Home Remedies for Shiny Teeth Shiny teeth make an individual appear attractive and beautiful. Individuals avoid smiling in public since they feel embarrassed about their yellow teeth. They become extremely conscious, which make them lose their self confidence. The major factors of discoloring of teeth are as follows: Genetic Poor hygiene Ageing Excessive consumption of coffee and tea Too much intake of cigarettes and tobacco Infection Climatic conditions Improper metabolic processes of the body High doses of medicines and antibiotics