"Bleaching per cycle costs around Rs.8,800. The duration depends on the frequency of intake of tea, coffee and the like, but roughly it ranges from one to two-and-a-half years," said Giri.
Rachana Doshi, aesthetic and cosmetic dentist, Bright Whites, Mumbai, suggested that people who consume coffee or tea frequently should opt for in-office whitening.
"In-office whitening usually has a better effect because of slightly higher concentration of hydrogen peroxide," Doshi told IANS.
