A dentist performs teeth whitening to help patients achieve w bright and whiter smile, removing stains and discoloration. It is considered as a cosmetic dental procedure because it greatly improves the appearance of the teeth. In order to maintain Tooth whitening involves repeated sessions to achieve the ideal whiteness or brighter color. Enamel is the outer layer of the tooth and the colors of the teeth is created by light reflection and scattering of light off the enamel in combination with the dentin’s color. The smoothness and thickness of the enamel is greatly influenced by your genes. The dentin shows more color with a thinner enamel, and a smoother and rougher enamel greatly affects the color of the teeth due to the amount of reflected light.
Our teeth create a thin coating or follicle forming on the enamel that picks up stains from the food and drinks we consume, and it also contains pores that hold stains., that’s why our teeth becomes yellowish or discolored over time. The most common causes of yellowish or stained teeth include tobacco smoking, poor dental hygiene, and excessive intake of dark-colored liquids like cola, coffee, tea and red wine. Aging is also another important factor why the enamel gets thinner and the dentin becomes darker leading to less bright teeth. Intrinsic stains or stains inside the tooth also happen because of too much fluoride exposure in childhood while the teeth were still developing. Tooth whitening is considered the most effective on extrinsic stains. Prior to teeth whitening treatment, it is important to treat any tooth cavities because whitening solution can pass through the decayed areas, reaching the inner parts of the teeth. Teeth whitening products cannot make the teeth whiter is the gums are receded with exposed yellow or discolored roots of the teeth. Your dentist will be taking a photograph of your teeth prior to the procedure to help in monitoring the progress of the treatment.
Before the teeth whitening treatment, the dentist will be cleaning your teeth to remove bacteria, food debris, and other substances that cause teeth build up or staining, and once cleaning is done, the teeth whitening procedure starts. If you want to do it at home, your dentist can make trays used to hold the whitening gel that can fit your teeth properly. Whitening gel can be used or whitening agents activated laser light or heat. A dentist may also use different teeth whitening procedure to whiten the tooth inside, by placing a whitening agent inside the tooth and putting a temporary filling over it, left for several days and removed.