Band Black Enamel
Band Black Enamel
How To Get Your Teeth Whitenen
In the pursuit of looking good, man has always tried to beautify his face. Since the alignment and appearance of teeth influence the personality, they have received considerable attention. Most modern citizens would prefer to have dazzling white teeth seen on the magazine covers, television and movie screen.
A variety of tooth whitening options are available today. They include over the counter whitening systems, whitening tooth paste, and the latest high tech option- laser tooth whitening. For maximum effects , as of today, peroxide is usually the agent resorted to.
Currently available tooth whitening options are:
1. Office bleaching procedures.
2. At- home bleaching kits.
3. Bonding- A composite resin that is molded onto the tooth to change its color and to reshape it. The resin material can stain and chip with the passage of time.
4. Porcelain veneers- Shell like porcelain facings are bonded onto stained teeth. They are used to whiten, reshape, or lengthen teeth and require at least two appointments.
5. Whitening tooth pastes- these effectively keep the teeth cleaner and therefore looking whiter. Some of them may be more abrasive than others. The stronger tooth pastes rely more on abrasion to remove external stains than changing the color of teeth.
As the tooth bleaching continues to grow in popularity, research continues into all types of bleaching systems.
Before we go into the details of tooth whitening, lets take a brief look at the causes of tooth discoloration,
They can be broadly classified into
I. Extrinsic stains.
II Intrinsic stains.
I. Extrinsic stains:
-The pellicle on the tooth surface get easily stained and may display many colors ranging from white to red to green.
-Cigarette smoking produces yellowish brown to black discoloration, usually in the cervical portion of
the teeth, primarily on the lingual surfaces.
-Tobacco chewing stains frequently penetrate the enamel, producing a deeper stain.
Coffee and tea cause severe, tenacious discoloration's, usually brown to black.
Extrinsic stains are usually removed during a standard prophylaxis.
II. Intrinsic stains:
1.systemic origin A>during odontogenic period
may be caused
2.local origin B>post eruptively
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Types.
1. Tetracycline staining.
a) First degree tetracycline staining. Light yellow, brown or gray uniformly distributed throughout the crown, with no evident banding.
b) Second degree staining. Darker or gray uniform staining, with no banding.
c) Third degree staining. Dark gray or blue staining with marked banding.
d) Fourth degree staining. These stains are too dark. You may have to go for veneers to treat such cases.
2. Fluorosis staining.
It is caused due to excessive intake of fluoride during the development of enamel formation and
calcification.
Seen in population where drinking water contains more than 1ppm fluoride concentration. Fluorosis may
be:
a) Simple fluorosis staining. Appears as brown pigmentation on a smooth enamel surface.
b) Opaque fluorosis. Appears as flat gray or white flecks on enamel surface.
c) Fluoride staining with pitting. Dark pigmentation with surface defects.
These cases respond to vital tooth bleaching. If stains are set deep into the tooth and are very
opaque, then bleaching should be followed by veneers.
3.Discoloration from pulp necrosis.
This responds well to non vital bleaching techniques.
4.Iatrogenic discoloration.
From medications(formo cresol), silver amalgam etc.,
5.Discoloration due to heredity and dental history.
People are genetically programmed to have lighter or darker teeth, and are predisposed to respond more
quickly and severely to staining agents.
Dental caries is a primary cause of unattractive pigmentation(opaque white halo or gray discoloration.)
6.Discoloration due to aging
-yellowish brown.
7. Discoloration from systemic conditions
Dentinogenesis imperfecta, jaundice. Bleaching Techniques.
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