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Cosmetic Contouring
 |  | | The first electric toothbrush was marketed in 1880, though the Swiss developed the first effective electric toothbrush just after World War II. It was introduced in the United States around 1960. A year later, the first cordless model was developed and proved to be popular with consumers and dentists. |
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| Teeth can become crooked, chipped, cracked, and even overlap as a result of many factors, including traumatic injury, bruxism (grinding) or even heredity.
Cosmetic contouring and reshaping procedures can remedy, and in many cases, greatly improve these conditions.
For example, an uneven or crooked tooth can be gently reshaped by removing a small amount of enamel, to correct the alignment.
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