Customer satisfaction is the prime criteria in all fields. Considering the medical field it is the vital factor. If the company fails to achieve the customer satisfaction then the company definitely loses its profit in future. So, all companies should be careful about the customers’ satisfaction and customers’ happiness. The feedback of the customer clearly tells the nature of the treatment. Some of the customer never feels any pain during the treatment, but some of the customer may feel some minor pain in the tooth. This is due to the over sensitivity nature of the tooth. If customer teeth is decayed much then the teeth becomes over sensitive to the cold particles. So the teeth only behave normal in ordinary temperature. Both hot and cold temperature brings some unpleasant effect to the teeth. Tooth Whitening Glasgow completely avoids this situation by using minor painkiller before the treatment. The painkiller is used only for the reasonable cause. Teeth Bleaching Glasgow treatment center provide some important precautionary relating to the treatment. Don’t take the cold and hot foods for next one day after taking the treatment. The tooth comes to normal stage 2 days after the treatment. Don’t use the stain creating substances like coffee, tea and tobacco for first 48 hours.