tooth whitening + whitening agents Flashcards
Tooth whitening (vital bleaching)
• referred to as vital bleaching
• noninvasive method of lightening the color of dark or discolored teeth.
Indications for Using Tooth-Whitening Products
• Extrinsic stains from foods, cigarette smoking
• Aged teeth
• Teeth discolored
• Consumption of staining substances
• Tetracycline staining
• Excessive fluoride
how does peroxide based gel (whitening product) work
• The peroxide breaks down, oxygen enters the enamel and dentin and bleaches the colored substances
when is the most crucial time after teeth whitening
24-48 hours
absolutely nothing coloured as the pores in the teeth are open and coloured items with flow inside
in office bleaching
Professional tooth whitening with higher concentrations can be accomplished in a dental office.
• Results are immediately observable (30min -1 hour in single visit)
how many shades can your teeth change during bleaching
up to 6 shades
3 OTC concentrations for bleaching
10%, 16%, 22%
at home bleaching
• Bleaching kits utilize Carbamide peroxide as their bleach
• hydrogen peroxide in commercial bleaches
tissues must be evaluated 3-5 days after
• differences ion commercial products for at home bleaching are based on:
ph
viscosity
concentration of peroxide
Side effects of Tooth Whitening
• hypersensitivity
• Tissue irritation
where should at home whitening trays be stored
in the fridge
post op instructions for patients after any tooth whitening
a. Do not eat or drink when wearing the tray.
b. Avoid staining food
c. Wear the tray for the recommended time.
d. Discontinue using the tray if adverse effects occur.
e. Discuss adverse effects or other problems with the dentist.
f. Come back for follow up in two weeks