Teeth whitening is big business involving both professional office treatments along with over the counter treatments. True tooth whitening is bleaching and does more than clean, it also lightens the tooth color. There are numerous factors that contribute to a tooth's color. The outer enamel layer is mostly clear, so dentin pigmentation actually accounts for much of a tooth's color.
There are certain unfortunate incidents that can discolor teeth. If a person is exposed to tetracycline in childhood, one can see profound discoloration of the dentin in all of the teeth. There are certain metabolic diseases that can result in dark color deposition in dentin, including hematologic conditions such as congenital porphyria and erythroblastosis fetalis.
Tooth aesthetics can be improved with a veneer being placed over the discolorations. These are thin restoration implants which can be expensive. Tooth bleaching procedures involve peroxide in some form to change the pigmentation in the dentin through oxidation. If the bleaching is performed in the office with peroxide, the concentrations of hydrogen peroxide can be up to 35% and also utilize a heat lamp to speed up the process.
The soft tissues could be damaged by this process, therefore, they are protected with some sort of occlusive material or dam. One of the issues that have been seen in treated patients is known as "bleaching sensitivity" where treated individuals complain of painful, uncomfortable sensations in the treated teeth. Severity is variable, some may tolerate it fine while others may need to discontinue the procedure.
In order for bleaching agents to be able to fix the dentin discoloration, the agent must diffuse through the enamel and reach the dentin. If teeth are intact, they are relatively insensitive to normal sensations, unless severe heat or cold are encountered. If however, the enamel is not intact and some dentin is exposed, it can be quite sensitive to air, touch, and even slight temperature changes.
The pain a lot of patients feel after bleaching is often described as a tingling or shooting pain without being provoked by thermal changes or air currents. This pain occurs even in teeth without dentin exposure. If a patient had sensitive teeth prior to bleaching, there is an increased chance of pain after bleaching.
It's very important for bleaching professionals to prevent H202 preparations from contacting the gum tissue (gingival tissue), as it can result in a painful peroxide burn. Bleaching sensitivity may result if the peroxide penetrates the tooth structure and activates pain producing receptors in the tissues underneath.
Scottsdale Center for Dental Medicine represents the premier Arizona dentistry center in Phoenix and Scottsdale, AZ. The practice offers top notch Scottsdale Cosmetic Dentists and cosmetic dentists Scottsdale who provide the following services:
Painless sedation dentistry without anxiety.
Permanent crowns in a single visit.
Treatment of gum disease using the latest technology and equipment.
Cosmetic Dentistry procedures including implants, veneers, bonding, crowns.
Call 480-948-4445 for your appointment TODAY!
Article Source:http://EzineArticles.com/?expert
0 comments:
Post a Comment