Is Whitening Weakens Teeth ? When done at the dentist's office or home as per the dentist's instructions, whitening does not cause any damage to the teeth. Some patients may have short-term tooth sensitivity that usually gets abated with the application of a desensitizing luoridated varnish, after the treatment. Book an Appointment : 98428 31534 / 70100 87442 / 87782 34785 / 73730 31534 No: 29, Mount Poonamalle Main Road, Nandambakkam, Chennai-89. Landmark: Opposite to Chennai Trade Centre. Your Smileis Our Zeal Best Smile Designing