teeth stain These occur when there are alterations in the internal composition of the tooth, thereby changing its color.
The answer is yes. Teeth have two layers: an inner layer called dentin and an outer layer called enamel. The dentin is yellowish in color and is what usually gives the tooth its color.