REASONS FOR EXTERNAL STAINING:
TOBACCO CHEWING
CIGARETTE SMOKING
EXCESSIVE INTAKE OF TEA & COFFEE
MEDICATION LIKE : ORAL IRON INTAKE
IMPROPER BRUSHING
COLORING AGENTS IN FOOD
REASONS FOR INTERNAL STAINING :
TRAUMA TO FRONT TEETH -LEADING TO BLUE -BLACK DISCOLORATION
MEDICATION TAKEN BY MOTHER DURING PREGNANCY (SPECIALLY TETRACYCLINE)
EXCESSIVE FLUORIDE IN WATER -FLUOROSIS BROWN STAINS
TRAUMA LEADING TO IMPROPER TOOTH FORMATION -ENAMEL HYPOPLASIA -BROWN STSAINS
CARIES IN DEEPER LAYERS OF TEETH -BACKWARD CARIES (BLACK DISCOLORATION)
TREATMENT
CLEANING OF TEETH AND DENTAL BLEACHING (SINGLE SITTING ) EXTERNAL STAINS
TREATMENT OF THE CAUSE : INTERNAL STAINS